API Development is an effective way for software to communicate and interact with each other over the internet. It’s a great way for developers to expand the capabilities of a program or systems by creating interfaces and allow data to be shared between different types of technology. With an API, existing systems can connect and more advanced solutions can be made. Hiring an API Developer can enable businesses to streamline processes and enable a much faster integration of existing software solutions.

API Developers are skilled engineers specialized in creating new APIs and maintaining existing ones. They are responsible for developing and troubleshooting current APIs, designing APIs from standards-based web services, maintaining inventory and implementing authorization mechanisms. Additionally, they incorporate different technologies together to create advanced software solutions that integrate cloud systems like Amazon Web Services or MongoDB and APIs with point-and-click platforms, like WordPress or HubSpot.

Here’s some projects that our expert API Developer made real:

  • Creating advanced databases on different cloud systems
  • Linking between two cameras from a microscope
  • Interfacing with customizing Wordpress themes, Woocommerce themes and SMS services
  • Building secure back end systems to analyze different public APIs
  • Applying sophisticated authorization mechanisms
  • Creating comprehensive ecommerce websites using MERN Stack
  • Developing node APIs for exchange markets using Node.js, Web3.js, Ether.js
  • Automatically out of stocking items from supplier’s stock through an API system.

It is no surprise that good API Development is the cornerstone of many successful software solutions. Our expert API Developers are well experienced in developing suitable solutions for projects ranging from app development to SaaS applications, game development to enterprise system integrations. WithFreelancer.com, businesses can easily hire one of these skilled professionals to build their own bespoke projects that are perfectly tailored for their needs. So why not post your own project on Freelancer today and hire an expert API Developer?

De 87,778 opiniones, los clientes califican nuestro API Developers 4.9 de un total de 5 estrellas.
Contratar a API Developers

API Development is an effective way for software to communicate and interact with each other over the internet. It’s a great way for developers to expand the capabilities of a program or systems by creating interfaces and allow data to be shared between different types of technology. With an API, existing systems can connect and more advanced solutions can be made. Hiring an API Developer can enable businesses to streamline processes and enable a much faster integration of existing software solutions.

API Developers are skilled engineers specialized in creating new APIs and maintaining existing ones. They are responsible for developing and troubleshooting current APIs, designing APIs from standards-based web services, maintaining inventory and implementing authorization mechanisms. Additionally, they incorporate different technologies together to create advanced software solutions that integrate cloud systems like Amazon Web Services or MongoDB and APIs with point-and-click platforms, like WordPress or HubSpot.

Here’s some projects that our expert API Developer made real:

  • Creating advanced databases on different cloud systems
  • Linking between two cameras from a microscope
  • Interfacing with customizing Wordpress themes, Woocommerce themes and SMS services
  • Building secure back end systems to analyze different public APIs
  • Applying sophisticated authorization mechanisms
  • Creating comprehensive ecommerce websites using MERN Stack
  • Developing node APIs for exchange markets using Node.js, Web3.js, Ether.js
  • Automatically out of stocking items from supplier’s stock through an API system.

It is no surprise that good API Development is the cornerstone of many successful software solutions. Our expert API Developers are well experienced in developing suitable solutions for projects ranging from app development to SaaS applications, game development to enterprise system integrations. WithFreelancer.com, businesses can easily hire one of these skilled professionals to build their own bespoke projects that are perfectly tailored for their needs. So why not post your own project on Freelancer today and hire an expert API Developer?

De 87,778 opiniones, los clientes califican nuestro API Developers 4.9 de un total de 5 estrellas.
Contratar a API Developers

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    159 trabajos encontrados

    Buscamos un especialista técnico independiente y certificado en AuraQuantic (anteriormente AuraPortal) para colaborar de manera externa en el diseño, modelado, integración y automatización de nuestros flujos de procesos empresariales. Modalidad: 100% Remoto (Freelance / Contract) Tipo de Contrato: Por entregables Duración estimada: 3 meses Presupuesto/Tarifa: A convenir según experiencia Responsabilidades: Diseño, configuración y orquestación de los procesos en AuraQuantic, asegurando la correcta implementación de los flujos requeridos. Adicionalmente, será responsable del diseño, desarrollo y optimización de la base de datos SQL Server 2019, mediante procedimientos almacenados que garanticen integ...

