Sachula Chen
@sachulachen
Backend engineer specializing in Java, cloud infrastructure, and platform reliability.
ChinaWhat I'm looking for
I am a backend engineer with seven years of experience focused on Java development and AWS cloud infrastructure, delivering platform work for business services, data governance, and CI/CD optimization. I lead large-scale migrations, rapid infrastructure rollouts, and reliability improvements that reduced onboarding time and cleared billions of historical rows while maintaining service stability.
I automate workflows to boost engineering efficiency, build standardized solutions and tooling, and drive cross-team technical support. My work emphasizes meticulous processes, security compliance, and measurable results—such as migrating 100+ services, enabling 150+ services onboarding in new regions, and fixing coverage detection for 80+ services.
Experience
Work history, roles, and key accomplishments
Staff Backend Engineer
Coupang
Apr 2021 - Oct 2025 (4 years 6 months)
Led migration and infrastructure rollout for Eats platform, migrating 100+ services to new AWS accounts and enabling 150+ services to onboard a new region within two weeks; implemented data governance clearing ~4 billion rows and improved service stability via thread-pool isolation and HA Jenkins upgrades.
Java Development Engineer
Meituan
Nov 2019 - Jan 2021 (1 year 2 months)
Developed and optimized core dispatch and idle-driver guide systems, improving order assignment efficiency via city-wide driver-passenger matrix processing and enhancing stability with circuit breakers and stress testing.
Java Development Engineer
Ziroom
Apr 2018 - Nov 2019 (1 year 7 months)
Contributed to an Accounting Platform and financial system integrations, delivering core modules (settlement, invoices) and improving performance via async processing and local caching; also implemented frontend pages for financial tools.
Education
Degrees, certifications, and relevant coursework
Shenyang University of Technology
Bachelor's Degree, Computer Science and Technology
2014 - 2018
Completed a Bachelor's degree in Computer Science and Technology focusing on core computing fundamentals and software development practices.
Availability
Location
ChinaAuthorized to work in
Job categories
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