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I will maintain the spring boot rest API


Gary Yin
About this gig
Are you looking for a robust, scalable, and high-quality solution for your Java backend? With nearly 20 years of experience in software architecture, I provide professional development services tailored to your specific business needs.
Whether you need to squash a persistent bug, expand your current system's capabilities, or build a brand-new module from scratch, I deliver clean, maintainable code that follows industry best practices.
What I Offer:
- Custom Spring Boot Application Development: Building high-performance microservices and distributed systems.
- Expert Bug Fixing: Deep-dive debugging to resolve complex logic issues, performance bottlenecks, or security vulnerabilities.
- API Integration & Development: Designing and implementing RESTful APIs with comprehensive documentation.
- New Functional Modules: Seamlessly integrating new features into your existing codebase without breaking current functionality.
- Database Optimization: Expert management of PostgreSQL schemas, migrations, and complex query optimization.
Why Choose Me?
- Senior Expertise: Decades of experience managing large-scale Java environments.
- Clean Code: Fo
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Get to know Gary Yin
Gary Yin
Develop Director
- FromChina
- Member sinceMar 2026
- Avg. response time1 hour
Languages
Chinese, English
Founder & Senior Engineer | 15+ yrs Java · Full-Stack · Cloud · AI
I'm building a virtual companion platform where every character's personality is LLM-driven — so I know AI product challenges firsthand.
Background:
15+ yrs Java — Spring Boot, microservices
10+ yrs full-stack — React, React Native, Vue
5+ yrs cloud — GCP, AWS, Alibaba Cloud
AI/LLM — TypeScript / Node.js, RAG, OpenAI / Anthropic
I can help with: backend APIs, full-stack apps, cloud DevOps, AI features & consulting.
Send me a message — happy to talk first.
