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I will debug and fix full stack, mern, react nestjs and nodejs bugs
Rohan Mostofa
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About this gig
Are you stuck with a bug? Your React, Next.js, Node.js, MongoDB, MERN, Nest.js, React Native, Prisma, MySQL, Vibe Code template or AI automation workflow (Zapier / n8n / Make) breaking suddenly? I fix everything FAST and CLEAN.
I am here to fix it fast.
I am Rohan Mostofa Abir, a Full-Stack JavaScript Developer with 4+ years of experience and 100+ completed projects, specializing in solving bugs and improving code quality.
I fix issues in:
=> React
=> Next.js
=> Node.js
=> Nest.js
=> Express.js
=> MongoDB
=> MySQL
=> PostgreSQL
=> Prisma
=> React Native
=> API integrations
=> AI workflows
=> Zapier
=> n8n
=> Vibe Coded Bug Fixing (explicitly added)
What You Will Get:
=> Lightning-fast bug investigation
=> Clean & optimized fix
=> Code comments for clarity
=> Detailed documentation
=> Stable and tested solution
=> Professional communication
Why Choose Me?
=> 4+ years experience
=> MERN + Next.js specialist
=> Fast delivery
=> Expert debugging skills
=> 100% Satisfaction Guarantee
Ready to fix your issue? Hit the "CONTACT ME" button before ordering so I can check the bug for FREE.
Get to know Rohan Mostofa
Rohan Mostofa
Senior Full Stack Developer AI SaaS Engineer, MERN AI Integration and Automation
- FromBangladesh
- Member sinceNov 2025
Languages
Bengali, English, Hindi, Urdu
I help startups and growing businesses build SaaS products, AI-powered applications and modern web systems that are built to scale not just work today.
With 4+ years of experience and 100+ projects, I work across full-stack development, system architecture, APIs, AI integration, and business automation.
I focus on understanding your product, users, workflows, and long-term goals before writing code. The result:- software that is maintainable, easier to extend and ready for growth.
If you are building a SaaS, AI product, automation system or modern web app, let's discuss how I can help.
My Portfolio
Other Software Development Services I Offer
FAQ
Do you fix bugs in any MERN, Next.js, or Node.js project?
Yes! I fix issues in React, Next.js, Node.js, Express, MongoDB, MySQL, Prisma, React Native, and API integrations. I also fix Vibe Coded templates, authentication issues, and deployment errors.
What do you need from me to start?
Just send me:- A clear description of the bug GitHub repo / code ZIP / project folder Steps to reproduce the issue (Optional) Screenshots or video of the error This helps me fix it faster.
Will you work on both frontend and backend bugs?
Yes! I fix frontend + backend + database + API issues in one flow. Full-Stack debugging is included.
Can you work on live servers or staging environments?
Yes, I can fix bugs directly on: = Vercel = Render = AWS = Digital Ocean = cPanel = Firebase = Or I can fix locally and push via GitHub.
Do you fix deployment or build issues?
Yes. I fix issues like: => npm run build failing => Next.js build errors => Environment variable issues => Vercel deployment failures => Stripe / Firebase key misconfigurations
What if my issue is very big or complex?
No worries. I will check it first and: => Give you a clear plan => Tell you the exact timeline => Share a custom offer if needed => No hidden costs.
Can you integrate or fix AI features?
Yes! I fix and build AI workflows using: => OpenAI API => n8n => Zapier => Custom AI features => AI-based content generation pipelines
