Hire the Best React.js Developers
in the United Kingdom

Clients rate our React.js developers
Rating is 4.8 out of 5.
4.8/5
Based on 346 client reviews
Waj A.

Manchester, United Kingdom

$20/hr
5.0
8 jobs

⭐ Full Stack Developer | React, Node.js, Python, API Integrations & AI-Powered Apps ⭐ AI Engineer & Automation Specialist | OpenAI, Claude API, Twilio, SaaS Systems ⭐ Senior Full Stack Engineer | Next.js, TypeScript, Microservices & Scalable Apps 👋 𝐇𝐢 𝐈'𝐦 𝐖𝐚𝐣 I have worked across multiple roles including Full Stack Developer, AI Engineer, and Backend/Automation Specialist, building scalable SaaS platforms, AI-powered applications, and API-driven systems that are designed for real-world use and long-term growth. I help startups and businesses turn ideas into production-ready products by combining modern web development with AI integration, automation workflows, and scalable system architecture. 💡𝐖𝐡𝐚𝐭 𝐈 𝐇𝐞𝐥𝐩 𝐘𝐨𝐮 𝐀𝐜𝐡𝐢𝐞𝐯𝐞 ✔ Launch MVPs and validate ideas quickly ✔ Build scalable SaaS platforms and dashboards ✔ Develop AI-powered applications and automation systems ✔ Integrate APIs, CRMs, and third-party services ✔ Optimize performance, architecture, and user experience I focus on delivering business outcomes, not just writing code. 💻 Full Stack Development (SaaS & Web Applications) I design and develop modern, scalable applications using: Frontend Development : React.js, Next.js, Angular, TypeScript, JavaScript (ES6+), Redux, Tailwind CSS, Material UI (MUI), Chakra UI, ShadCN UI, HTML5, CSS3, HTML, CSS, Vue.js, Backend Development : Node.js, Express.js, Python (Django, FastAPI), REST APIs, GraphQL APIs, API Development & API Integration Architecture: Microservices, Serverless Architecture, Event-Driven Systems, Scalable SaaS Platforms 🤖 AI Engineering & Automation Systems I build AI systems that integrate directly into real business workflows: ✔ OpenAI, ChatGPT, Claude API, OpenClaw ✔ RAG pipelines, LangChain workflows ✔ AI chatbots, voice assistants, conversational AI ✔ AI agents & agentic workflows ✔ Automation systems using n8n, Make, Zapier ⚙️ Backend, APIs & Cloud Integration ✔ API-driven systems & third-party integrations ✔ CRM integrations, webhooks, data pipelines ✔ Twilio (SMS, Voice), WhatsApp API ✔ Stripe payments & subscription systems ✔ Secure authentication & scalable backend logic ☁️ Cloud & DevOps AWS (EC2, S3, Lambda), GCP, Vercel, Docker, CI/CD pipelines, GitHub Actions, cloud deployment, monitoring & scaling 🗄️ Databases & Realtime Systems PostgreSQL, MongoDB, MySQL, Firebase, Supabase, Redis, Vercel ✔ Real-time applications (WebSockets, live dashboards, chat systems) ✔ Background jobs, queues, cron systems 🧠 Why Clients Work With Me ✔ Strong product mindset (not just development) ✔ Scalable architecture built for growth ✔ Clean, maintainable, production-ready code ✔ Clear communication and reliable delivery ✔ Experience across SaaS, AI, and automation systems 🌍 Experience Across Industries SaaS • Fintech • Healthcare • EdTech • E-commerce • Real Estate • Logistics • Enterprise Systems 🚀 What You Can Expect ⭐ Scalable, production-ready applications ⭐ AI-powered features that add real value ⭐ Fast, optimized, and reliable systems ⭐ Long-term support and collaboration 🤝 Getting Started I’m open to: ✔ MVP builds and pilot projects ✔ AI automation systems ✔ Backend/API development ✔ Full product development 📩 Let’s Build Something Scalable If you're looking for a developer who understands Full Stack systems, AI integration, and scalable architecture, I can help you build a product that performs, scales, and delivers real results. 🔑 Keywords: Full Stack Developer • React.js • Next.js • Angular • Node.js • Express.js • Python • Django • FastAPI • TypeScript • JavaScript • MongoDB • PostgreSQL • MySQL • Firebase • Supabase • Redis • REST API • GraphQL • API Integration • SaaS Development • MVP Development • Web Application Development • AI Integration • OpenAI • ChatGPT • Claude API • OpenClaw • LLM • LangChain • RAG • AI Agents • AI Chatbots • Automation • n8n • Make • Zapier • Microservices • Serverless Architecture • AWS • GCP • Docker • CI/CD • DevOps • Real-Time Applications • WebSockets • Stripe • Twilio • WhatsApp API • Scalable Systems • Cloud Deployment • Performance Optimization • ShadCN UI • Material UI • Chakra UI • Enterprise Applications Next.js 14 (App Router) • Cursor Agent • Claude Code • Supabase RLS • Prisma • AWS S3 Presigned URLs • Audit Logging • Multi-tenant Isolation • Mercado Pago • Transbank • OwnerRez API • Resideo API • PWA • Playwright • Jest • Serverless API Integration • Fixed-Price MVP

