Built an ETL pipeline in Python and Logstash to process 100K+ data points into Elasticsearch, enabling 10+ teams to visualize performance bottlenecks on Grafana.

Improved query speed by 21% by cleaning 4,300+ test records using C# and SQL.

Proposed and led AHP-based scoring for test results, cutting false negatives by 43% and saving 2+ hours/week.

Developed a shift scheduling system with TypeScript and React, using batch validation to replace manual entries and reduce errors across 500+ weekly shifts.

Optimized role-based queries in PostgreSQL from 1200ms to 70ms by implementing Redis caching in Ruby on Rails, improving permission checks and reducing database load.

Maintained CI/CD pipelines with GitHub Actions and Docker, integrating RSpec tests to halve runtime and enable reliable daily deployments.