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Gary Yin
@garyyin007
Develop Director
China
Chinees
Over mij
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.
Skills
Gary Yin
offline •
Gemiddelde reactietijd: 1 uur
Bekijk mijn diensten
Bugfixes
I will build a scalable backend and rest API using java or nodejs
Bugfixes
I will maintain the spring boot rest API
Portfolio
Werkervaring
Founder
YXTech • ZZP
Dec 2019 - Present • 6 yrs 5 mos
Independent Consultant & Software Developer (Self-employed) Running my own practice on two fronts. Client Services Partnering with early-stage startups as a long-term technical partner — covering the full journey from product design and development through to deployment and ongoing operations. Rather than one-off projects, I grow alongside my clients and provide continuous technical support as their business scales. Independent Products In parallel, designing and developing niche vertical software products targeting specific industries and user segments.
Technical Director
SHELL & COLR Ltd. • Fulltime
Jul 2014 - Aug 2019 • 5 yrs 1 mo
Technical Director — Social Network & Content E-Commerce (6 years) Over 6 years, I led the technical direction across two major product phases. Phase 1 — UGC Social Network (4 years) Built a mobile-first social platform (iOS & Android) where users could post short-form content, discover others, and build communities around shared interests. I established the development team, defined the architecture, and personally wrote ~90% of the backend code. Phase 2 — Content-Driven Social E-Commerce (2 years) Pivoted the platform into a content-commerce hybrid (iOS, Android & WeChat Mini Program), where users discover products through editorial content, and earn commissions by sharing items via WeChat — a model similar to China's leading social commerce platforms. I maintained my role as Technical Director throughout, continuing to lead the team and own the core backend development end-to-end.
Technical Director
Beijing Joyme • Fulltime
Jul 2011 - Jun 2013 • 1 yr 11 mos
Technical Director — Gamer Social Network Led the technical direction for a gaming-focused social network platform, where users could post, share, like, and comment on game-related content, follow other players, and build their gaming community. As Technical Director, I established and grew the development team, defined the overall technical architecture, and personally wrote the core platform code — overseeing the product from the ground up.
