PostgreSQL is the world's most advanced, powerful, and efficient open source relational database management system, and some of the world’s most demanding applications rely on PostgreSQL as their primary database management system. PostgreSQL is known for its accuracy, security, and scalability. A PostgreSQL Developer creates ways to store corporate data in a reliable, secure, and efficient way. They can create scalable databases using these technologies - this means that a PostgreSQL Developer can help you keep up with the ever increasing demand for larger amounts of data. They can also develop applications to read from and write to these databases and optimize existing databases for better performance.

Compared to other database management systems, PostgreSQL boasts superior performance, reliability and security. This Database Management System is also renowned for its extensibility, meaning that it allows developers to customize their databases according to the exact needs of their application and load requirements - whether it's a simple web application or huge enterprise scale solutions.

Here's some projects our expert PostgreSQL Developer made real:

  • Developing unique solutions with Odoo Manufacturing & Maintenance Module
  • Connecting web applications with secure REST API integrations
  • Creating data extraction scripts with Nodejs
  • Developing complex SaaS solutions with Laravel/React/AWS
  • Implementing advanced authentication protocols (JWT)
  • Truckloads of migration projects from different AWS stacks & SSO integrations
  • Developing automation & no-code project pipelines leveraging nodejs and python
  • Building serverless Java applications with Springboot and other frameworks
  • Publishing/Hosting express.js & handlebars.js web apps

PostgreSQL technology has been a go-to solution for many clients when creating bespoke applications that meet the needs of their business. Our PostgreSQL Developers have built everything from small custom applications to complex enterprise solutions on Freelancer.com. You too can hire an expert developer here today to make your project happen!

De 97,618 opiniones, los clientes califican nuestro PostgreSQL Developers 4.9 de un total de 5 estrellas.
Contratar a PostgreSQL Developers

PostgreSQL is the world's most advanced, powerful, and efficient open source relational database management system, and some of the world’s most demanding applications rely on PostgreSQL as their primary database management system. PostgreSQL is known for its accuracy, security, and scalability. A PostgreSQL Developer creates ways to store corporate data in a reliable, secure, and efficient way. They can create scalable databases using these technologies - this means that a PostgreSQL Developer can help you keep up with the ever increasing demand for larger amounts of data. They can also develop applications to read from and write to these databases and optimize existing databases for better performance.

Compared to other database management systems, PostgreSQL boasts superior performance, reliability and security. This Database Management System is also renowned for its extensibility, meaning that it allows developers to customize their databases according to the exact needs of their application and load requirements - whether it's a simple web application or huge enterprise scale solutions.

Here's some projects our expert PostgreSQL Developer made real:

  • Developing unique solutions with Odoo Manufacturing & Maintenance Module
  • Connecting web applications with secure REST API integrations
  • Creating data extraction scripts with Nodejs
  • Developing complex SaaS solutions with Laravel/React/AWS
  • Implementing advanced authentication protocols (JWT)
  • Truckloads of migration projects from different AWS stacks & SSO integrations
  • Developing automation & no-code project pipelines leveraging nodejs and python
  • Building serverless Java applications with Springboot and other frameworks
  • Publishing/Hosting express.js & handlebars.js web apps

PostgreSQL technology has been a go-to solution for many clients when creating bespoke applications that meet the needs of their business. Our PostgreSQL Developers have built everything from small custom applications to complex enterprise solutions on Freelancer.com. You too can hire an expert developer here today to make your project happen!

De 97,618 opiniones, los clientes califican nuestro PostgreSQL Developers 4.9 de un total de 5 estrellas.
Contratar a PostgreSQL Developers

Filtro

Mis búsquedas recientes
Filtrar por:
Presupuesto
a
a
a
Tipo
Habilidades
Idiomas
    Estado del trabajo
    61 trabajos encontrados
    Odoo 15 Payroll Compliance
    5 días left
    Verificado

    Trabajo actualmente con Odoo 15 y tengo los módulos de Nómina y Contabilidad configurados; sin embargo, requiero una revisión experta que garantice el pleno cumplimiento de la normativa fiscal y laboral mexicana. La prioridad es validar y, de ser necesario, redefinir cada parámetro para que los cálculos de salarios, impuestos y prestaciones, así como la generación de reportes y declaraciones, coincidan con los criterios oficiales del SAT, IMSS e INFONAVIT. Áreas que necesitan tu revisión directa: • Cálculo de salarios e impuestos • Reportes financieros • Declaraciones fiscales Busco que verifiques la correcta parametrización del catálogo de cuentas, diarios, impuestos, reglas salari...

    $14 / hr Average bid
    $14 / hr Oferta promedio
    36 ofertas

    Quiero diseñar y luego dar mantenimiento continuo a una aplicación de gestión de proyectos desarrollada en Next JS y Supabase, trabajando dentro del entorno de programación asistida Cursor. Alcance funcional • Asignación de tareas: creación, edición, fechas límite, responsables y prioridades. • Seguimiento del progreso: vista Kanban y reportes de avance automáticos. • Comunicación en equipo: comentarios en hilo y notificaciones en tiempo real. Audiencia y permisos La plataforma atenderá a tres roles bien diferenciados—Administradores, Colaboradores y Clientes—por lo que espero control de acceso basado en roles (RLS de Supabase) y una interfaz que muestre a cada perfil solo la infor...

