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Contratar billybryan98
Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and...Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and a strong focus on problem-solving, I ensure every project I work on exceeds expectations and drives measurable results. Backend Development ✔️ Python: Flask, Django, RESTful APIs, data processing. ✔️ C#: ASP.NET Core, application development, Azure integrations. ✔️ PHP: Laravel, WordPress, custom CMS solutions. ✔️ SQL & Databases: PostgreSQL, MySQL, Couchbase, TypeORM. Frontend Development ✔️ React.js: Next.js, Remix.js, Astro.js ✔️ JavaScript: Angular, Vue, Vuex, TypeScript, jQuery. ✔️ CSS Frameworks: Bootstrap, Tailwind CSS, SCSS, LESS. ✔️ Responsive Design: HTML5, CSS3, Figma, pixel-perfect, cross-browser compatibility. Tools & Platforms: ✔️ Version Control: Git, GitHub, GitLab, Bitbucket ✔️ Cloud: AWS, Azure, Google Cloud, Couldflare ✔️ DevOps: Docker, CI/CD pipelines, Jenkins. ✔️ Collaboration: Trello, Slack, Jira. What I Offer ✔️ Custom Web Applications: Fully responsive and optimized for performance. ✔️ API Development & Integration: Building and connecting APIs for seamless data exchange. ✔️ Database Design & Optimization: Efficient data models and query performance tuning. ✔️ Migration & Upgrades: Smooth transitions with zero downtime. ✔️ Full-Stack Solutions: From UI/UX design to backend logic and deployment. I'm passionate about turning your ideas into functional, scalable, and visually appealing digital solutions. Whether you need a one-off project or long-term collaboration, I’m here to help. Let's bring your project to life! Let’s discuss your project needs and start building something amazing together. Best regards, Billy Bryan menos -
Contratar antondehtearuc
antondehtearuc antondehtearuc
$27 USD / hora
Senior Web | Mobile | AI Integration DeveloperMoldova, Republic of🔥 Summary ⚡ 𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 & 𝐖𝐞𝐛 𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐨𝐫 | 𝐓𝐮𝐫𝐧𝐢𝐧𝐠 𝐈𝐝𝐞𝐚𝐬 𝐢𝐧𝐭𝐨 𝐒𝐦𝐚𝐫𝐭, 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐀𝐩𝐩𝐬 ⚡ I design and build intelligent web applications powered by OpenAI API and modern full-stack technologies. My work helps startups and teams move fast — from concept to live MVP, and from manual to automated workflows — without...🔥 Summary ⚡ 𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 & 𝐖𝐞𝐛 𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐨𝐫 | 𝐓𝐮𝐫𝐧𝐢𝐧𝐠 𝐈𝐝𝐞𝐚𝐬 𝐢𝐧𝐭𝐨 𝐒𝐦𝐚𝐫𝐭, 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐀𝐩𝐩𝐬 ⚡ I design and build intelligent web applications powered by OpenAI API and modern full-stack technologies. My work helps startups and teams move fast — from concept to live MVP, and from manual to automated workflows — without sacrificing scalability or quality. ✅ 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐨 𝐁𝐞𝐬𝐭 - 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 – Build real-time, intelligent systems using OpenAI, LangChain, and custom model integrations. - 𝗪𝗲𝗯 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – Create responsive, production-ready MVPs with React, Next.js, and scalable backend APIs. - 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 – Connect services, automate tasks, and improve efficiency with tailored API connections. ✅ 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 - 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js, Angular, Vue.js, TypeScript, JavaScript (ES6+), Tailwind CSS, Material UI, Chakra UI, Redux, Zustand, React Query, Chart.js, D3.js - 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Express.js, Fastiy, Python (FastAPI, Flask, Django), Rust, NestJS, Spring Boot, Golang (Fiber), GraphQL, REST APIs, WebSockets, gRPC - 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: Supabase, PostgreSQL, MySQL, MongoDB, Firebase Firestore, Redis, Cassandra, DynamoDB, PlanetScale, Prisma ORM, Drizzle ORM - 𝗔𝗜 & 𝗗𝗮𝘁𝗮: OpenAI API, LangChain, Pinecone, Weaviate, ChromaDB, FAISS, Hugging