# Tzu-Chia Chiu > Software Engineer Location: San Francisco Bay Area, United States Profile: https://flows.cv/tzuchia Software engineer with 3+ years of experience building Java frameworks and backend systems with Java, Spring Boot, Spring Framework, Redis, Kafka, SQL, NoSQL, MyBatis, Hibernate. Strong expertise in algorithms, data structures, and object-oriented design. Highly adaptable to fast-changing environments. ## Work Experience ### Software Engineer @ Meta Jan 2024 – Present ### Software Engineer @ SHEIN Technology LLC Jan 2023 – Jan 2024 ### Software Engineer @ UNICON International Jan 2023 – Jan 2023 - Collected system requirements by doing customer surveys, interviews, and prototype demos. - Developed full-stack air quality systems for county and state governments to regulate and analyze over 100K industrial users using Spring, and SQL Server. The system improves the decision-making process by over 30%. - Built and normalized/denormalized databases and table structures, maintained over 1000 tables and 10M+ records. Improve future development productivity by reducing the effort of maintaining duplicate data. - Refactored SQL scripts and service code, boosted the performance by over 50% for 20+ queries across the system. ### Software Engineer @ UNICON International Jan 2020 – Jan 2020 ### Software Engineer @ Lead Advance Technology Jan 2019 – Jan 2020 | Taipei City, Taiwan - Developed backend systems of sports lottery using Spring Boot, Hibernate, MyBatis, Redis, Kafka, MySQL, and MongoDB. The system handles 1000+ concurrent users with daily active users over 100K. - Improved future productivity by at least 50% by decoupling the validation service from the sports betting service. - Used Spring Boot Cache and Redis to implement the cache mechanism. Cached 20+ most commonly called APIs in the system and increased the average response time across all APIs from 1s to 200ms. - Improved the availability of odds information puller service by introducing redundancy and ZooKeeper. Reduced the time to recover service from 20 minutes to within 1 minute. - Mentored and assisted junior developers; conducted code reviews weekly to ensure the high quality of code. ### Software Engineer @ Potix Corporation Jan 2018 – Jan 2019 | Taipei City, Taiwan - Developed an open-source Java Web Framework(ZK) using Java, Spring, TypeScript, jQuery, HTML, and Less. The framework achieves an average of 4+ times productivity boost for building enterprise web and mobile apps. - Created and refined 30+ ZK web components used by 1000+ developers across 100+ organizations globally. - Wrote test scripts using JUnit and Selenium to cover all test cases. Improved the code coverage from 60% to 90%. - Produced technical documents and blogs for user training and collected feedback for future product improvement. ## Education ### Master's degree in Computer Science Illinois Institute of Technology Jan 2021 – Jan 2022 ### Bootcamp in Integrated Course on Enterprise-Level Information Technology Institute for Information Industry Jan 2017 – Jan 2018 ### Bachelor's degree in Radio, Television and Film Shih Hsin University Jan 2010 – Jan 2015 ## Contact & Social - LinkedIn: https://linkedin.com/in/charleschiu1218 --- Source: https://flows.cv/tzuchia JSON Resume: https://flows.cv/tzuchia/resume.json Last updated: 2026-03-22