I will fix and optimize nodejs backend apis


About this gig
Fix, Optimize & Secure Your Node.js Backend APIs
Slow API?
Bugs in production?
I help startups and businesses fix backend issues, improve performance, and build reliable APIs. With 5+ years of experience, Ive delivered dashboards, booking systems, and enterprise tools for clients in France, Germany, and Tunisia.
What I can do for you:
- Fix backend bugs and production issues
- Optimize API performance & database queries
- Add or improve REST API endpoints (Node.js/Express)
- Integrate third-party services (payments, webhooks, external APIs)
- Implement basic security and token-based authentication
I focus on clean, scalable code, fast problem-solving, and thorough testing. Delivery includes tested endpoints, documentation, and guidance for smooth integration.
Message me today and Ill make your backend reliable, fast, and production-ready!
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 Med Amine ABED
Backend Developer : NodeJs APIs, Bug Fixing, Performance Optimization
- FromTunisia
- Member sinceDec 2020
- Avg. response time1 hour
Languages
English, Arabic, French
FAQ
What kind of backend issues can you fix?
I fix API errors, slow responses, authentication issues, database query problems, and integration bugs.
Which tech stack do you work with?
Node.js, Express, REST APIs, PostgreSQL/MySQL, JWT authentication, and third-party services.
Can you optimize API performance?
Yes! I improve response times, add pagination, caching suggestions, and optimize database queries.
Do you provide documentation?
Absolutely! Each package includes notes, Postman/cURL examples, or Swagger/OpenAPI docs.
Do you offer ongoing support?
Yes, I can provide follow-ups, debugging, or additional features after project delivery.
Can we negotiate the price?
I offer fair pricing based on the scope. For large or ongoing projects, feel free to message me to discuss a custom offer.

