I will fix node js bugs, API issues, and backend errors fast


About this gig
Are you facing bugs in your Node.js backend or API issues that are breaking your application?
You're in the right place. I provide professional backend debugging and bug fixing for Node.js applications, ensuring your system runs smoothly and efficiently.
What I can fix:
- Node.js & Express errors
- REST API & GraphQL issues
- Database errors (PostgreSQL / MongoDB)
- Authentication problems (JWT, OAuth)
- Server crashes & deployment issues
- Slow performance & optimization
Why choose me?
- Clean and optimized solutions
- Fast debugging with proper testing
- Experience with scalable backend systems
- Clear communication and support
️ Tech Stack:
Node.js, Express.js, PostgreSQL, MongoDB, Redis, AWS, REST APIs, GraphQL
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Get to know Abdul Hai
Doing the hard things, so you don't have to!
- FromPakistan
- Member sinceAug 2018
- Last delivery4 years
Languages
English, Spanish, Portuguese, German
FAQ
What do you need to start working on my issue?
I will need your project files or GitHub repository, error details, and a clear explanation of the issue. Access to server or database may be required if needed.
Do you fix all types of Node.js bugs?
Yes, I fix most backend issues including API errors, server crashes, database problems, and performance issues.
Do you work on urgent tasks?
Yes, I offer urgent bug fixing within 24 hours. Please select the urgent extra or contact me before placing the order.
Will you develop a complete website?
No, this gig is focused on bug fixing and backend optimization only, not full website development.
Which technologies do you work with?
I work with Node.js, Express.js, PostgreSQL, MongoDB, Redis, AWS, REST APIs, and GraphQL.
What if my issue is complex?
For complex issues, I recommend the premium package or contacting me first for a custom offer.
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
G gmsmontanha

Brazil
Amazing work! He was very attentive to detail and did exactly what i had in mind.
Helpful?A anthonypgraffeo

United States
He is amazing on time and the best and works verry woll under pressure and very patient
Helpful?
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
G gmsmontanha

Brazil
Amazing work! He was very attentive to detail and did exactly what i had in mind.
Helpful?A anthonypgraffeo

United States
He is amazing on time and the best and works verry woll under pressure and very patient
Helpful?

