Sr. Software QA Engineer

About the role

At Molecular Devices, one of Danaher’s 15+ operating companies, you’ll drive software quality strategy and test automation for key life-science software products. From sprint-level execution through full release cycles, you’ll define test architecture, coverage models, quality standards, CI/CD quality gates, and data-driven quality metrics to reduce release risk and improve product readiness across complex workflows. This on-site role reports to the Software Engineering Manager in Downingtown, PA.

Responsibilities

• Own and drive QA strategy for key software products, including test architecture, coverage models, and quality standards across Agile sprint execution and product release cycles.
• Establish and enforce testing standards and best practices across coding guidelines, test documentation, TeamCity CI/CD quality gates, and Jira defect lifecycle management.
• Champion quality early in the development lifecycle by participating in requirements reviews, architecture discussions, and sprint grooming for HCS.ai and IN Carta® workflows.
• Mentor junior and mid-level QA engineers through test case reviews, test script reviews, technical guidance, and knowledge sharing.
• Drive continuous improvement of QA processes using Danaher Business System principles to reduce waste, rework, and systemic quality gaps, while collaborating cross-functionally with software engineers, product owners, application scientists, and hardware teams.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field; Master’s degree preferred.
• 5+ years experience in software quality assurance, including ownership of test strategy and automation architecture for complex software products.
• Hands-on proficiency with modern end-to-end automation frameworks such as Cypress, Playwright, or equivalent tools, plus scripting experience in TypeScript, Python, or C#.
• Experience configuring or using CI/CD pipelines such as TeamCity, Jenkins, or GitHub Actions to support quality gates, build health monitoring, and pipeline reliability.
• Advanced experience using Jira for defect lifecycle management, test planning, sprint reporting, and cross-team quality visibility.

Work Environment & Travel

• Ability to work in an office and laboratory/instrument environment as needed to support software verification and instrument-software integration testing.
• Occasional travel may be required for cross-site collaboration, product validation, or team/customer engagement.

Preferred Qualifications

• Experience with HCS.ai, IN Carta®, or similar high-content imaging and analysis software platforms in a life science or laboratory automation environment.
• Hardware-software integration testing for lab instrument systems such as imaging platforms, automated liquid handlers, or robotic workflows.
• Professional use of AI-assisted development tools such as GitHub Copilot for test script generation, refactoring, migration support, or coverage gap analysis.

Benefits

Molecular Devices offers a broad array of comprehensive, competitive benefit programs including paid time off, medical/dental/vision insurance, and a 401(k) plan for eligible employees.

Pay

The annual salary range for this role is $105,000 - $135,000. This role is also eligible for bonus/incentive pay.