---
title: 'Senior RUST Developer / Senior Software Engineer - Platform (Remote US) at Legion Intelligence'
canonical: 'https://feeny.ai/job/senior-rust-developer-senior-software-engineer-platform-remote-us-legion-1nh7pdndjk7x'
type: 'job'
last_seen: '2026-09-07'
---

# Senior RUST Developer / Senior Software Engineer - Platform (Remote US) at Legion Intelligence

- **Company:** Legion Intelligence
- **Location:** United States
- **Compensation:** $160k–$200k
- **Work type:** remote
- **Posted:** 2026-06-23
- **Last confirmed live:** 2026-09-07
- **Apply:** https://job-boards.greenhouse.io/yurtsai/jobs/5171066007

## Job description

## About Legion

Let’s be real, AI isn’t magic; Legion was built to move beyond AI hype—delivering secure, reliable systems that work alongside the people tackling the world’s most critical challenges.

Born from a Department of Defense partnership and trusted by leaders across government and enterprise, Legion embeds intelligence inside complex systems, unlocking data, accelerating human workflows, and strengthening mission-critical systems. We don’t replace workflows—we optimize them, ensuring quality, efficiency, and reliability inside the platforms our partners already use.

With world-class collaborators like Palantir, Nvidia, HPE, and Oracle, we’re building intelligent infrastructure that enhances human capability and drives impact at the edge and across a range of enterprises.

We’re looking for bold thinkers and doers to join us in shaping the future of AI that’s secure, grounded, and built to work.

Senior RUST Developer / Senior Software Engineer - Platform (Remote USA)

***US Citizenship or Greencard is required due to US Government contract requirements***

***This role requires RUST programming language experience***

Job Summary:

As a Senior Software Engineer, you will play a key role in developing and maintaining the core infrastructure that underpins our AI platform. Your expertise in coding and architecture will be instrumental in building out core platform features, while your proficiency in Rust will enable you to contribute to the growth of our technology stack. Your experience with production support, Kubernetes, and Docker will ensure the platform's stability and reliability.

Responsibilities:

- Design and develop foundational components and frameworks that serve as the building blocks for our Agentic AI platform.
- Collaborate with cross-functional teams to understand their needs and requirements, and create platform solutions that empower developers to build innovative applications on top of it.
- Cultivate a growth mindset, constantly studying and staying current with design patterns, techniques, and technologies that attract developers to platforms and frameworks.
- Work closely with machine learning engineers to build the infrastructure that supports ML workflows, ensuring seamless and efficient execution within enterprises.
- Provide production support and troubleshooting expertise to ensure the platform's smooth operation and address any performance or scalability challenges.

Required Skills and Qualifications:

- US Citizenship or Greencard is required due to US Government contract requirements
- Bachelor's degree in Computer Science, Software Engineering, or a related field or equivalent experience.
- 5–8+ years of software and platform engineering experience, with a strong track record of designing and operating large-scale distributed systems.
- Experience building platform infrastructure and backend systems that serve multiple products and engineering teams.
- Experience in Rust, with expertise in designing and developing high-performance systems. All our performance-critical areas are developed in Rust.
- Demonstrated expertise in database architecture and scalable data systems, including distributed databases, storage and indexing systems, data modeling and schema design, high-throughput and low-latency data access patterns.
- Experience designing systems that support AI and machine learning workloads
- Familiarity in workflow engines, execution runtimes, and AI orchestration frameworks
- Growth mindset and low ego- you’re eager to pick up new tools and technologies, learn from others, and be open to changing course when it’s right.
- Drive to foster a culture of collaboration, psychological safety, and technical excellence.
- Strong advocate for inclusion in technical discussions at all levels.

Preferred Qualifications:

- Start-up experience or comfort in 0→1 product environments.
- Familiarity with Kubernetes is a plus.
- Understanding of DevOps practices and CI/CD pipelines for platform deployment.

## Compensation Information

$160,000—$200,000 USD

## Equal Opportunity Statement

Legion provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

## About Legion Intelligence

## Company Overview
- **One-liner**: Legion Intelligence builds the governed agentic AI command layer for national security, enabling human-directed, auditable multi-step workflows across classified, air-gapped, and edge environments.
- **Entity Type**: Private (Series B, $58.4M total funding)
- **Headquarters**: San Francisco, California, United States
- **Founded**: 2022
- **Founders**: Ben Van Roo (CEO) and Jason Schnitzer (CTO)

## Core Business
- **Primary industry**: National security, defense technology, enterprise AI infrastructure
- **Target customers**: U.S. national security organizations (SOCOM, XVIII Airborne Corps, U.S. Air Force, Department of Energy), federal agencies, and enterprise teams requiring secure, governed AI
- **Mission or purpose statement**: “Turning intent into coordinated, governed action” – enabling human command over AI agents while maintaining full attribution and auditability

## Products & Services
- **Legion Platform**: Software layer for secure agent orchestration – connects systems, automates multi-step workflows, and enforces governance with human-in-the-loop controls. Deployable on cloud, on-premise, classified, and air-gapped networks. (SaaS / platform)
- **Centurion**: Deployable edge system integrating hardware, software, and sustainment for denied, degraded, intermittent, and limited (DDIL) environments. Delivered 48x faster target system analysis and 88% faster SITREP creation at Scarlet Dragon 26-01. (Hardware + software)
- **Role-based Mission Packs**: Pre-built agentic workflows for intelligence officers, operations officers, maintenance technicians, and commanders. (Service / solution)

