๐โ๐บ ๐ฎ ๐ฆ๐ฒ๐ป๐ถ๐ผ๐ฟ ๐๐๐น๐น ๐ฆ๐๐ฎ๐ฐ๐ธ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ ๐ต๐ฒ๐น๐ฝ๐ถ๐ป๐ด ๐๐๐ฎ๐ฟ๐๐๐ฝ๐ ๐ฎ๐ป๐ฑ ๐ฏ๐๐๐ถ๐ป๐ฒ๐๐๐ฒ๐ ๐ฏ๐๐ถ๐น๐ฑ, ๐ถ๐บ๐ฝ๐ฟ๐ผ๐๐ฒ, ๐ฎ๐ป๐ฑ ๐๐ฐ๐ฎ๐น๐ฒ ๐ฆ๐ฎ๐ฎ๐ฆ ๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ๐, ๐ ๐ฉ๐ฃ๐, ๐๐-๐ฝ๐ผ๐๐ฒ๐ฟ๐ฒ๐ฑ ๐๐ฒ๐ฏ ๐ฎ๐ฝ๐ฝ๐, ๐บ๐ผ๐ฏ๐ถ๐น๐ฒ ๐ฎ๐ฝ๐ฝ๐น๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป๐, ๐ฑ๐ฎ๐๐ต๐ฏ๐ผ๐ฎ๐ฟ๐ฑ๐, ๐ฝ๐ผ๐ฟ๐๐ฎ๐น๐, ๐ฎ๐ป๐ฑ ๐ฐ๐๐๐๐ผ๐บ ๐๐ผ๐ณ๐๐๐ฎ๐ฟ๐ฒ.
๐ ๐๐ผ๐ฟ๐ธ ๐ฎ๐ฐ๐ฟ๐ผ๐๐ ๐๐ต๐ฒ ๐ณ๐๐น๐น ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐บ๐ฒ๐ป๐ ๐น๐ถ๐ณ๐ฒ๐ฐ๐๐ฐ๐น๐ฒ... ๐ณ๐ฟ๐ผ๐บ ๐ฝ๐น๐ฎ๐ป๐ป๐ถ๐ป๐ด ๐ฎ๐ป๐ฑ ๐ฎ๐ฟ๐ฐ๐ต๐ถ๐๐ฒ๐ฐ๐๐๐ฟ๐ฒ ๐๐ผ ๐ณ๐ฟ๐ผ๐ป๐๐ฒ๐ป๐ฑ, ๐ฏ๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ, ๐๐ฃ๐๐, ๐ฑ๐ฎ๐๐ฎ๐ฏ๐ฎ๐๐ฒ๐, ๐ถ๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐, ๐ฑ๐ฒ๐ฝ๐น๐ผ๐๐บ๐ฒ๐ป๐, ๐ฎ๐ป๐ฑ ๐ผ๐ป๐ด๐ผ๐ถ๐ป๐ด ๐ฝ๐ฟ๐ผ๐ฑ๐๐ฐ๐ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐บ๐ฒ๐ป๐.
๐ ๐ ๐ฐ๐ผ๐ฟ๐ฒ ๐๐๐ฎ๐ฐ๐ธ ๐ถ๐ป๐ฐ๐น๐๐ฑ๐ฒ๐ ๐ฅ๐ฒ๐ฎ๐ฐ๐, ๐ก๐ฒ๐ ๐.๐ท๐, ๐ก๐ผ๐ฑ๐ฒ.๐ท๐, ๐ง๐๐ฝ๐ฒ๐ฆ๐ฐ๐ฟ๐ถ๐ฝ๐, ๐ฃ๐๐๐ต๐ผ๐ป, ๐๐ฎ๐ฟ๐ฎ๐๐ฒ๐น, ๐ฃ๐๐ฃ, ๐๐น๐๐๐๐ฒ๐ฟ, ๐ฅ๐ฒ๐ฎ๐ฐ๐ ๐ก๐ฎ๐๐ถ๐๐ฒ, ๐ฃ๐ผ๐๐๐ด๐ฟ๐ฒ๐ฆ๐ค๐, ๐ ๐๐ฆ๐ค๐, ๐ ๐ผ๐ป๐ด๐ผ๐๐, ๐๐ช๐ฆ, ๐ฎ๐ป๐ฑ ๐๐ถ๐ด๐ถ๐๐ฎ๐น๐ข๐ฐ๐ฒ๐ฎ๐ป.
