About Jiachen
English
Native or bilingual
Chinese
Native or bilingual
Experience
- NIO (Digital Development)Staff EngineerJune 2024 - Today (2 years)Amsterdam, NetherlandsBuilt the European SRE ecosystem from scratch, integrating backend engineering with AI automation for high-reliability, costefficient infrastructure.Delivered multi-cloud (AWS, Azure, Huawei Cloud) pricing & tracking for 100+ microservices, saving ~15% monthly.Developed Spring Boot + Kubernetes DB migration platform with automated failover & metadata sync — cut migration time by 80% , doubled reliability.Created Java/Go/Agent auto-kill platform for CPU, I/O, blocking, deadlocks — reduced DB incidents by 70%+.Integrated Prometheus, ClickHouse, MySQL into T+1 billing & anomaly alert pipeline.Decommissioned low-value services, reducing resource usage & operational overhead.
- Huawei (Digital Power)SREOctober 2023 - June 2024 (8 months)The Hague, NetherlandsMigrated millions of solar facilities to cloud platform with zero downtime.Implemented proactive maintenance strategy, reducing production issues.Managed RDS, ECS, Kafka, Redis procurement — reduced annualized cloud spend by €300K within three months.
- Huawei (Digital Power)Full-Stack EngineerAugust 2021 - August 2023 (2 years)Shenzhen, Guangdong Province, ChinaUnified multiple web apps into cloud framework using Java, Spring Boot, React, Nginx, Docker, Kubernetes.Led cloud transformation projects, improving efficiency & verification speed.Managed Kubernetes microservices with zero post-launch defects.Conducted cloud tech training, enhancing team delivery capabilities.
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Education
- B.Sc. Computer EngineeringUniversity of Pittsburgh2021B.Sc. Computer Engineering