Open to opportunities

Cheng Zhang

@chengzhang

Message

A software engineer with expertise in front-end and back-end development and AI infra.

Canada

Message

What I'm looking for

remote, work time flexible

I am a skilled software engineer with expertise in front-end and back-end development. With a Master's in Computer Science and experience at companies like Unfrozen and Yuanfudao, Cheng has built scalable applications and optimized performance. Passionate about blockchain and innovation, Cheng thrives in collaborative environments. An avid skier, Cheng brings resilience and a dynamic perspective to challenges.

Experience

Work history, roles, and key accomplishments

Lead Software Engineer

Urfrozen

Jun 2023 - Jan 2025 (1 year 7 months)

Led a 5-person team in managing a B2B e-commerce platform using UniApp (frontend) and Spring Boot + AWS (backend). Delivered multilingual support and cross-platform deployment (iOS, Android, Web, H5). Optimized global homepage response time to under 500ms.

Spring Boot user data security E commerce Development Backend Infrastructure

Senior Software Engineer

Sensors Data

Jun 2020 - May 2023 (2 years 11 months)

Led retention and lifecycle modules for a marketing analytics SaaS platform; delivered bug-free, micro-frontend–compatible features with 100% client satisfaction. Optimized data-heavy visualizations, reducing response time from 800ms to 100ms.

cloud products Data Analysis Project Management

Software Engineer

yuanfudao

Jul 2018 - Aug 2020 (2 years 1 month)

Developed hybrid mobile features with iOS/Android teams for an education app, scaling from 0 to 10M users. Achieved 98% compatibility across versions/devices and 99% user satisfaction. Built a Node.js-based PDF rendering microservice handling 1000 QPS using open-source browser engines.

Vue.Js React NodeJS SQL Mobile Apps

Front-End Engineer

NetEase Happy E-Commerce

Jul 2016 - Jun 2018 (1 year 11 months)

Participated in full-stack frontend development (PC and mobile) for NetEase E-commerce, supporting tens of millions of users through component refactoring and performance optimization, maintaining a 99.99% system availability rate.

UI Development Vue HTML CSS e commerce systems