• Shipped Next.js/Tailwind frontend (Vercel) + FastAPI/Postgres backend (VPS) for live booking + admin → enabled 100% self-serve customer bookings
• Implemented rate limiting, caching, and schema validation → reduced user-visible errors by 25% and improved API reliability
• Automated CI/CD with GitHub Actions (lint, tests, builds, scripted deploys) → cut release time by 40% and enabled daily deployments
• Structured repos, environments, and PR checks → onboarded 3 contributors smoothly with consistent code style
• Applied Agile/DevOps practices with logs/metrics → prioritized roadmap by real customer usage, improving retention