CI Pipeline Speed Optimization
Take a slow CI pipeline (>20 min) and cut it to under 5 minutes. Document every optimization.
GitHub Actions or GitLab CIDockerBazel or Nx (for monorepos)
About this project
Slow CI is silent productivity loss. This project teaches the systematic optimization: identify bottlenecks (caching, parallelism, test selection), apply each fix, measure the impact. Pick an open-source project with slow CI, fork it, optimize, and submit your changes as PR.
Why build this in 2026?
Fast CI is a $100k+/year productivity win at most companies. Specialty hiring opportunity.
What you'll ship
- Before/after timing comparison
PR with the optimizations
Writeup explaining each technique
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Skills you'll practice
cicdgithub actionsdocker