Niall Barrett

QA Engineer | API, UX/UI & End to End Testing | Driving high-quality releases in Agile teams

Ireland

About

I’m a Quality Assurance Engineer with experience delivering high-quality software in Agile environments, with a strong focus on API testing, UX/UI validation, and end to end product quality. Over the past several years, I’ve: • Led QA efforts within cross functional teams to ensure stable and reliable releases • Performed in depth API testing to validate data integrity, system behaviour, and integrations • Conducted UX/UI testing to ensure intuitive, consistent, and user friendly product experiences • Identified critical defects early in the development cycle, reducing production issues and improving release confidence • Supported onboarding and mentoring of QA team members to strengthen team performance I’ve worked with companies like Workvivo (a Zoom company) and Flutter Entertainment, gaining experience across complex, high traffic platforms. Core strengths: • API Testing (Postman / endpoint validation / data integrity) • UX/UI & exploratory testing • Test case design & regression testing • Defect analysis & prevention • Agile / Scrum collaboration • QA leadership & mentoring Currently focused on progressing into senior or lead QA roles where I can contribute to quality strategy and improve both product performance and user experience.

Experience

  • Workvivo (a Zoom company) (2 yrs 7 mos)
    • Quality Assurance Engineer
      Jan 2024 - Present · 2 yrs 7 mos

    • Quality Assurance Engineer
      Jan 2024 - Present · 2 yrs 7 mos

      Lead QA Engineer on a cross-functional Agile team of five developers, responsible for validating and delivering high-quality product features in a fast-paced, dynamic environment. Own the entire QA lifecycle for features and bug tickets—from requirements analysis to test planning, execution, and production release. Perform and manage a wide range of testing types including API Testing, Integration Testing, UI/GUI Testing, Regression, Non-functional Testing, and Performance Testing using both manual and automated approaches.

  • Quality Assurance Analyst at Flutter Entertainment Plc
    May 2022 - Jan 2024 · 1 yr 9 mos

  • Quality Assurance Analyst at Flutter Int.
    May 2022 - Jan 2024 · 1 yr 9 mos

    Reviewed and analyzed casino game specifications, game logic, and user flows to create detailed and targeted test plans and test case scenarios based on business and technical requirements. Conducted thorough testing across Web and Native Applications on multiple platforms (Windows, macOS, iOS, Android) including cross-browser compatibility testing. Specialized in Functional, Regression, Smoke, Sanity, Localization, and UAT testing, identifying and documenting critical bugs and edge cases.

  • VerticalScope Inc. (5 yrs 4 mos)
    • Quality Assurance Analyst
      Feb 2020 - May 2022 · 2 yrs 4 mos

    • Senior Quality Assurance Analyst
      Feb 2017 - May 2022 · 5 yrs 4 mos

      QA team lead. Onboarding & training of new team members to maximise proficiency with testing tasks. Defined the quality standards and metrics for the current projects life cycle while working with key stakeholders to ensure that the quality metrics are determined and continuously reviewed. Setting goals and objectives for QA team members as well as motivating the larger team. Fostered a dynamic and inclusive environment enabling team members to make good quality informative & quick decisions.

    • Development support specialist
      Mar 2018 - Mar 2020 · 2 yrs 1 mo

  • Territory Sales Manager at Sensus Communication Solutions
    Aug 2016 - Feb 2017 · 7 mos