I will build custom backend apis and integrate third party services


About this gig
Need reliable backend APIs for your product?
I help businesses build custom backend APIs, implement business logic, and integrate third-party services.
With 14 years of software engineering experience and 7 years in technical leadership, I have worked on large-scale platforms serving millions of daily active users and systems integrating thousands of games.
What I can help with:
- Custom REST API development
- Backend modules and business logic
- Database design and integration
- Third-party API and service integration
- API debugging, testing, and documentation
- Improving existing backend services
My focus is on clear requirements, maintainable code, and reliable deliverynot just making an endpoint work.
Before ordering, please share your requirements, preferred technology stack, and any relevant documentation. I will review the scope and confirm whether I can support your project.
Let's build a backend that works reliably.
Get to know Vincent Yip
Senior Backend Engineer System Architecture 14 Years Experience
- FromChina
- Member sinceNov 2026
Languages
Chinese, English
