févr. 2022 - Présent
1. Led RTB Ad Supply Platform, using multi-threading for Ad
Exchange requests.
2. Boosted system throughput from 50 to 260 QPS within 200ms
Bid Response time limit.
3. Optimized data aggregation, storing 8x data in PostgreSQL, but
spend only 1/4 of time.
4. Managed data pipeline, sending Ad logs to Azure, aggregating
with Spark, storing in PostgreSQL.
5. Implemented Cassandra and Cache for lower latency during high
traffic.
6. Used tests (integration, unit, K6) to enhance code quality and
validate logic.
7. Employed Jenkins, Gradle, Docker and Git with Sourcetree for
CI/CD and version control.
8. Monitored servers with Prometheus, Grafana, and VisualVM for
heap memory usage.
9. Troubleshot abnormal data, analyzing trailing logs to identify and
address root causes.
10.Collaborated with users, breaking down business logic into story
tasks in Scrum sessions.