Shaohai Ren
FreeWheel - Director engineering
- Role
- Director of Software Engineering at Comcast Advertising
- Location
- Reston, VA, US
- LinkedIn followers
- 500 followers
About Shaohai Ren
I’m Shaohai Ren, Director of Software Engineering at FreeWheel (a Comcast company), where…
Experience
Director of Software Engineering
May 2024 — Present · US
Led the Data Access Layer (DAL) team, overseeing the design, development, and maintenance of critical backend systems, including the Data Access Layer, Search Server, and Streaming Server, supporting high-throughput, low-latency services for multiple business units.Spearheaded AWS cost management initiatives for the team\'s accounts, resulting in a 15% cost reduction over 6 months by optimizing resource provisioning, adopting spot instances, and refining storage strategies.Designed and optimized data models across RDBMS (e.g, MySQL), NoSQL (e.g, DynamoDB), and Search systems (e.g, OpenSearch, Solr) to ensure scalability, performance, and resilience for applications handling over 1 billion queries per day.Collaborated with product and ops teams to define and deliver performance benchmarks and SLAs, achieving 99.99% availability across all core data services in the past year.Introduced automated schema evolution tools and query analysis frameworks, reducing manual effort in database migrations by 30% and improving query efficiency by 20%
Education
Hebei Jobs
Bachelor of Science (BS), Electronic information engineering
2002 — 2006
Skills
- Linux
- Software Development
- Python
- 性能测试
- Android
- Ios
- Test Management
- Java
- Test Automation
- Project Management
- 测试自动化
- Shell
- Postgresql
- Mysql
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