Kiefer Land
AI Quality & Evals Engineer
As agents write more of the code, the scarce resource becomes verified trust, and someone has to build the machinery that produces it.
Track record
Scaling QA throughput with Claude Code agentic workflows — custom /ship and /loop skills and MCP integrations, including an eval-graded custom skill scoring 100% vs. a 61.9% baseline. Grew an internal Next.js/Supabase app's test suite from 316 to 940+ tests at 100% line+branch coverage on changed files, hardened with Stryker mutation testing (80% → ~94%), plus a live-database RLS integration suite. Shipped 6 side projects this year using autonomous agent pipelines with full CI gate discipline (+53K verified lines merged in a single month).
Built an AI-assisted test case generation system in ChatGPT with human oversight for requirements analysis, test planning, and scenario authoring — improving test coverage 35%. Used GitHub Copilot and VS Code Agent Mode to cut regression cycle time 50%.
Promoted to Software QA Engineer I at TCWGlobal — expanded API automation coverage 30% → 70% (Postman/Newman, Jenkins CI) and E2E automation 20% → 80% (Playwright). Earned an M.S. in Cybersecurity & Information Assurance from Western Governors University.
Promoted to Software QA Analyst at TCWGlobal (Oct) — authored 150+ functional and edge-case regression scenarios and led QA through a PHP → Next.js/NestJS migration with zero rollbacks. Earned a B.S. in Cybersecurity & Information Assurance from Western Governors University.
Started at TCWGlobal as an IT Support Technician (Feb) — built an IT asset management system (70% better inventory accuracy) and managed the lifecycle of 150+ devices with NIST 800-88–compliant data disposal. Promoted to Junior System Administrator (Dec) — automated MacBook provisioning with Jamf (60% faster new-hire setup) and led security hardening across 250+ Windows/Linux systems, sustaining 99%+ uptime.