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in the United Kingdom

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Rating is 4.8 out of 5.
4.8/5
Based on 980 client reviews
Waj A.

Manchester, United Kingdom

$20/hr
5.0
11 jobs

Full Stack Developer | AI Engineer building RAG & LLM systems | AI Voice Agent | Backend developer I build production-grade SaaS platforms, AI systems, and full-stack web applications from architecture to deployment. Over 7+ years and 57+ delivered projects, I've worked as a Full Stack Developer, AI Engineer, and SaaS Developer for startups and growing businesses that need software built to scale, not just to demo. Why should you hire me as your Full Stack Developer & AI Engineer? ๐Ÿ† 7+ years building web applications and SaaS platforms with React, Next.js, and Node.js โœ… 25+ AI systems delivered RAG pipelines, LLM-powered chatbots, and voice AI agents using Retell AI, Voiceflow, LlamaIndex, and Pinecone โœ… Full Stack Developer for SaaS dashboards, CRMs, and multi-tenant platforms backend built on NestJS, Node.js, and Express, frontend in React/Next.js โœ… AI Engineer for RAG and NLP systems vector search, semantic retrieval, and voice/text agents using ElevenLabs, AssemblyAI, and OpenAI/Claude APIs โœ… 100% Job Success Score on Upwork across 8+ contracts, Top Rated โœ… Delivered AI voice agents and RAG-based chatbots that automate real client-facing workflows from lead qualification calls to support ticket handling built to run reliably in production, not just as a demo โœ… End-to-end ownership: system architecture, database design, API integration, cloud deployment (AWS/GCP), and post-launch support My stack: โœ”๏ธ Frontend React, Next.js, React Native, Vue.js, Angular, Flutter, HTML, HTML5, CSS, CSS3, Bootstrap, Tailwind CSS, jQuery, Responsive Design, Web Design, Web Application Development โœ”๏ธ Backend Node.js, Express.js, NestJS, Python, Django, FastAPI, PHP, Laravel, CodeIgniter, RESTful APIs, GraphQL, API Integration, Software Architecture & Design โœ”๏ธ Database PostgreSQL, MySQL, MongoDB, SQL, Redis, Supabase, Firebase, Database Architecture โœ”๏ธ AI/LLM OpenAI (GPT), ChatGPT, Claude, Gemini, LangChain, LangGraph, Vercel AI SDK, MCP, CrewAI, LlamaIndex, Pinecone, Retell AI, Voiceflow, ElevenLabs, AssemblyAI, Artificial Intelligence, Machine Learning, NLP, Neural Networks, Computer Vision, Data Science, Bot Development, AI Chatbots, AI Agents, AI Automation โœ”๏ธ AI-Assisted Dev Cursor, Claude Code, Lovable, Bolt.new, v0.dev, Replit Agent, GitHub Copilot โœ”๏ธ Automation & Integrations Make, n8n, Zapier, HubSpot, Salesforce, Airtable, Slack, Twilio, WhatsApp Business API, Webhooks โœ”๏ธ Infrastructure AWS, GCP, Azure, Docker, Kubernetes, CI/CD, GitHub Actions, Serverless Architecture โœ”๏ธ Security & Compliance OAuth, JWT, IAM, RBAC, HIPAA, HL7, FHIR If you're looking for a Full Stack Developer or AI Engineer who can take an AI product or SaaS platform from concept to a stable, scalable production system let's talk about what you're building. React Developer, React Native, React js, React Native Developer, React Node, React Redux, React Js Developer, React Native expert, React angular, React Front end, Full Stack Developer, Full Stack Web Developer, Full Stack Wordpress Developer, Full Stack Web, Full Stack Development, Full Stack Php, Full Stack php Developer, Full Stack WordPress, Full Stack Web Development, Python Full Stack Developer, Python full stack developer Django, Senior full stack developer. Full-Stack Development React JavaScript HTML5 CSS 3 CSS PHP Bootstrap Vue.js HTML WordPress jQuery Python Software Architecture & Design Full-Stack Development Laravel MySQL Software Development Database Architecture API Web Application API Integration Tailwind CSS CodeIgniter SQL Angular RESTful API MongoDB React Native TypeScript Node.js ExpressJS Angular SQL Database Back-End Development AI Chatbot Chatbot Development ManyChat Chatbot Artificial Intelligence Machine Learning Neural Network Computer Vision MySQL Bot Development Natural Language Processing Data Science React PHP Node.js ExpressJS Laravel PostgreSQL SQL MySQL MongoDB Git Angular RESTful API API Integration Database Backend Development Express MongoDB TypeScript ExpressJS React Node.js MySQL MongoDB Vue.js Angular PostgreSQL Redis Firebase Supabase

