LMI is hiring a Senior Full-Stack Software Engineer to join our team in Colorado Springs, CO. In this role, you will work directly with US Space Force, US Government customers, and analytical partners to translate wargame, exercise, training, and analytic needs into responsive, high-performance software applications within LMI’s Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR®.

What You'll Do

Lead the design, development, and maintenance of full-stack applications using modern front-end frameworks (React, Angular, Vue.js) and back-end technologies (Rust, Python, Java, Node.js).
Lead the implementation of visually appealing, high-performance user interfaces that improve accessibility and enhance user experience.
Develop and maintain server-side logic, create APIs, and design database schemas to power application functionality and manage data.
Ensure seamless integration between front-end and back-end systems, collaborating closely with other developers.
Implement security measures to protect sensitive data and prevent unauthorized access.
Optimize both front-end and back-end performance for smooth interactions, quick load times, and efficient data handling.
Ensure scalability and responsiveness of applications across different devices, browsers, and as user numbers grow.
Utilize version control systems (e.g., Git) and participate in code reviews to maintain code integrity and quality.
Stay current with software development trends and best practices in full-stack development.
Actively collaborate in cross-functional engineering working groups to review, assess, and mature software artifacts such as system architecture, requirements, UI/UX designs, and data models.

What We're Looking For

Bachelor’s degree in Computer Science/Engineering, or equivalent STEM field with 10+ years of experience (8+ years with Master’s degree) in software development.
Significant experience with both modern front-end frameworks (React, Angular) and back-end technologies (Rust, Python, Java) within agile development frameworks.
Strong understanding of JavaScript, HTML5, CSS3, and responsive web design principles.
Experience with both SQL and NoSQL databases, and efficient data storage/retrieval techniques.
Familiarity with cloud platforms (AWS, Azure, or Google Cloud) and back-end frameworks (Django, Flask, Spring, Express.js, etc.).
Knowledge of UI/UX best practices and accessibility standards for web applications.
Experience with API design, development, and integration.
Familiarity with secure software development practices and CI/CD pipelines.
Strong problem-solving skills and understanding of software performance optimization.
Excellent communication and teamwork abilities.
Active TS Clearance and US Citizenship required.

Nice to Have

Advanced degree in Computer Science or a related field.
Experience with testing frameworks for both front-end and back-end.
Familiarity with design tools such as Figma, Sketch, or Adobe XD.
Knowledge of containerization and orchestration technologies (Docker, Kubernetes).
Knowledge of cybersecurity best practices, particularly in web development.
Prior experience working on government-related projects.
Space domain exercise, training, or wargaming experience and familiarity with space-focused software solutions.
Active TS clearance with SCI eligibility.