I will develop backend apis with node js, dot net and sql


About this gig
I am a backend developer with experience building scalable, secure, and high-performance systems.
I can help you with:
- REST API development using Node.js or .NET
- Database design and optimization (SQL Server, PostgreSQL)
- Fixing bugs and improving performance
- Integration with third-party APIs
- Building clean and maintainable backend architectures
Why choose me?
- Strong experience in real-world backend systems
- Clean, scalable, and optimized code
- Fast communication and reliable delivery
I focus on delivering solutions that are production-ready and easy to maintain.
Please contact me before placing an order so we can discuss your requirements.
Get to know Andres R
Senior Backend Developer
- FromPeru
- Member sinceApr 2026
- Avg. response time19 hours
Languages
English, Spanish
FAQ
What technologies do you use?
I work with Node.js, .NET (C#), SQL Server and PostgreSQL. I can adapt to your stack if needed.
Can you fix issues in my existing backend?
Yes, I can debug, fix bugs, optimize performance and improve your current backend system.
Do you provide database design?
Yes, I can design and optimize databases, including tables, relationships and queries.
Can you integrate third-party APIs?
Yes, I can integrate external APIs such as payment gateways, CRMs or other services.
Should I contact you before placing an order?
Yes, please contact me first to review your requirements and ensure the best solution.

