> Markdown version of [/jobs/ext/2702854-backend-engineer](https://www.wearedevelopers.com/jobs/ext/2702854-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** Sphinx LLC - **Location:** Colorado Springs, CO, United States - **Experience:** Expert - **Salary:** $160,000.0 - $185,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Python (Programming Language), PostgreSQL, Software Engineering, Backend, Fastapi, Build Management, Sphinx, Kubernetes, Terraform, Docker - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-backend-engineer-sphinx-defense-company-8704581 ## About the Role * 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, To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. ## Description 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 ## Related Videos - [Our GitOps approach for deploying an Identity Provider and an API Gateway in a SaaS company](https://www.wearedevelopers.com/videos/776-our-gitops-approach-for-deploying-an-identity-provider-and-an-api-gateway-in-a-saas-company) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Continuous Documentation for Your Code](https://www.wearedevelopers.com/videos/798-continuous-documentation-for-your-code) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)