
Senior Software Engineer - Machine Learning (Remote US)
Legion Intelligence2 months ago
Remote, United StatesStaff+
Base Salary
$160k - $200k/yr
Responsibilities
- Design, build, and maintain core AI capabilities for Legion’s enterprise AI platform.
- Develop reusable functionality for model integration, reasoning, multimodal understanding, structured generation, evaluation, and other foundational AI capabilities.
- Optimize AI systems through experimentation, quantitative evaluation, context engineering, and iterative refinement.
- Build backend services, APIs, and distributed AI systems for production use.
- Deploy scalable AI services with cross-functional teams to support AI-powered product experiences.
- Prototype emerging AI techniques and convert successful experiments into production-ready capabilities.
- Debug and improve production systems’ latency, reliability, observability, scalability, and operational performance.
- Optimize AI systems for performance, reliability, scalability, and cost.
Requirements
- Bachelor’s or master’s degree in computer science, machine learning, or a related technical field, or equivalent practical experience.
- 5+ years of experience building production software systems.
- Strong software engineering skills in Rust, Python, or similar programming languages.
- Experience building scalable backend services, distributed systems, APIs, or data-intensive applications.
- Hands-on experience integrating large language models or other foundation models into production applications.
- Ability to design, evaluate, and improve AI systems through experimentation and quantitative evaluation.
- Familiarity with structured outputs, tool calling, context engineering, multimodal systems, or AI workflows.
- Understanding of software engineering practices including testing, observability, reliability, and maintainability.
- Ability to own technically ambiguous projects from design through production.
- Preferred qualifications include reusable AI or shared AI service development, open-source foundation model deployment or serving, evaluation frameworks, benchmarks or datasets, Kubernetes, cloud-native infrastructure, distributed systems, Rust, RAG, multimodal AI, AI agents, and model orchestration.
- U.S. citizenship or permanent residency is required, and the candidate must be permanently domiciled in the United States.
Benefits
- Remote work within the United States.
- The role supports secure, mission-critical AI systems developed in collaboration with government and enterprise partners.
- Applicants must provide legally authorized identification through the CLEAR ID third-party verification provider.
Tech Stack
Categories
About Legion Intelligence
Legion Intelligence builds secure agentic AI infrastructure for mission workflows, offering the Legion Platform for governed agent orchestration and Centurion, a deployable edge system for disconnected environments. It sells to government and regulated enterprises through software licensing and deployment services across cloud, on-premise, classified, and air-gapped networks. Founded in 2022 and headquartered in San Francisco, it has deployments with U.S. SOCOM, XVIII Airborne Corps, the U.S. Air Force, and the Department of Energy.