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ethan_pak

ZhengJun Yu

@ethan_pak

Full Stack Developer

China
About me
Software Engineer with over 10 years of experience building websites, SaaS platforms, business systems, and automation tools. I have worked on products for investment research, healthcare, library management, and other business needs. I also have hands-on experience with US stock and cryptocurrency markets, technical indicators, and automated trading systems, including building trading bots. I can help turn an idea into a working product — from planning and system design to development, deployment, and launch.... Read more

Skills

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ethan_pak
ZhengJun Yu
Offline • 
Average response time: 1 hour

See my services

AI Strategy
I will create ai headshots for linkedin and business profiles
From$5 / projectMore details
Customization
I will develop a custom business website and shopify store
From$50 / projectMore details

Portfolio

Work experience

Chengdu_Tianruan Information Tech Co., Ltd.

Python Developer

Chengdu Tianruan Information Tech Co., Ltd.

Sep 2022 - Sep 2026 • 4 yrs

Responsible for system customization, development, and maintenance. Managed team tasks and technical coordination, including task assignment, progress tracking, and solving technical problems to ensure projects were delivered on time.