Location: Colorado Springs   |   Full-Time
Python Flask PostgreSQL ActiveMQ Docker AWS Backend API Security Space Satellite Communications National Security Defense pipenv JSON Vault Linux Back End Engineer 
Company: Sphinx Defense builds software to solve complex national security problems for America and its allies. We are building a vehicle-agnostic communication infrastructure for satellite operators. We're bootstrapped, profitable, and growing aggressively, with a strong focus on mission-driven engineering. Our culture values flexibility, autonomy, collaboration, and work/life balance. We prioritize building secure, automated, intuitive, and functional software.

Role: As a Senior Backend Engineer, you will play a critical role in designing, developing, and maintaining the server-side logic and APIs for our cutting-edge satellite communications platform. You will work on complex systems that handle real-time data, secure communication protocols, and integration with diverse antenna networks.

Responsibilities:
- Design, build, and maintain efficient, reusable, and reliable backend code and APIs using Python/Flask.
- Integrate with databases (PostgreSQL), message queues (ActiveMQ), and other backend services.
- Ensure the security, performance, quality, and responsiveness of applications.
- Collaborate with front-end developers, DevOps engineers, and product managers.
- Implement security and data protection measures.
- Contribute to architectural decisions and technology choices.
- Participate in code reviews and help mentor junior engineers.

Technical Skills:
- Strong proficiency in Python and backend frameworks like Flask.
- Experience with relational databases, particularly PostgreSQL.
- Familiarity with message brokers like ActiveMQ or similar.
- Understanding of RESTful API design and implementation.
- Experience with containerization (Docker) and cloud platforms (AWS).
- Knowledge of security best practices.
- Familiarity with CI/CD pipelines and infrastructure-as-code (Terraform, Ansible) is a plus.

Ideal Candidate:
- Proven experience as a Backend Engineer working on complex systems.
- Motivated self-starter who thrives in an autonomous environment.
- Passionate about solving challenging technical problems.
- Strong problem-solving skills and attention to detail.
- Excellent communication and collaboration skills.
- Interest in space technology and national security is a plus, but not required.
- Comfortable working in a remote or hybrid environment (this role is based in Colorado Springs).
- Eligible for US Security Clearance.
Post Date: May 6, 2025