Position: Senior Software Engineer
Category: Node.js
English level: upper
Years of experience: 5

Created cache pre-populating job which drastically improved app performance.
Optimized SQL queries for the heavy-load parts of the system.
Reviewed the quality of code for the business-critical paths.
Implemented reverse proxy using Node (typescript) and Redis to utilize it for caching.
Implemented various services for grouping and transforming data.
Built various REST APIs for frontend services.
Conducted demos and presentations to stakeholders about our product and its use.
Designed and implemented performance tests for load testing microservices in isolation.