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I will review, refactor and optimize your backend or API code with vibe fixing
Atiqul Islam
Level 2
5.0
5.0
About this gig
Is your backend or API behaving wrong, running slow, or breaking the AI-generated Vibe-coded app of your application? I specialize in backend debugging, API fixing, code refactoring, and performance optimization to stabilize and improve your system with clean, scalable solutions.
I work with Node.js, Next.js, Express.js, PHP, Laravel, C, and support Redis, REST APIs, webhooks, and modern database systems such as PostgreSQL, Supabase, Firebase/Firestore, AWS RDS & DynamoDB, PlanetScale, MongoDB Atlas, and Google Cloud SQL.
Platforms supported: Websites, Progressive Web Apps (PWA), and cross-platform apps.
What I can fix
- Backend/API bugs, crashes, and logic errors
- Slow performance, high CPU/memory usage
- Database integration issues or query bottlenecks
- Authentication & security vulnerabilities
- API failures, broken endpoints, webhook errors
- Full module debugging, refactoring & optimization
Why choose me
- Clean, stable, and maintainable code
- Fast communication & professional debugging
- Years of experience in backend/API systems
- Detail-oriented, reliable & performance-focused
Message me before ordering so I can review your issue and recommend the best package.
Get to know Atiqul Islam
Atiqul Islam
Quality is remembered longer than the price
Level 2
- FromBangladesh
- Member sinceApr 2021
- Avg. response time1 hour
- Last delivery1 week
Languages
Bengali, English, French, Spanish
I help businesses turn ideas into working digital products. With 5+ years of experience and 300+ custom projects, I bring hands-on development expertise alongside international business experience in fintech, blockchain, payments and AI. My work spans websites, e-commerce, dashboards, APIs and custom platforms. I connect business goals with the right technology, working with my development team to deliver practical solutions, clear communication and reliable long-term support.
My Portfolio
FAQ
What do you need from me to get started?
I need access to your project files or repository (ZIP, GitHub, GitLab, Bitbucket), a clear description of the issue, and any relevant API keys, database credentials, or error logs. If you’re unsure, just message me. I’ll guide you.
Can you fix issues in Node.js, Next.js, Express.js, PHP or Laravel?
Yes. I specialize in Node.js, Next.js, Express.js, PHP, Laravel, C, and modern backend systems. I can debug, optimize, refactor, fix APIs, and improve overall performance.
Can you work on databases like PostgreSQL, Supabase, Firebase, AWS, or MongoDB Atlas?
Absolutely. I support PostgreSQL, Supabase, Firebase/Firestore, AWS RDS & DynamoDB, PlanetScale, MongoDB Atlas, and Google Cloud SQL. I can fix integration issues, queries, and performance problems.
What if my issue is not listed in the packages?
No problem! Simply message me with details. I offer custom solutions and can create a tailored quote based on your issue or module size.
Can you fix multiple issues in one order?
Yes. The Standard and Premium packages are designed for multiple issues. For more than the included amount, you can use the Extra APIs or Full Module Fix add-ons.
Will my data, credentials, or code remain safe?
Yes. I follow strict privacy, security, and NDA-style practices. Your code and credentials stay 100% confidential and are never shared with anyone.
Do you offer long-term ongoing support?
Yes. You can hire me for continuous maintenance, monitoring, or future improvements through custom offers or subscriptions.
What if the problem turns out to be bigger than expected?
If the issue is larger or deeper, I will inform you immediately and provide the best options. I never deliver incomplete or partial fixes without discussing it with you.
Reviews
7 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
G 
gatril_studio
Hungary
Excellent work! Atiqul conducted a thorough and professional backend assessment, identified specific performance issues, and provided clear, practical recommendations. His attention to detail, communication, and technical expertise were outstanding. He was also very helpful and responsive throughout the process. Highly recommended!
$100-$200
Price
2 days
Duration
Helpful?H hammastuote
Finland
Ongoing collaborationQuick work
$200-$400
Price
3 days
Duration
A 
Seller's Response
Helpful?B blueryza
New Zealand
So awesome to work with! Got everything I needed done and even did some extra too. Thanks heaps!
$400-$600
Price
2 weeks
Duration
Helpful?B bka00001
United States
Great overall experience. Very professional and great technical knowledge. Really helped with the code base and teaching on what he has done to upgrade the application. Recommend to anyone new!
$800-$1,000
Price
2 weeks
Duration
A Seller's Response
Helpful?T tolu17001
United Kingdom
Fantastic work and superb attention to detail. Really exceeded my expectations and was very polite and understanding throughout.
$200-$400
Price
2 days
Duration
A Seller's Response
Helpful?
Reviews
7 reviews for this Gig
| (7) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
G gatril_studio
Hungary
Excellent work! Atiqul conducted a thorough and professional backend assessment, identified specific performance issues, and provided clear, practical recommendations. His attention to detail, communication, and technical expertise were outstanding. He was also very helpful and responsive throughout the process. Highly recommended!
$100-$200
Price
2 days
Duration
Helpful?H hammastuote
Finland
Ongoing collaborationQuick work
$200-$400
Price
3 days
Duration
A Seller's Response
Helpful?B blueryza
New Zealand
So awesome to work with! Got everything I needed done and even did some extra too. Thanks heaps!
$400-$600
Price
2 weeks
Duration
Helpful?B bka00001
United States
Great overall experience. Very professional and great technical knowledge. Really helped with the code base and teaching on what he has done to upgrade the application. Recommend to anyone new!
$800-$1,000
Price
2 weeks
Duration
A Seller's Response
Helpful?T tolu17001
United Kingdom
Fantastic work and superb attention to detail. Really exceeded my expectations and was very polite and understanding throughout.
$200-$400
Price
2 days
Duration
A Seller's Response
Helpful?
