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# Senior Software Engineer in Test

- **Company:** Illumina, Inc
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $129,400.0 - $194,000.0
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, Bioinformatics, C Sharp (Programming Language), Code Coverage, Continuous Integration, Data Visualization, Python (Programming Language), Software Product Management, Software Engineering, Information Technology, Performance Monitor, Software Coding
- **Published:** August 13, 2026
- **Apply:** https://illumina.wd1.myworkdayjobs.com/illumina-careers/job/US---Remote/Senior-Software-Engineer-in-Test_43130-JOB-1

## About the Role

* Experience developing production-quality code using Python or C#
 * Familiarity with CI/CD tools, workflows, and troubleshooting them
 * Prior background in writing and maintaining automation for complex systems
 * Strong problem-solving skills
 * Ability to collaborate effectively with co-workers on and outside the team

Desired:

 * Experience testing data-intensive, scientific, or computational analysis software
 * Familiarity with custom automation frameworks
 * Working knowledge of Python data visualization libraries
 * Basic proficiency with the software release process documentation and deliverables
 * Prior experience with benchmarking and performance monitoring of software on hardware
 * Exposure with product software lifecycle tool(s)

Education & Experience:

 * Bachelor's degree or higher in Computer Science, Engineering, Bioinformatics, or a related field (or equivalent experience)
 * 5+ years of professional experience developing production-ready software code and tests

## Description

* Design, implement, and maintain custom test frameworks used to run and test Illumina's primary analysis software
 * Work with the development team to understand new software changes and accordingly adapt tests
 * Identify gaps in existing tests and proactively develop new tests to improve reliability and coverage of tests
 * Investigate test failures, triage issues, and work with developers to diagnose root causes
 * Expand and maintain test coverage as primary analysis capabilities and responsibilities evolve
 * Ensure tests are clear, well-documented, reproducible - supporting long-term maintainability


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