# Xin Chen

> Backend Developer at Chowbus

Location: Greater Chicago Area, United States
Profile: https://flows.cv/xinchen

## Work Experience
### Senior Software Engineer @ Chowbus
Jan 2023 – Present

### Software Engineer - Delivery & Data Pipeline @ Chowbus
Jan 2022 – Jan 2024
• Leveraging Kafka and Protobuf to build a pipeline that captures delivery data changes and sync it from application to data lake seamlessly

### Software Engineer - Product Enablement @ Chowbus
Jan 2020 – Jan 2022
• Designed and built a decorator library to allow client service to simply wrap the object within decorator to have full access and control to billing data without worry about N+1 query
• Built the data model level cache that single object change only impact one object serialization cache instead of the whole request cache in JSON API serialization layer to improve 20% of overall server API latency and 30% for data intensive endpoints
• Led the team to build a billing report service which improved the performance of monthly statement data for single restaurant from more than 1 minute to less than 1 second
• Migrated company all billing and pricing data from monolith to dedicated billing services

### Software Engineer - API @ Chowbus
Jan 2019 – Jan 2020
• Implemented API Gate services for data warehouse and ported over 30% of monolith HTTPS traffics
• Created fraud dashboard and integrated with fraud detect service to auto block of fraud accounts to reduce fraud activities ratio from 1% to 0.15%.
• Internationalized membership service to support app use in different countries and currencies

### QA Engineer @ Chowbus
Jan 2018 – Jan 2020
• Created test cases for new features among all 5 iOS/Android mobile apps, react web app and backend
• Performed regression tests by constituting UI automation test (E2E) on iOS and web clients to check product
functionality in various devices and old version apps
• Built CI system in circle CI  which automatically ran regression tests and generated test result reports
• Developed integration test suits on Postman, and documented the entire endpoints with test cases and examples
• Planned test schedules and strategies in accordance with project scopes or delivery dates


## Education
### Master of Science - MS in Computer Science
Illinois Institute of Technology
Jan 2021 – Jan 2023

### Illinois Institute of Technology
Jan 2016 – Jan 2018


## Contact & Social
- LinkedIn: https://linkedin.com/in/xin-chen-177788129

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Source: https://flows.cv/xinchen
JSON Resume: https://flows.cv/xinchen/resume.json
Last updated: 2026-03-22