Frontend Performance and E2E Quality
An anonymized professional case study covering frontend performance improvements and automated regression guards across a large product matrix.
Case studyProblem
Critical product flows needed better loading performance and stronger automated regression coverage.
Solution
Improved initial loading by approximately 30%, added Puppeteer E2E automation, and built regression coverage for critical flows across a broad scenario matrix.
Responsibilities
- Investigated and improved frontend initial loading performance.
- Built Puppeteer E2E automation for critical flows.
- Created regression guards across a test matrix covering more than 1,000 levels or scenarios.
Achievements
- Improved initial loading by approximately 30%.
- Reached approximately 90% critical-flow coverage.
- Covered more than 1,000 levels or scenarios in the test matrix.
Technologies
- React
- TypeScript
- Puppeteer
- Performance profiling
- E2E automation
Frontend CPU
Production React and TypeScript interfaces built around reusable components, accessibility, responsive behavior, and performance.