    $4079 Average bid
    $4079 Oferta promedio
    38 ofertas

    Necesito desarrollar una aplicación web enfocada exclusivamente en la gestión de documentos y archivos. El objetivo es que yo (y el resto del equipo) podamos cargar, organizar y consultar todo nuestro material digital desde un único lugar, sin depender de servicios de terceros. Funcionamiento esperado La plataforma debe permitir: • Subir archivos de distintos formatos (PDF, Word, imágenes sueltas, comprimidos, etc.) mediante arrastrar-y-soltar o selector tradicional. • Guardar cada documento con metadatos básicos: título, descripción breve, etiquetas y fecha. • Buscar y filtrar por cualquiera de esos metadatos o por nombre de archivo. • Previsualizar los tipos más comunes directamente en el navegador. • Gesti...

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

    Necesito una aplicación web que centralice el inventario de mi negocio y me permita operar desde cualquier navegador. El núcleo del proyecto es un módulo de gestión de stock capaz de: • Mostrar existencias en tiempo real y bloquearlas mientras se procesan movimientos. • Registrar automáticamente un historial completo de entradas y salidas, con fecha, usuario y referencia. • Generar alertas de reabastecimiento configurables (por cantidad o por rango de fechas) enviadas por e-mail y, si es viable, por notificación interna. Quiero controlar el acceso mediante un sistema de roles y permisos: administradores con control total, responsables de almacén con acceso limitado a movimientos y usuarios de sólo consulta. No he ...

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

    # وثيقة تحليل مشروع منصة بيع المنتجات الرقمية ومتاجر الوكلاء (White Label SaaS) ## نبذة عن المشروع المشروع عبارة عن منصة SaaS متخصصة في بيع المنتجات الرقمية، مثل شحن الألعاب، بطاقات الهدايا، الاشتراكات الرقمية، والخدمات الإلكترونية. لا تقتصر المنصة على البيع المباشر فقط، بل تتيح لأي وكيل إنشاء متجر إلكتروني مستقل يعمل تحت المنصة (White Label Store)، بحيث يمتلك الوكيل متجرًا يحمل اسمه وشعاره وألوانه ودومينه الخاص، بينما تتم جميع عمليات الدفع، إدارة الطلبات، تنفيذ العمليات، وإدارة المزودين من خلال المنصة الرئيسية. الهدف هو إنشاء نظام مركزي قادر على إدارة آلاف المنتجات وآلاف الوكلاء وآلاف المتاجر من لوحة تحكم واحدة. --- # فكرة العمل يوجد في النظام أربعة أطراف رئيسية: 1. المنصة (Platform Owner) 2. المزودون (Suppliers) 3. الوكلاء (Agents) 4. العملاء النهائيون (Customers) --- # آلية ال...

    $931 Average bid
    $931 Oferta promedio
    99 ofertas

    FILTRO HUMANO OBLIGATORIO: Para confirmar que eres un desarrollador real y que has leído esto con atención, escribe la palabra "PINEAPPLE" en mayúsculas al principio de tu propuesta. Si no lo haces, serás descartado de inmediato por los filtros automáticos. Estoy buscando un desarrollador práctico con experiencia en la API de generación de imágenes de OpenAI (específicamente gpt-image-2) para corregir y optimizar un módulo crítico de mi SaaS llamado "Estudio IA" (dentro de la sección "Droppage"). El problema actual: Nuestro sistema genera bloques de imágenes para armar landing pages de 10 secciones consecutivas (Hero, Oferta, Antes/Después, Beneficios, Tabla Com...

    $139 Average bid
    $139 Oferta promedio
    54 ofertas

    Cuento con todo el flujo conversacional en portugués, los textos finales y ejemplos de cada mensaje que el bot debe responder. Necesito que, en un plazo máximo de 5 días, implementes ese recorrido dentro de GoHighLevel y lo dejes funcionando en el canal de WhatsApp. Detalles clave del encargo: • Personalización moderada: las respuestas seguirán la lógica que ya definí, sin ramificaciones extra. • Tono formal: todas las interacciones deben mantener un estilo profesional. • Idioma único: el bot hablará exclusivamente en portugués. Tu trabajo será: 1. Configurar el flujo completo en GoHighLevel, usando mis mensajes tal cual. 2. Integrar la API de WhatsApp para que envíe respuestas autom&...

