Yahya E.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.

I help startups build SaaS platforms, MVPs, and scalable web applications. I am a Senior Frontend Engineer and Full-Stack Engineer with extensive experience building end-to-end projects. I have built and worked on complex applications, design systems, backend APIs, and integrations with databases and third-party services. I've also built AI-powered features, including chat assistants and automation, using modern AI tools and APIs. I focus on shipping stable, maintainable software that can scale as the product grows. 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫: • Full-stack applications using React, Next.js, Node.js, TypeScript • Scalable APIs and backend services • AI-powered features (chat assistants, automation, LLM integrations) • High-performance Next.js apps with SSR/SSG for SEO and speed • Responsive, pixel-perfect UI from Figma or design systems • Clean architecture with maintainable frontend and backend code • Integrations with databases and third-party services (Stripe, Firebase, Supabase) • Performance optimization, debugging, and production stability 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤: 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, JavaScript, TypeScript 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Express, REST APIs, Serverless Functions, Server Components 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 & 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: PostgreSQL, Supabase, Neon, Upstash (Redis, Qstash, Workflows) 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀: JavaScript, TypeScript, C#, Python 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: OpenAI API, LLM integrations, AI chat interfaces, automation workflows 𝗦𝘁𝘆𝗹𝗶𝗻𝗴 & 𝗨𝗜: HTML5, CSS3, SASS, Tailwind CSS, Material UI, Styled Components, Shadcn, Radix UI 𝗦𝘁𝗮𝘁𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Redux, Redux-Saga, Redux-Thunk, React Query, Context API 𝗙𝗼𝗿𝗺𝘀 & 𝗶𝟭𝟴𝗻: React Hook Form, i18next, Zod 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Cypress, React Testing Library, Jest, Vitest, MSW 𝗧𝗼𝗼𝗹𝘀: GitHub, GitLab, Bitbucket, Jira, ClickUp, Trello, Slack, Zoom, Figma 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞 • End-to-End Development — frontend, backend, APIs, and AI integrations • Scalable Architecture — systems designed to grow with your product • Performance-Focused — fast, optimized, SEO-friendly applications • Reliable Delivery — clean code, testing, and production stability If you need a developer who can build modern web applications with AI-powered features and a solid full-stack foundation, let’s connect.