Felix Yuan
Senior Software Engineer at Moddio (Mod Studio)
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolFelix Yuan is a Senior Software Engineer in San Francisco with 10+ years building full-stack systems, data infrastructure, and reliable backend services across startups and large companies. He specializes in Python (with strong Go and Node experience) and routinely operates across layers—from Postgres and Redshift to Airflow, memcached, and Kubernetes—delivering on-time rollouts and zero-downtime migrations. At Reddit he built Postgres exporters, managed replicated DBs and mass memcached upgrades; as a founding engineer at GatherMade he owned the initial product, payments, auth, and GCP infrastructure. He’s an active backend contributor to the prometheus-community/postgres_exporter project, where he refactored collectors and fixed subtle DB metric bugs. Comfortable in both hands-on engineering and team-building, Felix combines deep debugging skill with pragmatic system design to keep production systems healthy under load.
10 years of coding experience
13 years of employment as a software developer
Bachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at Case Western Reserve University
Chinese
Stackoverflow
233reputation
90kreached
3answers
1question
Github Skills (16)
go10
prometheus10
postgresql10
sql10
database-design9
monitoring9
wal8
dockers7
docker7
python-poetry6
sql-server6
orm6
dictionary6
sqlalchemy6
python6
Programming languages (7)
Github contributions (5)
prometheus-community/postgres_exporter
May 2023 - Nov 2024
A PostgreSQL metric exporter for Prometheus
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:29 reviews, 29 PRs, 59 comments in 1 year 5 months
Contributions summary:Felix's primary contributions involved enhancing the functionality of the `prometheus-community/postgres_exporter` repository, which is a PostgreSQL metric exporter for Prometheus. They focused on refactoring the codebase, moving queries from a configuration file to dedicated collector files, and implementing new collectors such as those for database wraparound, autovacuum, and WAL receiver metrics. Furthermore, the user implemented several bug fixes, ensuring that the collector handled null values correctly and addressed type-related issues.
exporterprometheus-exporterprometheuspostgresqlmetrics
Sticksman/postgres_exporter
May 2023 - Nov 2024
A PostgreSQL metric exporter for Prometheus
Contributions:161 pushes, 26 branches in 1 year 5 months
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