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

    # وثيقة تحليل مشروع منصة بيع المنتجات الرقمية ومتاجر الوكلاء (White Label SaaS) ## نبذة عن المشروع المشروع عبارة عن منصة SaaS متخصصة في بيع المنتجات الرقمية، مثل شحن الألعاب، بطاقات الهدايا، الاشتراكات الرقمية، والخدمات الإلكترونية. لا تقتصر المنصة على البيع المباشر فقط، بل تتيح لأي وكيل إنشاء متجر إلكتروني مستقل يعمل تحت المنصة (White Label Store)، بحيث يمتلك الوكيل متجرًا يحمل اسمه وشعاره وألوانه ودومينه الخاص، بينما تتم جميع عمليات الدفع، إدارة الطلبات، تنفيذ العمليات، وإدارة المزودين من خلال المنصة الرئيسية. الهدف هو إنشاء نظام مركزي قادر على إدارة آلاف المنتجات وآلاف الوكلاء وآلاف المتاجر من لوحة تحكم واحدة. --- # فكرة العمل يوجد في النظام أربعة أطراف رئيسية: 1. المنصة (Platform Owner) 2. المزودون (Suppliers) 3. الوكلاء (Agents) 4. العملاء النهائيون (Customers) --- # آلية ال...

    $987 Average bid
    $987 Oferta promedio
    87 ofertas

    Senior Kong API Gateway / AI Platform Security Architect (Contract) Overview: Seeking a hands-on Senior Kong API Gateway and Cloud Security Architect to help evaluate, design, and implement secure gateway solutions supporting both enterprise APIs and emerging AI/LLM platforms. This role partners with platform, cloud, and security teams to embed governance, security controls, and architectural best practices into modern gateway deployments. Strong API gateway experience is the priority; AI experience is a plus. Responsibilities: * Design and implement enterprise API and AI gateway architectures. * Collaborate with platform, cloud, and security teams to define secure, scalable solutions. * Establish security guardrails, governance, and architectural standards. * Provide guidance for AI/LLM...

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

    I'm looking for a skilled .Net developer to modify and maintain an existing B2B e-commerce application in the insurance marketplace. We are dealing with the sudden loss of a staff programmer. We have several on going projects. Ideal skills and experience: - Proficiency in .Net development - Proficiency with GitHub, VisualStudio (version 22) and related tools - Familiarity with DNN (current version 10), Evoq, and related .NET open source modules - Strong understanding of order management systems - Experience with SQL Server and IIS environments (all mostly current versions) - Familiarity with PDF creation tools and email confirmations - Ability to learn and work with existing code base. The project involves completing modifications for new policy types and business rules (e.g., age...

    $25 - $50 / hr
    Sellado Acuerdo de Confidencialidad
    $25 - $50 / hr
    40 ofertas
    Kirana App & Web Suite
    6 días left
    Verificado

    I want to take my neighbourhood kirana store fully digital with a two-part solution: a customer-facing Android app and a browser-based back office, both controlled through tiered roles (admin and super-admin). Android app Customers must be able to browse the entire catalogue through a fast product listing and search module, place and manage their orders inside the app, then leave customer reviews once an order is delivered. The flow should feel as smooth as any modern e-commerce experience. Web application Internally, the web portal will let us update stock in real time, handle individual customer accounts with their complete order history, and review sales analytics to spot trends and slow-moving items. Admin & super-admin roles Store admins need dashboards for user managemen...

    $322 Average bid
    $322 Oferta promedio
    42 ofertas
    Claude Workflow Automation Setup
    6 días left
    Verificado

    I need Claude configured for a business-grade workflow automation stack. The goal is to let the model take over three routine areas: • Scheduling & reminders – Claude should watch a shared Google Workspace calendar, propose meeting times, and nudge attendees by email or Slack when action is needed. • Data entry & reporting – incoming form submissions and CSV uploads must be parsed, cleaned, and pushed into our PostgreSQL database, with weekly summary reports drafted in Google Docs. • Email & communication processes – routine enquiries should trigger Claude to draft context-aware replies, tag conversations in our CRM, and escalate anything outside predefined rules. I already have API access to Anthropic, Google Workspace, Zapier and our...

    $21 / hr Average bid
    $21 / hr Oferta promedio
    120 ofertas

    I have my website like blinkit but problem is when customer open website customer location should auto dictate without google map api and need to build deliver app also like blinkit. My website is :-

    $108 Average bid
    $108 Oferta promedio
    18 ofertas

    I have a fully-working Android application that currently runs only in offline mode. I now need it moved online so users can access live data through a dedicated server. No new features or UI changes are required—the goal is a straight deployment that preserves all existing functionality. You will handle everything from configuring the server environment, setting up any required APIs or databases, to packaging and releasing an online-ready APK. Once complete, the app should connect seamlessly to the server, sync data in real time, and perform exactly as it does offline. Please outline the approach you would take, the tools you’ll use (Android Studio, backend framework, hosting stack, etc.), and an estimated turnaround time. Successful delivery is the live server running and t...

