Full Stack Software Engineer (Jr./Mid/Sr.)

U.S. Citizenship is required.

1Aardvark is seeking Full Stack Software Engineers at the Junior, Mid, and Senior levels to support several new, space-centric programs across the DoW and IC. We are looking for engineers who thrive in a fast-paced startup environment, enjoy solving hard problems, and want to help modernize how the warfighter receives and exploits space-based capabilities. Our culture is simple: work hard, solve real problems, build things that matter.

This position is hybrid with flexibility between in-office and remote work. Occasional travel and on-site integration events will be required.

Preferred Locations

• Manassas, VA
• Denver, CO
• Other locations considered for exceptional candidates

What You’ll Do

As a Full Stack Software Engineer at 1Aardvark, you will:

• Build modern full-stack applications in support of space mission systems
• Integrate and modernize legacy space-related ground and flight software
• Develop distributed applications leveraging microservices, cloud-native architectures, and Distributed Ledger Technology (DLT)/consensus frameworks
• Support on-orbit and ground system integration & test, including emulation, simulation, and interface validation
• Implement DevSecOps pipelines, automated testing, and secure software practices
• Develop modern UI/UX interfaces for mission operators and analysts
• Work closely with space system engineers, mission integrators, and operations teams
• Contribute to a mission-focused engineering culture where your ideas truly shape the product

Basic Qualifications (All Levels)

• Ability to obtain at least a Secret security clearance
• U.S. Citizen
• Bachelor’s degree in Computer Science or related STEM discipline
  • Substitutions: 4 years of relevant experience may substitute for a degree
• Experience developing in C++, C#, Rust, Python, or Go
• Experience with SQL/NoSQL database design and integration
• Experience with cloud services (AWS, Azure, or GovCloud variants)
• Experience with GitHub, Jira, and Confluence
• Ability to travel up to 10%

Leveling Guidance

Junior Engineer (0–3 years)

• Bachelor’s degree OR equivalent experience
• Foundation in object-oriented or systems programming (C++, Rust, C#, etc.)
• Familiarity with containerization (Docker), REST APIs, or microservices
• Exposure to embedded development or cloud development is a plus
• Strong desire to learn space-domain systems, DLT, DevSecOps, and distributed architectures

Mid-Level Engineer (3–8 years)

• Bachelor’s + 3+ years, Master’s + 2+, or PhD + 0 years
• Proven experience with full-stack or distributed system development
• Hands-on experience with cloud-native services, CI/CD pipelines, or container orchestration (Kubernetes)
• Experience integrating with legacy or mission-critical software systems
• Experience with embedded Linux or edge processing (e.g., Raspberry Pi, Jetson, Zynq)

Senior Engineer (8+ years)

• Bachelor’s + 8+ years, Master’s + 6+, PhD +3+ years
• Demonstrated technical leadership across software modernization or distributed systems
• Experience architecting microservices, APIs, message buses, and high-availability systems
• Familiarity with DLT/consensus algorithms (Raft, custom DLT implementations)
• Expertise integrating and testing software for space-based or ground mission systems
• Ability to mentor junior engineers and guide design decisions
• Experience with DoD/IC programs, ATO processes, or DevSecOps on classified systems

Preferred Qualifications (All Levels)

• Existing security clearance (TS/SCI preferred)
• Experience supporting SDA, USSF, MDA, AFRL, or NRO programs
• Experience building software for spacecraft, OPS software, or flight/ground segment integration
• Experience with high-performance computing, distributed processing, or real-time systems
• Experience with performance tuning and resource-constrained environments
• Experience with DevSecOps, IaC, and automated test frameworks in DoD environments
• Familiarity with DLT, blockchain, or consensus protocols
• Experience with modern UI/UX frameworks (React, Vue, Svelte, Blazor, etc.)

Why 1Aardvark

At 1Aardvark, you’ll join a rapidly growing mission-focused company supporting high-impact national security and space programs. We value technical excellence, operational insight, and individual initiative, and we recognize contributions through performance-based discretionary bonuses tied to individual and company success.

We offer a comprehensive benefits package that includes health, life, and disability insurance, a 401(k) retirement plan, paid holidays, and paid time off.

As part of our continued growth and upcoming program opportunities, this requisition will remain open. Qualified candidates may be considered for current and future roles as positions become available.

1Aardvark, LLC is an Equal Opportunity Employer.

Salary Range: 80-210K