What I can help you with
๐บSaaS platform development
๐บStartup MVP development
๐บFull Stack web application development
๐บAI-powered web apps and AI SaaS products
๐บOpenAI / Claude / LLM integrations
๐บRAG, AI assistants, chatbots, and intelligent workflows
๐บReact / Next.js frontend development
๐บNode.js / Python / Laravel backend development
๐บAPI development and third-party integrations
๐บAdmin dashboards and customer portals
๐บSubscription billing and Stripe integrations
๐บFlutter and React Native mobile apps
๐บExisting application support, bug fixing, and feature development
๐บCodebase improvements, refactoring, and performance optimization
๐บCloud deployment, Docker, CI/CD, AWS, and DigitalOcean
Iโm comfortable joining projects at different stages.
You may already have an existing SaaS product that needs new features, bug fixes, better architecture, or ongoing development support.
Or you may have an idea, Figma designs, or an early prototype that needs to become a properly built, production-ready MVP.
In both cases, I focus on creating clean, maintainable systems that are easy to extend as the product grows.
Iโve worked on products involving SaaS subscriptions, marketplaces, business dashboards, AI tools, automation platforms, mobile apps, admin systems, payment workflows, APIs, and complex business logic.
I can work independently as a senior developer or bring in support from my development team when a project needs additional frontend, backend, mobile, AI, QA, or DevOps capacity.
My approach is simple: understand what the product actually needs, choose the right architecture, communicate clearly, and keep development moving without unnecessary complexity.
If you need help with a SaaS product, MVP, AI application, web platform, or mobile app, send me your requirements, current stack, or even an existing codebase.
Iโll take a look and tell you how Iโd approach the development, what Iโd prioritize first, and where I can help.
Search me using these keywords:
SaaS Developer, Full Stack Developer, Senior Full Stack Developer, SaaS Development, SaaS MVP Developer, MVP Developer, Startup MVP Developer, AI Developer, AI SaaS Developer, AI Web App Developer, React Developer, Next.js Developer, Node.js Developer, TypeScript Developer, JavaScript Developer, Python Developer, FastAPI Developer, Django Developer, Laravel Developer, PHP Developer, React Native Developer, Flutter Developer, Mobile App Developer, OpenAI Developer, Claude API Developer, LLM Developer, RAG Developer, AI Integration Developer, API Developer, PostgreSQL Developer, MySQL Developer, MongoDB Developer, Stripe Integration Developer, AWS Developer, Web Application Developer, Software Engineer, Product Engineer, Backend Developer, Frontend Developer, Full Stack Engineer.
I help businesses fix, improve, and scale web applications, SaaS platforms, ecommerce systems, APIs, and CRM integrations.
If your app has bugs, broken workflows, slow pages, messy integrations, checkout issues, or a technical backlog that keeps growing, I can help you get it under control and move faster.
My core skills include Laravel, PHP, Vue.js, React, Inertia.js, Node.js, REST APIs, CRM integrations, payment systems, queue systems, web scraping, and third-party automation.
I can help with:
Laravel/PHP bug fixing and feature development
SaaS dashboards, admin panels, and customer portals
ecommerce fixes, checkout flows, and payment integrations
Zoho, CRM, webhook, and API integrations
performance improvements and technical cleanup
internal tools and business automation
ongoing monthly development support
I focus on business outcomes, not just code. That means I care about saving time, reducing manual work, improving reliability, increasing conversions, and helping your system support real growth.
If you need a reliable developer who can understand your business problem, work independently, and deliver clean practical solutions, send me a message and Iโll help you figure out the best next step.
Aqeel R.
AI Automation Expert & AI Agents | Voice AI, Workflow Automation, MCPs
London, United Kingdom
$35/hr$35 per hour4.9 (127) 180 jobs $800K+ total earnings
$800K+ delivered on Upwork across 147 projects with a 100% Job Success Score.
