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I will fix node js backend bugs and API issues
Adewale
About this gig
Having issues with your Node.js backend or API?
I will help you debug, fix, and optimize backend issues in your Node.js application. Whether you are dealing with API errors, authentication problems, database issues, payment integration bugs, or server-side failures, I can help identify and resolve the problem quickly.
I specialize in backend systems built with Node.js, Express.js, MongoDB, and REST APIs.
Services I can help with:
Fix Node.js backend bugs
Debug REST API issues
Resolve authentication/JWT problems
Fix MongoDB database errors
Payment integration troubleshooting
Webhook and API debugging
Server-side performance fixes
Backend code optimization
Why work with me?
Fast debugging and issue resolution
Clean and maintainable fixes
Real-world backend development experience
Strong communication and support
Tech Stack:
Node.js, Express.js, MongoDB, REST APIs, Payment APIs, JavaScript.
Please contact me before placing an order so we can review the issue properly.
Get to know Adewale
Adewale
Softwae Engineer
- FromNigeria
- Member sinceMay 2019
Languages
English
Software engineer specialising in fintech applications, backend systems, payment integrations, and scalable APIs.
I build secure and high-performance solutions using Node.js, Express.js, MongoDB, React Native, and cloud infrastructure.
I have experience developing digital wallets, virtual card systems, payment gateways, crypto/stablecoin integrations, and real-time transaction platforms.
Focused on clean architecture, scalability, security, and delivering reliable products that solve real business problems.
My Portfolio
FAQ
What types of Node.js issues can you fix?
I can fix backend bugs, API errors, authentication problems, MongoDB issues, webhook failures, and payment integration bugs.
Can you debug existing projects?
Yes. I can work on existing Node.js and Express.js applications to identify and resolve issues.
Do you fix payment gateway problems?
Yes. I can troubleshoot Paystack, Flutterwave, Stripe, and other payment integration issues.
What technologies do you work with?
I primarily work with Node.js, Express.js, MongoDB, REST APIs, and backend infrastructures.
Can you optimize backend performance?
Yes. I can help improve backend efficiency, fix bottlenecks, and optimize API performance.
Do you provide deployment support?
Yes. Deployment and server troubleshooting support can also be provided if needed.
