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I will fix bugs in your node or nestjs backend application
Alberto Corona
About this gig
Fix Node.js & NestJS Backend Bugs Quickly and Reliably
Is your Node.js or NestJS application throwing errors, crashing, or not working as expected?
I'm here to help.
I'm a Full Stack Developer with experience building production-ready applications using Node.js, NestJS, React, PostgreSQL, and Cloudflare Workers. I've developed complete commercial applications and worked on backend architecture, cloud migrations, and API integrations.
I can help you with:
Fix Node.js and NestJS bugs
Debug REST APIs
Authentication (JWT) issues
PostgreSQL and MySQL database problems
Express.js troubleshooting
API integrations
Performance optimization
Backend code refactoring
Cloudflare Workers issues
Why choose me?
Clean, maintainable, and scalable code
Fast communication throughout the project
On-time delivery
Focus on finding the root cause, not just fixing the symptom
Before placing an order
Please send me a message with a brief description of your issue. I'll review your requirements and recommend the best package for your project.
I look forward to helping you get your backend running smoothly!
Get to know Alberto Corona
Alberto Corona
Backend Developer NestJS React APIs node
- FromMexico
- Member sinceJan 2023
- Avg. response time1 hour
Languages
English, Spanish
Hi! I'm Alberto, a Full Stack Developer specializing in backend development with Node.js and NestJS.
I help startups, entrepreneurs, and businesses build scalable APIs, fix bugs, integrate payment gateways, and develop reliable web applications.
My experience includes:
✔ Node.js & NestJS
✔ React
✔ PostgreSQL
✔ JWT Authentication
✔ REST APIs
✔ PayPal & Stripe Integrations
✔ Cloudflare Workers
✔ Docker
✔ Bug Fixing
My Portfolio
Other Software Development Services I Offer
FAQ
Q: What information do you need to start?
Please provide the project source code or repository access, a description of the issue, error messages or screenshots, steps to reproduce the problem, and your expected behavior.
Do you work with existing projects?
Yes. I can work with existing Node.js, NestJS, Express.js, and React applications, whether they are small projects or large production systems.
What technologies do you support?
I work with Node.js, NestJS, Express.js, PostgreSQL, MySQL, MongoDB, JWT Authentication, REST APIs, Docker, Cloudflare Workers, and React.
Can you fix deployment or server issues?
Yes. I can help troubleshoot deployment issues on VPS servers, Docker, PM2, Cloudflare Workers, and other Node.js environments.
Will you explain what caused the bug?
Yes. Standard and Premium packages include documentation explaining the root cause of the issue and the solution implemented.
What if my issue is more complex than expected?
If the issue requires additional work beyond the selected package, I'll contact you before proceeding and recommend the most suitable option. There will be no unexpected charges.
Q: Do you sign NDAs?
Yes. I'm happy to sign a Non-Disclosure Agreement (NDA) if your project requires confidentiality.