I build AI automation systems and AI agents that run in production, not demos that break in week three.
Voice AI agents that handle real calls. Agentic AI workflows that make decisions instead of just moving data. Claude MCP servers that give your AI safe, scoped access to your actual tools.
Over the last 10 years I have delivered automation and AI projects across multiple industries, helping teams cut 20-40+ hours of manual work per week.
What I build:
--- AI AGENT DEVELOPMENT
- Custom AI agents for support, sales, operations, and internal ops
- Multi-agent and agentic AI systems with tool use and decision logic
- RAG systems: hybrid search, pgvector, reranking, citation-backed answers
- Claude API and OpenAI GPT integrations
- LangChain, LangGraph, CrewAI orchestration
- Evals, logging, and observability so you can prove it works
--- CLAUDE MCP & AI INFRASTRUCTURE
- Custom MCP server development (Model Context Protocol)
- Connecting Claude to your CRM, database, docs, and internal APIs
- Role-based, scoped tool access that passes security review
- Claude Agent SDK builds and long-context document workflows
- Prompt engineering and multi-model routing (Claude + GPT)
--- VOICE AI AGENTS
- Inbound and outbound voice agents with VAPI, Retell AI, and Bland
- ElevenLabs and Deepgram for natural voice and transcription
- Twilio telephony, call routing, and warm transfer to humans
- AI receptionist, lead qualification, appointment booking, and follow-up
- Full CRM write-back so every call updates the pipeline
--- WORKFLOW AUTOMATION
- End-to-end business process automation with n8n, Make, and Zapier
- Custom Python automation when no-code hits its ceiling
- API-first integrations, webhooks, data sync, and enrichment
- Lead generation, outreach, and nurture automation
- Web scraping and data pipelines
- Error handling, retries, and monitoring built in from day one
Send me the workflow that is eating your week, or the AI feature that stalled after launch. I will reply with a practical approach and a realistic scope, not a sales pitch.
Response within an hour. Comfortable across US, EU, and APAC time zones.
AI automation, AI agent development, agentic AI, voice AI agent, AI voice agent, conversational AI, Claude MCP, MCP server, Model Context Protocol, Claude API, Claude AI, OpenAI, GPT, LLM integration, RAG, LangChain, LangGraph, CrewAI, n8n, n8n workflow, n8n AI agent, Make automation, Make scenarios, Make expert, Zapier, workflow automation, business process automation, API integration, webhook automation, Python automation, VAPI, Retell AI, ElevenLabs, Deepgram, Twilio, AI receptionist, AI chatbot, AI SMS bot, appointment booking automation, lead generation automation, CRM automation, HubSpot, GoHighLevel, Salesforce, Pipedrive, Airtable, Notion automation, web scraping, data pipeline, AI consultant, AI developer
Talha B.
Full-Stack MERN Developer | AI Integrations | Mobile Development
Cardiff, United Kingdom
$35/hr$35 per hour5.0 (4) 13 jobs $30K+ total earnings
Expert in Full Stack Development and Cybersecruity
Transform Your Vision into Scalable, High-Performance Secure Applications
Looking to build a cutting-edge web or mobile application? I specialize in MERN Stack Development, AI Integration, and Mobile App Solutions that deliver measurable business results.
๐ฃ๐ฟ๐ผ๐๐ฒ๐ป ๐ฆ๐๐ฐ๐ฐ๐ฒ๐๐:
- Scaled a web application from 1,000 to over 30,000 active users.
- Designed subscription systems that handled millions of transactions.
- Delivered AI-driven platforms that enhanced automation and business intelligence.
๐ช๐ต๐ฎ๐ ๐ ๐๐ฎ๐ป ๐๐ผ ๐ณ๐ผ๐ฟ ๐ฌ๐ผ๐:
- Build robust web applications that scale effortlessly, supporting growth from hundreds to thousands of users.
- Develop AI-powered tools to streamline operations and improve efficiency.
- Create mobile apps for iOS and Android with seamless functionality and user-friendly designs.