## Market Standing
- **Valuation / Market Cap**: Not publicly available
- **Key Metric**: Total Funding $58.4M (Series B $40M, Dec 2024; Series A $16M, Sep 2023; Pre-Seed $2.4M, Aug 2022)
- **Annual Revenue**: $1.5M (estimated by LinkedIn)
- **Notable Investors / Partners**: XYZ Venture Capital (lead Series B), Nava Ventures (lead Series A), U.S. SOCOM, XVIII Airborne Corps, U.S. Air Force, Department of Energy
- **Growth Signals**: 51 employees (+24.2% YoY), 6,023 LinkedIn followers (+55.5% YoY), multi-year contracts with defense agencies, 94% faster INTSUM generation and 216 hours saved per week reported in deployments

## Competitive Advantages
- **Governed by design**: Every agent action is auditable, attributed, and subject to human override – built for compliance from day one (FedRAMP High, NIST 800-53, SOC 2 Type II, ITAR, CMMC, IL2–IL6).
- **Deploy anywhere**: Runs on classified, air-gapped, and edge environments where most commercial AI cannot go.
- **LLM-agnostic and modular**: No vendor lock-in; connects across existing systems and data sources.
- **Proven in live missions**: Trusted by U.S. Special Operations Command and active-duty units in exercises.

## Strategic Focus
- **Scaling agentic AI across national security**: Expanding the platform’s adoption across the Department of Defense, Department of Energy, and allied agencies.
- **Commercial Solutions**: Growing a dedicated sales and customer success team for federal and enterprise markets.
- **Talent growth**: Hiring for engineering, sales, marketing, and federal solutions roles to support rapid deployment.

## Why Work Here
- **Mission-driven impact**: Work on AI systems used in real national security operations, with a clear “mission before ego” culture.
- **Flexible work**: Remote or hybrid depending on location; regular in-person meetups (e.g., at the beach).
- **Benefits**: Competitive pay, stock options, 12–16 weeks fully-paid parental leave, flexible PTO (no cap), company-wide shutdown from Christmas Eve to New Year’s Day, wellness stipend ($500/year), home office setup ($500 + new laptop), 401k (no match yet), premium health/dental/vision, commuter benefits, bereavement leave.
- **Engineering culture**: Values “speed with precision,” “own the outcome,” and “growth always.” Active open positions include Senior Software Engineer, Staff Applied ML Engineer, Forward Deployed Engineer, and Staff Product Manager.

## Sources
1. [legionintel.com](https://www.legionintel.com/)
2. [legionintel.com/company](https://www.legionintel.com/company)
3. [legionintel.com/careers](https://www.legionintel.com/careers)
4. [Greenhouse job board](http://job-boards.greenhouse.io/yurtsai)
5. [LinkedIn company page](https://www.linkedin.com/company/legion-intel)
6. [TechCrunch (Series B)](https://techcrunch.com/2024/12/03/yurts-raises-40-million-to-be-the-dods-ai-chatbot/)
7. [Business Wire (Centurion announcement)](https://www.businesswire.com/news/home/20250708000000/en/Legion-Intelligence-Launches-Centurion-Edge-System)
8. [PR Newswire (SOCOM contract)](https://www.prnewswire.com/news-releases/yurts-secures-16m-contract-with-socom-to-integrate-large-language-models-in-defense-enterprises-302009000.html)

## Other roles at Legion Intelligence

- [Principal Software Engineer / Rust Programmer - Platform (Remote US)](https://feeny.ai/job/principal-software-engineer-rust-programmer-platform-remote-us-legion-tp93c7me9tfq) — United States
- [Agentic Platform Engineering Manager (Remote US)](https://feeny.ai/job/agentic-platform-engineering-manager-remote-us-legion-intelligence-united-states-819gscmahfsp) — United States
- [Senior Software Engineer - Machine Learning (Remote US)](https://feeny.ai/job/senior-software-engineer-machine-learning-remote-us-legion-intelligence-united-rnqzzhea27mw) — United States
- [Forward Deployed Engineer (D.C Area)](https://feeny.ai/job/forward-deployed-engineer-d-c-area-legion-intelligence-washington-eh9mee5wy1ep) — Washington, DC
- [Solutions Engineer/Agentic AI Tools/Generative AI Protoyping/Proof of Concept (POC)  - (Southeastern US Area)](https://feeny.ai/job/solutions-engineer-agentic-ai-tools-generative-ai-protoyping-proof-of-concept-64h4bcmv49aw) — Southeastern United States
- [Agentic AI Engineer / Software Engineer - AI Applications (Remote US)](https://feeny.ai/job/agentic-ai-engineer-software-engineer-ai-applications-remote-us-legion-r46ekn3gssz9) — United States
- [Creative Director (Remote US)](https://feeny.ai/job/creative-director-remote-us-legion-intelligence-united-states-hrdk6na4wqve) — United States
- [Federal Mission Success Manager (Engagement Manager/Program Manager/Customer Success/Account Manager) - Federal Intelligence Community (D.C. Area)](https://feeny.ai/job/federal-mission-success-manager-engagement-manager-program-manager-customer-wvn65mz15271) — Washington, DC
- [DevOps Engineering Manager (D.C. Area)](https://feeny.ai/job/devops-engineering-manager-d-c-area-legion-intelligence-washington-dkbxyywjktnr) — Washington, DC
- [Staff Applied Machine Learning Engineer](https://feeny.ai/job/staff-applied-machine-learning-engineer-legion-intelligence-united-states-g1gph6qcvmfe) — United States