Hassan A.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Senior Full-Stack Developer | AWS | Expert in Claude, Codex, Cursor & Kiro | API & AI Integrations | DevOps ⦿ Over the past 10+ years, I've built products used by 𝐆𝐨𝐨𝐠𝐥𝐞, 𝐌𝐚𝐬𝐭𝐞𝐫𝐜𝐚𝐫𝐝, 𝐍𝐞𝐭𝐟𝐥𝐢𝐱, 𝐔𝐛𝐞𝐫, 𝐂𝐍𝐍, 𝐁𝐁𝐂 & 𝐇𝐚𝐫𝐯𝐚𝐫𝐝, reaching 𝐦𝐢𝐥𝐥𝐢𝐨𝐧𝐬 𝐨𝐟 𝐮𝐬𝐞𝐫𝐬 across enterprise and consumer platforms. ⦿ I use Claude, Codex & Cursor across my entire workflow architecture: prototyping, refactoring, testing, review, shipping. AI moves fast, but nothing ships unreviewed. 🚀 𝐇𝐨𝐰 𝐜𝐚𝐧 𝐈 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 ✅ Leading product development from raw requirements to shipped solutions ✅ Turning complex requirements into production-ready solutions through Forward Deployed Engineering across AI, APIs, data, and cloud infrastructure ✅ Architecting scalable systems across new and legacy platforms ✅ Building MVPs, SaaS, web/mobile apps, and MCP servers ✅ Refactoring and modernizing complex legacy codebases without downtime ✅ Developing AI-powered applications, LLM integrations, AI agents, and automated workflows ✅ Managing cloud infrastructure, AWS, DevOps, performance, and reliability across the stack ✅ Shipping faster with AI tooling like Claude, Codex, Cursor, Kiro, Copilot. Speed without the quality tax 🛠️ 𝐓𝐎𝐎𝐋𝐒 & 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐘 ✅ Frontend: JavaScript, TypeScript, HTML5, CSS3, Sass, React, Next.js, Angular, Vue.js, Nuxt.js, Astro, Tailwind CSS, shadcn/ui, Material UI, Bootstrap, Redux, TanStack Query, Vite ✅ Backend: Ruby, Python, Scala, Elixir, JavaScript, TypeScript, Java, C#, Go, PHP, Rails, Phoenix, Django, FastAPI, Node.js, Express.js, NestJS, Spring Boot, ASP.NET Core, Laravel, ZIO ✅ Databases: PostgreSQL, MySQL, MongoDB, Microsoft SQL Server, Oracle Database, SQLite, MariaDB, Apache Cassandra, Amazon DynamoDB, CockroachDB, Neo4j, Firebase Firestore, Supabase, Neon ✅ Data Engineering & Warehousing: Data Modeling, ETL/ELT Pipelines, Snowflake, dbt, Apache Airflow, Databricks, Apache Spark, Amazon Redshift, Google BigQuery, Microsoft Fabric, Azure Synapse Analytics, Kafka ✅ AI & Coding Tools: Anthropic Claude, OpenAI Codex, AWS Kiro, GitHub Copilot, Cursor ✅ Cloud & DevOps: AWS, GCP, Azure, Render, Heroku, Docker, Kubernetes, CI/CD ✅ APIs & Integrations: REST, GraphQL, gRPC, SOAP, WebSockets ✅ Workflow Orchestration: Temporal, Sidekiq, Redis ✅ Testing: RSpec, Minitest, Playwright, Selenium, Capybara, Cucumber, Jest, Cypress, Mocha, Puppeteer, Pytest 🤖 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 ✅ AI Integration ✅ AI Agent Development ✅ Chatbots & Conversational AI ✅ RAG (Retrieval-Augmented Generation) Systems ✅ NLP & Document Processing ✅ Workflow Automation 🏢 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈'𝐯𝐞 𝐛𝐮𝐢𝐥𝐭 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐟𝐨𝐫 I've delivered solutions across AI-Powered Products, Healthcare, Fintech, EdTech, E-commerce/D2C, SaaS (B2B/B2C), Marketing, HR, Logistics, Media, and more, adapting quickly to each domain's needs. 🤝 I work best as a long-term partner, someone who owns the architecture and sticks around as your product grows. If you're looking for a reliable senior developer for ongoing work or a retainer, let's talk. Let's collaborate to turn your vision into reality and build something extraordinary together!🌟