Senior Backend Engineer - Space Communications (Remote)

Sphinx Defense; United States; On-site; USD 160,000 - 185,000; Full time

Benefits offered by this job

Equity ownership

Profit sharing

401(k) plan

Full family health insurance

Job summary

Sphinx Defense is seeking a Senior Backend Engineer to join the Space Communications team, building a ground communications and data transport platform for US government satellites. You will lead development of core platform services and design technology to support operations of various satellites, acting as both individual contributor and lead for junior engineers.

This role emphasizes cloud-native design, automation, security, and scalable APIs, with opportunities to influence what we build

Qualifications

• 5+ years of progressively responsible software engineering experience.
• Extensive experience with Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform.
• Ability to own technical problems end‑to‑end and mentor others.

Responsibilities

• Build multi-tenant services on public cloud platforms like AWS.
• Architect and expose APIs and backend services with automation, testing, and security.
• Improve product quality, security, and performance for the team.
• Mentor junior engineers and provide technical guidance.
• Collaborate with customers/partners to integrate our services.

Skills

Python

FastAPI

PostgreSQL

AWS

Docker

Kubernetes

Terraform

Tools

AWS

Docker

Kubernetes

Terraform

Job description

Sphinx Defense is seeking a Senior Backend Engineer to join the Space Communications team, building a ground communications and data transport platform for US government satellites. You will lead development of core platform services and design technology to support operations of various satellites, acting as both individual contributor and lead for junior engineers.

This role emphasizes cloud-native design, automation, security, and scalable APIs, with opportunities to influence what we build