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Lena Witko

@lenawitko

Senior QA Engineer at DevTeam Inc. who scaled SmarterDX e2e regression coverage to ~85%.

At DevTeam Inc., I led automation efforts for SmarterDX (Pieces), growing e2e regression coverage to ~85%. I own testing for new platform features and maintain Cypress e2e suites.

For SmarterDX, I partner with customers and developers in sprint planning and grooming to shape acceptance criteria and test scope. I also authored and maintained test plans and test cases.

On Ripl, I tested web, iOS, and Android clients and developed Python API tests that reduced the manual coverage burden on core endpoints. I also coordinated task allocation and mentored a junior QA.

At iTechArt Group, I tested ClassPass across iOS, Android, web, and admin-panel surfaces, and mentored and coordinated a QA team of 4. Earlier, as a freelance QA Tester, I tested UI/UX, HTML, and CSS for projects through Test.io.

Experience

Work history, roles, and key accomplishments

Current

Senior QA Engineer

Current

DevTeam Inc.

Apr 2021 - Present (5 years 5 months)

Led automation efforts that grew e2e regression coverage to ~85%, cutting manual regression time and catching issues earlier in the release cycle. Owned functional, GUI, regression, smoke, and ad-hoc testing for new features across the platform.

Cypress Jira Zephyr Postman Bruno Swagger Docker Git AI Tools Copilot Cursor Claude Code Notion AI

QA Engineer

DevTeam Inc.

Mar 2019 - Jun 2025 (6 years 3 months)

Built and ran functional, GUI, regression, acceptance, exploratory, and smoke testing across web, iOS, and Android clients. Developed automated API tests in Python, reducing manual coverage burden on core endpoints.

Jira TestRail Postman Navicat Python Chrome DevTools Android SDK

QA Tester

Freelance

Sep 2016 - Dec 2018 (2 years 3 months)

Tested UI/UX, HTML, and CSS for multiple projects via the Test.io crowd-testing platform. Tested a desktop and iOS education app for US students, including database and admin-panel workflows.

WordPress HTML CSS Trello Browser DevTools Fiddler

QA Engineer

iTechArt Group

Aug 2014 - Aug 2016 (2 years)

Tested iOS, Android, web, and admin-panel surfaces, covering UI, functional, integration, regression, localization, usability, and basic security testing. Mentored and coordinated a QA team of 4, assigning test scope, reviewing test cases, and aligning testing approach with sprint goals.