Manual QA Engineer

QA Engineer — Novateur Tech Solutions

Denver, CO | July 2023 – Present

• Authored 450+ detailed test cases in TestRail for a high-traffic SaaS e-commerce platform, identifying 120+ high-severity bugs prior to major releases and reducing post-production escape defects by 22%.
• Led functional and regression testing cycles for 14 cross-browser web applications using Chrome DevTools and BrowserStack, which accelerated the weekly deployment timeline by 6 hours.
• Executed API testing using Postman to validate JSON payloads and HTTP response status codes, finding 45 schema mismatches that saved the engineering team an estimated 18 hours of troubleshooting.
• Constructed complex SQL queries in PostgreSQL to verify data integrity during a database migration, validating over 1.2M records and ensuring zero data loss across 8 core production tables.

QA Analyst — OmniChannel Retail Systems

Boulder, CO | June 2021 – June 2023

• Validated mobile applications on iOS and Android platforms using Xcode and Android Studio, reporting 85+ critical interface and crash bugs that improved user app store ratings from 4.1 to 4.6.
• Partnered with 3 product managers to define clear acceptance criteria in Jira, reducing late-stage scope changes by 18% and ensuring on-time delivery of 12 consecutive product sprints.
• Performed exploratory and usability testing on a payment gateway integration, uncovering 14 critical edge-case transaction errors that prevented a potential $12,000 in monthly processing leakage.
• Maintained the shared regression test suite in TestRail, streamlining test coverage by removing 15% redundant test cases while increasing overall test execution speed by 25%.

Manual test execution, Test case design, Regression testing, Functional testing, API testing, SQL queries, Exploratory testing, Cross-browser testing, Mobile testing, Jira, Postman, TestRail, Chrome DevTools, Charles Proxy, GitHub

API Verification Initiative

Role: Lead QA Tester

Tools: Postman, Newman, JSON, GitHub

Designed a suite of 180 automated verification assertions in Postman, reducing integration test cycles by 40% and detecting 12 integration defects prior to release.

E-Commerce Checkout Revamp

Role: QA Analyst

Tools: Jira, TestRail, Charles Proxy, SQL

Mapped and executed 250+ functional test cases for a new multi-currency checkout system, reducing checkout abandonment by 6% by resolving 18 critical UI and payment flow bugs.

• ISTQB Certified Tester Foundation Level (CTFL) (2021)
• Certified Associate in Software Testing (CAST) (2022)
• ISTQB Certified Tester Advanced Level - Test Analyst (CTAL-TA) (2024)

• Languages: English (Native), Spanish (Conversational)
• Volunteer Work: Mentored 12 aspiring QA professionals through local technology meetups (2023–Present)
• Availability: 2 weeks notice