Remote USA

Legionintel; Northern (KY); Hybrid; USD 170,000 - 200,000; Full time

Job summary

Legion is seeking a Senior RUST Developer to join the Platform team in a remote US capacity. You will design and maintain core infrastructure for our AI platform, leveraging Rust to build high-performance backend systems, and collaborate with ML engineers to support enterprise workloads.

The role requires US citizenship or greencard due to government contracting, 5–8+ years of experience, and proficiency with Kubernetes and Docker to ensure platform stability and scalability.

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 in Rust with expertise in designing and developing high-performance systems; Kubernetes and Docker experience.
• Experience designing systems that support AI and machine learning workloads

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 needs and create platform solutions for developers to build on top of it.
• Stay current with design patterns, techniques, and technologies to attract developers to platforms and frameworks.
• Work closely with machine learning engineers to build infrastructure that supports ML workflows and ensures efficient execution.
• Provide production support and troubleshooting to ensure platform stability, performance, and scalability

Skills

Rust

Kubernetes

Docker

Distributed systems

Education

Bachelor's degree in Computer Science or related field

Job description

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

Remote USA

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

$170,000 - $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.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Legion Intelligence’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A \"disabled veteran\" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A \"recently separated veteran\" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An \"active duty wartime or campaign badge veteran\" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An \"Armed forces service medal veteran\" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.