    $71 Average bid
    $71 Oferta promedio
    27 ofertas

    Preciso de um aplicativo de entrega de gás que cubra todo o fluxo de compra, do cadastro ao recebimento do botijão na porta do cliente. O escopo inclui: • Cadastro e login de usuários – autenticação simples e segura. • Sistema de pedidos – seleção de produtos, carrinho e confirmação. • Pagamento integrado via Pix, com retorno de status automático. • Rastreamento em tempo real do pedido no mapa, exibindo posição do entregador. • Painel administrativo na web para gerenciar produtos, preços, estoque, pedidos e entregadores. Entrego o design básico e a lógica de negócio; espero que você desenvolva o app (Android + iOS) e o painel a...

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

    Title: SurveyJS Form, Configurable Rules Engine & Compliance Dashboard – Pilot Project Project Description I’m looking for an experienced developer to help digitize and automate a complex compliance/reporting form based on reporting guidance. The goal is to replace manually reviewed forms and manual Excel summaries with a SurveyJS‑based solution, a configurable rules engine, and a reporting/dashboard layer. The work will start with a small paid pilot task so you can demonstrate your ability before we expand to the full project. What I need The final solution should: - Build the full questionnaire in SurveyJS (JSON) based on an existing annotated PDF form and instructions. - Implement completeness and consistency rules (required fields, conditional questions, required upl...

    $127 Average bid
    $127 Oferta promedio
    100 ofertas

    Title: AWS Migration — Node.js/Next.js Medical SaaS to ECS Fargate (5 services, RDS, SQS, DICOM over NLB TCP) Budget: Fixed price, milestone-based. Description: We run a teleradiology SaaS platform (Node.js/Express API + web + PostgreSQL 16) currently deployed on a dedicated VPS with Docker. It works, but we need to move it to AWS to scale from 1 pilot clinic to 75 clinics over the next 12–18 months. This is a focused migration, not a redesign — the application code stays as-is except for the changes needed to run stateless on AWS. Target architecture — 5 containerized services on ECS Fargate: 1. WEB — app (radiologist/clinic portal), behind ALB. 2. API — Express API: auth (JWT/RBAC multi-tenant), studies, reports, pipeline triggers. Behind ALB....

    $2241 Average bid
    Urgente Acuerdo de Confidencialidad
    $2241 Oferta promedio
    106 ofertas

    Preciso de um aplicativo de entrega de gás que cubra todo o fluxo de compra, do cadastro ao recebimento do botijão na porta do cliente. O escopo inclui: • Cadastro e login de usuários – autenticação simples e segura. • Sistema de pedidos – seleção de produtos, carrinho e confirmação. • Pagamento integrado via Pix, com retorno de status automático. • Rastreamento em tempo real do pedido no mapa, exibindo posição do entregador. • Painel administrativo na web para gerenciar produtos, preços, estoque, pedidos e entregadores. Entrego o design básico e a lógica de negócio; espero que você desenvolva o app (Android + iOS) e o painel a...

    $19 / hr Average bid
    $19 / hr Oferta promedio
    77 ofertas
    Secure Odoo-Claude Integration
    6 días left
    Verificado

    I’m running a self-hosted Odoo v17 instance and I want it to speak with Claude in a strictly controlled, read-only fashion. The goal is for Claude to pull customer-relationship data, inventory figures and any other information needed to generate automated reports—nothing more, no write or admin rights at all. Security is paramount, so I’m open to whichever connection method (API, webhooks, or another highly secure approach you can justify) best keeps the data safe while remaining maintainable with future Odoo and Claude updates. You’ll need to map the relevant Odoo models, handle authentication, and make sure permission scopes remain locked to read-only. Deliverables should include: • A working integration module or middleware script fully installed on my s...

    $543 Average bid
    $543 Oferta promedio
    59 ofertas

    I need a full-stack developer who can design and code a streamlined, custom CRM that covers the entire sales funnel for my real-estate team. The platform must excel at the three core functions I rely on most—lead ingestion and syncing, AI WhatsApp follow-up, and a clear analytics dashboard—while capturing every key data point: contact details, property preferences, and each buyer’s timeline and budget. Lead ingestion & database Every new prospect coming from Meta Lead Ads (Facebook and Instagram) should flow automatically into a central database. I picture an Excel/Google-Sheets style grid where my agents can filter, sort, or bulk-edit records without touching the back end. Reliability and near-real-time syncing are non-negotiable. AI WhatsApp follow-up The mome...