Face, TensorFlow, PyTorch, LlamaIndex, Vector Databases, Agents & RAG Pipelines, Yolo - 𝗖𝗹𝗼𝘂𝗱 & 𝗧𝗼𝗼𝗹𝘀: AWS (Lambda, EC2, ECS, S3, CloudFront), Vercel, Render, Hostinger, Ubuntu, Netlify, Docker, Kubernetes, Nginx, CI/CD Pipelines, GitHub Actions, Ngrok ✅ 𝐑𝐞𝐬𝐮𝐥𝐭𝐬 𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫 - MVPs built and deployed within weeks - Smarter, faster operations via AI & automation - Robust, scalable systems ready for growth ✅ Why Work With Me 🔹 𝗔𝗜-𝗗𝗿𝗶𝘃𝗲𝗻 𝗠𝗶𝗻𝗱𝘀𝗲𝘁 – Every build is smarter, faster, and future-ready 🔹 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗕𝘂𝗶𝗹𝗱𝗲𝗿 – From idea validation to deployment and scaling 🔹 𝗦𝗲𝗮𝗺𝗹𝗲𝘀𝘀 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 – APIs that connect everything beautifully 🔹 𝗧𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 – Clear communication and reliable delivery ✅ 𝐋𝐞𝐭’𝐬 𝐭𝐮𝐫𝐧 𝐲𝐨𝐮𝐫 𝐧𝐞𝐱𝐭 𝐢𝐝𝐞𝐚 𝐢𝐧𝐭𝐨 𝐚 𝐬𝐦𝐚𝐫𝐭, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐰𝐞𝐛 𝐩𝐫𝐨𝐝𝐮𝐜𝐭. 📩 Message me — and let’s build something that actually works. menos -
Contratar gazmirs
Hi, thanks for visiting my profile. I’m a senior full-stack developer with 15+ years of experience building reliable, scalable web and mobile applications. I focus on delivering clean, production-ready solutions that solve real business problems — not just writing code. I’ve helped clients launch products, fix...Hi, thanks for visiting my profile. I’m a senior full-stack developer with 15+ years of experience building reliable, scalable web and mobile applications. I focus on delivering clean, production-ready solutions that solve real business problems — not just writing code. I’ve helped clients launch products, fix critical issues, and improve performance across startups and growing businesses. My core expertise: Frontend: React, Next.js, Vue, Angular, Tailwind, ShadCN Mobile: React Native, Flutter, Android Backend: Node.js, NestJS, Laravel, Django, FastAPI Database: PostgreSQL, MongoDB, MySQL, Redis APIs & Integrations: REST, GraphQL, WebSockets, Stripe, Firebase, Supabase I’m comfortable handling full-cycle development — from architecture to deployment — and I communicate clearly throughout the process. If you need someone reliable who can understand your requirements quickly and deliver without unnecessary delays, feel free to reach out. Let’s build something that works and scales. menos -
Contratar rafaelunag
With over 8 years of experience in web development, including a strong focus on JavaScript frameworks such as React.js, I have a proven track record of building intuitive, user-centric applications that align with modern design principles and business goals. In addition to traditional development, I have strong...With over 8 years of experience in web development, including a strong focus on JavaScript frameworks such as React.js, I have a proven track record of building intuitive, user-centric applications that align with modern design principles and business goals. In addition to traditional development, I have strong experience with no-code and low-code platforms including n8n, Bubble, and Make.com, enabling me to rapidly automate workflows, build scalable MVPs, and integrate complex systems with minimal overhead. Beyond my technical skills, I value collaboration and clear communication. I have partnered closely with product managers, designers, and backend developers to translate requirements into actionable solutions, meeting tight deadlines without compromising quality. My experience with tools such as Vite, Next.js, and Tailwind CSS further supports my ability to deliver production-ready applications efficiently. I would welcome the opportunity to discuss how my skills and experience align with your needs. 📞 Please feel free to contact me. 