# Mark Liu

> Software Engineer looking for new position.

Location: Sunnyvale, California, United States
Profile: https://flows.cv/markliu1

## Work Experience
### Software Development Engineer @ Tonal
Jan 2023 – Present | California, United States
~ Designed and developed backend systems for a Customer Exercise Record System, enabling user and admin access to fitness exercise summaries and suggestions, achieving 94% customer satisfaction.
~ Led the creation of a Workout planning System with AI features, leveraging user history to improve workout recommendations.
~ Played a key role in developing a comprehensive membership management system that handled user subscriptions, renewals, and access controls, improving customer retention and providing seamless management for the admin team. Increase user subscription by 30%

### Senior Software Engineer @ Michaels Asia
Jan 2021 – Jan 2023 | California, United States
~ Spearheaded the Internal Order System development, implementing functions for canceling, returning, and payment checks, improving system traffic efficiency by 200%.
~ Led the development of a Customer Assistant System using JavaScript, Node.js, GCP, and Redis, managing both system design and backend implementation, supporting seamless agent handoffs for customer support.
Developed a Sales Forecasting System, responsible for the backend tasks, including database integration and generating optimal sales predictions. Implemented by Python and TensorFlow

### Software Engineer @ Wisconsin Whey Protein Inc.
Jan 2016 – Jan 2021 | Turtle Lake, Wisconsin, United States


## Education
### Master's degree in Computer Science
Illinois Institute of Technology


## Contact & Social
- LinkedIn: https://linkedin.com/in/mark-liu-36946932b

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Source: https://flows.cv/markliu1
JSON Resume: https://flows.cv/markliu1/resume.json
Last updated: 2026-04-11