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I am a software engineer and QA professional with 20+ years of experience across Oracle, Microsoft, and UNIX environments. I specialize in building scalable applications, database engineering, automated and manual testing, UAT facilitation, and enterprise system integration. I actively leverage AI tools such as ChatGPT and GitHub Copilot to accelerate test case generation, optimize SQL, analyze defects, and streamline documentation. I excel at bridging legacy and modern tech, collaborating with cross-functional teams, and delivering high-quality solutions. My background includes leading testing efforts, coordinating migrations (e.g., Jira, ServiceNow, Confluence), and supporting on-call production environments. I hold an active security clearance and am committed to continuous learning and AI-assisted engineering to improve quality and speed.…I am a software engineer and QA professional with 20+ years of experience across Oracle, Microsoft, and UNIX environments. I specialize in building scalable applications, database engineering, automated and manual testing, UAT facilitation, and enterprise system integration. I actively leverage AI tools such as ChatGPT and GitHub Copilot to accelerate test case generation, optimize SQL, analyze defects, and streamline documentation. I excel at bridging legacy and modern tech, collaborating with cross-functional teams, and delivering high-quality solutions. My background includes leading testing efforts, coordinating migrations (e.g., Jira, ServiceNow, Confluence), and supporting on-call production environments. I hold an active security clearance and am committed to continuous learning and AI-assisted engineering to improve quality and speed.

William (Chris) Nixon

QA Engineer, Web Developer, Programmer, +2

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I am a software engineer and QA professional with 20+ years of experience across Oracle, Microsoft, and UNIX environments. I specialize in building scalable applications, database engineering, automated and manual testing, UAT facilitation, and enterprise system integration. I actively leverage AI tools such as ChatGPT and GitHub Copilot to accelerate test case generation, optimize SQL, analyze defects, and streamline documentation. I excel at bridging legacy and modern tech, collaborating with cross-functional teams, and delivering high-quality solutions. My background includes leading testing efforts, coordinating migrations (e.g., Jira, ServiceNow, Confluence), and supporting on-call production environments. I hold an active security clearance and am committed to continuous learning and AI-assisted engineering to improve quality and speed.…I am a software engineer and QA professional with 20+ years of experience across Oracle, Microsoft, and UNIX environments. I specialize in building scalable applications, database engineering, automated and manual testing, UAT facilitation, and enterprise system integration. I actively leverage AI tools such as ChatGPT and GitHub Copilot to accelerate test case generation, optimize SQL, analyze defects, and streamline documentation. I excel at bridging legacy and modern tech, collaborating with cross-functional teams, and delivering high-quality solutions. My background includes leading testing efforts, coordinating migrations (e.g., Jira, ServiceNow, Confluence), and supporting on-call production environments. I hold an active security clearance and am committed to continuous learning and AI-assisted engineering to improve quality and speed.

Available to hire

I am a software engineer and QA professional with 20+ years of experience across Oracle, Microsoft, and UNIX environments. I specialize in building scalable applications, database engineering, automated and manual testing, UAT facilitation, and enterprise system integration. I actively leverage AI tools such as ChatGPT and GitHub Copilot to accelerate test case generation, optimize SQL, analyze defects, and streamline documentation.

I excel at bridging legacy and modern tech, collaborating with cross-functional teams, and delivering high-quality solutions. My background includes leading testing efforts, coordinating migrations (e.g., Jira, ServiceNow, Confluence), and supporting on-call production environments. I hold an active security clearance and am committed to continuous learning and AI-assisted engineering to improve quality and speed.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Javanese

Advanced

Amharic

Intermediate

Work Experience

QA Software Engineer at Linenmaster, LLC

November 1, 2024 - September 1, 2025

Designed, executed, and maintained manual and automated test cases for web and mobile applications; developed Python scripts for automation and data validation; used AI tools to generate test scenarios, optimize SQL, and analyze defects; produced AI-assisted regression suites; supported UAT and CRM/ERP testing; created backend data validation queries.

Application Developer II at Washington University

April 1, 2022 - June 1, 2024

Supported enterprise applications using AutoSys, SQL, PL/SQL, and cloud-based tools; debugged integrations; provided 24/7 on-call support; produced Confluence documentation and executed UAT for cloud technologies; performed lifecycle activities and assisted with ETL/ERP/data warehousing; led migrations and cross-browser testing; mentored junior staff.

Programmer Analyst II at BI-State Development

December 1, 2013 - March 1, 2022

Supported agency systems including smart card ticketing, IVR, and real-time transit systems; conducted data analysis with SQL/PLSQL; wrote/tested scripts for upgrades; performed UAT and on-call troubleshooting; collaborated on ETL and data warehousing efforts; documented requirements and training materials.

Software Test Engineer at Enterprise Holdings International

February 1, 2012 - December 1, 2013

Designed and executed software test plans; manual and automated testing; created automated scripts and drivers; tracked defects and performed retesting; evaluated test requirements; conducted code reviews and QA process improvements.