🔹 Frontend Development React.js, Next.js, Angular, Vue.js HTML5, CSS3, JavaScript (ES6+), SASS / SCSS Tailwind CSS, Bootstrap, GSAP (Animations) 🔹 3D & Interactive Web Three.js, React Three Fiber, D3.js, GSAP Animations, 3D Configurators 🔹 Full-Stack & Architectures MERN Stack, Full-Stack Web Applications, Scalable System Design, SSR / SSG (Next.js) 🔹 Mobile Development React Native, Flutter, iOS (Objective-C), Android (Java) 🔹 eCommerce Development WooCommerce (WordPress), Shopify (Customization & Optimization), Magento, Payment Gateway Integration, Checkout Optimization, eCommerce Automation 🔹 Backend Development PHP (Core & Advanced) Laravel, CodeIgniter, Node.js, Python (Django, Flask), REST APIs & Third-party Integrations 🔹 CMS & Website Builders WordPress, Shopify, Magento, Wix, Elementor Pro, Divi, Avada, WPBakery, Salient 🔹 Automation & Scraping Puppeteer, Selenium, BeautifulSoup, Web Scraping Systems, Workflow Automation (n8n), 🔹 Blockchain & Web3 Ethereum, Solana, Polygon, Base, Smart Contracts (Solidity, Rust), DApps Development, NFT Platforms, Wallet Integration (MetaMask) 🔹 Telegram & TON Development Telegram Mini Apps, Telegram Bots & Automation, TON Blockchain (FunC, Solidity), TON Wallet Integration, DeFi & NFT Solutions on TON, 🔹 DevOps & Cloud AWS, Azure, Google Cloud CI/CD Pipelines Deployment & Infrastructure Automation 🔹 AI & Machine Learning AI Automation,NLP Integrations,Machine Learning Model Integration 🔹 Databases MySQL, PostgreSQL, MongoDB, Firebase, MS SQL Server 🔹 Design & UX UI/UX Design, User-Centered Design, Conversion Optimization, Branding, menos -
Contratar Linkmez
I help businesses build production-ready applications and deploy scalable infrastructure—from offline-first mobile apps to complex CMS platforms and Linux DevOps automation. 🎯 WHAT I DELIVER Senior Full-Stack Engineer specializing in enterprise-grade solutions with startup speed. I've shipped white-labeled...I help businesses build production-ready applications and deploy scalable infrastructure—from offline-first mobile apps to complex CMS platforms and Linux DevOps automation. 🎯 WHAT I DELIVER Senior Full-Stack Engineer specializing in enterprise-grade solutions with startup speed. I've shipped white-labeled executables, offline-sync mobile apps, Laravel/Statamic CMS platforms, and distributed monitoring systems for clients worldwide. 💼 CORE SERVICES ✅ Mobile Development Offline-first React Native apps with PowerSync + Supabase (100% data integrity). Cross-platform iOS/Android deployment. Complex local-first architectures with SQLite replication. Full i18n support. ✅ Web Applications Laravel 12 + Statamic 5 CMS with custom frontends (Vite, Tailwind v4, Alpine.js). Modern React/Next.js with streaming LLM interfaces. Payment gateway integrations. T3 Stack (Next.js/tRPC/Prisma) type-safe development. ✅ DevOps & Infrastructure Linux server management (Ubuntu/CentOS) with systemd. Distributed monitoring deployment. Docker containerization and Swarm orchestration. SSH-based secure authentication. ✅ Python Automation Standalone executable packaging (PyInstaller). Privacy-preserving telemetry (PostHog). FastAPI services with OpenAPI docs. Build-time secret injection and white-labeling. 🛠 TECH STACK Frontend: React, Next.js 14, Vue.js, Tailwind CSS, Shadcn UI, Tamagui, Alpine.js Backend: Laravel 12, Node.js, tRPC, Express, NestJS, FastAPI, Statamic 5 Mobile: React Native, Expo, PowerSync, offline-first architectures Database: PostgreSQL, MySQL, MongoDB, Prisma ORM, Supabase, SQLite DevOps: Docker, Linux, systemd, SSH automation Tools: Git, Vite, PyInstaller, PostHog, Swagger/OpenAPI 🏆 CLIENT OUTCOMES ✅ White-labeled privacy-focused app with machine fingerprinting and stealth monitoring ✅ Offline-first mobile app with 100% data integrity and <16ms UI response ✅ Laravel 12 + Statamic 5 CMS combining headless backend with custom frontend ✅ Distributed monitoring replacing $75/mo Datadog with $0 solution (<1% CPU overhead) ✅ AI chat interface with streaming responses, reducing latency from 5-10s to <200ms ✅ Payment gateway architecture with dynamic pricing estimation 💡 WHY CHOOSE ME Production-Grade Quality: I deliver systems that scale with proper error handling, monitoring, security, and maintainable architecture. Privacy & Security First: Experienced in white-labeled solutions with vendor concealment, privacy-preserving analytics, and build-time secret injection. Full-Cycle Delivery: Architecture design to deployment documentation. You get working code, deployment guides, and knowledge transfer. Clear Communication: Comprehensive README files, API documentation (Swagger/OpenAPI), and deployment instructions for independent maintenance. ⏰ Ready to start immediately. Milestone-based payments with detailed project timelines upfront. Let's discuss your project. Click "Hire Me" or send an invitation. menos -