    $241 Average bid
    $241 Oferta promedio
    72 ofertas

    I need a lightweight .NET service that communicates with Epicor’s REST API and keeps our database and the ERP in lock-step. The core requirement is real-time data synchronization—changes made in either system should be reflected in the other within seconds, without manual intervention or batch jobs. Beyond simply moving records back and forth, the service must apply custom business logic before any write is committed. That logic includes: • Processing transactions – e.g., auto-generating related records, updating status fields, and posting to the correct Epicor endpoints. • Data validation – rejecting or flagging incomplete or incorrectly formatted payloads so we never pollute Epicor with bad data. • Workflow automation – triggering follow...

    $1280 Average bid
    $1280 Oferta promedio
    225 ofertas

    I am building a full-featured mobile marketplace that runs smoothly on both iOS and Android. The app will present two completely separate experiences: one dashboard for customers and another for sellers. Core experience • Customers and sellers can each create listings, upload multiple photos, and have every image automatically scanned and sorted into the correct category so products stay organized without extra effort. • A real-time chat layer lets the two parties negotiate, share more images, and finalise details inside the app. • Push notifications will alert users to new messages, offer updates, and deal milestones. • Every transaction—from first contact through payment confirmation—must be logged so that both parties can review their full deal histo...

    $1217 Average bid
    $1217 Oferta promedio
    206 ofertas

    I need my Shopify checkout to pull live shipping costs from my logistics partner’s API and pass the final amount through Razorpay before the customer completes payment. The API documentation is already in hand, so you can dive straight into development without hunting for specs. Here’s the flow I want: • Customer enters their address → API returns location-based shipping options → a preliminary estimate appears in the cart or first checkout screen. • On the payment step, the script calls the API again (or confirms the earlier call) to lock in the exact charge, adds it to the order total, and hands everything off to Razorpay for collection. Key requirements • Custom rule: rates vary only by delivery location; weight or size don’t matter...

    $77 Average bid
    $77 Oferta promedio
    54 ofertas

    I need a tool or script to help manage and remove duplicate files on Telegram groups . The duplicates should be identified by file name, and I want to review each action before it's taken. Key Requirements: - Identify duplicate files based on file name - Flag duplicates for review before action - User-friendly interface or command line tool Ideal Skills and Experience: - Experience with Telegram API - Familiarity with file handling and duplicate detection - Ability to create intuitive review prompts

    $28 Average bid
    $28 Oferta promedio
    89 ofertas

    I need a full-stack build for my gym’s online hub. The site has to do more than simply look good; it must handle the day-to-day operations of the club. Core functionality • Class scheduling that members can browse, book, cancel, and reschedule in real time. • Membership sign-up and management with secure login, profile editing, freezes, and renewals. • Detailed trainer profiles that include bios, certifications, and session availability. Added value features • A section for on-demand workout videos, organised by difficulty and focus area. • Downloadable or interactive nutrition plans that I can update easily from an admin panel. • Customer reviews tied to specific classes or trainers to boost trust and engagement. Technical expectations ...

    $261 Average bid
    $261 Oferta promedio
    177 ofertas
    Digital Shop Bot Development
    6 días left
    Verificado

    Hi my friend, I'd like to purchase your services to build a Telegram bot that allows my customers to make purchases. They will have a balance that can be topped up with cryptocurrency without KYC, and they'll use that balance to buy my services. I'd like to sell document editing services such as PSD files, police reports, invoices, ID cards, driver's licenses, shipping labels, and similar documents. The idea is that the customer tops up their balance, selects a product, and the bot generates the document by asking for all the information the customer wants to appear on it. The bot should use Photoshop (.PSD) templates for every document generation, automatically filling in the customer's information while preserving the original design and layout of each templat...

    $201 Average bid
    $201 Oferta promedio
    39 ofertas
    Live Betfair & Pinnacle Odds API
    6 días left
    Verificado

    I need real-time odds from both Betfair and Pinnacle stream. I do need funded verified pinnacle and betfair account with odds feed. Need just accounts or working api that use account with 0 latency

    $423 Average bid
    $423 Oferta promedio
    194 ofertas

    I'm seeking a solution architect to review the technology stack for a new web app aimed at enhancing user experience for a banking client. The app will prioritize financial planning tools. Key Requirements: - Evaluate and recommend tech stack components. - Ensure scalability, security, and performance. - Align with financial industry standards. Ideal Skills and Experience: - Proven experience in banking or fintech solutions. - Strong understanding of web technologies. - Expertise in financial planning applications. - Excellent communication for stakeholder engagement.

