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Sphinx Defense

Full Stack Engineer

Remote (Remote)From $130kfull-timemidAdded today

About this role

Sphinx seeks a Full Stack Engineer to develop mission planning and command-and-control software for space communications. You'll build responsive frontends and robust backend services for a national security platform, owning features end-to-end in a collaborative, security-focused environment.

What you'll do

  • Build intuitive, responsive user interfaces using React, Angular, Vue, TypeScript, and modern web technologies
  • Develop and maintain backend services, APIs, and databases using Python, SQL, and RESTful architecture
  • Own small-to-medium features from development through testing, deployment, and production support
  • Write and maintain automated unit, integration, and functional tests to validate software quality
  • Collaborate with QA and cross-functional teams to understand requirements, troubleshoot issues, and validate functionality
  • Participate in code reviews, communicate technical considerations early, and contribute to product improvements

What they're looking for

  • JavaScript, TypeScript, HTML, CSS
  • React, Angular, or Vue
  • Python backend development
  • RESTful API design and integration
  • SQL and relational databases
  • Docker and containerized architectures
  • Automated testing frameworks
  • Git and version control
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Sphinx Defense

Sphinx Defense builds ground communications and data-transport systems supporting US government satellites, with a focus on scalable backend infrastructure and software-defined SATCOM capabilities. The company is hiring Backend Engineers to develop core platform services and experienced Chief Engineers to provide technical leadership and serve as primary engineering authorities for satellite communications programs.

View all jobs at Sphinx Defense

Likely interview questions

  • Walk us through a full-stack feature you owned from design to production—what backend and frontend decisions did you make?
  • Describe your experience translating design mockups and user requirements into functional interfaces. How do you handle ambiguity?
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