SeniorEngineer-DataPlatform

Role Description Defense Unicorns is seeking a Senior Engineer to join the founding team of a new product capability being built from the ground up. In this role, you will work as a core member of the UDS Data team — collaborating directly with product leadership and engaging with defense customers to translate real operational data problems into shipped software. The gap between a customer conversation and code running in production is short, and you are expected to own that entire arc. This role requires strong software engineering fundamentals and the ability to work across the full stack — from designing and building features to deploying and validating them in the environments where they need to run. You will work in a team of varying experience and will help mentor and grow less experienced engineers on the team. You are comfortable picking up new tools and technologies as the stack evolves, and you bring enough breadth to be useful across infrastructure, backend, and tooling work without needing to specialize in any one area. You will work closely with product, engineering leads, and defense customers across the branches and other mission programs. You can identify and solve problems across open and classified environments where available tooling is different or limited. You find the constraints of disconnected environments interesting rather than limiting. Responsibilities Own the design, delivery, and production quality of platform capabilities end to end — from initial architecture through deployment and observability Build and maintain open source infrastructure packages for airgap and cloud-native environments Write comprehensive tests at every level — unit, integration, and end-to-end — and hold the rest of the team to the same standard Work directly with product and customers to translate mission problems into platform capabilities Develop technical documentation including design specifications, ADRs, and runbooks Contribute to relevant open source com