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 develop mission planning and command and control software for space communications, focusing on creating high-quality user interfaces and full-stack solutions. Your role will involve leading development efforts, mentoring junior engineers, and ensuring software quality through collaboration with QA and adherence to best practices. You will utilize modern technologies and frameworks to build scalable, secure applications that support U.S. Government needs.
- 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 progressively responsible web or software development experience using modern development approaches
- Strong front-end development experience with JavaScript, TypeScript, HTML, CSS, and modern frameworks such as React, Angular, and/or Vue
- Strong full-stack fundamentals with the ability to work effectively with backend systems, including Python, API development and integration, and application architecture
- Experience working with relational databases and SQL
- Understanding of modern containerized and microservices architectures using technologies such as Docker and Kubernetes
- Excellent communication skills and experience working with end users and cross-functional teams
Nice to have
- Experience designing and developing user interfaces with real-time, 2D/3D geospatial visualizations
- Experience building software for mission-critical, defense, aerospace, or other 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
- Hybrid role with location flexibility, but may require working within highly secure government environments
- No mention of specific technologies or frameworks beyond those listed, which may limit exposure to other modern tools
- Role involves significant responsibility for mentoring and leading, which may not suit all candidates
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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