Debugging & Bug Fixes for Web and Mobile Apps

Sandhya Kethineni

Starting at

/hr

About this service

Summary

Apps

🛠 What I offer: Is your app throwing unexpected errors, crashing, or behaving strangely? I’ll dive into your codebase and resolve bugs quickly and efficiently — whether it’s frontend glitches, backend exceptions, or integration issues.

💡 I can help with:

🔍 React / React Native UI bugs (layout, navigation, performance)

⚙️ API issues in Node.js or .NET Core

🐞 Firebase errors (Auth, Firestore, Functions)

🔒 JWT/Auth-related bugs or login failures

💾 Firestore/MSSQL/SQL query and schema issues

🔁 State management problems (Redux, Context)

🚀 Build or deployment failures (Expo, CI/CD, Vercel, Azure)

👨‍💻 Tech I work with: React.js, React Native, .NET Core, Firebase, Node.js, SQL Server, Firestore, Expo, Azure, JWT, Tailwind, Postman

✅ Why work with me:

8+ years solving production-level issues

Fast turnaround with clear communication

Clean, well-documented fixes

📦 Deliverables:

Bug fix with explanation

Optional code refactor (if needed)

Suggestions to prevent recurrence

What's included

Bug Fix Implementation
In-depth analysis of the reported issue(s) Root cause identification with code references Suggestions for any underlying architectural or logic flaws Clean and maintainable code fix applied directly to the affected modules Updates tested locally and/or on staging environment Fixes aligned with existing codebase style and patterns
Testing & Verification
Functional testing to confirm bug resolution Regression testing for related features (if applicable) Unit test updates or additions (on request or in Premium tier)
Preventive Suggestions
Code refactor recommendations (only if needed) Performance tips or modularity suggestions to avoid future bugs Optional: Linting or ESLint/Prettier setup guidance

Example projects