Case Studies

Engineering narratives written like technical memos. Real patterns, honest outcomes.

Case Study 1

From Unstable Prototype to Deployable System

Hardening a vibe-coded MVP for production

Challenge

A startup had a working prototype built quickly with AI assistance, but it lacked error handling, security, and observability. They needed to ship to paying customers within 3 weeks.

Approach

• Comprehensive security audit (OWASP baseline, auth hardening)
• Type-safe data layer with Zod validation
• Structured logging and error boundaries
• CI/CD pipeline with automated testing
• Deployment checklist and rollback plan

Outcome

✓ Shipped on time with zero critical vulnerabilities
✓ 95% test coverage on critical paths
✓ Monitoring and alerting in place before launch
✓ Clear documentation for team onboarding

Stack: Next.js, Postgres, Vercel, GitHub Actions

Case Study 2

Reducing Risk and Shipping Cadence

Monthly coder-in-the-loop for a B2B SaaS

Challenge

A small team was shipping features but accumulating technical debt. Code reviews were inconsistent, and deployments were stressful. They needed ongoing oversight without hiring full-time.

Approach

• Weekly check-ins to review PRs and architectural decisions
• Established coding standards and PR checklist
• Automated pre-merge checks (linting, type checking, security scans)
• Incremental refactoring of high-risk areas
• Emergency support for production incidents

Outcome

✓ Deployment confidence increased (team self-reported)
✓ P0 incidents reduced from 3/month to 0.5/month over 6 months
✓ Code review turnaround < 24 hours
✓ Team velocity maintained while quality improved

Stack: React, Node.js, Postgres, AWS

These are example formats based on common engagement patterns. Specific details are anonymized.

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