Back End Software Developer - Clearance Required

LMI is seeking a Senior Back-End Software Developer to support the development and enhancement of LMI’s Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR®.

In this role, you will focus on implementing backend features and services that enable analysts, data scientists, and engineers to conduct complex analytical studies in the space domain.

You will work closely with multidisciplinary teams to translate analytical requirements into scalable, performant backend capabilities, including APIs, data pipelines, and integration services that support modeling, simulation, and trade space analysis.

This position is ideal for a developer who enjoys working at the intersection of software engineering and analytical problem-solving, and who can rapidly deliver capabilities in support of evolving mission needs.

On site support or candidates local to Colorado Springs are preferred; remote options are availalbe for the ideal candidate.

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed.

Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.

Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively.

With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change.

Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.

• Develop and maintain backend services and application logic that support modeling, simulation, and analytical workflows within RAPTR®
• Translate analyst and data scientist needs into functional software features, including data ingestion, scenario configuration, and results management
• Design and implement APIs and service layers that enable interaction between the platform, analytical tools, and external systems
• Build and manage data pipelines and storage solutions to support large-scale analytical runs and scenario outputs
• Ensure efficient handling of high-volume simulation data, including performance optimization and scalability
• Collaborate closely with trade space analysts, data scientists, and systems engineers to ensure backend capabilities align with analytical objectives