    $13 / hr Average bid
    $13 / hr Oferta promedio
    110 ofertas

    We are looking for a skilled freelancer to deploy a website on our preferred hosting platform. The front is ready and just needs below scope of work. - Configure testing environment, - Deploy the website on Vercel and AWS SCOPE OF WORK (SOW) 1. Secure Website Forms Configuration 2. Configure google map API 3. Add Third-Party API Preparation

    $105 Average bid
    $105 Oferta promedio
    96 ofertas

    We Are Hiring – Full Stack Developer We are looking for a talented Full Stack Developer to join our team and help build modern web applications and software systems. Responsibilities: - Develop and maintain scalable web applications - Build responsive frontend using React / / modern frameworks - Develop backend APIs using Node.js / Python / FastAPI - Manage databases such as MongoDB, MySQL, or Firebase - Implement authentication, security, and role-based access - Integrate third-party APIs and cloud services - Deploy and maintain applications on cloud platforms - Debug, test, and optimize application performance Requirements: - Strong knowledge of frontend and backend development - Experience with REST APIs and database management - Familiarity with Git / GitHub version control...

    $293 Average bid
    $293 Oferta promedio
    30 ofertas

    I am building a next-generation AI-powered nutrition platform for families that combines mobile applications, intelligent learning systems, IoT smart plate hardware, and machine learning nutrition analytics. Our goal is to help parents develop healthy eating habits for children through interactive learning, meal tracking, and intelligent recommendations. We are seeking a Senior AI / Full-Stack Systems Engineer who can own the most technically challenging aspects of the platform, from AI features and data architecture to IoT integrations and production-grade AI systems. This is a high-impact, hands-on role where you will directly shape the core architecture and intelligence of the product. The Product The platform includes: 1. Parent & Child Mobile Application Parents onboard and ...

    $291 - $872
    Sellado
    $291 - $872
    208 ofertas

    Backend Developer This person builds the core system and integrations. Job Title Backend Developer – Transport System APIs, GPS Integration, Ticketing Platform Job Description Project Overview We are developing a hybrid bus transport management platform that integrates GPS tracking with a custom passenger services system. The system will initially support 250–300 buses and provide real-time telemetry, digital ticketing, and operational monitoring. The architecture combines an existing white-label GPS tracking platform with a custom backend system to support passenger services and transport operations. Responsibilities • Design and develop backend APIs • Integrate white-label GPS tracking system • Implement real-time bus location ingestion • Develop dig...

    $648 Average bid
    $648 Oferta promedio
    119 ofertas

    I am looking for a developer with real experience working with MapStore. My platform already runs on Linux with PostgreSQL, PostGIS, GeoServer and MapStore. MapStore already includes MapFish Print as the printing engine. The goal of this task is not installing the whole system, but developing and configuring a custom print template in MapStore to generate PDF reports. Users of the platform can already: Log in to the system Filter records in a table Visualize the geometry of the selected record on the map Based on that selected record, the system should generate a structured PDF report. The report should include: Header / title section Attribute information from PostgreSQL/PostGIS A small table with indicators A map showing the selected geometry The PDF must be generated using MapFish ...

    $33 / hr Average bid
    Acuerdo de Confidencialidad
    $33 / hr Oferta promedio
    43 ofertas

    I have a fully built mobile app called "Nanna Sankalpa" — a wellness and business coaching platform. It is built with: Frontend: React Native with Expo SDK 54, TypeScript, Expo Router Backend: , Node.js, PostgreSQL Hosted on: Replit What I need: Full end-to-end testing of the app (50+ screens) Bug fixing if any issues found Production AAB build for Google Play Store Help with Play Store listing and submission Ensure app works properly on all Android devices App features: 50+ wellness tools (breathing, brain training, focus timer, eye care, etc.) Premium subscription system Adviser/affiliate dashboard Trilingual support (English, Kannada, Telugu) Gamification (XP, streaks, badges, leaderboard) Admin panel Requirements: Experience with React Native and Expo Experience wit...

    $11 / hr Average bid
    $11 / hr Oferta promedio
    19 ofertas

    This website will be a single platform (name : Servicekart) where people can request multiple professional services online, upload documents, track status, and communicate with experts. The platform will provide 6 major service categories: Immigration & Visa Assistance RTO & Driving Licence Services Insurance Services Accounting, GST & Tax Services Common Service Center (CSC) Services Aadhaar Seva Kendra Assistance Cloud Logistics / Digital Freight Broker The website must allow consultation booking, document upload, quote generation, payment, and service tracking. MAIN OBJECTIVE OF WEBSITE Create a trust-based digital service platform where users can: • Check services • Book consultation • Upload documents • Get exact pricing after review • ...

