Sr. Software QA Engineer

Bring more to life.

Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology?

At Molecular Devices, one of Danaher’s 15+ operating companies, our work saves lives and we’re all united by a shared commitment to innovate for tangible impact.

You’ll thrive in a culture of belonging where you and your unique viewpoint matter. And by harnessing Danaher’s system of continuous improvement, you help turn ideas into impact, innovating at the speed of life.

Join Molecular Devices and help drive scientific discovery for life science customers in academia, biotech, pharma, and government. Our automated and AI-enabled technology empowers researchers to tackle complex questions and gain deep insights, accelerating the development of safer, more effective therapeutics. As part of our team, rooted in collaboration, authenticity, and innovation, you’ll ultimately contribute to groundbreaking science that enhances lives globally and shapes a healthier future for all.

Learn about the Danaher Business System which makes everything possible.

The Senior Software QA Engineer is responsible for driving software quality strategy and comprehensive manual testing for key Molecular Devices software products, from sprint-level execution through full release cycles. This role defines test approaches, coverage models, quality standards, and data-driven quality metrics to reduce release risk and improve product readiness across complex imaging, acquisition, and analysis software workflows.

This position reports to the Software Engineering Manager and is part of the R&D – Software Engineering team located at Molecular Devices in San Jose, CA and will be an on-site  this role, you will have the opportunity to:

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 for manual test planning, test case design, exploratory testing, regression testing, test documentation, and defect lifecycle management using Jira or equivalent tools.

Champion quality early in the development lifecycle by participating in requirements reviews, architecture discussions, and sprint grooming for imaging, acquisition, and analysis software workflows.

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.

The essential requirements of the job include:

Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.
5+ years experience in software quality assurance, including ownership of manual test strategy, test planning, test case design, execution, and defect management for complex software products.

Strong hands-on experience with manual functional, integration, system, exploratory, and regression testing; familiarity or experience with creating and troubleshooting automated tests is a plus.

Experience validating software builds, documenting test results, investigating failures, and supporting release-readiness decisions; experience with CI/CD tools is a plus.

Experience using Jira or equivalent defect tracking and lifecycle management tools for defect management, test planning, sprint reporting, and cross-team quality visibility.

Travel, Motor Vehicle Record & Physical/Environment Requirements:

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…