Contratar jayantm76
Full-Stack Web, Mobile & Desktop Developer focused on building fast, clean, and scalable applications. I handle everything from frontend to backend development, APIs, databases, deployment, and cross-platform applications — delivering complete, production-ready solutions. ✔ Web Applications ✔ Mobile Applications ✔...Full-Stack Web, Mobile & Desktop Developer focused on building fast, clean, and scalable applications. I handle everything from frontend to backend development, APIs, databases, deployment, and cross-platform applications — delivering complete, production-ready solutions. ✔ Web Applications ✔ Mobile Applications ✔ Desktop Applications ✔ API Development ✔ System Integrations ✔ Bug Fixing & Optimization ✔ Performance Improvements ✔ Deployment & DevOps Let’s discuss your requirements, and I’ll propose the best technical approach along with a clear development roadmap. menos -
Contratar matheussilva114
matheussilva114 matheussilva114
$30 USD / hora
FULL-STACK ENGINEER| DATA SCIENTIST| AI SPECIALISTBrazilAutomatización, Soluciones en la nube, Gestión de páginas web, Amazon Web Services, Integración de APIAs a Senior Full-stack developer, Data Scientist and AI/ML Engineer with over 6 years of experience, I specialize in designing, developing, and deploying Software Products with good machine learning solutions. My expertise spans across Machine Learning, Deep Learning, NLP, Computer Vision, and Generative AI,...As a Senior Full-stack developer, Data Scientist and AI/ML Engineer with over 6 years of experience, I specialize in designing, developing, and deploying Software Products with good machine learning solutions. My expertise spans across Machine Learning, Deep Learning, NLP, Computer Vision, and Generative AI, enabling businesses to harness the full potential of AI for automation, insights, and innovation. menos -
Contratar yuriihal
I build AI-driven backend systems that think, learn, and scale. Most companies use AI in fragments—a chatbot here, an automation there. I help startups and enterprises build complete AI ecosystems by integrating Large Language Models (LLMs) into robust, production-grade backend architectures. Whether you are building...I build AI-driven backend systems that think, learn, and scale. Most companies use AI in fragments—a chatbot here, an automation there. I help startups and enterprises build complete AI ecosystems by integrating Large Language Models (LLMs) into robust, production-grade backend architectures. Whether you are building an AI SaaS MVP from scratch or adding RAG-based intelligence to an existing platform, I deliver clean, maintainable, and secure code. What I bring to your project: 1. AI Integration: Expert in OpenAI (o1/GPT-4), Claude 3.5, and Gemini 2.0. I specialize in RAG (Retrieval-Augmented Generation) and AI Agent workflows using LangChain and CrewAI. 2. Backend Excellence: Scalable microservices built with FastAPI, Python, or NestJS. I focus on high-concurrency, security, and performance. 3. Vector Infrastructure: Implementation of Pinecone, Weaviate, or PGVector for efficient data retrieval. 4. SaaS Architecture: Multi-tenant database design, Stripe subscription logic, and RBAC (Role-Based Access Control). Why work with me? - Speed to MVP: I focus on getting your AI SaaS to market in 3–6 weeks without technical debt. - Product Thinking: I don't just follow tickets; I ask "Why?" to ensure the feature actually drives user value. - Security First: I ensure your AI integrations are prompt-injection resistant and GDPR/SOC2 compliant. TECHNICAL STACK: - AI & LLM: OpenAI API, LangChain, RAG, Prompt Engineering, Vector DBs (Pinecone) - Backend: Python (FastAPI, Django), Node.js (NestJS, Express), Go - Databases: PostgreSQL, MongoDB, Redis, Supabase - Cloud & DevOps: AWS (Lambda, ECS), Docker, GitHub Actions, Vercel - Integrations: Stripe, Auth0, Twilio, HubSpot, Slack API menos -
