Senior Software Engineer- Test

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'relooking for a Senior Software Development Engineer in Test with solid experience testing web-based UIs. This isa great opportunityto 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'retackling 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 andmaintainingUI Test Automation infrastructure

• Developing andmaintaininga suite ofUI drivenend-to-end tests

• Ensuringexecution environmentsaremaintainedincluding simulation, HIL and on system

• Buildingout automated test run infrastructure and monitoringCI/CD

• LeveragingAItooling to improve our automated testing processincluding metrics and reports

• Documenting tests,organizingtestreviewsand communicatingtest coverage clearly to stakeholders

• Assistingwith our UIrelease pipeline and release documentation
  

Basic Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience

• Minimum of5years of professional softwaredevelopmentin test, test automation, or software engineering experience

• Experience building andmaintainingend-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/CDenvironments, 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 tovalidatefeatures, triage issues, and improve product quality

• Strongwritten 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/maintainingtest infrastructureandtooling

• 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 asVitest, Jest, or similar tools

Additional Requirements:

• This is a hybrid role based in Torrance, CA, with an expectation of4days 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 ITARhere.

At Epirus,you'llwork with technical peers and great peopleand get first crack at some of the defining technology challenges of our time. Here, "impossible" is just a challenge.We'rea diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions.Join us and rewrite the rules.