Sr. Software Development Engineer in Test; SDET

Who we are

At Luna Health, we are driven by a singular mission‑ to bring the transformative power of insulin automation to the masses. We are a venture‑backed medical device startup that aims to make life with insulin‑requiring diabetes simpler and safer with innovative hardware and software. Our founders are industry veterans with firsthand experience managing diabetes, for themselves or for their child, and a track record of helping people with intelligent, simple‑to‑use medical products.

We offer a revolutionary approach to nighttime glucose control for people unwilling or unable to use a traditional insulin pump. Part world’s smallest patch pump, part first‑of‑its‑kind closed loop insulin dosing algorithm, our solution automatically adjusts insulin doses overnight allowing users to start days feeling refreshed and worry‑free.

We are seeking a highly motivated and experienced Sr. Software Development Engineer in Test (SDET) to join our team reporting to the Director of Software Engineering. You will work to improve software quality by implementing testing processes throughout the entire software development lifecycle for our mobile apps, firmware, and cloud services. This includes embedding automated tests into development pipelines and creating efficient processes for resolving any bugs or defects.

You will take a holistic approach to software quality and help shape the direction of software testing. This means testing code changes early and often to improve quality and reduce the overall burden on the development teams. To be successful, you will bring a strong technical acumen and soft skills.

Please note that this is an on‑site role and you must live within a reasonable commuting distance of the Luna Health site in San Diego, CA.

Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time.

• Test Development and Validation
  • Design, develop, execute, and maintain product E2E tests for system integrations
  • Ownership of the test plan & validation strategy for software releases
  • Maintain the continuous integration environment
  • Define system tests to assess correctness of system functionality
  • Automate screenshot testing against the GUI requirements spec
  • Automate Bluetooth testing of a medical device peripheral
  • Run tests, analyze test results against expectations, and help debug observed quality issues
• Maintenance and Sustaining
  • Test compatibility of new iOS releases and Apple phones
  • Regression test and validate open‑source package updates
  • Stay informed on known bugs and vulnerabilities in open‑source package dependencies
  • Actively monitor for product and data quality issues during internal testing and clinical trials
  • Qualification of new development tools (e.g., Xcode)

• At minimum, a Bachelor's degree in Computer Science, Engineering, or related field
• 5+ years of software testing experience
• Programming experience using Swift or another OOP language
• Expertise writing Cucumber tests in the Gherkin language for a native iOS application
• Xcode XCUITest development experience
• Experience developing & validating software in a regulated industry (e.g., medical, government, etc.)
• Familiarity with writing protocols for software verification and validation
• Demonstrated cross‑functional collaboration
• Knowledge of test frameworks and strategies for iOS, Google Cloud Platform, and Node.js

• A no‑jerk policy - we seek the best and brightest talent who are fun to work with
• Equity - we are just setting off on this journey, and you will get in from the start
• Excellent health benefits - we depend on it ourselves as a team that has or cares for people with diabetes

The first step is to apply for this job on our website. Next, we will schedule a virtual interview with the hiring manager to introduce you to the company and the role. Finally, we will invite you on‑site to discuss your experience and meet the team.

We are in a hurry to find the right person – not in a hurry to hire – so we will take time getting to know you and making sure that you will be an excellent fit for the work that we are…