Faysel 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.

Hi, and thank you for visiting my profile. ❤️ I’m a Full-Stack & AI Engineer who can handle both sides of software development: the traditional software engineering layer - architecture, frontend, backend, APIs, databases, and testing - and the AI layer, including LLM integrations, AI agents, RAG, structured workflows, and automation. 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 · 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 · 𝟱.𝟬★ 𝗮𝗰𝗿𝗼𝘀𝘀 𝟮𝟱+ 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 · 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝗱𝘂𝗿𝗶𝗻𝗴 𝗨𝗦 & 𝗨𝗞 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗵𝗼𝘂𝗿𝘀 · 𝗢𝗽𝗲𝗻 𝘁𝗼 𝗳𝘂𝗹𝗹-𝘁𝗶𝗺𝗲 𝗮𝗻𝗱 𝗹𝗼𝗻𝗴-𝘁𝗲𝗿𝗺 𝗲𝗻𝗴𝗮𝗴𝗲𝗺𝗲𝗻𝘁𝘀 Recent work includes AI support automation combining LLM classification, RAG, and Jira workflows; production Next.js and TypeScript SaaS applications; multilingual RAG systems; healthcare platforms; and business automation integrating third-party APIs and internal systems. 𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗯𝘂𝗶𝗹𝗱 • Full-Stack SaaS Applications — Next.js, React, TypeScript, Node.js, Python • AI & LLM Applications — AI agents, RAG, chatbots, assistants, intelligent product features • Backend & API Systems — APIs, PostgreSQL, MongoDB, integrations, webhooks, internal tools • AI & Workflow Automation — n8n, Make, CRM automation, data workflows, third-party integrations 𝗖𝗼𝗿𝗲 𝘁𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 Full-Stack Development: Next.js, React, TypeScript, JavaScript, Node.js, Python, FastAPI, PostgreSQL, MongoDB, REST APIs, Docker AI / LLM Engineering: OpenAI, Claude, Gemini, AI Agents, LLM Applications, RAG, Embeddings, Vector Databases, Structured Outputs, Tool Calling Automation & Integrations: n8n, Make, Zapier, REST APIs, OAuth, Webhooks, Microsoft Graph, Google APIs, HubSpot, Zoho 𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸 I don't just connect tools together or generate code and hope it works. I focus on clean, maintainable architecture, production-ready implementation, testing and edge cases, existing codebase conventions, reliable integrations, security, failure handling, and long-term maintainability. I also work extensively with AI-native engineering workflows using Claude Code, Cursor, and Codex to accelerate development while keeping architecture, testing, code review, and engineering decisions human-controlled. 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲 • Top Rated on Upwork with 100% Job Success • 5.0★ client feedback across 25+ projects • Strong combination of Full-Stack and AI Engineering • Deep experience with Next.js, TypeScript, React, Python, LLM applications, and AI agents • Comfortable joining and extending existing production codebases • Experience collaborating with US, UK, European, Australian, and Asian teams • Available during US and UK business hours • Open to full-time, long-term, and ongoing engineering engagements 𝗪𝗵𝗮𝘁 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘀𝗮𝘆 💬 “Faysel was great to work with from start to finish. He clearly explained each phase of the AI bot development process and made sure we understood the technical elements along the way. He was patient, flexible with updates, and very responsive to our requests. We appreciated his professionalism and would gladly work with him again.” — Client, Belleair Bluffs, USA 💬 “Faysel is a very good AI developer; he always finds the right solution and always makes excellent suggestions for improving the product.” — Jan, Germany 💬 “Faysel is very reliable and easy to work with. I appreciate the exceptional work ethics.” — Seong Joon, South Korea If you're building a Next.js or SaaS product, adding AI capabilities to an existing application, or looking for a Senior Full-Stack & AI Engineer who can own both the software and AI sides of the system, feel free to send me a message. Available for full-time roles, long-term contracts, and ongoing product development during US and UK business hours.