    $695 Average bid
    $695 Oferta promedio
    25 ofertas

    Full-Time Django Developer Needed (India Only) We are looking for a full-time experienced Django Developer from India to join our trading prop firm project for long-term collaboration. Individual developers only — No agencies, companies, or teams. This position is strictly for developers based in India. Full-time availability (40+ hours per week) is required. Minimum 8+ years of professional experience in Django development is mandatory. =>Required Skills 3+ years of strong experience with Django and Django REST Framework Experience building scalable, high-performance backend systems Strong API architecture and development skills Payment gateway integration experience Database optimization (PostgreSQL preferred) Strong understanding of authentication, authorization & ...

    $618 Average bid
    $618 Oferta promedio
    22 ofertas

    I have a geospatial platform running on a Linux server with PostgreSQL, PostGIS, GeoServer and MapStore. MapStore already includes MapFish Print as the printing engine. I am not looking to install MapFish from scratch, but rather to configure and develop a custom print template that can generate structured PDF reports. Currently, users can log in to the platform, filter records in a table, and visualize the corresponding geometry on the map. Based on the selected record, the system should be able to generate a PDF report. The report should include: A cover section or header Selected attribute fields from PostgreSQL/PostGIS A small table with indicators A map showing the geometry of the selected feature The report should be generated using MapFish parameters, not just a simple scre...

    $35 / hr Average bid
    Acuerdo de Confidencialidad
    $35 / hr Oferta promedio
    29 ofertas

    Software Developer Project: Incident Investigation & Root Cause Analysis Software Client: Process Safety Consulting Professional 1. Project Overview We are looking for an experienced Full-Stack Software Developer to build a web-based incident investigation software for industrial safety and process safety professionals. The software will help investigators: • Develop sequence of events diagrams • Identify immediate causes and contributing factors • Map failed safeguards / barriers • Perform root cause analysis • Generate automated investigation reports The system will be similar in concept to tools used in safety investigations such as SnapCharT-style event mapping. ⸻ 2. Key Features Required Incident Management • Incident registration &bull...

    $314 Average bid
    $314 Oferta promedio
    25 ofertas

    I want to launch a lightweight collaboration space where distributed teams can talk in real time. The first milestone is a clean, reliable messaging and chat experience—think channels, private threads, @mentions, unread indicators, and searchable history—delivered as a responsive web app (React, Vue or similar is fine) backed by a secure, scalable API. Authentication must support email/password and OAuth (Google at minimum), messages need to store safely (PostgreSQL or MongoDB), and WebSocket-style live updates should keep the UI snappy without constant polling. Please containerise the stack with Docker so I can deploy easily to AWS or DigitalOcean. Down the road I may add file-sharing and task-management modules, so design the architecture with clear, documented endpoints an...

    $353 Average bid
    $353 Oferta promedio
    53 ofertas

    My small creative production studio needs a local, fully private AI stack that will sit on a 16 GB Mac Mini and behave like an operations assistant. I have already chosen the ai-stack-homelab project as the base; it ships with Dockerised n8n, Ollama (running Llama 3.2-class models), Open WebUI, PostgreSQL + pgvector, LiteLLM proxy and MCP integration. Your job is to install, configure and fine-tune that stack so it automates day-to-day admin without ever touching the public cloud. Immediate focus • Highest-priority workflow: detect inbound enquiries arriving via email, run them through the local LLM, then log each enquiry as a structured page inside my Notion space. No automatic replies for now—just clean, reliable capture so I can review and follow up manually. • Whil...

    $290 Average bid
    $290 Oferta promedio
    75 ofertas

    Full-Stack Developer Needed for AI-Assisted Manufacturing Operations System (ERP Integration, Production Tracking, Costing) see jd in attachment Project Overview We are a jewelry manufacturing company building a custom internal operations platform to streamline production, costing, sales, and reporting. Currently we use: an ERP system (Achiever) for sales orders and production orders Excel spreadsheets for BOM costing and production tracking PDF production orders Sage for accounting Our goal is to build a centralized operational system that consolidates data from these sources and provides dashboards, automation, and AI-assisted workflows. This is not a marketing website. It is closer to building a lightweight manufacturing ERP / operations platform. We plan to develop the system in mul...

    $7338 Average bid
    $7338 Oferta promedio
    143 ofertas

    **Project Title** Build SaaS dashboard for legal-tech platform (Python FastAPI + React) **Project Overview** I am building a legal-tech platform called **Virtual Clerk** that automatically tracks court cases and alerts lawyers when hearing dates change. The backend scraping engine already exists. It uses: * Python * BeautifulSoup / Requests * Background workers * Modular court scrapers The system currently scrapes multiple courts and generates alerts and daily digests. What I need now is to turn this into a **usable web SaaS product for lawyers**. --- **Tech Stack** Backend: * Python * FastAPI Database: * PostgreSQL Workers / Queue: * Redis / Celery (or similar) Frontend: * React or Deployment: * Docker * VPS (DigitalOcean / AWS) --- **Required Features** 1. **User Aut...

