Senior Software Engineer - Ukraine

The role

You will design, build, and deploy high-performance, scalable backend systems and integration tools. These systems connect hardware and software across all environments and command layers for the Legion Platform.

What you will do

• Design, build, and deploy high-performance, scalable backend systems
• Build integration tools that connect hardware and software systems
• Solve complex, system-level challenges
• Advance a robust platform deployed for real-world military missions
• Work directly with customers to build and deliver meaningful software

Required qualifications

• 5+ years of hands-on backend engineering experience in fast-paced, production environments using either Go, Python, Rust, C/C++, 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 or GraphQL) and authentication/authorization models
• History of working directly with customers to build and deliver meaningful software
• Demonstrated ability to operate with urgency, ownership, and high engineering standards

Nice to have

• Experience working with Ukrainian Ministry of Defence, and/or NATO members
• Exposure to Ukrainian military C2 platforms, including Delta, Kretchet, Oreanda, etc.
• Experience supporting Golang-based applications in production
• Experience building plugins or integrations for common military command-and-control (C2) platforms (e.g. TAK, Maven, Lattice)

Benefits

• Meaningful stock options

About the company

Picogrid is a venture-backed defense technology company. It builds infrastructure to unify sensors, autonomy, and operators to deliver an operational advantage to the United States and its allies.