I help businesses identify, troubleshoot, and resolve bugs in existing web applications while improving performance, stability, and user experience.

What I can fix:

• Frontend issues in React.js and Next.js applications • Backend errors in Node.js and Express.js APIs • Authentication and authorization problems • Database performance and query optimization • Third-party API integration issues • Deployment and build failures on Vercel, Railway, and cloud platforms • TypeScript errors and code refactoring • Performance bottlenecks and application slowdowns

What you'll get:

• Root cause analysis and debugging • Reliable bug fixes and performance improvements • Clean and maintainable code updates • Testing and verification before delivery • Deployment assistance if required • 7 days of post-delivery support

Tech Stack: React.js, Next.js, Node.js, Express.js, TypeScript, PostgreSQL, MongoDB, REST APIs, Vercel, and Railway.

Ideal for startups, SaaS products, agencies, and businesses that need fast issue resolution, performance optimization, and ongoing application maintenance.