I will architect scalable complex systems for your ai or project

W
wandengwu
W
wandengwu
Winston

About this gig

Need help with backend logic, bug fixes, feature additions, or refactoring legacy code?


I'm a senior software developer with 20+ years of experience in Python, Java, and C++, including large-scale systems at Nokia and Alibaba Cloud. I specialize in building robust, maintainable, and scalable backend solutions.


What I Can Help You With:

- Fix critical bugs or tweak small scripts

- Build or extend REST APIs and microservices

- Refactor old/spaghetti code to modern standards

- Integrate databases (SQL / NoSQL)

- Review your code and suggest improvements


My Deliverables:

- Clean, well-documented, and tested code

- Clear explanation of what was changed and why

- (Optional) Source code files (.py, .java, .zip, etc.)


Why Choose Me?

- Fast delivery (with optional rush service)

- Clear communication I ask the right questions before starting

- ️ Reliable I deliver on time, every time

- Experienced 20+ years in enterprise software development


Please message me before ordering so we can confirm scope, tech stack, and expectations.


️ Note: This gig is for backend / server-side work not UI/UX design or frontend development.


Lets get your project done right lets talk!

Get to know Winston

Winston

Research and Development Manager

  • FromChina
  • Member sinceJul 2026
  • Avg. response time4 hours
  • Languages

    Chinese, English
I am a senior software architect and tech leader with over 20 years of experience, including 18 years at Nokia and core development at Alibaba Cloud. I specialize in building scalable, high-performance cloud-native architectures and AI/ML infrastructure. My expertise spans microservices, distributed systems, and legacy system modernization. I bring enterprise-grade engineering rigor to designing robust backend systems and leading large-scale R&D teams.