  • React
  • JavaScript
  • Full-Stack Development
  • Node.js
  • TypeScript
  • Python
  • Next.js
  • Artificial Intelligence
  • Machine Learning
  • AI Chatbot
  • API
  • AI Agent Development
  • Web Application
  • Web Development
  • AI App Development
  • API Integration
  • Natural Language Processing
  • AI Development
  • OpenAI API
Kishan G.

Ilford, United Kingdom

$20/hr
4.5
18 jobs

𝐌𝐨𝐬𝐭 𝐚𝐩𝐩𝐬 𝐰𝐨𝐫𝐤 𝐟𝐢𝐧𝐞… 𝐮𝐧𝐭𝐢𝐥 𝐫𝐞𝐚𝐥 𝐮𝐬𝐞𝐫𝐬 𝐬𝐭𝐚𝐫𝐭 𝐮𝐬𝐢𝐧𝐠 𝐭𝐡𝐞𝐦. That’s when backend decisions actually matter. Poorly structured APIs and weak logic don’t just cause bugs - they cost you money and users. I am a 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with over 7 years of experience building high-performance backends in 𝐋𝐚𝐫𝐚𝐯𝐞𝐥, 𝐏𝐇𝐏, 𝐚𝐧𝐝 𝐍𝐨𝐝𝐞.𝐣𝐬, paired with seamless 𝐑𝐞𝐚𝐜𝐭 and 𝐌𝐨𝐛𝐢𝐥𝐞 frontends. I don’t just "write code"; I build stable, secure, and scalable systems designed to handle growth from day one. 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐈 𝐏𝐫𝐨𝐯𝐢𝐝𝐞: - 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐚𝐥 𝐄𝐱𝐜𝐞𝐥𝐥𝐞𝐧𝐜𝐞: Specialized in building robust backend systems with Node.js and Laravel. I focus on clean code, design patterns, and logic that stays stable under heavy loads. - 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐀𝐏𝐈 𝐃𝐞𝐬𝐢𝐠𝐧: I develop secure RESTful APIs and third-party integrations (Stripe, Razorpay, Twilio, CRM/ERP) that ensure your web and mobile apps communicate flawlessly. - 𝐒𝐚𝐚𝐒 & 𝐌𝐕𝐏 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: SaaS & MVP Development: From database schema design (PostgreSQL, MongoDB) to full-scale deployment, I help founders launch MVPs that are production-ready, not just prototypes. - 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧: I fix bottlenecks, optimize slow queries, and restructure legacy codebases to improve speed and reduce server costs. 𝐌𝐲 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ❖ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 - 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: Node.js (Express), PHP (Laravel). - 𝐃𝐚𝐭𝐚: PostgreSQL, MySQL, MongoDB, Supabase, Redis. - 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞: AWS, Docker, CI/CD pipelines, Microservices. ❖ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 & 𝐌𝐨𝐛𝐢𝐥𝐞 - 𝐖𝐞𝐛: React.js, Next.js, TypeScript, Tailwind CSS. - 𝐌𝐨𝐛𝐢𝐥𝐞: Flutter, React Native, Mobile App Architecture. 𝐖𝐡𝐲 𝐅𝐨𝐮𝐧𝐝𝐞𝐫𝐬 & 𝐓𝐞𝐜𝐡 𝐋𝐞𝐚𝐝𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞: I operate as a technical partner, not just a freelancer. I prioritize 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐥𝐨𝐠𝐢𝐜 𝐚𝐧𝐝 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐦𝐚𝐢𝐧𝐭𝐚𝐢𝐧𝐚𝐛𝐢𝐥𝐢𝐭𝐲. My goal is to deliver a codebase that is so clean and well-documented that your team can scale it easily for years to come. - 𝐒𝐲𝐬𝐭𝐞𝐦-𝐅𝐢𝐫𝐬𝐭 𝐓𝐡𝐢𝐧𝐤𝐢𝐧𝐠: I look at the big picture - security, scalability, and UX - before touching the keyboard. - 𝐒𝐞𝐧𝐢𝐨𝐫 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: With 7+ years in the industry, I’ve seen (and fixed) almost every common scaling issue. - 𝐓𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: You get realistic timelines and clear, direct updates on your project's health. 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐛𝐮𝐢𝐥𝐝 𝐚 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐭𝐡𝐚𝐭 𝐰𝐨𝐧'𝐭 𝐛𝐫𝐞𝐚𝐤? Click the "Invite" or "Hire" button, and let’s discuss your technical architecture. Full Stack Developer, Backend Engineer, Laravel Developer, PHP Expert, Node.js Developer, Express.js, React.js, Next.js, API Development, REST API, SaaS Architecture, Mobile App Development, Flutter, React Native, Database Design, PostgreSQL, MySQL, MongoDB, Supabase, Payment Integration, Stripe Expert, Stripe Connect, Razorpay, Web Performance, AWS, Docker, CI/CD, Microservices, Scalable Web Applications, Software Architecture, Clean Code, TypeScript.

