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Sphinx Defense

Backend Engineer

Remote (Remote)$138k–$167kmidAdded 1 month ago

About this role

Sphinx is hiring a Backend Engineer to build core platform services for a ground communications system supporting US Government satellites. You'll design scalable, secure backend infrastructure using modern cloud technologies while mentoring junior engineers and working end-to-end on technical problems.

What you'll do

  • Design and develop core backend services for satellite ground communications platform
  • Build and maintain multi-tenant APIs and services on AWS/cloud platforms
  • Lead technical architecture decisions and mentor junior engineers
  • Implement infrastructure-as-code and automation for security and deployment
  • Own technical problems from conception through production deployment
  • Collaborate with cross-functional teams on platform ecosystem integration

What they're looking for

  • Python and FastAPI
  • PostgreSQL database design
  • AWS (or Azure/GCP) cloud platforms
  • Docker and Kubernetes containerization
  • Terraform infrastructure-as-code
  • API design and backend service architecture
  • Security and automation best practices
  • Leadership and mentorship

Benefits

  • Salary $138,000–$167,000 with quarterly bonuses
  • Equity ownership in the company
  • 100% employer-covered medical, dental, and vision insurance
  • 401(k) employer contribution plan
  • Flexible paid time off and remote work policy
  • Health Savings Accounts and life insurance
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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

  • Describe a multi-tenant service you built on a cloud platform—how did you handle data isolation and security?
  • Tell us about a time you owned a technical problem end-to-end. What challenges did you face and how did you resolve them?
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