
Real job — pulled straight from Sphinx Defense’s careers page · Verified July 17, 2026 · No reposts.
Job description
Sphinx Defense is hiring a Backend Engineer — a full-time, remote role ($160k–$185k). Apply directly on Sphinx Defense's careers page below.
Sr. Backend Engineer
Location: Remote
Department: Engineering
ABOUT SPHINX
Sphinx builds software to solve complex national security problems in Space. Founded by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology America's service members are forced to rely on. We're here to do better.
We’re focused on building modern, scalable products with an emphasis on using open source technologies. Expect talented, motivated, and interesting colleagues who emphasize collaboration, transparency, and individual responsibility.
ABOUT THE ROLE
Sphinx is hiring a Senior Backend Engineer to join our team, building the next generation of mission planning and command and control software for space communications programs. This team is charged with creating modern, resilient services and capabilities to service the US Government for the next decade and beyond.
As a Senior Backend Engineer, you will play a key role in building a cutting-edge communications platform for US government satellites. Sphinx is hiring a Senior Backend Engineer to join our Space Communications team, building a ground communications and data-transport platform for US government satellites. As a Senior Backend Engineer, you will lead the development of core platform services and design and build technology to support the operations of various US government satellites. You'll work as both an individual contributor and a lead for more junior engineers.
You will have an outsized role in determining what we build and how we work. You'll work as both an individual contributor and a lead for more junior engineers.
What you will be focusing on:
- Building multi-tenant services on public cloud platforms like AWS
- Building, architecting, and consuming APIs and backend services as part of the platform ecosystem with an emphasis on automation, testing, and security
- Advocating for improvements to product quality, security, and performance that have a particular impact on your team and others
- Supporting junior engineering talent with mentorship or technical guidance
- Interacting with customers and partners to help them integrate with our services
- Scale the services and solve interesting Space Communication challenges
You might be a good fit if you have:
- 5+ years of progressively responsible software engineering experience
- Have extensive experience with Python, FastAPI, Postgres, AWS, Docker, Kubernetes, and Terraform*
- Demonstrable in-depth knowledge of at least one commercial cloud platform and its associated services
- Led the architecture, development, and building of backend services and APIs to ensure performance, security, and reliability
- An ability to successfully own technical problems end-to-end
- Made enough mistakes and booked enough wins to know what not to build and what good looks like
- Excellent communication skills, working with end-users to design and build solutions to their needs, a habit of self-directed learning of new technologies, and the ability to learn quickly and adapt to a fast-paced environment
LOCATION
This is a fully remote role. All work must be completed in the United States. Occasional travel may be required, such as client visits, semiannual company gatherings, and other project related travel as needed may be required.
COMPENSATION
This role is between $160,000 - $185,000 base salary.
BENEFITS
Compensation includes competitive salary, meaningful equity ownership, profit sharing, employer 401(k) contribution, and 100% employer covered medical, dental, and vision insurance for you and your dependents.
EEO STATEMENT
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Frequently asked questions
What is the salary for Backend Engineer at Sphinx Defense?
The estimated salary range for Backend Engineer at Sphinx Defense is $160,000 - $185,000 USD per year.
Is Backend Engineer at Sphinx Defense a remote job?
Yes, Backend Engineer at Sphinx Defense is a remote position. This role is open to remote candidates.
What skills are required for Backend Engineer at Sphinx Defense?
The required skills for Backend Engineer at Sphinx Defense include: Python, FastAPI, PostgreSQL, AWS, Docker, Kubernetes, Terraform, API.
What is the seniority level for Backend Engineer at Sphinx Defense?
Backend Engineer at Sphinx Defense is a Senior / Manager level position.
How do I apply for Backend Engineer at Sphinx Defense?
You can view the full description and apply for Backend Engineer at Sphinx Defense on EchoJobs: https://echojobs.io/job/sphinx-defense-sr-backend-engineer-qiriz.


