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Fiverr Pro
English
$
USD
I will fix bugs errors and broken features in frontend backend full stack
Hasham Vakani
Level 2
5.0
5.0
About this gig
Broken build? A 500 error you can't trace? A feature that worked yesterday and not today? I fix it fast, at the root, without breaking the rest of your app.
I'm a senior engineer with 498 orders, 100% satisfaction, and 8,700+ hours on production apps. I debug React, Next.js, Node, Express, TypeScript, and Python across frontend, backend, and full-stack. Not a band-aid that breaks next week I find the root cause, fix it cleanly, and explain in plain English what was wrong.
What you get:
- Root-cause fix, not a symptom patch
- Clean commit or patch on your repo you own everything
- A Loom walkthrough (Standard and Premium) so you understand the fix
- A regression check (Standard and Premium) so nothing else breaks
Recently: fixed a production 500 error and installed Sentry cleanly for a US client (see reviews). I work fast and I'm honest if I can't reproduce it, you don't pay.
Before ordering, message me your error message, stack, and repo or code snippet. I'll confirm the right tier honestly.
Get to know Hasham Vakani
Hasham Vakani
AI agents, RAG, automation and MCP, production builds not demos
Level 2
- FromPakistan
- Member sinceAug 2020
- Avg. response time1 hour
- Last delivery6 days
Languages
English, Spanish, French
I ship production AI for startups - agents, RAG, automation, and MCP servers - and I fix AI-built apps that broke in production.
8,700+ hours delivered. 100% satisfaction. Claude Code daily on live work.
What I build:
- AI agents (tools, memory, Claude/OpenAI)
- RAG chatbots that answer from your docs with citations
- AI automation with n8n or Make
- AI voice agents for inbound calls and bookings
- MCP servers and AI SaaS MVPs (Next.js, Stripe)
- Fixing broken AI apps (Lovable, Bolt, Cursor)
Tech: Next.js, TypeScript, Claude, OpenAI, AWS.
Message me your use case.
My Portfolio
Other Software Development Services I Offer
FAQ
How fast can you start?
Usually within 4 to 12 hours if the repo or snippet is accessible. Premium gets priority same-day.
What if you can't reproduce the bug?
I investigate first. If I genuinely can't diagnose it, I refund. I only charge when I can fix it.
Do I own the code?
Always. I push to your GitHub or send a patch file. No lock-in.
Can you fix multiple unrelated bugs?
Standard covers up to 3 related bugs. For many unrelated bugs across modules, message me for a custom offer.
Do you write tests?
Standard and Premium include a regression check on the affected flow.
Reviews
152 reviews for this Gig
| (151) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J junjjalo
United States
Hasham delivered both items from the original order — fixed the /api/admin/logs 500 error and installed the Sentry SDK cleanly. When his first deploy surfaced a separate pre-existing issue with our production database, he investigated quickly, owned the gap in his local testing approach, and walked me...
$50-$100
Price
2 days
Duration
Helpful?M 
mobipay
Repeat Client
United States
Expert help in a pinch.
$100-$200
Price
4 days
Duration
Helpful?V vanessakrantz
France
the best !!! thanks for all
$50-$100
Price
1 day
Duration
H 
Seller's Response
Helpful?D 
dontss
Repeat Client
Lithuania
Outstanding work was delivered at an amazing pace. Hasham provided me with a clear audit so I knew what to expect. He delivered high quality work super fast and went above and beyond to make sure everything was set up properly and fully functional.
Up to $50
Price
3 days
Duration
H Seller's Response
Helpful?R 
recoveryj
United States
He went above and beyond. After he wrote my code for half of what everyone else was asking. He ended up fixing a ton of other stuff, and when I broke it the next day.... He got on a hour zoom meeting with me and fixed it all while explaining to me in depth how it all worked. I'd hire him as my CTO =)
Up to $50
Price
1 day
Duration
Helpful?
Reviews
152 reviews for this Gig
| (151) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J junjjalo
United States
Hasham delivered both items from the original order — fixed the /api/admin/logs 500 error and installed the Sentry SDK cleanly. When his first deploy surfaced a separate pre-existing issue with our production database, he investigated quickly, owned the gap in his local testing approach, and walked me...
$50-$100
Price
2 days
Duration
Helpful?M mobipay
Repeat Client
United States
Expert help in a pinch.
$100-$200
Price
4 days
Duration
Helpful?V vanessakrantz
France
the best !!! thanks for all
$50-$100
Price
1 day
Duration
H Seller's Response
Helpful?D dontss
Repeat Client
Lithuania
Outstanding work was delivered at an amazing pace. Hasham provided me with a clear audit so I knew what to expect. He delivered high quality work super fast and went above and beyond to make sure everything was set up properly and fully functional.
Up to $50
Price
3 days
Duration
H Seller's Response
Helpful?R recoveryj
United States
He went above and beyond. After he wrote my code for half of what everyone else was asking. He ended up fixing a ton of other stuff, and when I broke it the next day.... He got on a hour zoom meeting with me and fixed it all while explaining to me in depth how it all worked. I'd hire him as my CTO =)
Up to $50
Price
1 day
Duration
Helpful?
