Rachel Williamson
Saint Charles,MO
Summary
Results-driven Quality Engineer with over 5 years of experience specializing in manual testing for web and mobile applications. Proficient in writing test cases, tracking defects, and validating backend data through SQL. Collaborated effectively with automation teams to enhance test coverage and minimize post-production issues. Demonstrated expertise in Agile environments, prioritizing the delivery of dependable, user-ready software solutions.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Business/Systems Analyst II
Beacon Hill (Contracting for Charter Communications)
10.2024 - Current
- Executed Operational Readiness Testing (ORT) for internet, phone, and television services, resolving over 100 defects per quarter, improving system reliability and reducing customer-reported issues by 15%.
- Managed test execution and data validation, tracking defects using Octane and Jira, ensuring 95% defect resolution within the first 72 hours of discovery.
- Developed test plans and collaborated with engineering teams to resolve issues and improve system performance.
- Ensured compliance with security and operational standards to maintain consistent and effective testing processes.
Quality Engineer III
Walmart Global Tech
08.2022 - 08.2024
- Led and grew the QA team from 2 to 8 members, providing training and mentorship to improve manual testing processes and expand test coverage.
- Contributed to root cause analysis to determine core reason for failures and errors.
- Used Postman for API validation and SQL for supporting backend data checks.
- Authored comprehensive test cases across multiple releases and collaborated closely with the automation team to ensure high-priority test cases were automated, leading to increased test coverage.
Quality Engineer II
VOLT Systems
11.2019 - 08.2022
- Played a key role in the development and deployment of the Walmart VOLT application, which was used by over 40,000 unique users and ultimately acquired by Walmart.
- Oversaw comprehensive manual testing efforts across web and mobile platforms, including regression, smoke, and end-to-end test cycles.
- Developed and executed over X test cases, tracked X defects in Jira, and ensured comprehensive documentation in Confluence, improving overall testing efficiency.
- Performed manual testing on a legacy C# platform and supported early .NET migration efforts, using SQL for data validation and troubleshooting.
Education
Associate of Arts - General Studies
St. Charles Community College
Cottleville, MO05-2019
Bachelor of Science - Information Systems & Technology
University of Missouri–St. Louis
St. Louis, MOSkills
Tools & Platforms: Postman, TestRail, Jira, Octane
Testing Expertise: Manual testing, mobile & cross-browser testing, production smoke/ORT testing, regression
Technical Skills: SQL for data validation and analysis, API testing & troubleshooting
QA Methodologies: Defect lifecycle management, test case design & execution, release readiness coordination
Certification
- Software Testing Masterclass (2024) – From Novice to Expert at Udemy– Covers manual and Agile testing with hands-on work using Postman and GitHub
- Intermediate SQL at Codefinity– Covers grouping, filtering, and joins for real-world query optimization
Timeline
Business/Systems Analyst II
Beacon Hill (Contracting for Charter Communications)
10.2024 - Current
Quality Engineer III
Walmart Global Tech
08.2022 - 08.2024
Quality Engineer II
VOLT Systems
11.2019 - 08.2022
Bachelor of Science - Information Systems & Technology
University of Missouri–St. Louis
Associate of Arts - General Studies
St. Charles Community College
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