    $1297 Average bid
    $1297 Oferta promedio
    96 ofertas
    Migrate Replit Site to Railway
    5 días left
    Verificado

    I’ve built a dynamic web app on Replit that relies on a PostgreSQL database and uses Clerk for user sign-up and login. I now need the whole project running smoothly on Railway. Here’s what I’m looking for: • Move the existing codebase from Replit to a new Railway project • Provision or connect the PostgreSQL instance on Railway and migrate the current data • Update all environment variables (including Clerk keys) so authentication continues to work without any interruption • Adjust build or start scripts if needed so Railway’s deploy pipeline runs cleanly • Verify that sign-up, login, and every database-backed route behave exactly the same in production If you’ve already deployed apps with Clerk and PostgreSQL on Railway, th...

    $26 Average bid
    $26 Oferta promedio
    49 ofertas

    I already have a working web front-end, but the data layer behind it is still a proof-of-concept. I now need a production-ready Supabase backend that can confidently power inventory, CRM, marketing, and document-filing features at scale—and, where the current React code shows strain, you will refactor it so the whole stack remains clean, testable, and easy to extend. What the backend must cover • Inventory Management: robust stock tracking and supplier management tables, triggers, and Row-Level Security so every quantity change is auditable. • CRM: lead tracking, customer segmentation, and performance analytics views that can grow into millions of records without manual tuning. • Document Filing: storage buckets with signed-URL access, versioning, and metadata i...

    $1609 Average bid
    $1609 Oferta promedio
    246 ofertas

    Project Title: AI-Powered Lead Matching System (RAG + OpenAI + Fullstack) Project Description: I am looking for an experienced Fullstack + AI Engineer to build a production-ready AI-powered lead matching system. Project Overview: The system should intelligently match business leads using semantic search and LLM-based reasoning instead of traditional keyword matching. Core Requirements: Build a RAG (Retrieval-Augmented Generation) pipeline Generate embeddings using OpenAI API Store vectors using pgvector or Pinecone Implement semantic similarity search Develop REST APIs using FastAPI or Node.js Create a modern frontend dashboard (React / ) Deploy on AWS (ECS, Lambda, or EC2) Features: Business profile ingestion Data embedding pipeline Vector search functionality AI-generate...

    $2187 Average bid
    $2187 Oferta promedio
    176 ofertas

    1. Executive Summary & Vision We are building a dynamic, crowdsourced safety layer for urban mobility. While current navigation systems optimize purely for speed and distance, they ignore critical civic infrastructure failures (e.g., broken streetlights, abandoned roads, open sewers) that directly impact personal safety. Our solution empowers citizens to report these hazards, translates that data into a real-time safety index, and routes users through the safest possible paths. The ultimate commercial goal is B2B API integration with major ride-sharing and delivery platforms to offer a "Request Safe Route" feature. 2. What is Being Implemented (The MVP Scope) To validate the concept and the routing algorithm, we are deploying a closed-beta prototype for 300 users, strictly ge...

    $671 Average bid
    $671 Oferta promedio
    60 ofertas

    I already have a production-ready library management platform running on a front end with a NestJS API, containerised with Docker and deployed on AWS (files are stored on S3). The missing piece is a compact student-tracking module that: • scans a student’s unique QR code on entry and exit • records the exact timestamps, the library section they visit, and calculates total duration of stay • appears seamlessly inside the current interface (no separate UI) The work involves adding the relevant pages/components in , extending the NestJS services and database schema, wiring in any AWS resources you need, and shipping the whole thing with full Jest unit/integration tests. Code quality must match the existing clean, typed, linted codebase; every new container or scr...

    $122 Average bid
    $122 Oferta promedio
    21 ofertas
    LEAD SOFTWARE DEVELOPER - FinTech
    5 días left
    Verificado

    LEAD SOFTWARE DEVELOPER — FinTech Remote | Long-Term, Full-Time | Start Immediately --- ABOUT US We are a Boston-based fintech company building mobile money infrastructure for underserved markets. Our flagship product digitizes a traditional practice used by an estimated 1 billion people globally — and delivers it via iOS and Android apps, with USSD support for feature phones on 2G networks. We are in active commercial partnership with a large mobile carrier in Africa and we have a hard delivery milestone in May 2026. This is not a prototype. This is a live production build with a real enterprise partner. --- THE ROLE We are hiring a long-term, full-time Lead Software Developer to own our Phase 1 build from foundation to milestone delivery. This is a high-trust, high-ac...

