Asif Ansari
Full Stack Developer
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Full Stack Developer
Upwork • Freelance
Oct 2024 - Present • 1 yr 7 mos
Worked as a Freelance Full Stack Developer on Upwork, delivering end-to-end web applications using modern technologies like React.js, Next.js, Node.js, Spring Boot, MySQL, and MongoDB. Designed and developed scalable, high-performance applications including marketplace platforms, portfolio systems, and rental management solutions. Handled complete project lifecycle — from requirement analysis and system design to development, API integration, and deployment. Implemented secure authentication (JWT), REST APIs, and responsive UI/UX for better user experience. Deployed applications using platforms like Vercel and Render, ensuring optimized performance and reliability. Collaborated directly with clients, managed project requirements, and delivered production-ready solutions within deadlines. Continuously focused on improving code quality, performance, and scalability.