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I will fix bugs and add features to your react native or expo app
Serhii L.
About this gig
Need to fix bugs, add new features, or improve an existing React Native or Expo app?
I'm a Software Engineer with 8+ years of experience building and maintaining web and mobile applications. I can help fix existing issues, add new functionality, improve performance, or clean up your code without unnecessary rewrites.
What I can help with:
- Fix React Native and Expo bugs and unexpected behavior
- Add new features to your existing mobile app
- Refactor and clean up problematic code
- Turn AI-generated code into production-ready software
- Improve app performance and fix inefficient code
- Integrate APIs and third-party services
- Work with navigation, state management and native features
- Handle backend, API and database changes when needed
Why work with me?
I focus on understanding the existing codebase first and delivering reliable, maintainable solutions without unnecessary complexity.
I don't limit the work to the mobile app. If your task requires changes to the backend, API, database, authentication, or other parts of the system, I can handle the complete solution.
Have a specific problem? Message me before ordering and I'll review what needs to be done.
Get to know Serhii L.
Serhii L.
Software Engineer specializing in Web and Mobile
- FromUkraine
- Member sinceApr 2026
- Avg. response time1 hour
Languages
Ukrainian, English
Software Engineer specializing in web and mobile development, with 8+ years of experience building reliable software and solving real product problems.
I value clean code, thoughtful architecture, scalability, and long-term maintainability. Experienced with different technologies and approaches to find the right solution for each business problem, making the most of AI where it adds value while keeping things simple and reliable.
I can help build web and mobile products, improve existing applications, develop APIs and backend services, solve technical issues, and provide technical guidance.
My Portfolio
FAQ
Can you review my project before I place an order?
Yes. Feel free to contact me before placing an order. I can review your requirements and, when needed, look at the relevant parts of your codebase to understand the issue, determine the scope, and provide a clear price before we start. The initial discussion and assessment are free.
Can we have a call to discuss the project?
Absolutely. For complex or unclear requirements, we can arrange a quick Google Meet call so you can explain the issue, show me what you need, and discuss the expected result.
Can you fix AI-generated code?
Yes. I can fix and refactor code generated by Cursor, Claude, ChatGPT, Lovable, Bolt, v0, and similar AI tools, helping turn AI-generated MVPs into reliable, production-ready software.
What do you need from me to get started?
Usually, I need a description of the issue or feature, access to the relevant code or repository, and any information needed to reproduce the issue or understand the expected result.
Can you work with both React Native and Expo?
Yes. I can work with existing React Native and Expo applications, including bug fixes, new features, navigation, API integrations, performance improvements, and code refactoring.
