Principal Software Engineer - Platform (Remote US)

1 day, 10 hours ago
Full-time
Lead
Software Development
Legion Intelligence

Legion Intelligence

Legion Intelligence is a software company based in San Francisco, founded in 2022. The company specializes in creating an enterprise-wide agent-orchestration platform designed to translate human intent into coordinated actions for clients in defense, government, and secure enterprises. Their mission is to enable organizations to operate at machine speed while maintaining human oversight and control. The primary offering is the Legion Platform, a secure and model-agnostic system that integrates various data sources and legacy applications. Key features include governed AI for auditability, compliance with security standards, and workflow automation for tasks like intelligence analysis and mission planning. Recently, Legion expanded its portfolio with edge AI solutions, including the Centurion III, an ultra-small edge AI system for challenging environments, and tailored AI software packages for military functions. Legion Intelligence serves national security organizations and defense agencies, including the U.S. Department of War and U.S. Special Operations Command. The company has gained trust from over 70,000 users across these agencies, emphasizing its commitment to operational integrity in high-stakes environments.

information technology & services
51-200
Founded 2022
$58M raised

Description

  • Design and develop foundational components and frameworks for the Agentic AI platform.
  • Collaborate with cross-functional teams to define platform needs and deliver solutions for developers.
  • Build infrastructure that supports machine learning workflows in enterprise environments.
  • Provide production support and troubleshooting to maintain platform stability and reliability.
  • Address performance, scalability, and operational challenges in the platform.
  • Work closely with engineering teams to extend and improve core platform features.
  • Stay current on design patterns, techniques, and technologies relevant to platform and framework development.

Requirements

  • US citizenship or a green card is required due to U.S. government contract requirements.
  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent experience.
  • 15+ years of software and platform engineering experience.
  • Experience designing and operating large-scale distributed systems.
  • Experience building platform infrastructure and backend systems serving multiple products and engineering teams.
  • Expert-level Rust programming experience is required.
  • Experience designing and developing high-performance systems in Rust.
  • Experience with database architecture and scalable data systems, including distributed databases, storage and indexing systems, data modeling, and schema design.
  • Experience designing systems that support AI and machine learning workloads.
  • Familiarity with workflow engines, execution runtimes, and AI orchestration frameworks.
  • Familiarity with Kubernetes is a plus.
  • Understanding of DevOps practices and CI/CD pipelines for platform deployment.
  • Startup experience or comfort working in 0→1 product environments is preferred.
  • Growth mindset, low ego, and willingness to learn new tools and adapt when needed.
  • Strong advocacy for collaboration, psychological safety, technical excellence, and inclusive technical discussions.

Benefits

  • Remote role based in the USA.
  • Competitive compensation of $2,300,000 to $3,000,000 USD.
  • Equal opportunity employment environment.

Interested in this position?

Apply directly on the company website

Apply Now

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