- Architect SaaS platforms that process millions of transactions smoothly.
Technical Expertise:
โก๏ธ Frontend: React.js, Next.js, Tailwind CSS
โก๏ธ Backend: Node.js, Express.js, Django, Flask
โก๏ธ Mobile: React Native, Swift, Kotlin
โก๏ธ AI: ChatGPT integration, intelligent automation
โก๏ธ Database: MongoDB, PostgreSQL, Firebase
โก๏ธ Cloud: AWS, Google Cloud
โก๏ธ Cybersecurity: Security Architecture, Vulnerability Assessment, Authentication & Authorization, Data Protection, Secure API Design, Security Auditing
Industries Served:
Iโve helped clients in e-commerce, finance, education, real estate, and more.
Letโs discuss how I can help your business thrive with tailored solutions that deliver real impact.
Please use the following keywords to find me:
Full Stack Developer, MERN Stack Developer, React Developer, Node.js Developer, MongoDB Developer, Express.js Developer, JavaScript Developer, TypeScript Developer, React.js, Node.js, MongoDB, Express.js, RESTful API Developer, GraphQL Developer, Backend Developer, Frontend Developer, Mobile App Developer, Flutter Developer, Flutter Expert, Dart Developer, Cross-Platform Mobile Development, Hybrid Mobile Apps, Android Development, iOS App Development, App Development, App UI/UX Design, App Prototyping, Native App Development, Mobile App Development, Mobile Application Development, App Store Optimization (ASO), API Integration, PHP Developer, PHP Web Development, Laravel Developer, WordPress Development, Custom PHP Solutions, Web Development, Responsive Web Design, PHP Frameworks, MySQL, PostgreSQL, AWS, Cloud Computing, AWS Developer, Amazon Web Services (AWS), Firebase Integration, Payment Gateway Integration, Serverless Architecture, Microservices Architecture, Database Design, Web API Development, App Performance Optimization, Push Notification Integration, App Deployment, App Updates, Mobile App Testing, API Security, OAuth, JWT Authentication, Continuous Integration (CI/CD), DevOps, Git & GitHub, Docker, Kubernetes, Agile Development, Jira & Trello, Unit Testing, Quality Assurance (QA), Version Control, Cross-Platform Solutions, Mobile App UX/UI Design, Web Application Security, App Maintenance, App Customization, Web Application Optimization, Web Performance Optimization, Code Reviews, E-commerce Web Development, SaaS Development, SEO for Apps, App Consulting, App Architecture, Cloud Solutions, Mobile App Consulting, App Analytics Integration, App Cloud Integration, Push Notifications, Firebase Cloud Messaging, In-App Purchases (IAP), Single Page Applications (SPA), Progressive Web Apps (PWA), WebSocket Development, Mobile Game Development, UX/UI Prototyping, Mobile App Debugging, App Wireframing, Serverless App Development, CI/CD Pipeline Setup, App Performance Testing, AI, ChatGPT, Artificial Intelligence, Blockchain.
How it works
Post a job for freePost 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
โUpwork provides an umbrella-level of security. I can see a talentโs work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.โ
KD
Kim Darling
Emerald Tiger
โUpwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.โ
DM
David Merry
Kinetic Investments
โOur very specific requirements can be a challengeโWith Upwork, weโre able to access a bigger community to ensure the success of our projects.โ
KK
Katja Krohn
Summa Linguae
How do I hire a REST API Developer in the United Kingdom on Upwork?
You can hire a REST API Developer in the United Kingdom on Upwork in four simple steps:
Create a job post tailored to your REST API Developer project scope. We'll walk you through the process step by step.
Browse top REST API Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top REST API Developer profiles and interview.
Hire the right REST API 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 REST API Developer?
Rates charged by REST API 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 REST API Developer in the United Kingdom on Upwork?
As the world's work marketplace, we connect highly-skilled freelance REST API Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream REST API Developer team you need to succeed.
Can I hire a REST API 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 REST API Developer proposals within 24 hours of posting a job description.
Find more freelancers
Top cities for REST API Developers in the United Kingdom