LMI is seeking a skilled mid to senior level Backend Software Developer to support a client in the Washington, DC metro area. 

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.

In this role you will work directly with the architect, software developers, engineers, and data analysts to expand an existing framework of the enterprise version of our core modeling and simulation (M&S) software. Experience with Python and Java is a must, with knowledge of Gitlab CI/CD processes being a plus. You will also work with node.js and TypeScript when interacting with the front-end developers. This is a chance to use your skills to build and rapidly scale a micro-service-based architecture on a cloud solution. The software will support collaborative simulations and analysis for the warfighter and potentially many other areas of the U.S. Government. The successful candidate must enjoy working in a highly innovative fast-paced environment, where you not only answer difficult questions, but you also help formulate the questions themselves. 

Further you will be an inovative and pivotal team meber supporting the following areas:

• Rapidly developing code using best practices and test-driven-development in a fast-paced environment
• Expanding existing code for micro-services in a distributed, elastic, environment
• Breaking complex systems down into simple services for simulation and modeling of scenarios
• Collaborating with other engineers to leverage feature development across projects
• Actively participate in all agile sprint ceremonies
• Demonstrating your developments to customers

Required:

• Bachelor’s degree in a STEM field with 7+ years of professional development experience or master’s degree in a STEM field with 5+ years of professional development experience
• Proven experience in an agile environment
• Agile software development experience, with the ability to develop products both collaboratively and independently with minimal supervision
• Ability to work across disciplines
• Ability to give and take feedback
• Self-start, follow-through, complete projects from start to finish
• Active TS/SCI with full-scope polygraph 
• Advanced degree in related discipline
• Experience using both Scrum and Kanban
• Java: 5 year experience
• Python: 5 year experience 
• TypeScript: 5 year experience
  
  

Desired:

• Experience with Simulation software