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$
USD
I will troubleshoot and fix bugs in your react or nodejs app
Milon Mia
About this gig
Is your React, Next.js, or Node.js application broken, crashing, or showing unexpected errors?
I will troubleshoot, debug, and fix issues in your web application to restore stability and performance. Whether it's a frontend bug, backend error, API failure, authentication issue, database problem, or deployment error, I'll identify the root cause and provide a reliable solution.
Services Include
- React & Next.js bug fixing
- Node.js & Express debugging
- API integration issues
- JWT/Auth problems
- MongoDB, PostgreSQL & Prisma errors
- Docker, Nginx & deployment issues
- Performance optimization
- Payment gateway & webhook fixes
Why Choose Me?
- Root-cause analysis, not temporary patches
- Clean, maintainable code fixes
- Production-ready solutions
- Clear communication and updates
- Long-term stability and scalability
I focus on delivering reliable fixes that improve code quality and prevent recurring issues.
Please contact me before placing an order. Every bug is unique, and reviewing the issue first helps me provide accurate pricing and the best solution.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Milon Mia
Milon Mia
Software Developer with over 1 years of real world experience
- FromBangladesh
- Member sinceJun 2026
- Avg. response time1 hour
Languages
Bengali, Hindi, English
I help startup founders turn ideas into scalable SaaS MVPs and production-ready web apps. Whether you're building from scratch, stuck with an AI-generated MVP, or need to fix and scale an existing app, I can help you launch a real product. I specialize in React, Next.js, Node.js, and databases like PostgreSQL and MongoDB. I follow a clear process from planning to deployment. Message me before ordering to discuss your project.
My Portfolio
FAQ
What do you need from me to start debugging the issue?
To fix the bug efficiently, I will need a clear description of the error, any relevant error logs or browser console screenshots, and access to your code repository (such as GitHub or GitLab). If it is a deployment issue, temporary hosting or server access will be required.
Do you fix issues on WordPress, Shopify, or other CMS platforms?
No, I do not work with pre-built CMS platforms. My services are strictly focused on custom-coded full-stack applications built with modern frameworks like React, Next.js, Node.js, and Express. I favor high-quality, custom development solutions over template-based platforms.
Will my source code and database information remain secure?
Absolutely. Your intellectual property, database credentials, and source code are treated with the highest level of confidentiality. Once the debugging process is completed and verified, all local copies of your data and credentials will be securely wiped from my system.
What happens if the same bug returns after deployment?
I prioritize quality over speed by refactoring the faulty code logic permanently rather than using a temporary patch. However, if the exact same issue resurfaces within the scope of my fix, simply reach out to me and I will resolve it immediately at no additional cost.
Can you troubleshoot cloud deployment and server errors?
Yes. In addition to frontend and backend code logic, I can debug cloud-related issues, including broken AWS configurations, Docker container deployment crashes, environment variable conflicts, and Nginx reverse proxy faults.