Contratar sterlingl1
sterlingl1 sterlingl1
$20 USD / hora
AI Full Stack Dev | Python | LLMs | NLP | Next.jsUnited KingdomI'm an AI-focused Full Stack Developer with hands-on experience building intelligent, production-ready applications from end to end. I specialize in integrating Large Language Models (LLMs), NLP pipelines, and Machine Learning into scalable web products - bridging the gap between AI research and real-world...I'm an AI-focused Full Stack Developer with hands-on experience building intelligent, production-ready applications from end to end. I specialize in integrating Large Language Models (LLMs), NLP pipelines, and Machine Learning into scalable web products - bridging the gap between AI research and real-world software. On the 𝗕𝗮𝗰𝗸𝗲𝗻𝗱, I craft robust APIs, data pipelines, and AI services using Python, FastAPI, and LangChain. On the 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱, I deliver clean, performant interfaces with Next.js and TypeScript. Whether you need a smart chatbot, an RAG-powered knowledge base, a data extraction pipeline, or a full-stack SaaS product - I deliver clean code, clear communication, and results you can ship. 𝐖𝐡𝐚𝐭 𝐈 𝐛𝐫𝐢𝐧𝐠 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 : - LLM integration (OpenAI, Gemini, Anthropic, Ollama, open-source models) - NLP pipelines: text classification, summarization, entity extraction, embeddings - Scalable REST & GraphQL APIs with Python - Modern, responsive UIs with Next.js + TypeScript - Vector databases, RAG architectures, and AI agent workflows - Clean, documented, production-grade code - always menos -
Contratar C0RETECHIES
At Core Techies, we've delivered 35+ AI-powered systems since 2023 — from voice agents handling 5000+ daily calls to n8n automation workflows processing 10,000+ transactions monthly. We build AI Agents, Voice Bots, Chat Bots, Automation Systems, and AI SaaS MVPs with a 99% on-time, 97% on-budget track record across...At Core Techies, we've delivered 35+ AI-powered systems since 2023 — from voice agents handling 5000+ daily calls to n8n automation workflows processing 10,000+ transactions monthly. We build AI Agents, Voice Bots, Chat Bots, Automation Systems, and AI SaaS MVPs with a 99% on-time, 97% on-budget track record across 200+ projects. 🔊 Voice AI — We build AI voice agents using VAPI, Retell AI, Twilio, Eleven Labs and Deepgram for inbound/outbound call handling, appointment booking, lead qualification, and customer support. Integrates with CRMs, Google Sheets, and booking systems. ⚡ AI Automation & Workflows — End-to-end business process automation using n8n, Make.com (Integromat), and Zapier integrated with DeepSeek, OpenAI GPT-5 (ChatGPT), Anthropic's Claude, and Google's Gemini. We automate Marketing workflows, Sales workflows, Operation workflows, HR Onboarding, Invoice Processing and Customer Support Triage etc. 🔥 AI Agents — Custom AI agents for 24/7 customer engagement, sales qualification, document processing, and internal operations. Built with LangChain, CrewAI, and OpenAI function calling. 🔌 AI Integrations — We integrate AI capabilities into your existing tech stack — CRMs, ERPs, e-commerce platforms, mobile apps. DeepSeek, OpenAI GPT-5 (ChatGPT), Anthropic's Claude, and Google's Gemini API integrations with your business systems. 🚀 AI SaaS MVPs — Full AI-native product development from concept to launched MVP in under 30 days. RAG systems, AI chatbots, AI-powered dashboards, and AI SaaS applications. Scalable and production-ready. menos
