Demo

Software Engineer

Ursa Major
Berthoud, CO Full Time
POSTED ON 12/12/2025
AVAILABLE BEFORE 6/9/2026
The future of aerospace and defense starts here.

Ursa Major was founded to revolutionize how America and its allies access and apply high-performance propulsion, from hypersonics to solid rocket motors, satellite maneuvering and launch. We design and deliver propulsion and defense systems that solve the most urgent and critical national security demands.

The Software Engineering team at Ursa Major has an opportunity for an early career software engineer. In this role, you will directly impact our ability to scale our rocket engine design, test, and manufacturing capabilities. Our team supports these capabilities by designing software systems that optimize the inner loops of critical processes and expose the relationships in our data. The ideal candidate will have a strong engineering foundation and experience working on full-stack networked services. You will be a great fit for our team if you have a growth mindset, are tenacious in attacking both problems and opportunities, and are a clear and open communicator.

Key Responsibilities

  • Collaborate with a small, supportive, and cross-functional team of Software Engineers
  • Support our propulsion test and development teams with a cutting-edge data processing, automation, and visualization framework
  • Build high quality and reliable software while balancing agility and ability to deliver timely value to stakeholders
  • Implement and maintain automated tests to support high-impact, fearless refactoring and ensure smooth, bug-free deployments
  • Leverage CI/CD, GitOps, and other modern development practices to keep velocity high and toil low
  • Participate in task planning and estimation alongside experienced mentors
  • Create clear and concise documentation

Qualifications

  • Engineering or Computer Science degree, or equivalent experience as a Software Engineer
  • Proficiency with Python
  • Proficiency with a statically typed and compiled language (such as C or Rust)
  • Experience with writing queries for SQL databases
  • Experience with Linux and shell scripting
  • Comfortable with a container-based development workflow
  • Excellent problem solving, project management, and communication skills

Desired Experience

  • Master’s degree in engineering or computer science
  • Experience developing software in aerospace or other highly technical field
  • Experience working with time-series data

Colorado law requires us to tell you the base compensation range of this role, which is $95,000 - $130,000, determined by your education, experience, knowledge, skills, and abilities. What we can’t quantify for you are the exciting challenges, supportive team, and amazing culture we enjoy. Click here for more information about our awesome benefits.

Classification: Full-time Exempt

Benefits Include: (Please note, Interns are not eligible for benefits)

  • Unlimited PTO - Vacation, Sick, Personal, and Bereavement
  • Paid Parental and Adoptive Leave
  • Medical, Dental and Vision Insurance
  • Tax Advantage Accounts (HSA/FSA)
  • Employer Paid Short and Long Term Disability, Basic Life, AD&D
  • Additional Benefit Options Including Voluntary Life and Emergency Medical Transport
  • EAP Program
  • Retirement Savings Plan - Traditional 401(k) and a Roth 401(k)
  • Equity Grants in the Company

How To Apply

Interested candidates are encouraged to apply by filling out the application below and clicking "Submit Application". This position will be posted for a minimum of 3 days and will remain open until filled or adjusted based on the volume of applicants.

NOTE: Research suggests that women and BIPOC individuals may self-select out of opportunities if they don't meet 100% of the job requirements. We encourage anyone who believes they have the skills and the drive necessary to succeed here to apply for this role.

US CITIZENSHIP, PERMANENT RESIDENCY, REFUGEE OR ASYLUM STATUS IS REQUIRED.

Eligibility to obtain and maintain a U.S. Security Clearance.

We’re an equal-opportunity employer. You will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

No outside recruiters, please.

Salary : $95,000 - $130,000

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