  • React Native
  • React
  • Laravel
  • PHP
  • Web Development
  • API Integration
  • Node.js
  • Back-End Development
  • Front-End Development
  • Mobile App Development
  • OpenAPI
  • Web Application
  • CodeIgniter
  • Next.js
  • iOS
Aqeel Abbas R.

Redditch, United Kingdom

$50/hr
4.9
28 jobs

I build AI-powered SaaS products and MVPs using LLMs, Next.js, and Node.js, focused on turning ideas into real, scalable, production-ready applications. My focus is on building clean, reliable systems that go beyond prototypes, delivering products that are structured, performant, and ready for real users and growth. What I build: • AI SaaS applications and MVPs • LLM-based systems (chatbots, AI assistants, automation workflows) • Full-stack web applications and dashboards • Backend APIs and scalable system architectures • Admin panels and internal business tools Core expertise: • LLM integrations using OpenAI / Gemini APIs • AI application development and workflow automation • Full-stack development with Next.js and Node.js • Frontend development with React and TypeScript • Pixel-perfect UI/UX implementation from Figma designs • Backend APIs, authentication, and business logic • PostgreSQL database design and optimization • Deployment and production setup (Vercel, Railway, CI/CD) My Approach I focus on clarity, performance, and long-term maintainability. Every product I build is: • Fast and optimized for real-world usage • Structured to scale without rewrites • Cleanly architected for maintainability • Delivered with production readiness in mind I also ensure Figma designs are translated into pixel-perfect, responsive, production-grade UI/UX, with strong attention to detail and usability. My Experience I’ve worked with founders and small teams to: • Build SaaS dashboards and workflow platforms • Add AI-powered features to existing products • Improve performance and stability in live systems • Deliver MVPs quickly for validation and launch If you’re building an AI SaaS product, MVP, or modern web application and need someone who can take ownership from idea to deployment, I can help you build it efficiently and correctly.

