Senior Software Engineer (Golang)

Defense Unicorns

1d•$123,250 - $201,250•Remote

About The Position

Defense Unicorns is seeking Software Engineers (Mid and Senior) to join our UDS Product Engineering team. You’ll collaborate closely with product managers, designers, and end users to ensure we’re building the right solutions, and building them well. As a Senior Software Engineer, you’ll operate at the intersection of product development and technical execution. You’ll contribute to and, at times, lead the design, implementation, and deployment of features and systems that have direct impact on mission outcomes. Our engineers work across a portfolio that includes Zarf — an open source tool enabling continuous software delivery on disconnected systems and UDS Foundation — core platform and tooling that power UDS, serving Platform Engineers building and operating UDS across environments. The UDS Product Engineering team values action, ownership, and focus, taking initiative to see work through from idea to impact.

Requirements

5+ years of experience in software engineering
Proficiency in Go or other modern programming languages
Strong understanding of system design, APIs, databases, and cloud environments (AWS, Azure, etc.)
Experience building tools focused on software lifecycle and delivery
Familiarity with Kubernetes concepts (Controllers, Operators, CRDs)
Experience with supply chain security (SBOMs, signing, scanning, etc.)
Ability to solve complex problems and deliver pragmatic, scalable solutions
Strong communication and collaboration skills across technical and non-technical audiences

Nice To Haves

Experience contributing to open source projects (CNCF, ASF, OpenSSF, etc.) is a strong plus

Responsibilities

Build, ship, and maintain features and systems that support mission-critical environments
Contribute to system design, architecture, and implementation decisions
Collaborate with engineering, product, and design to translate requirements into scalable technical solutions
Identify and reduce ambiguity in product and technical requirements
Debug, optimize, and support production systems (including on-call rotation)
Integrate with existing defense systems while ensuring interoperability and security compliance
Contribute to and support the open source ecosystems we depend on
Develop and maintain technical documentation (designs, runbooks, user guides)
Participates in a shared 24x7 on-call rotation, owning incident response, troubleshooting, and coordination to ensure reliable production systems
Own architectural decisions and ensure technical quality across systems
Lead cross-team initiatives and complex technical efforts
Influence product direction through deep user and system understanding
Provide mentorship and raise the bar for engineering practices