--- title: "Senior Software Engineer- Test" company: "Epirus" company_url: "https://www.remjobs.works/companies/epirus" url: "https://www.remjobs.works/job/epirus-senior-software-engineer-test-e884f08e-c5cf-48f3-9d7d-c79b1ae585e1" apply_url: "https://www.epirusinc.com/open-roles?gh_jid=6173465004" workplace: onsite location: "Torrance, California, United States" employment_type: unspecified seniority: senior role: software-engineering region: united-states skills: ["javascript", "react", "typescript"] date_posted: 2026-09-01T20:42:57.000Z first_seen_by_remjobs: 2026-09-15T14:59:29.157Z --- # Senior Software Engineer- Test **Epirus** · Torrance, California, United States Apply: https://www.epirusinc.com/open-roles?gh_jid=6173465004 ## About Epirus Epirus combines the latest in directed energy, long-pulse high-power microwaves (HPM), AI, and advanced electronics for unmatched electronic warfare effects. The Leonidas family of HPM systems by Epirus are the most effective non-kinetic cUAS and counter swarm solution on the market. ## About the role **About Epirus** Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less. **Job Summary:** We're looking for a Senior Software Development Engineer in Test with solid experience testing web-based UIs. This is a great opportunity to help define our end-to-end automation stack, joining a team of skilled software engineers developing across the full stack down to bare metal. We're tackling new and critical problems, building products ranging from energy weapons to AI-powered sensors and drone swarm defense. As we enhance, scale, and deploy our systems, we need SDETs who are eager to learn, contribute meaningfully, and grow their skills alongside a talented team. **Responsibilities: ** - Building and maintaining UI Test Automation infrastructure - Developing and maintaining a suite of UI driven end-to-end tests - Ensuring execution environments are maintained including simulation, HIL and on system - Building out automated test run infrastructure and monitoring CI/CD - Leveraging AI tooling to improve our automated testing process including metrics and reports - Documenting tests, organizing test reviews and communicating test coverage clearly to stakeholders - Assisting with our UI release pipeline and release documentation **Basic Qualifications:** - Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience - Minimum of 5 years of professional software development in test, test automation, or software engineering experience - Experience building and maintaining end-to-end automated test suites for web-based applications - Strong working knowledge of JavaScript and TypeScript - Experience testing React applications and modern front-end architectures - Experience with automated testing in CI/CD environments, including test execution, failure triage, and reporting - Experience developing test plans, test cases, and coverage strategies aligned to product and engineering requirements - Experience working with cross-functional teams to validate features, triage issues, and improve product quality - Strong written and verbal communication skills, including communicating test status, release risk, and quality outcomes to stakeholders **Preferred Skills and Experience:** - Experience testing across simulated, hardware-in-the-loop, or production-representative environments - Hands-on experience with Playwright UI automation and regression testing - Experience building/maintaining test infrastructure and tooling - Familiarity with release validation, release documentation, and signoff processes - Experience monitoring and improving CI health, including flaky test reduction and test stability improvements - Experience with unit, integration, and API testing frameworks such as Vitest, Jest, or similar tools **Additional Requirements:** - This is a hybrid role based in Torrance, CA, with an expectation of 4 days per week in the office to support team collaboration and cross-functional alignment. **ITAR REQUIREMENTS:** - To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR [here](https://www.pmddtc.state.gov/ddtc_public/ddtc_public?id=ddtc_kb_article_page&sys_id=24d528fddbfc930044f9ff621f961987).   At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. [Join us and rewrite the rules.](https://www.epirusinc.com/open-roles) *As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location. *For the state of California only, the range of starting pay for this role is: $171,000—$194,000 USD --- Source: Epirus's own career page, read by RemJobs. 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