  • Responsive Design
  • React
  • JavaScript
  • TypeScript
  • Next.js
  • Front-End Development
  • Full-Stack Development
  • SaaS Development
  • Web Development
  • Web Application
  • Web Design
  • GraphQL
  • GitHub Copilot
  • GitHub
  • Node.js
  • Laravel
  • Vue.js
Muhammad A.

Hounslow, United Kingdom

$20/hr
5.0
4 jobs

Hello, If you’re looking for an expert 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 specializing in 𝗠𝗘𝗥𝗡 𝗦𝘁𝗮𝗰𝗸 and 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 for building high-performance web and mobile applications, you’re in the right place. My approach focuses on delivering 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗺𝗮𝗶𝗻𝘁𝗮𝗶𝗻𝗮𝗯𝗹𝗲, 𝗮𝗻𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 that meet business goals and provide seamless user experiences. I have 8+ years of experience, enabling me to launch cross-platform mobile apps with 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 (𝗶𝗢𝗦 & 𝗔𝗻𝗱𝗿𝗼𝗶𝗱), build data-driven web applications using the 𝗠𝗘𝗥𝗡 𝘀𝘁𝗮𝗰𝗸 (𝗠𝗼𝗻𝗴𝗼𝗗𝗕, 𝗘𝘅𝗽𝗿𝗲𝘀𝘀, 𝗥𝗲𝗮𝗰𝘁, 𝗡𝗼𝗱𝗲.𝗷𝘀), 𝗱𝗲𝘃𝗲𝗹𝗼𝗽 𝗥𝗘𝗦𝗧/𝗚𝗿𝗮𝗽𝗵𝗤𝗟 𝗔𝗣𝗜𝘀, 𝗺𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀, 𝗮𝗻𝗱 𝗯𝗮𝗰𝗸𝗲𝗻𝗱 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀, integrate AI/LLM features, automation pipelines, and third-party services, and deploy cloud-ready solutions on AWS, GCP, or serverless environments. I offer 𝗳𝗹𝗲𝘅𝗶𝗯𝗹𝗲 𝗲𝗻𝗴𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗺𝗼𝗱𝗲𝗹𝘀, including proof-of-concept (POC) phases to validate architecture before full-scale development. I am available 𝗳𝘂𝗹𝗹-𝘁𝗶𝗺𝗲 𝗼𝗿 𝗽𝗮𝗿𝘁-𝘁𝗶𝗺𝗲 across 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝘁𝗶𝗺𝗲 𝘇𝗼𝗻𝗲𝘀, ensuring clear communication and daily progress updates. 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 𝗙𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸: Building web and mobile apps end-to-end 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js (web) and React Native (mobile) 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js + Express (MERN) 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: MongoDB (MERN) and optional relational DBs 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀: AWS/GCP/Serverless for production deployment 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: Integrating LLM/AI features into applications 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿: - Scalable, production-ready web and mobile applications - REST/GraphQL APIs, microservices, and backend workflows - Cross-platform mobile apps with React Native (iOS & Android) - AI/LLM feature integration and automation pipelines - Cloud deployment with CI/CD and monitoring for stable performance 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲: - 8+ years of real-world experience building full-stack applications - Clear communication with daily updates - Flexible engagement: full-time, part-time, or project-based - Proven track record of scalable, maintainable, and efficient apps - End-to-end support from architecture to deployment 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗜𝗻: - SaaS platforms, dashboards, and analytics tools - E-commerce & marketplaces - AI-powered web and mobile applications - Internal tools, CRMs, and automation platforms 𝗟𝗲𝘁’𝘀 𝗧𝘂𝗿𝗻 𝗬𝗼𝘂𝗿 𝗜𝗱𝗲𝗮𝘀 𝗜𝗻𝘁𝗼 𝗛𝗶𝗴𝗵-𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀! Whether you need a 𝘄𝗲𝗯 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺, 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽, 𝗼𝗿 𝗔𝗜-𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻, I’m here to deliver scalable, maintainable, and production-ready results. Send me a 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 today, and let’s discuss how we can 𝗯𝗿𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝘁𝗼 𝗹𝗶𝗳𝗲 𝗲𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁𝗹𝘆 𝗮𝗻𝗱 𝗲𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲𝗹𝘆.

