Defense Software Engineer Jobs in Missouri (NOW HIRING)

Job Title: Software Engineer

Location: St. Louis, MO or Springfield, VA

Security Clearance: Active TS/SCI (or SCI eligibility)

We question. We listen. We adapt.

Be honest. Be pragmatic.

Omni Federal, founded in 2017 and headquartered in Washington, DC, is a highly specialized software solutions provider with a robust presence in key locations across the United States, including Boston, MA, Colorado Springs, CO, San Antonio, TX, and St. Louis, MO. Born out of the Department of Defense's software factory ecosystem, Omni has rapidly distinguished itself by delivering both mission-critical and enterprise solutions that enhance the technological capabilities of the federal government. With a focus on areas such as Command and Control, Cybersecurity, Space, Geospatial, and Modeling Simulation, Omni leverages cutting-edge commercial technology tailored to government objectives, improving mission performance and delivering transformative outcomes for the Department of Defense (DoD), Intelligence Community (IC), and their end-users. The company's innovative approach is backed by its Omni Labs and SBIR Innovation centers, where they develop advanced platforms and tools in data mesh, secure connectivity, and intelligent automation.

Why Omni?

• Environment of Autonomy

• Innovative Commercial Approach

• People over process

We are seeking a Software Engineer to join our team in St. Louis supporting a mission-critical geospatial application. This role requires strong full-stack Python experience, with a focus on API development, Kubernetes deployment, and modern DevOps practices to accelerate delivery. The engineer will work with an existing code base—learning it quickly, manipulating it for adjacent use cases, and implementing new features that advance mission capabilities. A background in geospatial systems, imagery acquisition, and geometry is a significant plus. Candidates must be passionate about modern architectures, able to adapt quickly to existing systems, and excited to tackle challenging technical problems for our mission users.

Required Skills:

• BS or equivalent in Computer Science, Engineering, Mathematics, Information Systems or equivalent technical degree.

• 5+ years of experience in software engineering/development, or a related area that demonstrates the ability to successfully perform the duties associated with this work.

• Experience in Python enterprise application development

• Experience building high performance applications in React.js

• Web services architecture, design, and development

• Experience in PostgreSQL database design

• Experience working in AWS and utilizing specific AWS tooling (S3)

Nice to have:

• Experience working with FastAPI/Flask

Our team is always hungry for more – more knowledge, more problem solving, more growth, more innovation, and, ultimately, customer success. This hunger and hustle fuel our determination to excel in everything we do. It’s not just about meeting established goals; it’s about exceeding them. We take immense pride in applying our expertise in cutting-edge technologies and our ability to adapt to emerging trends directly to the users in the field, as our nation’s protectors deserve nothing less.

Omni Federal, founded in 2017 and headquartered in Washington, DC, is a highly specialized software solutions provider with a robust presence in key locations across the United States, including Boston, MA, Colorado Springs, CO, San Antonio, TX, and St. Louis, MO. Born out of the Department of Defense's software factory ecosystem, Omni has rapidly distinguished itself by delivering both mission-critical and enterprise solutions that enhance the technological capabilities of the federal government. With a focus on areas such as Command and Control, Cybersecurity, Space, Geospatial, and Modeling Simulation, Omni leverages cutting-edge commercial technology tailored to government objectives, improving mission performance and delivering transformative outcomes for the Department of Defense (DoD), Intelligence Community (IC), and their end-users. The company's innovative approach is backed by its Omni Labs and SBIR Innovation centers, where they develop advanced platforms and tools in data mesh, secure connectivity, and intelligent automation.