I will develop debug and test your react web app professionally


About this gig
Struggling with a React app that's buggy, slow, or stuck mid-development? I fix it and keep it stable long-term.
I'm a senior full-stack engineer with 10+ years building and testing production React applications. I don't just write code that works today I write code that's tested and built to hold up as your app grows.
What I bring:
- Clean, maintainable React code (functional components, hooks, context)
- Bug fixes and debugging, from small glitches to deeper architecture issues
- Automated testing (Jest, React Testing Library) so features stay stable
- Secure coding: input validation, XSS and injection prevention
- Performance optimization (memoization, lazy loading, code splitting)
- Clear communication I flag blockers early, not after the deadline
I've built everything from clinical dashboards handling sensitive data to SaaS platforms used daily by real clients, always focused on code quality over quick fixes.
Every package includes testing as part of the process, not an afterthought because code that "works" and code that's actually reliable are two different things.
Message me with your project details and I'll tell you exactly how I can help.
Get to know Gerald P
Senior Software Engineer
- FromNicaragua
- Member sinceAug 2026
Languages
Spanish, English