  • React Native
  • React
  • Full-Stack Development
  • Front-End Development
  • Back-End Development
  • Web Development
  • Web Application Development
  • App Development
  • Mobile App Development
  • Node.js
  • NestJS
  • TypeScript
  • HTML5
  • iOS Development
  • MERN Stack
Venura M.

London, United Kingdom

$18/hr
5.0
10 jobs

Hi, I’m a Full Stack Developer with experience building modern web and mobile applications using Next.js, React.js, Node.js, Express.js, MongoDB, Firebase, React Native, Laravel, and MySQL. I enjoy helping startups and businesses turn their ideas into fast, reliable, and user-friendly applications. I’ve worked on SaaS platforms, custom business systems, mobile apps, dashboards, REST APIs, ecommerce solutions, and AI-powered features. I focus on writing clean, maintainable code and building applications that are responsive, scalable, and easy to use. I believe good communication and reliability are just as important as technical skills. Whether you need an MVP, a complete full-stack application, or long-term development support, I’d be happy to help with your project.

  • React Native
  • React
  • JavaScript
  • Next.js
  • Node.js
  • ExpressJS
  • MongoDB
  • Firebase
  • Laravel
  • MySQL
  • Full-Stack Development
  • Web Application Development
  • API Integration
  • RESTful API
  • Front-End Development
  • Back-End Development
  • SaaS Development
  • AI Chatbot
  • OpenAI API
  • Mobile App Development
Dawood T.

London, United Kingdom

$25/hr
5.0
2 jobs

Specialized in AI Agents, RAG & AI Automation - AI Engineer Focused on Production-Ready AI Systems - Specialized in AI Agents, RAG Pipelines & Generative AI Applications - Full Stack Development, Backend, Frontend, APIs & Cloud Deployment - Building Scalable AI Products for Startups & Businesses Hey, I'm Dawood Tahir. I'm a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗔𝗜/𝗠𝗟 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with expertise in Generative AI, AI Agents, RAG Pipelines, LLM Fine-Tuning, and scalable web applications. I specialize in building high-performance AI-powered systems that automate workflows, improve business operations, and deliver real-world impact. From AI SaaS platforms and intelligent chatbots to automation systems and production-grade backend architectures, I build complete end-to-end solutions designed to scale. My work helps startups and businesses launch AI-powered products faster with reliable infrastructure, optimized performance, and modern user experiences. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 𝗕𝗲𝘀𝘁 ➡️ 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝘃𝗲 𝗔𝗜 & 𝗟𝗟𝗠 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 – AI Agents & Autonomous Workflows – RAG Pipelines & Knowledge Base Systems – LLM Fine-Tuning (LoRA / QLoRA) – OpenAI, Claude, Gemini & Hugging Face Integration – LangChain & Multi-Agent Architectures – AI Chatbots & Smart Assistants – Prompt Engineering & AI Automation ➡️ 𝗔𝗜 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 – n8n, Make .com & Zapier Automation – GoHighLevel (GHL) CRM Automation – HubSpot & Salesforce Integrations – Monday .com Workflow Automation – AI CRM & Business Process Automation – VAPI & Voice AI Agent Integrations – WhatsApp, Gmail & Notion Automations – AI-Powered Lead Management Systems – API-Based Automation Workflows – Multi-Step Intelligent Agent Workflows ➡️ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – End-to-End AI SaaS Application Development – React.js, Next.js, Node.js & FastAPI – Secure REST APIs & GraphQL APIs – Authentication, RBAC & Third-Party Integrations – Scalable Backend Infrastructure – Real-Time Dashboards & Analytics Systems ➡️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗖𝗹𝗼𝘂𝗱 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 – Python, FastAPI & Node.js – AWS (EC2, Lambda, S3, CloudFront) – Docker, Kubernetes & CI/CD Pipelines – Microservices & Production Deployment – Performance Optimization & System Scaling ➡️ 𝗢𝗖𝗥 & 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝘁 𝗗𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 – OCR for PDFs, Invoices & Documents – Intelligent Text Extraction Systems – Automated Document Processing Pipelines – AI-Based Workflow Automation ➡️ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 & 𝗩𝗲𝗰𝘁𝗼𝗿 𝗦𝗲𝗮𝗿𝗰𝗵 – PostgreSQL, MongoDB & MySQL – Pinecone, FAISS & Vector Databases – High-Speed Semantic Retrieval Systems 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 ✔️ Production-Ready AI Solutions - Built for real users, real traffic & real business needs ✔️ Full Stack Expertise - AI, Backend, Frontend & Deployment under one roof ✔️ Business-Focused Development - Systems designed for scalability & long-term growth ✔️ Clean Communication & Reliable Delivery ✔️ Long-Term Technical Partnership & Support 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 AI Startups | SaaS | Healthcare | Fintech | E-commerce | Real Estate | Education | Productivity Tools | Recruitment | Logistics | Automation Platforms | Customer Support | Data Analytics | Document Processing | Business Intelligence Have an AI project in mind? Whether you need an AI Agent, RAG system, chatbot, automation workflow, SaaS platform, or full-scale AI-powered application, I can help you design, build, and launch it successfully. Message me today to discuss your project and get started. AI Engineer, Generative AI Developer, AI Agent Developer, AI Automation Expert, Workflow Automation, n8n, Make .com, Zapier, GHL Automation, HubSpot Integration, Salesforce Automation, Monday .com Automation, RAG Pipeline Expert, LangChain Developer, OpenAI Integration, Claude API, Gemini AI, Hugging Face, Python Developer, FastAPI Developer, Full Stack AI Engineer, AI SaaS Development, Machine Learning Engineer, NLP Engineer, Vector Database Expert, Pinecone, FAISS, React.js Developer, Next.js Developer, Node.js Developer, Backend API Development, GraphQL APIs, REST APIs, AWS Cloud Engineer, Docker, Kubernetes, CI/CD Pipelines, PostgreSQL, MongoDB, OCR Solutions, AI Chatbot Development, Smart Assistants, Prompt Engineering, CRM Automation, VAPI AI, Voice AI Agents, AI Workflow Automation, Business Process Automation

