Chao Wang
Member Of Technical Staff at Chronosphere
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolChao Wang is a Member of Technical Staff in New York with nine years building high-scale observability and distributed systems across Chronosphere, Uber, and Amazon. He focuses on tracing, metrics, and logging, bringing deep backend expertise in sharding, data distribution, and validation logic for time-series platforms. His open-source work includes substantive contributions to the M3 distributed TSDB (improving shard scheme construction for non-contiguous shards) and to Prometheus’ OpenMetrics validation, showing attention to correctness and production-grade parsing. At Uber he held a senior staff engineering role driving metrics and logging efforts, and at Chronosphere he continues to specialize in tracing infrastructure. He pairs academic foundations from Rutgers and Beijing Jiaotong University with pragmatic experience shipping critical telemetry components at scale. Colleagues would note his penchant for refining validation rules and subtle data-distribution edges that improve reliability in large metric systems.
9 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Bachelor's degree at Beijing Jiaotong UniversityMaster's degree, Master's degree at Rutgers, The State University of New Jersey-New Brunswick
Github Skills (7)
timeseries-database10
tsd10
go10
aggregations10
metric10
prometheus9
testing7
Programming languages (3)
Github contributions (5)
m3db/m3
Aug 2016 - Dec 2021
M3 monorepo - Distributed TSDB, Aggregator and Query Engine, Prometheus Sidecar, Graphite Compatible, Metrics Platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:30 reviews, 346 commits, 128 PRs in 5 years 4 months
Contributions summary:Chao's contributions focused on implementing the core sharding and data distribution logic within the M3 monorepo, including the addition of a shard scheme constructor for non-contiguous shards. These changes involved the creation of new code for managing and distributing shards to improve the data management capabilities of the distributed time-series database. The commits included modifications to existing sharding packages.
distributedquerymonorepoquery-enginesidecar
prometheus/OpenMetrics
Jun 2021 - Jul 2021
Evolving the Prometheus exposition format into a standard.
Role in this project:Back-end Developer
Back-end DeveloperContributions:16 reviews, 12 commits, 14 PRs in 24 days
Contributions summary:Chao primarily contributed to the development of OpenMetrics validation logic within the `prometheus/openmetrics` repository. Their work involved adding and refining a scrape validator component, including the implementation of validation rules for metric types such as counters and histograms. The user also added build targets to test golang parser and differentiate error level. Moreover, the user performed code refactoring and enhancements in the validation test cases.
expositionprometheus-exporterprometheus
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.