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Senior Software Engineer

Picogrid · El Segundo, CA · On-site

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About Picogrid

Picogrid delivers integrated systems for modern missions, connecting sensors, platforms, and operators across land, sea, air, and space. Backed by Bessemer.

About the role

Legion is Picogrid's core platform: it connects sensors, cameras, drones, and third-party systems into a single operational picture that military users rely on in live missions. As a Senior Software Engineer, you'll own significant pieces of that platform end to end — from API design through deployment and operation in production.

What they're looking for

  • U.S. citizenship and ability to obtain and maintain a Top Secret security clearance
  • 5+ years of hands-on backend engineering experience in fast-paced, production environments using Go, Python, TypeScript, or similar languages
  • Strong background in APIs, distributed systems, data pipelines, or real-time processing
  • Deep experience with relational databases (e.g., PostgreSQL), object stores (e.g., S3, MinIO), and geospatial tools
  • Strong grasp of HTTP APIs (REST, gRPC, GraphQL) and authentication/authorization models
  • History of working directly with customers to build and deliver meaningful software
More about this role

Who we are

Picogrid is a leading venture-backed defense technology company founded to bridge the decades-long gap between modern technology and the critical demands of national security. Today, we're building the essential infrastructure to unify sensors, autonomy, and operators with our technology deployed in active operations around the world. Our mission is to deliver an operational advantage to secure the United States and its allies.

Legion is Picogrid's core platform: it connects sensors, cameras, drones, and third-party systems into a single operational picture that military users rely on in live missions. As a Senior Software Engineer, you'll own significant pieces of that platform end to end — from API design through deployment and operation in production.

Designing and building backend services in Go — REST and gRPC APIs and event-driven pipelines that serve real-time sensor and video feeds.

Building integrations that connect Legion to hardware devices and common operating pictures (COP) like TAK, so data flows to operators wherever they are.

Building command-and-control (C2) capabilities — tasking systems that let operators connect and task any device in the field, from...

Read the full posting on Picogrid's site ↗

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