  • React
  • Artificial Intelligence
  • Machine Learning
  • CI/CD
  • MLOps
  • n8n
  • CRM Automation
  • Zapier
  • Chatbot Development
  • AI Agent Development
  • Generative AI
  • Large Language Model
  • Retrieval Augmented Generation
  • Python
  • FastAPI
  • REST API
  • MERN Stack
  • Full-Stack Development
  • Automation
  • Node.js

How it works

Post a job for free Post a job

Tell us what you need. Create your own job post or generate one with AI then filter talent matches.

Hire top talent fast

Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.

Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

Payment simplified

Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.

Don't just take our word for it

Resources to help you hire

Cost to hire a React.js Developer

Cost to hire a React.js Developer

Explore typical React.js Developer rates and what businesses pay to hire top talent.

React.js Developer job description template

React.js Developer job description template

Get tips to write a job post that attracts qualified React.js developers.

React.js Developer interview questions

React.js Developer interview questions

Top interview questions to help you hire the right React.js developers, faster.

How do I hire a React.js Developer in the United Kingdom on Upwork?

You can hire a React.js Developer in the United Kingdom on Upwork in four simple steps:

  • Create a job post tailored to your React.js Developer project scope. We'll walk you through the process step by step.
  • Browse top React.js Developer talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top React.js Developer profiles and interview.
  • Hire the right React.js Developer for your project from Upwork, the world's largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a React.js Developer?

Rates charged by React.js Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a React.js Developer in the United Kingdom on Upwork?

As the world's work marketplace, we connect highly-skilled freelance React.js Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream React.js Developer team you need to succeed.

Can I hire a React.js Developer in the United Kingdom within 24 hours on Upwork?

Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive React.js Developer proposals within 24 hours of posting a job description.