Code Quality & Testing

Four-phase structured debugging methodology enforcing root cause analysis before applying fixes.

RED-GREEN-REFACTOR cycle with testing anti-patterns reference for disciplined TDD.

Pre-review checklist and structured approach to requesting code reviews.

Fast iteration with two-stage review — spec compliance first, then code quality.

Ensures fixes are verified before declaring tasks done — prevents false completions.

Structured approach to responding to code review feedback constructively.

Test local web apps using Playwright for automated UI verification and debugging.

Twenty-five production engineering skills — TDD, code review, debugging, security hardening, performance — from Chrome's Addy Osmani.

Debug and fix failing GitHub Actions PR checks using log inspection and analysis.

Address review and issue comments on open GitHub PRs via CLI automation.

Modern Python tooling with uv, ruff, ty, and pytest best practices.

.NET performance investigations, debugging, and incident analysis: dump analysis, perf profiling, GC tracing, async hangs, and production triage workflows.

Run, diagnose, and migrate .NET tests: test execution, filtering, platform detection, MSTest workflows, coverage analysis, anti-patterns, and migrations across xUnit/MSTest versions.

General-purpose browser automation using Playwright for testing and scraping.

Perform thorough code reviews with structured feedback.

Systematic bug detection using static analysis patterns and code inspection.

Pairwise Independent Combinatorial Testing for optimized, minimal test suites.