Introduction & Company OverviewCatalyst is a leading technical advisory and construction technology SaaS company, operatingprimarily in Ireland and the UK. Our purpose is to make the built environment safer and greener. Wealso provide ESG services to funds, developers and corporations, supporting them in creating andmanaging safer, more sustainable places to live and work.We are seeking a dynamic and experienced senior QA Engineer with both manual and automationexpertise. The successful candidate will lead a small QA team and take full ownership of the QAfunction within our company.Role OverviewIn this role you will manage and guide our two existing QA engineers while remaining hands-on whenrequired. We have an automation framework in use, which you will be expected to extend andstrengthen. This role is critical to our software development lifecycle. You will be responsible fordesigning and executing tests to ensure our software runs smoothly, meets client needs, and is free ofdefects. You will work closely with the development team to identify issues, suggest improvements, andhelp deliver high-quality, reliable software. Our QA technology stack consists of:Unit, Selenium with .NET C#, Puppeteer, Swagger and PostmanAzure DevOps for CI/CD, work tracking, and test managementDocumentation tools: Confluence, Azure DevOps & SharePointWe are looking for an experienced senior QA Engineer to take ownership of the QA function within ourcompany. This is a hands-on leadership role where you will guide a small team, strengthen ourautomation framework, and ensure the quality of our products in a fast-paced Agile environment. If youare driven to improve quality, enjoy mentoring others, and thrive on delivering reliable software, we'dlove to hear from you.Key ResponsibilitiesLead and mentor a small QA team while remaining hands-on in testing activities.Drive automation by extending and enhancing the existing framework.Design, execute, and maintain manual and automated test plans.Own testing end-to-end, from requirements through to production release.Collaborate with product and development teams to define objectives and ensure quality.Analyse results, manage defects, and ensure timely resolution.Actively contribute to Agile ceremonies and product releases.Promote QA best practices and continuous improvement.Take direct responsibility for all QA artefacts (e.g., test cases, processes, automation repositories,documentation).Ensure QA activities support product and business objectives, demonstrating an understanding of andcommitment to the overall business plan.Maintain scalable test environments and comprehensive documentation.Essential RequirementsEligible to work in the Republic of Ireland.10+ years of professional QA experience, including at least 3 years in an Agile environment.Access to high-speed broadband (>100Mb download, >20Mb upload). This is a hybrid role.Extensive experience in web-based testing and browser developer tools.Strong background in continuous integration and delivery processes/tools.Proven expertise in test automation with Selenium (.NET C#) and Playwright.Experience with API testing (manual and automated, e.g., Postman/Swagger).Ability to improve test coverage and define the technical QA roadmap.Experience developing and maintaining test plans, test cases, and automation best practices.Experience with Jira, Confluence, or Azure DevOps for Agile project management.Excellent written and verbal communication skills.Strong analytical, planning, and organisational ability.Broad IT knowledge with the ability to adapt in a dynamic, fast-changing environment.Bachelor's degree in a relevant technical field, or equivalent experience.Good to Have (Not Mandatory)Familiarity with SQL and databasesMobile app testing (Android/iOS).Experience with CI/CD pipelines, scripting, and build maintenance.ISTQB or other software testing certifications.