  • API Integration
  • Web Application
  • React
  • Node.js
  • Artificial Intelligence
  • Full-Stack Development
  • AI Agent Development
  • TypeScript
  • Python
  • PostgreSQL
  • ExpressJS
  • Next.js
  • JavaScript
  • AI Chatbot
  • Natural Language Processing
  • AI Development
  • AI App Development
  • API
  • Git
  • Amazon Web Services
Noor H.

Perth, United Kingdom

$15/hr
4.8
140 jobs

Your website should do more than exist. It should become your ๐›๐ž๐ฌ๐ญ ๐ฌ๐š๐ฅ๐ž๐ฌ๐ฉ๐ž๐ซ๐ฌ๐จ๐ง. With over 15 years of experience in WordPress development, I've helped startups, agencies, and established businesses build websites that are fast, scalable, and designed to support real business growth. I'm proud to hold a ๐Ÿ๐ŸŽ๐ŸŽ% ๐‰๐จ๐› ๐’๐ฎ๐œ๐œ๐ž๐ฌ๐ฌ ๐’๐œ๐จ๐ซ๐ž and the ๐“๐จ๐ฉ ๐‘๐š๐ญ๐ž๐ badge on Upwork, reflecting my commitment to quality, communication, and delivering projects clients can rely on. Some of the projects I've worked on include Future Dot Now, MJT Cleaning Services, and many other websites across industries such as professional services, facility management, technology, healthcare, and eCommerce. Whether it's a custom WordPress website, WooCommerce store, or ongoing development support, I focus on building solutions that are easy to manage and built to last. When I'm not building websites, you'll usually find me writing poetry. It keeps my creative side sharp and reminds me that great work is all about the details. I bring that same attention and thoughtfulness into every project I take on. If you're planning a new website or looking to improve an existing one, let's start with a conversation. ๐๐จ๐จ๐ค ๐š ๐Ÿ๐ซ๐ž๐ž ๐œ๐จ๐ง๐ฌ๐ฎ๐ฅ๐ญ๐š๐ญ๐ข๐จ๐ง ๐œ๐š๐ฅ๐ฅ with no obligation, and we'll discuss your goals, explore the best approach, and see if we're the right fit to work together.

  • PHP
  • WordPress Theme
  • WordPress Plugin
  • WordPress
  • Shopify
  • PSD to WordPress
  • Ecommerce Website Development
  • AngularJS
  • Figma
  • WordPress Multisite
  • WordPress Development
  • WordPress Website
  • WordPress Customization
  • WordPress Website Design
  • Website Builder
  • Elementor
  • Divi
  • Page Builder
  • On-Page SEO
  • WordPress Optimization
Atif M.

