Muhammad A.

Need a Next.js developer, React Native app developer or an AI developer to add Claude (Anthropic API) or OpenAI to your product? I'm a Top Rated Senior Full-Stack Engineer with 4+ years of experience building SaaS platforms, web apps, mobile apps, AI agents and LLM integrations that ship on time and hold up in production. One engineer for web, mobile, backend and AI, so you don't have to manage three freelancers. AI, LLM & AUTOMATION • Claude (Anthropic API), Claude Code and OpenAI / ChatGPT integration into web and mobile apps • RAG pipelines, AI agents, MCP servers and LLM features for SaaS: chat, summarization, smart search, content generation • AI chatbots and assistants with solid prompt design and clean UX • RPA and workflow automation (Robocorp, Python) that removes repetitive work • AI-assisted development with Claude Code and Cursor for faster delivery FRONT-END, WEB & SaaS • Next.js, React and TypeScript SaaS platforms, MVPs and startup products • Vue.js, Angular, AngularJS, Redux, Vuex, Pinia, MobX, jQuery, PWA and responsive web design • Admin dashboards, analytics tools and customer portals • Ordering, e-commerce and booking apps used by real customers • Headless, API-first, multi-tenant (RBAC) architectures • Rescuing, refactoring and speeding up existing codebases MOBILE APPS (iOS & ANDROID) • Cross-platform React Native apps from a single codebase • Firebase, real-time chat, push notifications, in-app purchases • App Store and Google Play ready builds BACKEND & API DEVELOPMENT • Python: Django, DRF, FastAPI, Flask, Django CMS, Celery, SQLAlchemy, Django ORM, uWSGI • Node.js: Express.js and NestJS; REST and GraphQL APIs; JavaScript (ES5-ES7) and TypeScript • Microservices, event-driven and serverless design, async / concurrent programming • DDD, Clean Architecture, design patterns and observability DATA, MESSAGING & PAYMENTS • PostgreSQL, MySQL, MongoDB, SQLite, Redis, Elasticsearch, ClickHouse, BigQuery, Supabase, Firebase • Pandas, NumPy, ETL pipelines and Databricks • Kafka, RabbitMQ, NATS, Redis Queue and WebSockets • Stripe, PayPal and MyFatoorah: checkout, subscriptions, payouts CLOUD & DEVOPS • AWS (EC2, S3, ECS, IAM, Lambda, CloudFront) and GCP • Docker, Kubernetes, Helm, Terraform, Nginx, Apache, Linux • CI/CD with GitHub Actions and GitLab TECH STACK Python, JavaScript, TypeScript, React, Next.js, React Native, Redux, Vue.js, Angular, Node.js, NestJS, Express, Django, DRF, FastAPI, Flask, Celery, PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, ClickHouse, BigQuery, Supabase, Firebase, Kafka, RabbitMQ, Tailwind CSS, AWS, GCP, Docker, Kubernetes, Terraform, Stripe, GraphQL, REST API, Anthropic API, OpenAI API, Claude Code, Cursor, RAG, MCP, AI Agents, Git, GitHub, GitLab, Bitbucket, Postman, Agile SERVICES Next.js Developer | React Native Developer | React Developer | Claude API Developer | OpenAI API Developer | AI Agent Developer | RAG Developer | LLM Developer | Full-Stack Developer | MERN Stack Developer | SaaS Developer | Python Django Developer | Node.js Developer | Mobile App Developer | API Integration Specialist | MEAN Stack Developer