Hassan Ahmed K.

𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐇𝐢𝐠𝐡-𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 I am a Senior Full Stack Engineer with 6+ years of experience in the software development lifecycle. I specialize in building complex, data-driven applications using the MERN stack (MongoDB, Express, React, Node.js). My focus is not just on "making it work," but on writing clean, modular, and maintainable code that scales with your business. If you need a developer who understands state management, component architecture, and database optimization, I am the right fit. 𝐂𝐨𝐫𝐞 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐭𝐚𝐜𝐤 I use modern tooling to ensure speed, security, and type safety. Frontend: React.js, Next.js (SSR/SSG), Redux Toolkit, Tailwind CSS, TypeScript. Backend: Node.js, Express.js, NestJS, RESTful APIs, GraphQL. Database: MongoDB (Aggregation Framework), PostgreSQL, Firebase. DevOps & Tools: Docker, AWS (EC2, S3), CI/CD Pipelines, Git/GitHub. 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 & 𝐂𝐚𝐩𝐚𝐛𝐢𝐥𝐢𝐭𝐢𝐞𝐬 SaaS Development: End-to-end development of subscription-based platforms with Stripe/PayPal integration and secure authentication (JWT/Auth0). Dashboards & CRM: Building responsive admin panels with complex data visualization and real-time updates (Socket.io). API Development: Designing robust APIs for mobile and web consumption with Swagger documentation. Legacy Refactoring: Migrating legacy PHP/WordPress sites to modern React/Next.js architectures (Headless CMS). 𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐈𝐟 𝐘𝐨𝐮… Need a custom React Application or a stunning WordPress site that’s easy to manage. Want a scalable SaaS Platform or a Shopify store that sells and scales. Are rebranding, refactoring, or upgrading an existing site. Have specific features in mind and need custom work. Value clear communication and strict adherence to deadlines. 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞 100% Job Success / Top Rated: I have a proven track record of delivering production-ready code on Upwork. Performance First: I optimize for Core Web Vitals, minimizing bundle sizes and ensuring sub-second load times. 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐃𝐞𝐩𝐥𝐨𝐲? I am currently open to new contracts. Click "Invite" to schedule a brief code review or project discovery call.