"The app is slow. Fix it." — said by the founder, with no further context. Is the homepage slow? Checkout? API responses? For which users? On mobile? Under what conditions? Turning vague business pressure into actionable performance work requires measurement before code.
A user submits a GDPR deletion request. You have 30 days to comply. But their data is in the main DB, the analytics DB, S3, Redis, CloudWatch logs, third-party integrations, and three months of database backups. You have 30 days. Start now.
Master GitHub Actions with reusable workflows, OIDC-based AWS authentication, matrix builds, and caching strategies to reduce build times and eliminate secrets management.