    $13 / hr Average bid
    $13 / hr Oferta promedio
    132 ofertas

    Database Migration Specialist: MySQL to Supabase/PostgreSQL We're looking for a data migration expert who doesn't just move data — you ensure it arrives clean, complete, and production-ready. You have deep experience migrating large-scale databases and understand the nuances of moving from MySQL to PostgreSQL in Supabase environments. What You'll Do: - Plan and execute end-to-end migration of large MySQL databases to PostgreSQL on Supabase - Audit source data for inconsistencies, duplicates, and schema incompatibilities before migration - Design and implement migration scripts, transformation logic, and validation checks - Handle data type mapping, constraint differences, and stored procedure conversions between MySQL and PostgreSQL - Perform dry runs, staged migrati...

    $16 / hr Average bid
    $16 / hr Oferta promedio
    84 ofertas

    My Supabase-backed web application needs a solid, automated maintenance routine. The core of the project is to keep the database healthy and fast, so I want complete coverage for three areas: regular backup and reliable recovery paths, performance tuning that actually shaves time off the heavier queries, and a clean workflow for applying Supabase/PostgreSQL updates and security patches without downtime. I already have the project running on Supabase; what’s missing is the living set of scripts, schedules, and monitoring rules that turn ad-hoc admin work into a predictable process. You’ll work directly in Supabase (and the underlying Postgres layer) and can bring in any complementary tooling—pg_dump, cron, pgBouncer, Grafana, or similar—as long as it integrates smoo...

    $17 / hr Average bid
    $17 / hr Oferta promedio
    28 ofertas

    I’m ready to move several enterprise-grade SaaS products (React front-ends, Node.js APIs, Postgres databases) into our own Azure tenancy and need the entire release flow automated. Every service will live in Docker containers and run on AKS; blue/green or canary style rollouts are essential so that a new push never impacts the live user base. GitHub Actions will be the single source of truth for the CI/CD pipelines. I need jobs that: • build and test the React and Node repos • package images, push them to Azure Container Registry • run schema-versioned database migrations before or during rollout • deploy to AKS with zero-downtime strategies and automatic rollback on failure Within the cluster, autoscaling must be tuned for CPU, memory, and HTTP load, fro...

    $17 / hr Average bid
    $17 / hr Oferta promedio
    46 ofertas

    We need a senior developer (freelancer or agency) to fix critical issues and deliver production-ready updates for a mobile-first app. Tech stack - Backend: ASP.NET Core Web API (C#) - Database: PostgreSQL - Realtime/chat: Firebase Firestore - Mobile: Flutter - Web/admin: React (nice-to-have) Must deliver (priority scope) - Password reset emails not delivered: diagnose provider/config/deliverability and make it reliable. - CV/PDF download shows “success” but file does not download/open: fix file storage + delivery flow (streaming or signed URL) and correct response headers. - Payment flow redirects/loops and the app cannot return after payment: fix return URL/deep link/callback handling and make the flow consistent. - Performance: Improve response times using pagination, index...

    $33 / hr Average bid
    $33 / hr Oferta promedio
    153 ofertas

    I’m planning a modern real-estate website built with the following stack: • for the front-end (SSR/ISR for optimal SEO) • Node.js for a standalone REST API • PostgreSQL as the primary data store Core features I must see live: • Property listings – create, edit, archive, display with image galleries • Search & filters – location, price, bedrooms, and any other common criteria, returning results instantly • High speed & fully responsive design – Lighthouse 90 + on mobile and desktop, fluid across breakpoints The front-end should consume the API only; no direct DB calls from the client. Please structure the codebase so I can deploy the app to Vercel (or similar) and the API to a separate Node environment. Includ...

    $297 Average bid
    $297 Oferta promedio
    99 ofertas

    Project Title Finish and Launch + Firebase Evangelism App (TWSS) Overview I need an experienced full-stack developer to finish, debug, and launch a web-based evangelism app called The World Shall Be Saved (TWSS). The project is mostly built but currently unreliable due to an incomplete backend change (Firestore originally, partial PostgreSQL work). There is an older version that worked and a newer branch with partial fixes. Your job is to get it stable, working end-to-end, production-ready, and prepare it for release on Google Play and Apple App Store (via the simplest reliable approach based on the repo). Current Stack • Frontend: • Auth: Firebase Authentication • Database: Firestore (original), partial migration toward PostgreSQL (incomplete) • Google APIs: Googl...

    $383 Average bid
    $383 Oferta promedio
    241 ofertas

    I need a full-featured ecommerce platform, built in PHP with a PostgreSQL backend, that feels as fluid as Amazon yet remains focused on the domestic Indian market. All products and their sub-categories must live in the database and be created or modified through a dedicated admin dashboard—no code edits or CSV uploads, just real-time forms that write directly to PostgreSQL. Core user-side features come first: powerful product search with layered filters (category, price, trending, etc.), a secure payment gateway integrated end-to-end, and authentic customer reviews with star ratings. Speed and accuracy of those search filters are critical, so efficient SQL queries and smart indexing will be expected. On the back end I want an analytics-style dashboard that lets me watch sales volum...