Birmingham, United Kingdom

$20/hr
5.0
1 jobs

Full Stack Developer | Full Stack SaaS Developer| Full Stack MERN Developer| API Developer| ReactJS Developer| Full Stack Engineer| Full Stack Web Developer | Backend Database Development | Python Developer Hello, Iโ€™m Atif, a results driven Senior Full Stack & SaaS Developer with over ๐Ÿ“ ๐ฒ๐ž๐š๐ซ๐ฌ of experience delivering scalable, high performance web applications, SaaS platforms, and backend systems. I specialize in JavaScript and Python and bring deep expertise in modern frameworks, cloud platforms, and DevOps practices to ensure robust, production-ready solutions. I focus on engineering complete products, from architecture and backend systems to frontend web applications, with clean, maintainable code and long-term scalability. My work ensures platforms are secure, performant, and easy to extend as business logic and users grow. ๐ŸŽฏ ๐‚๐จ๐ซ๐ž ๐’๐ฉ๐ž๐œ๐ข๐š๐ฅ๐ข๐ณ๐š๐ญ๐ข๐จ๐ง๐ฌ โœ” Frontend: React.js, Next.js, Vue.js โœ” Backend: Node.js, Express.js, Django, FastAPI, Flask โœ” Databases: MongoDB, PostgreSQL, MySQL, Firebase, Redis โœ” Cloud & DevOps (AWS): Lambda, Step Functions, S3, EC2, CloudWatch, SQS, SNS, API Gateway, CodeCommit ๐Ÿ’ผ ๐„๐ฑ๐ฉ๐ž๐ซ๐ญ๐ข๐ฌ๐ž & ๐ƒ๐ž๐ฅ๐ข๐ฏ๐ž๐ซ๐š๐›๐ฅ๐ž๐ฌ โ–ซ๏ธ Full Stack Web Applications (MERN & custom stacks) (MERN Developer) โ–ซ๏ธ Scalable SaaS Platforms & Multi-Tenant Architecture (SaaS Developer) โ–ซ๏ธ REST API Development & Backend Systems (API Developer) โ–ซ๏ธ ReactJS Web Interfaces & Cross-Platform Integrations (React Native Developer) โ–ซ๏ธ Admin Dashboards & Internal Tools โ–ซ๏ธ Subscription & Role-Based Systems โ–ซ๏ธ Third-Party & Payment Integrations โ–ซ๏ธ Database Design, Optimization & Secure Data Handling โ–ซ๏ธ Performance & Security Optimization I follow a structured development approach: understanding requirements clearly, designing scalable architectures, writing maintainable code, optimizing APIs, and ensuring long-term support readiness. I work both on new builds and existing codebases, improving functionality, fixing issues properly, and scaling systems without breaking production. ๐Ÿ’ก ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ ๐€๐ฉ๐ฉ๐ซ๐จ๐š๐œ๐ก โœ” Clear requirement analysis โœ” Scalable architecture planning โœ” Clean, maintainable code โœ” API-first backend design โœ” Performance optimization โœ” Long-term support readiness ๐Ÿ“Œ ๐–๐ก๐จ ๐‡๐ข๐ซ๐ž๐ฌ ๐Œ๐ž Clients come to me when they need: โ–ซ๏ธ A web-based SaaS product or platform from scratch โ–ซ๏ธ MERN stack web applications โ–ซ๏ธ Robust backend APIs and integrations โ–ซ๏ธ Admin dashboards or internal tools โ–ซ๏ธ Payment gateway and third-party service integrations ๐Ÿš€ ๐‹๐ž๐ญโ€™๐ฌ ๐ญ๐ฎ๐ซ๐ง ๐ฒ๐จ๐ฎ๐ซ ๐ข๐๐ž๐š ๐ข๐ง๐ญ๐จ ๐š ๐ฌ๐œ๐š๐ฅ๐š๐›๐ฅ๐ž, ๐ฌ๐ž๐œ๐ฎ๐ซ๐ž, ๐š๐ง๐ ๐ก๐ข๐ ๐ก-๐ฉ๐ž๐ซ๐Ÿ๐จ๐ซ๐ฆ๐š๐ง๐œ๐ž ๐ฉ๐ฅ๐š๐ญ๐Ÿ๐จ๐ซ๐ฆ. ๐‘๐ž๐š๐œ๐ก ๐จ๐ฎ๐ญ ๐ญ๐จ๐๐š๐ฒ ๐ญ๐จ ๐๐ข๐ฌ๐œ๐ฎ๐ฌ๐ฌ ๐ฒ๐จ๐ฎ๐ซ ๐ฉ๐ซ๐จ๐ฃ๐ž๐œ๐ญ ๐š๐ง๐ ๐ฌ๐ญ๐š๐ซ๐ญ ๐›๐ฎ๐ข๐ฅ๐๐ข๐ง๐  ๐š ๐ฌ๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง ๐ญ๐ก๐š๐ญ ๐ ๐ซ๐จ๐ฐ๐ฌ ๐ฐ๐ข๐ญ๐ก ๐ฒ๐จ๐ฎ๐ซ ๐›๐ฎ๐ฌ๐ข๐ง๐ž๐ฌ๐ฌ! Full Stack Developer, Full Stack SaaS Developer, Full Stack MERN Developer, Full Stack API Developer, Full Stack React.js Developer, Full Stack Engineer, Full Stack Web Developer, Backend Database Development, Full Stack Python Developer, Full Stack Development, Web Application Development, REST API Development, Backend Architecture, Frontend Development, Dashboard Development, Admin Panels, Internal Tools, SaaS Platforms, Subscription Systems, Payment Gateway Integration, Stripe Integration, PayPal Integration, Secure Authentication, Role-Based Access, Multi-Tenant Systems, Database Design, Database Optimization, Query Optimization, MongoDB, MySQL, PostgreSQL, Express.js, Node.js, Laravel, PHP, React.js, Next.js, TypeScript, Tailwind CSS, Material UI, Responsive Design, Pixel-Perfect UI, Component-Based Architecture, SPA Development, SSR Development, Figma-to-React, Third-Party API Integration, Webhooks, Microservices Architecture, Scalable Backend Systems, Performance Optimization, CI/CD, Docker, AWS EC2, AWS S3, AWS Lambda, Cloud Deployment, Serverless Functions, Git Version Control, GitHub, Bitbucket, Jira, Agile Development, Scrum Workflow, System Design, Clean Architecture, Secure & Scalable Applications, Senior Full Stack Developer, React.js Developer, Next.js Developer, Node.js Developer, MERN Stack Developer, SaaS Developer, API Developer, Backend Developer, Laravel Developer, PHP Developer, TypeScript Developer, Redux Developer, Tailwind CSS Developer, Material UI Developer

