Senior Software Development Engineer in Test, Mobile

Biofire Technologies is on a mission to give gun owners better tools for reducing preventable gun injuries and deaths, especially among children. We believe our technology, combined with a best-in-class customer experience, will define the future of firearms safety for the next generation. Our mission-driven approach has earned support from the firearm community, the tech world, and the media.
Biofire employees encompass a diverse range of talents, including world-class engineers who have designed and tested firearms, medical devices, robots, cars, satellites, rockets, and supersonic jets; expert technicians from aerospace, defense tech, special forces, and gunsmithing; and elite operators from high-tech, advanced manufacturing, and regulated industries. Whether building the product or powering the company behind it, every Biofire team member is united by an obsession with safety, reliability, and operational excellence.

Reducing accidental firearm injuries and deaths requires original thinking and authentic collaboration, so we’re deeply invested in building a team and culture that can achieve our mission together. Team members enjoy autonomy and flexibility from day one, so expect to be immediately tasked with solving challenging problems and building new systems that work. We’ll hold you accountable for executing audacious goals, giving and receiving honest feedback, and helping your teammates succeed. You’ll receive respect, kindness, and support from every direction while you figure out how to get it all done.

As a Senior Software Development Engineer in Test, Mobile at Biofire, you will play a pivotal role in owning the test strategy and execution for our iOS and Android apps, plus an integrated custom hardware platform built on AOSP. We are looking for someone who is systems-minded, highly analytical, and technically fluent across mobile and platform layers to contribute to our Engineering team and help ensure we ship safe, reliable product experiences at high velocity.

To succeed, you will need to be able to define a cross-functional test strategy, establish measurable quality baselines (including time-to-test), scale automation (including hardware-integrated testing), and strengthen CI/CD quality gates and release mechanisms. You will need to be a high-ownership technical leader, who is eager to make testing a first-class engineering experience and build a scalable quality system across mobile apps and an AOSP-based hardware platform. If you’re excited about helping to solve mission-critical challenges, we encourage you to apply.

Day-to-day responsibilities of the role will include:

• Define and own end-to-end test strategy across iOS, Android, and AOSP-based hardware; drive cross-functional alignment and stakeholder sign-off;

• Ensure high-quality test execution with minimal disruption to engineering throughput; establish and continuously improve quality standards, reporting, and feedback mechanisms;

• Establish time-to-test baselines and optimize test cycles, improving speed, reliability, and signal quality through data-driven initiatives;

• Scale automation for mobile and hardware-integrated testing, identifying gaps and delivering a plan to enable scale, including automation of key hardware-integrated test cases;

• Own CI/CD and release quality mechanisms, identifying gaps, improving monitoring and alerting, and enabling rapid, high-confidence feedback loops to development teams.

We understand that not all applicants will possess skills that perfectly align with our job qualifications. At Biofire, we appreciate diverse experiences from various industries, and we encourage all individuals who meet the necessary qualifications to submit their applications. While having the "desired" qualifications may strengthen a candidate's profile, we also welcome applicants with alternative experiences to apply.

• Systems-level quality engineering expertise across mobile applications plus hardware-integrated/platform testing; ability to architect for scale, efficiency, and high-signal outcomes;

• Strong CI/CD and rapid release experience, including quality gates, monitoring/alerting, and reducing time-to-detect/time-to-diagnose regressions;

• Mobile technical fluency across Android + iOS development, debugging, lifecycle/tooling, and real-world device behavior (performance, connectivity, peripherals);

• AOSP/platform depth sufficient to diagnose issues beyond the app layer (framework/services/build environment) and collaborate on OS-level changes when required;

• Track record building maintainable automation stacks, including designing and maintaining stable, readable automated test suites (e.g., Playwright or Selenium as applicable), and connecting automation strategy to CI/CD practices, smoke/regression coverage, and test signal quality;

• Analytical thinking, strong communication, and quality leadership, including mentoring engineers, leading by example, and driving data-informed decisions through clear, structured communication for the audience.

In addition to competitive pay, as a full-time employee at Biofire you are eligible for:

• Stock Options in Biofire, 401(k), HSA - and other financial benefits

• Medical Insurance - including plan options with $0 payroll deduction

• Dental, Vision and Life Insurance Plans - with $0 payroll deduction

• 3 Weeks Vacation and Sick time (Flex Time for salary positions), and 13 Paid Holidays

• Parental Leave - and other family-building, adoption and surrogacy benefits

The compensation range for this role is $165,000 - $190,000/annual salary + stock options + benefits.

Pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position may also include other elements dependent on the position offered. Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

This is a full-time, salaried role. Our dog-friendly, state-of-the-art headquarters is located in beautiful Broomfield, Colorado, between Boulder and Denver. The team regularly engages in collaborative in-person sessions at our vibrant office space, but you will be offered the flexibility to work from home as needed.
We expect you to bring your very best, and in return, we will provide the support necessary for you to excel. You'll collaborate with colleagues you appreciate, respect, and find inspiration from, and have access to all the technical resources needed.

We’re bringing innovation to a technological problem that has persisted for decades, so we depend on diverse, inclusive, and collaborative teams to break new ground and do great work. We welcome people from all qualified backgrounds, and we don’t discriminate based on race, religion, color, political affiliation, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

This role handles information subject to US Export Control Regulations. Applicants must be (a) a citizen of the United States; (b) a lawful permanent resident of the United States (“Green Card” holder); or (c) a person admitted into the United States as an asylee or refugee to be considered for the position.