    $116 Average bid
    $116 Oferta promedio
    23 ofertas

    I’m looking for a long-term collaborator who can step in on a part-time basis to keep raising the quality bar of our existing software. The core platform is up and running; what I need now is an experienced developer who enjoys refactoring, tightening performance, improving stability, and generally making good code great. Your weekly work will revolve around: • Reviewing and refactoring legacy modules for cleaner, more maintainable code • Writing unit and integration tests to boost coverage and catch regressions early • Profiling and tuning performance hotspots so the application stays fast under load • Updating documentation so future contributors can ramp up quickly We work with a modern stack (Python, Django, PostgreSQL, Docker, GitHub Actions), so com...

    $20 / hr Average bid
    $20 / hr Oferta promedio
    87 ofertas

    We are building a modular AI-powered WhatsApp support system integrated with our existing WooCommerce, CRM infrastructure and subscription Support. All using Whatsapp as main Seller bot. The system must include: • WhatsApp Cloud API integration • Custom middleware (Node.js or Python preferred) • Subscription validation by WhatsApp phone number • Role-based access control (Farmer, Field Technician, Repair Technician, Full Technician) • AI integration (OpenAI API) • Structured logging and audit trail • Escalation to human support • Clean architecture with separation between commercial and technical domains • Integration with Kommo or other simular. • Integration to Woocomerce • Woocommerce al functions tests: freights, Payment, Invoi...

    $3873 Average bid
    $3873 Oferta promedio
    166 ofertas

    We are looking for an experienced Full Stack Developer with strong expertise in Django (Python) and React.js to help build and maintain a scalable web application. This is a long-term opportunity for the right candidate. Responsibilities: Develop and maintain backend services using Django and Django REST Framework Build responsive, high-performance front-end interfaces using React.js Design and integrate RESTful APIs Work with relational databases (PostgreSQL preferred) Implement authentication, authorization, and security best practices Write clean, maintainable, and well-documented code Collaborate with the team on architecture and feature planning Troubleshoot and optimize application performance Required Skills: 3+ years experience with Django 3+ years experience with React.js Strong u...

    $34 / hr Average bid
    $34 / hr Oferta promedio
    112 ofertas

    Project Overview I am building a B2B AI automation platform for small and medium businesses. The platform monitors email and calendar, surfaces intelligent summaries and recommended actions, automates repetitive GUI workflows across web applications, and gives teams an AI assistant accessible via a Chrome extension sidebar. This is a production build — not a prototype. The platform needs to be ready for real paying customers at the end of the engagement. What You Will Build The full product, end to end. This includes: • A Python backend API deployed on a cloud platform, handling authentication, AI routing, cost management, and all business logic • A Chrome Manifest V3 browser extension with a sidebar interface — the primary user surface • Continuous ...

    $2132 Average bid
    $2132 Oferta promedio
    48 ofertas

    I’m building a new product on AWS using PHP 8, React for web, and React Native for mobile. The front-end foundations are in place; where I need your expertise is the backend. Here’s what I need you to dive into: • API creation and integration – design RESTful (and, where it makes sense, GraphQL) endpoints, document them clearly, and make sure front-end clients can consume them with minimal friction. • User authentication and management – implement secure signup/login, token refresh, and role-based access control, ideally with best-practice libraries such as Laravel Sanctum or AWS Cognito if we decide to offload. • Data processing and storage – wire up efficient flows that read and write to MySQL, PostgreSQL, and the pg-vector extension...

    $3 / hr Average bid
    $3 / hr Oferta promedio
    24 ofertas

    IWe are looking for a freelancer to install Apache Superset using Docker and connect it to our existing PostgreSQL database. Tasks: - Install the latest stable version of Apache Superset using Docker - Configure Superset to connect to an existing PostgreSQL/PostGIS database - Verify that dashboards and queries work correctly - Provide clear documentation of the installation and configuration process Environment: - Linux server - Docker - PostgreSQL / PostGIS Requirements: - Experience installing Apache Superset - Strong Docker knowledge - Experience connecting BI tools to PostgreSQL - Ability to document the setup so our team can maintain it Estimated effort: 1–2 days of work. Por qué es mejor así

    $36 / hr Average bid
    $36 / hr Oferta promedio
    50 ofertas
    Travel OS MVP Development
    3 días left
    Verificado

    Agwa Travel OS — MVP Development (Architecture‑First Build) Agwa Travel OS is a unified travel platform built on a modern, cloud‑ready stack: Node.js + NestJS services, React/ front end, PostgreSQL, Redis, and ElasticSearch running on AWS. The technical architecture, module boundaries, API contracts, and phased milestone plan are already fully documented. What I need now is a disciplined, architecture‑first development team that can execute cleanly and stay with the product long term. Scope of the MVP The first release focuses on delivering the complete core travel flow across multiple verticals: 1. Search → Book → Pay Users must be able to: Search flights, hotels, cars, and experiences View real‑time availability and pricing Complete booking and checkout using Stripe ...

