Full Stack Software Engineer (jr./mid/sr.) 1aardvark, Llc

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 Employees at 1Aardvark may be eligible for discretionary bonuses that recognize individual contributions and share in the company’s success. We also offer a comprehensive benefits package including health, life, and disability insurance; 401(k); paid holidays; and PTO. This position is contingent upon contract award , with an anticipated start date of January 2026 , subject to change based on business needs and candidate availability. 1Aardvark, LLC is an Equal Opportunity Employer. Salary Range: Dependent on unique qualifications and location. #J-18808-Ljbffr