    $440 Average bid
    $440 Oferta promedio
    155 ofertas

    I have a mature JavaScript / Node.js codebase that now needs robust API connectivity. The goal is to wire in several external services—some exposed as classic REST endpoints, others as GraphQL—so the application can consume, transform, and surface that data seamlessly to the front-end. Here’s what I need from you: • Analyse the existing structure, identify the best touch-points for new service layers, and keep everything idiomatic to Node.js (Express, middleware, async/await). • Build out the integration layer for both REST and GraphQL calls, including token management, retries, and intelligent error handling. • Return clean, typed responses (TypeScript definitions or JSDoc) so downstream modules stay type-safe. • Write concise unit and integr...

    $6 / hr Average bid
    $6 / hr Oferta promedio
    58 ofertas

    Senior Developer Required to Build Secure Messaging & Communication Platform (Mobile + Desktop + SDK) We are looking for an experienced developer or development team to build a secure communication platform under our brand. The solution will include: Standalone mobile applications (Android & iOS) Desktop applications SDK package for integration purposes Private/enterprise deployment options The platform will require strong Admin controls, secure access management, real-time messaging, calling, recording, and multi-device connectivity. Must-Have Features: 1. Desktop & Mobile Connection Users should be able to start their computer, open the mobile app, and scan a barcode/QR code to connect the desktop application, similar to WhatsApp Web. Support desktop, Android, and iOS ve...

    $849 Average bid
    $849 Oferta promedio
    229 ofertas

    I need a solid Python script that connects to my Brokers account through the official API, automates live order execution, and performs the data analysis I normally run by hand. Here’s the flow I have in mind: I have code for zerodha broking account, that need to modifyed in mstock broker account Automate Options:(choose by tickbox) candle Buy(Red-Green) Candle Price Jump(Live 10Mins) candle (i will explain) Acceptance criteria –I dont know coding, if you insatll and run sucessfull then hire and release payment – Budget:Rs.700 for all work there is no negotiaion on price in any way(xpect more price dont waste your text) – if you show result with your talent, I give good review it is asset, if you have previously done similar projects and can show a portf...

    $17 Average bid
    $17 Oferta promedio
    14 ofertas

    My MERN-based medical platform is already feature-complete and sitting in a private Git repo; only a round of QA fixes stands between it and production. I now need a solid full-stack team that can step in, close every open bug, harden the code, and drive the app all the way through staging, UAT and live deployment (Docker + CI/CD to the cloud is preferred). The bigger challenge is an add-on “analyzer” service. Its sole purpose is to pull raw readings directly from laboratory analyzers and inject them into our existing test-result flow—essentially automating what is still a manual entry step. • Type of processing: the analyzer’s job is “taking data from Analyzers into the test result” pipeline; no further statistical or predictive crunching is re...

    $30 - $250
    Sellado Acuerdo de Confidencialidad
    $30 - $250
    176 ofertas
    $242 Oferta promedio
    33 ofertas

    Title Senior SaaS Developer / Architect – Commercial Asset Management Platform (Long-Term Project) Description I am looking for an experienced developer to become a long-term development partner for a commercial asset management platform. This is NOT a simple CRM or inspection app. We have developed a unique Roof Asset Lifecycle Management system used to document, analyze, monitor, and manage commercial roofing assets throughout their entire lifecycle. The application will initially be used internally by our company and will eventually have the potential to become a commercial SaaS platform. ---------------------------------------- PROJECT STATUS The business model has already been developed. The workflow has already been developed. The sample report has already been pro...

    $474 Average bid
    $474 Oferta promedio
    189 ofertas

    Ye ready-to-copy project description hai: Writing Custom Telegram Stock Alert Bot (Python + Zerodha Kite Connect) Project Overview I need a custom stock alert system for my personal use. The application should monitor up to 500 NSE/BSE stocks using the Zerodha Kite Connect API and send instant Telegram alerts when a manually configured target price is reached. Requirements Stock Monitoring Monitor up to 500 NSE/BSE stocks. Use Zerodha Kite Connect API. Run during Indian market hours. Use WebSocket for real-time monitoring (preferred). Telegram Bot Features The bot must support the following commands: /add SYMBOL TARGET_PRICE /update SYMBOL TARGET_PRICE /remove SYMBOL /list /search SYMBOL Alert Message When a target is hit, send a Telegram notification containing: Stock Name Current Price T...

