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Hans

AI QA Engineer

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Kansas City, Missouri, United States
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Competencies

Claude APIIntermediate

Demonstrated experience with Claude API.

Agentic Loops & Tool-Use OrchestrationIntermediate

Demonstrated experience with Agentic Loops & Tool-Use Orchestration.

LLM Planner / Tool Registry DesignIntermediate

Demonstrated experience with LLM Planner / Tool Registry Design.

RAG (ChromaDB)Intermediate

Demonstrated experience with RAG (ChromaDB).

Prompt & Context EngineeringIntermediate

Demonstrated experience with Prompt & Context Engineering.

Education

B.S.
Park University
1996
B.A.
Park University
1992

Summary

AI QA Engineer open to new opportunities

Experience

Sr. Performance Test Engineer (Contract)

U.S. Department of Agriculture
2021 - 2025

Designed and executed LRE/VuGen scripts (C-based) across Web HTTP/HTML, TruClient, REST, and Web Services protocols, including script enhancements, correlation, and authentication troubleshooting (LDAP, SAML, SSO) in an Agile/Scrum framework.. Led performance testing for AWS/Kubernetes migration — validated scalability and ensured SLA compliance (<5s transactions, <2s services), increasing throughput 40%.. Integrated AppDynamics, Prometheus/Grafana, AWS X-Ray, Splunk, and SiteScope for observability and root-cause analysis, reducing defect resolution time 35%.. Performed performance testing across heavily integrated, multi-system environments — validating end-to-end transaction flows across REST/SOAP APIs, back-end services, and third-party system dependencies to ensure stability and SLA compliance under load.. Mentored junior engineers in performance engineering best practices and expanded defect detection coverage through broader integration test scenarios.

Programmer / Software Engineer

Sprint / Embarq / CenturyLink
2000 - 2017

LoadRunner specialist for 9 years (2008–2017); developed and enhanced C-based VuGen scripts, scaled systems to 12,000+ TPS, increased throughput 35%, and maintained SLA compliance across Web, SAP, Citrix, and TruClient protocols in Agile/Waterfall environments.. Supported SAP CRM, ERP, BRIM, and FI modules with load, stress, volume, and scalability testing.. Conducted performance testing across complex, tightly integrated enterprise systems — including SAP, billing platforms, and internal APIs — identifying cross-system bottlenecks and validating data flow integrity under simulated production load.. Built LoadRunner automation frameworks reducing data preparation time 50% and improving defect detection 30%.. Additional roles: Test Environment Operations (3 yrs), PeopleSoft Administration (2 yrs), COBOL/CICS Programmer (5 yrs).

Programmer Analyst

Yellow Freight
1997 - 1999

Developed and maintained COBOL, DB2, JCL, and CICS mainframe applications; converted from intern to full-time based on strong performance.

Skills

Claude APIAgentic Loops & Tool-Use OrchestrationLLM Planner / Tool Registry DesignRAG (ChromaDB)Prompt & Context Engineering
Published on CazVid - Aug 15, 2026
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