Junior DevOps/DataOps & Analytics Engineer — LLC Commercial Bank RostFinance
- Deployed, administered, and supported services in a geo-distributed Kubernetes cluster.
- Monitored cluster health in Grafana and performed routine cluster maintenance.
- Administered PostgreSQL, MSSQL, and MySQL at scale (user management, query optimization, advanced window functions).
- Designed, implemented, and maintained ETL pipelines in Apache Airflow (full & incremental loads into an enterprise DWH).
- Implemented data validation and reconciliation with automated anomaly detection, reducing data discrepancies by ~40%.
- Built dashboards in Apache Superset for reporting and executive decision-making, cutting manual effort by ~75%.
- Developed proprietary inference optimization reducing latency by 73% vs baseline.
- Maintained legacy Java microservices (support, bug fixes, stability improvements).
- Developed internal banking analytics microservices in Python.
- Built a computer vision system to detect customer visits in bank operation halls.
- Fine-tuned a wav2vec model for internal banking tasks.