  • Back-End Development
  • Web Application
  • Artificial Intelligence
  • Mobile App
  • Web Development
  • Mobile App Development
  • UI/UX Prototyping
  • Custom App
  • Amazon
  • Amazon API Gateway
  • Front-End Development
  • Website
Imran L.

London, United Kingdom

$35/hr
5.0
31 jobs

โœจ Senior Full-Stack Developer | 10+ Years Experience โœจ AI-Powered SaaS & MVP Development | Cross-Functional Team Expert โœจ Expert in: Laravel, React, Next.js, Vue, Node.js, AI Integration (OpenAI, Claude), AWS ๐Ÿ… 100% Job Success | Fast, Reliable, and Native in English โšก Agile Development | AI-Assisted Workflows | Performance Optimization | Pixel-Perfect UI/UX Hi, I'm (Imran Latif) a senior full-stack developer with 10+ years of experience building scalable SaaS platforms, AI-powered applications, and enterprise-grade web systems. I help startups and businesses turn ideas into production-ready products using Laravel, PHP, React, Next.js, Node.js, TypeScript, and Vue.js with a strong focus on clean architecture, performance, and long-term maintainability. Over the past decade I've delivered full-stack solutions across SaaS, healthcare, e-commerce, and enterprise sectors building everything from AI chatbots and RAG-powered search to complex API integrations and cloud-deployed microservices. Whether you need a new product built from scratch, an existing application modernized, or backend systems scaled to handle growth, I bring both the engineering depth and the AI-tooling fluency to move fast without cutting corners. ๐“๐ž๐œ๐ก๐ง๐ข๐œ๐š๐ฅ ๐’๐ค๐ข๐ฅ๐ฅ๐ฌ: โœฆ Backend Development: Laravel, PHP, Node.js, Express.js, CodeIgniter, REST APIs, GraphQL, Microservices โœฆ Frontend Development: React, Next.js, Vue.js, Nuxt.js, TypeScript, JavaScript, Tailwind CSS, HTML5, CSS3 โœฆAI & Automation: OpenAI API, Claude API, Gemini API, RAG, LangChain, MCP, AI Agents, Vector Databases, Prompt Engineering, n8n, Make, Zapier โœฆ Database Management: MySQL, PostgreSQL, MongoDB โœฆ Cloud & DevOps: AWS (S3, Lambda, SQS), GCP, Docker, Kubernetes, CI/CD pipelines โœฆ Version Control & Collaboration: Git, GitHub, Bitbucket โœฆ Other Technologies: GraphQL, RESTful APIs, SOAP APIs, JWT, OAuth I also work extensively with modern AI-assisted development workflows Cursor AI, Claude Code, GitHub Copilot, and Antigravity to speed up delivery without sacrificing code quality, and I bring the same rigor to AI-assisted code review, debugging, and automated testing. What I specialize in: โœ” AI-powered web applications & SaaS product development โœ” Laravel & React / Next.js enterprise applications โœ” AI chatbots, LLM integration, and RAG/vector search โœ” API development, third-party integrations & payment gateways โœ” Performance optimization & cloud deployment (AWS) โœ” Microservices architecture & long-term product maintenance If you're looking for a developer who can own a project end-to-end architecture, backend, frontend, and AI integration and communicate clearly throughout, let's talk about what you're building. Full-Stack Developer, AI Developer, AI Engineer, AI Automation Engineer, Laravel Developer, PHP Developer, React Developer, Next.js Developer, Node.js Developer, TypeScript Developer, Vue.js Developer, SaaS Development, AI Integration, OpenAI API, Claude API, Gemini API, LLM, RAG, AI Agents, AI Automation, AI Chatbots, Vector Database, Cursor AI, Claude Code, GitHub Copilot, OpenAI Codex, Windsurf AI, Antigravity AI, Vibe Coding, AI-Assisted Development, AI Code Generation, AI Software Development, REST API, GraphQL, AWS, Docker, PostgreSQL, Supabase, Cloud Development, Enterprise Applications.

