or apply directly on Sphinx Defense's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 22 days Sphinx Defense's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- Yes 60% of Sphinx Defense's roles list one
- Ghost-job risk at Sphinx Defense
- high 15 stale, 0 reposted of 25 open
- Hiring momentum
- 34 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Sphinx Defense's own greenhouse board since 2026-08-03. Full hiring picture for Sphinx Defense.
About this role
As a Senior Full Stack Engineer at Sphinx, you will lead the development of user interfaces and contribute to backend services for mission planning and command control software in the space sector. Your role involves applying modern front-end technologies, collaborating with QA, mentoring junior engineers, and ensuring high-quality software delivery. You will also engage in the full software development lifecycle, focusing on scalability, security, and usability.
- benefits
- 3/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Sphinx Defense as an employer.
What you need
- 5+ years of web or software development experience
- Strong front-end development experience
- Extensive experience with JavaScript, TypeScript, HTML, CSS, and modern front-end frameworks
- Strong full-stack fundamentals including Python and API development
- Experience with relational databases and SQL
- Understanding of containerized and microservices architectures
Nice to have
- Experience designing user interfaces with real-time geospatial visualizations
- Experience building software for mission-critical or highly secure environments
- Actively hold a U.S. Government Secret Clearance
What you get
- Competitive salary
- Meaningful equity ownership
- Profit sharing
- Employer 401(k) contribution
- 100% employer covered medical, dental, and vision insurance for you and your dependents
Worth weighing
- Role involves significant technical leadership and mentoring responsibilities
- Hybrid work model with locations in Colorado Springs, El Segundo, or Chantilly
- No specific mention of modern tech stack beyond JavaScript and Python
- Must be a U.S. citizen and eligible for security clearance
Summarised from Sphinx Defense's posting. Read the full original.
Listed by Sphinx Defense on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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