    $592 Average bid
    $592 Oferta promedio
    185 ofertas

    We are building an AI-powered technical interview and remote assessment platform designed to automate and enhance hiring processes for global companies. The system will integrate real-time video communication, screen sharing, browser-based coding assessment, and AI-driven interview intelligence including automated question generation, live evaluation, and structured answer suggestions. We are seeking a highly experienced Full Stack Engineer to lead architecture and development of this scalable SaaS product. Russian Developer should be high priority for skilled people. Don't apply Indian people don't waste your time

    $1185 Average bid
    $1185 Oferta promedio
    42 ofertas

    My production-ready application is a React front-end paired with a Laravel API, and I need it running smoothly inside a Virtual Data Center hosted by BluVault. The source is already in Git; what’s missing is the infrastructure lift: provisioning the VDC, configuring web and app servers, securing traffic with SSL, and wiring up the deployment pipeline so new commits ship automatically. I am already committed to BluVault as the hosting provider, so please be comfortable working inside their portal, networking model, and console tools. Experience with Nginx or Apache, PHP-FPM, Node and Yarn, Composer, MySQL/PostgreSQL, and let’s-encrypt or comparable SSL management will be essential. For clarity, here’s what I expect to receive: • A fully configured BluVault Virtual ...

    $18 Average bid
    $18 Oferta promedio
    17 ofertas
    football portal
    3 días left

    Project Title: Full-Stack Developer needed for Sports Management Platform Backend (PostgreSQL/Prisma) Project Description: I have a fully designed and responsive frontend for a sports performance management platform (CPM HUB) built with (App Router), React, Tailwind CSS, and shadcn/ui. The interface is ready, but the platform currently lacks a backend. I need an experienced Full-Stack Developer to build the database, implement authentication, and connect the frontend to make the application fully functional. Key Responsibilities: Database Architecture: Design and deploy a PostgreSQL database and manage it using Prisma ORM. Authentication & RBAC: Implement a highly secure Authentication and Role-Based Access Control system for 4 distinct user levels: Admin, Coach, Player, and Par...

    $603 Average bid
    $603 Oferta promedio
    60 ofertas

    I maintain several large, structured datasets spread across MySQL, PostgreSQL and SQL Server instances. Only portions of the existing schemas are documented, so the very first step will be to inspect each system, reverse-engineer any missing metadata and confirm table relationships. Once the landscape is clear I need all records extracted, cleaned, normalised and deduplicated, then merged into a single, well-organised MongoDB database. Your work should include a carefully planned document model that supports growth, fast look-ups and straightforward analytics. Proper indexing, sharding strategy (where appropriate) and query optimisation are critical because future workloads will be heavy and latency-sensitive. Please deliver: • An optimised MongoDB schema and architecture diag...

    $280 Average bid
    $280 Oferta promedio
    15 ofertas

    Infinity is the name I have reserved for an AI-driven web platform that functions first and foremost as an educational resource. I want a clean, scalable solution that lets anyone—from K-12 pupils to college, postgraduate or lifelong learners—store, organise, and retrieve knowledge in any field with the help of machine-learning features. Here is the vision in plain terms. Users create an account, upload or link their study material (PDFs, videos, lecture notes, articles or datasets), and the system instantly classifies, tags and indexes that content. A conversational AI layer (think ChatGPT-style) then allows them to ask questions, generate quick summaries, build flashcards, or create personalised study paths from their own resources plus open-access reference material pulled ...

    $17 / hr Average bid
    $17 / hr Oferta promedio
    110 ofertas
    Car pull start
    3 días left

    I’m ready to move from concept to a working Android-only ride-hailing application built with React Native. Both drivers and riders will use the product, so the codebase, navigation flow, and backend need to cleanly separate (and securely share) the two experiences. Core features I need implemented (or, where partially done, completed and iron-clad): • Google Maps + OpenRouteService for real-time routing • From/To address search through Google Places Autocomplete • Accurate polyline rendering with distance and duration read-outs • Dynamic driver list that shows car model, rating, next available slot, and price • Fare calculation that changes automatically for Luxury, AC, and Non-AC vehicles • Ride search updates and alert notifications so ri...

    $4 / hr Average bid
    $4 / hr Oferta promedio
    16 ofertas

    We are looking for a skilled React and Developer to join our remote engineering team. You will be responsible for building scalable, high-performance features across our ticketing and event management platform using modern web technologies. Responsibilities • Develop and maintain web applications using and React • Build scalable backend integrations with PostgreSQL • Integrate and deploy applications using AWS infrastructure • Write clean, maintainable, and well-documented code • Collaborate with product managers, designers, and backend engineers • Optimise application performance and ensure responsiveness • Participate in code reviews and technical planning Required Skills • Strong experience with NestJs and React • Solid understan...

