I will maintain the spring boot rest API

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garyyin007
G
garyyin007
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.

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