    $230 Average bid
    $230 Oferta promedio
    54 ofertas

    I’m lining up experienced full-stack engineers for new roles with our U.S. partners—including teams at Meta, Apple, and Calendly—and I’d like to review your profile. What I’m looking for You bring at least three years of solid, production-level software engineering experience and communicate comfortably in English at a C1 level or higher. Because most of the openings are true end-to-end roles, confidence across both frontend and backend stacks is essential. How the process works Send me your latest CV along with any links that showcase recent work (GitHub, portfolio, live apps, or write-ups). I’ll match your background against several active vacancies and, if there’s a fit, introduce you directly to the hiring teams for their streamlined inte...

    $6613 Average bid
    $6613 Oferta promedio
    128 ofertas

    We are launching a focused, high-velocity modernization initiative for our e-commerce platform. We need an experienced, autonomous WordPress and Web Developer to restructure our content management workflows, implement a headless CMS architecture, and bridge marketing components with our core application. This is a streamlined, fast-paced contract designed to be completed in 4 to 6 and Capacity ControlsHourly Rate: $80 - $95 / Limit: 20 - 30 hours per Modality: All milestones and hours are processed through this platform’s secure billing and escrow systems. Manual billing and off-platform transactions are strictly of Work and DeliverablesYour contribution is highly technical and tightly scoped to prevent any overlap with our frontend and backend engineering tracks. You will be re...

    $6649 Average bid
    $6649 Oferta promedio
    308 ofertas

    I need a complete examination system that runs entirely over our local Windows network, so students can sit an “online” test without any internet connection. The solution must let each workstation connect to a central server, pull the exam, and push results back immediately. Key capabilities • Randomized question order so no two students see the same sequence • Per-student time tracking with an automatic lock-out when the clock hits zero • Automated grading that releases scores the moment an exam is submitted Question formats to support • Multiple choice • Short answer • Essay Administrators have to be able to build question banks, schedule exams, watch real-time progress, and export detailed results. A simple, distraction-free candi...

    $106 Average bid
    $106 Oferta promedio
    27 ofertas

    Certification Program Management Platform — Partially Built, Looking to Complete I am building a web platform to manage a multi-step applicant certification process from start to finish. A solid working prototype already exists and I need an experienced developer to take it to production. The workflow: Applicant receives a unique link → completes an application → acknowledges program rights and signs digitally → uploads ID documents via desktop or mobile → takes a 199-question online exam (80% to pass, with study and retry mode) → completes an in-person assessment recorded by admin → system generates all required program documents in a single applicant file. Already built (working HTML/JS prototype): Full applicant wizard with digital signature and mo...

    $610 Average bid
    Acuerdo de Confidencialidad
    $610 Oferta promedio
    376 ofertas

    AI Agent Platform (Build Brief) About us HOTR is a creator management agency. We manage a roster of 15–19 digital content creators (£100k–137k/month gross) with a team of ~15 (operations, customer support, marketing, a ~10-person messaging team, and finance). We want our own private, cloud-hosted AI assistant for the agency — built on our infrastructure, owned entirely by us. What we need (v1 scope) A web-based chat bot with two specialist AI agents: 1. Acquisition agent Helps run our creator-signing pipeline: Track prospects and their stage (contacted → pitch sent → follow-up → signed / lost) Flag stalled leads (our biggest leak: prospects go cold after the pitch with no follow-up) Draft outreach and follow-up messages in our tone of voice Answer ...

    $5322 Average bid
    Acuerdo de Confidencialidad
    $5322 Oferta promedio
    189 ofertas

    I’m kicking off a green-field web application for D Daya AI and need a full-stack partner who can take the idea from wireframe to deployable product. The build starts from scratch, so you’ll own both the front-end experience and the back-end logic. Core requirements • Robust user authentication that covers sign-up, login, password reset, and role-based access. • Clean, interactive data-visualisation dashboards that make our AI outputs easy to explore and filter in real time. You’re free to propose the stack that best fits those goals—React, Vue, Angular on the front, Node, Django, or another performant back-end are all welcome as long as the final codebase is modular, well-documented, and easy for an internal team to maintain. Deliverables • ...

    $31 / hr Average bid
    $31 / hr Oferta promedio
    163 ofertas

    I already have a clean, responsive front-end for my travel-insurance booking site; now I need the complete engine behind it. Your job is to architect and code the full back-end layer, expose well-structured REST APIs, and wire everything to Indian payment gateways. Core scope • Build the entire server-side infrastructure — database schema, business logic and API endpoints — so that users can browse plans, generate quotes, buy a policy and download documents. • Create an admin module view transactions and run simple reports. • Integrate payment gateway(s) and complete payment in INR. Successful and failed callbacks must be handled and logged. • Provide clear API docs and postman collection so the existing UI (or any revised React/Angular/Vue layer)...

