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'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