  • PHP
  • React
  • Node.js
  • JavaScript
  • Angular
  • Vue.js
  • Docker
  • Laravel
  • Nuxt.js
  • TypeScript
  • Amazon Web Services
  • MongoDB
  • PostgreSQL
  • AI Development
  • Automation
Sean D.

Prestwich, United Kingdom

$60/hr
5.0
6 jobs

Professional WordPress/PHP developer with 7 years agency experience, specialising in custom theme development and ACF. I am a coder - not just a plugin installer or generic theme editor, which means that switching to builders such as Bricks and Elementor is a breeze. In addition I have extensive experience using GSAP to create visually stunning page and element transitions. I build high performance, low carbon footprint websites that are secure, with a strong focus on SEO, core web vitals and page speed optimisation. I'm a great communicator, comfortable project managing projects and liaising with all stakeholders/knowledge levels. I have worked with clients of all sizes, from solo entrepreneurs to global corporations like HSBC and EasyJet, working on all types of web related projects: - Brochure sites - Commerce sites (WooCommerce/Stripe etc) - Animation heavy sites (GSAP) - Booking management portals - Asset/inventory management systems - HTML emails - HTML banners - Speed audits/fixes - Bugfixes - Website Design / UX Improvements I also provide one-to-one training on all aspects of WordPress development. I love using WordPress as a foundation to build almost anything - let's talk about how I can help your business meets it's goals!

  • PHP
  • Web Development
  • WordPress
  • Advanced Custom Fields Plugin
  • WooCommerce
  • HTML
  • JavaScript
  • Theme Development
  • Page Speed Optimization
  • CSS
  • Sass
Kevin C.

Washington, United Kingdom

$35/hr
4.6
26 jobs

I help businesses build scalable, secure, and revenue-generating web applications. With nearly 20 years of professional experience in full stack development, I specialize in custom PHP and Laravel applications, complex API integrations, and high-performing eCommerce systems. If you're looking for a senior developer who can confidently handle both backend architecture and frontend implementation โ€” you're in the right place. What I Can Help You With: โ€ข Custom Laravel Web Applications โ€ข RESTful API Development & Third-Party Integrations โ€ข Payment Gateway Integrations (Stripe, PayPal, Authorize.net, Worldpay) โ€ข WooCommerce & Magento Development โ€ข WordPress Theme & Plugin Development โ€ข Frontend Development (Vue.js, Tailwind CSS, Bootstrap) โ€ข PSD/Figma to Responsive HTML/CSS โ€ข Server Setup & Management (Linux, cPanel/WHM) โ€ข Performance Optimization & System Refactoring Why Clients Work With Me: โ€ข 20+ years real-world experience โ€ข Clean, maintainable, scalable code โ€ข Strong problem-solving ability โ€ข Clear communication โ€ข Reliable delivery & long-term support I donโ€™t just write code โ€” I build systems that support business growth and long-term stability. If you need a dependable senior developer who understands both technical complexity and business impact, letโ€™s discuss your project.

  • PHP
  • jQuery
  • CodeIgniter
  • HTML5
  • CSS 3
  • Laravel
  • JavaScript
  • MySQL
  • Vue.js
  • WordPress
  • Bootstrap
  • WordPress e-Commerce
  • WooCommerce
  • API

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