    $585 Average bid
    $585 Oferta promedio
    112 ofertas

    I run a Shopify-based store and need a purpose-built application that keeps my inventory accurate without constant manual checks. The core of the job is to engineer a lightweight system that: • Pulls item quantities from Shopify in real time and displays them in a clean dashboard • Triggers automatic reorder alerts when any SKU hits the threshold I set • Generates clear, exportable sales and inventory reports so I can spot trends quickly The software has to connect directly through Shopify’s latest API, handle variants, and remain responsive even as the catalog grows. A simple browser interface (or an Electron desktop app) is fine as long as it is intuitive and works on Mac and Windows. Please outline: – Your proposed tech stack and why it suits Shopify&...

    $242 Average bid
    $242 Oferta promedio
    86 ofertas
    Custom Image Hosting Platform
    5 días left
    Verificado

    I want to stand up a dedicated image-hosting platform that I fully control rather than relying on third-party services. The core requirement is the ability to upload, store, and deliver images quickly and reliably at any resolution, with clean URLs and no branding except my own. Here’s what I have in mind: • A modern, responsive front-end where users can drag-and-drop or batch-upload images, see instant thumbnails, and copy shareable links. • A solid back-end—Laravel, Node, Django, or a stack you’re comfortable with—that saves original files, generates multiple sizes on the fly, and serves them through a CDN or bucket-style storage to keep latency low. • An admin panel where I can monitor storage usage, purge content, and toggle simple settings ...

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

    I need an experienced Boomi developer who can take charge of three live integrations in a single sprint. First, you will handle our Oracle workloads: a one-time data migration from legacy tables into the new schema, followed by reusable custom API connections that expose key endpoints to Boomi. Next, you will wire Salesforce to Boomi so that Sales Automation events and Marketing Campaign objects flow bi-directionally with minimal latency. Finally, you will connect NetSuite for order-processing—new orders initiated in Salesforce must create, update, and close the corresponding transactions in NetSuite automatically. Deliverables • Boomi process designs, deployed and working in DEV, TEST, and PROD • Parameterised connectors for Oracle data migration and custom...

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

    I need a Meta-qualified specialist to make sure every lead my ads generate is captured accurately. My account already runs campaigns, but I’m uncertain whether the Custom Conversions are configured at all. The site itself is custom-built, so there is no plug-and-play app; you’ll have to implement the Meta Pixel and Conversion API directly (GTM, server-side script, or a lightweight node/PHP endpoint—whatever you recommend). The only event I care about right now is a Lead Form Submission. Once the tracking is in place I want it verified inside Events Manager, sent through the Pixel Helper and the Test Events tool, and then observed in a live campaign for a day or two just to confirm real-time firing and deduplication. No creative tweaks, bids, or optimisation work are req...

    $78 Average bid
    $78 Oferta promedio
    49 ofertas
    FreePBX Install & Call API
    5 días left
    Verificado

    Project Overview We are looking for an experienced FreePBX / Asterisk developer to install, configure, and develop a complete REST API for automating telephone bridge calls. We will provide: SSH access to a Linux server. SIP trunk credentials. Access to a remote server where call recordings will be stored. The final solution must be production-ready, stable, secure, and well documented. Phase 1 – Installation & Configuration The developer will: Install and configure FreePBX (preferred) or Asterisk if there is a clear technical advantage. Configure one or more SIP trunks. Our SIP provider allows multiple DDI (Caller IDs) on the same SIP trunk. The system must support multiple SIP trunks simultaneously. Configure automatic call recording. Secure and optimize the PBX for prod...

    $531 Average bid
    $531 Oferta promedio
    211 ofertas

    I’m building a comprehensive marketplace that lets patients book clinic visits with verified doctors, nurses, caregivers, physiotherapists, and other licensed professionals. Each practitioner will have a profile where they can upload credentials, describe services, set their own fees, and update real-time availability. Patients must be able to search using the filters we care about most—specialty, location, price, rating, and preferred language—then reserve an in-clinic appointment in just a few taps. (Video consultations and home-care bookings will follow, so keep the architecture flexible for those additions.) Every patient account will include an encrypted medical file that stores reports, prescriptions, allergies, medications, surgical history, and ongoing treat...

    $430 Average bid
    $430 Oferta promedio
    88 ofertas

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