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I will fix bugs or build base44 lovable replit supabase vibe coded website or app
Mursaleen Nisar
Level 2
1 order in queue
4.8
4.8
What people loved about this freelancer
hinasol
United Kingdom
Mursaleen found a major security risk with my Base 44 app. So happy it got sorted at such an early stage. Many people wouldn't even bother to check once you've...
hypermedia_
United Kingdom
Working with Mursa has been a splendid experience he has been a very strong pillar in helping me build my app and with monitoring it. I feel like I have gotten...
brunopelembe
United Kingdom
Working with Mursaleen has been an absolutely outstanding experience from start to finish. I cannot recommend him highly enough. He took my app idea and brought...
clout9maanger
United States
He did exactly what I needed, this guy will get your app on the App Store. He’s legit, don’t question it. Best Fiverr experience I’ve had. Thank you so much.
About this gig
Is your Base44 Lovable Replit Bolt Supabase or any vibe coded app breaking, showing errors, or not deploying properly?
You are in the right place.
I am a full stack developer experienced in fixing bugs stabilizing apps and building MVPs from scratch using Base44, Lovable, Replit, Bolt, Supabase, and modern AI tools. I help turn broken or unfinished projects into smooth, working applications.
I can help you with:
Fix vibe coded website or app issues
Bug fixing and resolving errors
Full MVP debugging
Build MVP from scratch or extend existing apps
Authentication, core features, and workflows setup
Supabase auth and database fixes
Stripe payment integration
Frontend and backend bug fixing
API and integration errors
Deployment and hosting issues
User acceptance testing
Performance optimization
Whether it is a small issue or a critical bug, I will find the root cause and fix it efficiently.
Lets fix your app or build your MVP and make it stable, tested, and ready for real users.
Message me before placing an order.
Get to know Mursaleen Nisar
Mursaleen Nisar
Full stack web and app developer
Level 2
- FromIndia
- Member sinceJun 2025
- Avg. response time1 hour
- Last delivery2 days
Languages
Kashmiri, Urdu, English, Hindi
I’m a full-stack web and app developer and software engineer with 2+ years of experience building web apps, backend systems, and android/iOS mobile apps. I’ve worked on 40+ real-world projects for businesses and startups, delivering secure, high-performance solutions. My expertise includes custom website development, mobile app development, backend APIs, AI-powered features, deployment, bug fixing, optimization, and performance tuning. I focus on clean code, fast delivery, and building software that supports real business growth.
My Portfolio
FAQ
What do you need from me to start fixing my app?
I’ll need access to your source code (GitHub/Replit), hosting details, error screenshots, and a brief explanation of the issue.
Can you fix both frontend and backend issues?
Yes, I debug frontend UI bugs, backend logic errors, API failures, database issues, and integration problems.
Do you work with Lovable.dev and Supabase apps?
Yes, I can fix Lovable.dev projects, Supabase authentication/database errors, and related deployment issues.
Can you help deploy my MVP after fixing it?
Absolutely. I can handle deployment to Vercel, VPS, or other hosting platforms to ensure everything runs smoothly.
What if my app has multiple complex issues?
No problem. Contact me first, and I’ll review the project and suggest the right package or a custom offer.
Reviews
35 reviews for this Gig
| (31) | ||
| (3) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
H hinasol
Repeat Client
United Kingdom
Mursaleen found a major security risk with my Base 44 app. So happy it got sorted at such an early stage. Many people wouldn't even bother to check once you've paid for a service. This is why I fully trust him and will continue to use his services. Customer service is 6 stars....
$200-$400
Price
4 days
Duration
M 
Seller's Response
Helpful?H hypermedia_
Repeat Client
United Kingdom
Working with Mursa has been a splendid experience he has been a very strong pillar in helping me build my app and with monitoring it. I feel like I have gotten a new friend more than just a developer. Thank you Mursa for your efforts and also hope our teamwork continuous to grow👍🏼💯
$400-$600
Price
3 weeks
Duration
M Seller's Response
Helpful?B brunopelembe
United Kingdom
Working with Mursaleen has been an absolutely outstanding experience from start to finish. I cannot recommend him highly enough. He took my app idea and brought it to life with incredible skill, professionalism, and attention to detail. Every aspect of the project was handled with care, precision,...
$200-$400
Price
2 weeks
Duration
M Seller's Response
Helpful?A arielmanigsaca
United States
Nisar worked good on the payment aspect of the app. Eventhough I already paid him for the job, he promised to work on the bugs when I encounter them. Reliable coder
$50-$100
Price
8 days
Duration
Helpful?C clout9maanger
Repeat Client
United States
He did exactly what I needed, this guy will get your app on the App Store. He’s legit, don’t question it. Best Fiverr experience I’ve had. Thank you so much.
$400-$600
Price
2 weeks
Duration
M Seller's Response
Helpful?
Reviews
35 reviews for this Gig
| (31) | ||
| (3) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
H hinasol
Repeat Client
United Kingdom
Mursaleen found a major security risk with my Base 44 app. So happy it got sorted at such an early stage. Many people wouldn't even bother to check once you've paid for a service. This is why I fully trust him and will continue to use his services. Customer service is 6 stars....
$200-$400
Price
4 days
Duration
M Seller's Response
Helpful?H hypermedia_
Repeat Client
United Kingdom
Working with Mursa has been a splendid experience he has been a very strong pillar in helping me build my app and with monitoring it. I feel like I have gotten a new friend more than just a developer. Thank you Mursa for your efforts and also hope our teamwork continuous to grow👍🏼💯
$400-$600
Price
3 weeks
Duration
M Seller's Response
Helpful?B brunopelembe
United Kingdom
Working with Mursaleen has been an absolutely outstanding experience from start to finish. I cannot recommend him highly enough. He took my app idea and brought it to life with incredible skill, professionalism, and attention to detail. Every aspect of the project was handled with care, precision,...
$200-$400
Price
2 weeks
Duration
M Seller's Response
Helpful?A arielmanigsaca
United States
Nisar worked good on the payment aspect of the app. Eventhough I already paid him for the job, he promised to work on the bugs when I encounter them. Reliable coder
$50-$100
Price
8 days
Duration
Helpful?C clout9maanger
Repeat Client
United States
He did exactly what I needed, this guy will get your app on the App Store. He’s legit, don’t question it. Best Fiverr experience I’ve had. Thank you so much.
$400-$600
Price
2 weeks
Duration
M Seller's Response
Helpful?