    $7 / hr Average bid
    $7 / hr Oferta promedio
    60 ofertas

    Location: Remote Duration: May – November 2026 Rate: Competitive Monthly Rate (USD) Project Overview: We are seeking a high-output Senior Full-Stack Engineer to lead the development of an e-mobility portal. This platform is a government-grade digital observatory tracking EV adoption, charging infrastructure and carbon reduction (dMRV) metrics. The Tech Stack: Frontend: (React), Tailwind CSS Backend: Node.js, Strapi (Headless CMS) Database: PostgreSQL Search/Security: Meilisearch, OpenSSL (TLS 1.2+), Non-Google MFA Infrastructure: Docker, AWS/DigitalOcean, GitHub Core Responsibilities: Architecture (WP2): Establish secure containerized environments (Dev/Test/Prod) and a relational database for complex dMRV metrics. Security (WP3): Implement strict data protection protocols, inclu...

    $7762 Average bid
    $7762 Oferta promedio
    50 ofertas

    Project Overview We are looking to build a robust, modular, and scalable URL shortener service for our application. This is not a standalone project it should be integrated into our existing dashboard. The core purpose of this service is to provide powerful link tracking, detailed analytics, and compliant data handling for all short URLs generated within our platform. You will be responsible for building the backend logic, the database schema, and test out on the already built frontend dashboard for analytics. Project Scope & Key Features You will be tasked with implementing the following features: 1. Core Functionality & Tracking: Per-Recipient Click Tracking: The system must store `recipient_id`, `campaign_id`, `click_time`, and the associated `url_hash` for each click to ...

    $99 Average bid
    $99 Oferta promedio
    36 ofertas

    I am looking for a strong full-stack developer to help complete an existing SaaS web application. The project is already in building. Backend, database, authentication, and deployment setup are already almost completed. The remaining work includes UI updates and implementing core business features. Tech stack: - Frontend: React (TypeScript) - Backend: Fastify (Node.js, TypeScript) - Database: PostgreSQL (Prisma) - AWS: SES, S3 - Google APIs (Places) - Hosted on DigitalOcean Current Status - Project structure completed - Core authentication implemented - Database schema stable - Deployment environments created - Basic admin and profile flows working Remaining Work - UI updates - Referral feature refinement - Admin page improvements - Bug fixing and cleanup - Production stabilization Th...

    $9 / hr Average bid
    $9 / hr Oferta promedio
    122 ofertas

    Quero colocar em produção um MVP de plataforma de atendimento via WhatsApp que use Z-API para conexão e OpenAI para inteligência conversacional. A ideia é simples: o bot deve responder automaticamente às primeiras mensagens do cliente e, quando necessário, encaminhar a conversa para um atendente humano sem perder o histórico. O que preciso que você implemente: • Integração completa com Z-API para gerir envios, recebimentos e webhooks. • Módulo em OpenAI (chat-completion) capaz de entender FAQ e gerar respostas coerentes em português. • Lógica de triagem que, ao detectar pedidos específicos ou palavras-chave configuráveis, transfira o chat para um painel de agente...

    $497 Average bid
    $497 Oferta promedio
    90 ofertas

    PROJECT BRIEF Multi-Client Odoo ERP Platform with Offline-First Architecture, Bank Integration, AI Analytics & Zero-Trust Security 1. Project Overview We are building a **scalable, multi-tenant Odoo Enterprise-based ERP and accounting infrastructure** to deliver outsourced accounting, tax, payroll, inventory, and operational services to multiple clients across industries, including: * Pharmacy * Restaurant * Retail / Clothing * Manufacturing * NGO / Fund Accounting * Merchant / POS businesses The platform must be: * Cloud-first ( preferred) * One database per client (strict isolation) * Offline-first for operations (Africa-ready: unreliable internet/electricity) * Secure by design (zero-trust architecture) * AI-enabled for predictive analytics * Fully documented and production-gr...

    $16157 Average bid
    $16157 Oferta promedio
    113 ofertas

    deploying the official open-source backend components and integrating them with various third-party services for full functionality. • mainly our requirements our own infrastructure Self-Hosted with Custom Instance public rebranded messaging app. • The official source code is open-source and available on GitHub. • You only need to deploy and configure the Signal server only. The process requires significant technical expertise in server management, Java, database administration, and cloud services. Project Deliverables Server Deployment: Hybrid database approach Distributed Cluster We must separate: Edge Layer (Ingress + WebSocket) Application Layer (Spring Boot Core) Stateful Data Layer (Cassandra, PostgreSQL, Redis) Media + Search + Observability WebRTC Stack &bull...

    $107 Average bid
    $107 Oferta promedio
    95 ofertas

    Full-Time Django Developer Needed (India Only) We are looking for a full-time experienced Django Developer from India to join our trading prop firm project for long-term collaboration. Individual developers only — No agencies, companies, or teams. This position is strictly for developers based in India. Full-time availability (40+ hours per week) is required. Minimum 8+ years of professional experience in Django development is mandatory. =>Required Skills 8+ years of strong experience with Django and Django REST Framework Experience building scalable, high-performance backend systems Strong API architecture and development skills Payment gateway integration experience Database optimization (PostgreSQL preferred) Strong understanding of authentication, authorization & ...

    $751 Average bid
    $751 Oferta promedio
    26 ofertas

    Artículos recomendados solo para ti