Full-Stack Software Engineer

Overview

LMI is actively seeking a skilled, experienced Full‑Stack Software Engineer to join their team in Colorado Springs, CO. The role involves working directly with USSF and US Government customers and analytical partners to translate wargame, exercise, training and analytic needs into responsive, high‑performance software applications within LMI’s RAPTR platform.

LMI is a digital solutions provider dedicated to accelerating government impact with innovation and speed. They invest in technology and prototypes ahead of need, bringing commercial‑grade platforms and mission‑ready AI to federal agencies at commercial speed.

Leveraging mission‑ready technology, proven federal deployment expertise and strategic relationships, LMI enhances outcomes for the government efficiently and effectively. With a focus on agility and collaboration, LMI serves defense, space, healthcare, and energy sectors, helping agencies navigate complexity and outpace change.

• Design, develop, and maintain full‑stack applications using modern front‑end frameworks (React, Angular, Vue.js) and back‑end technologies (Rust, Python, Java, Node.js, etc.).
• Implement visually appealing and 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 front‑end and back‑end performance for smooth interactions, quick load times, and efficient data handling.
• Ensure scalability and responsiveness of applications across 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.
• Collaborate in cross‑functional engineering working groups to review, assess, and mature software artifacts such as system architecture, system behavior, system interfaces and requirements, software test plans, UI/UX designs, functional allocation, Interface Control Documents/Descriptions (ICDs), and data models.

Required:

• Bachelor’s degree in Computer Science/Engineering, or equivalent STEM field with 2+ years of experience in software development (0 years with Master’s degree).
• Experience with modern front‑end frameworks (React, Angular) and back‑end technologies (Rust, Python, Java) within agile development frameworks.
• Understanding of JavaScript, HTML5, CSS3 and responsive web design principles.
• Experience with both SQL and No
  
  SQL 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.
• Eligibility for US Security Clearance; US Citizenship required.

Desired:

• Advanced degree in Computer Science or 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.
• Space domain exercise, training or wargaming experience and familiarity with space‑focused software solutions.
• Active Secret clearance.

Target salary range: $88,000 – $144,000. Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education and/or certifications.

Applicants must meet eligibility requirements for a U.S. Government security clearance.

Colorado Springs, CO, USA.

LMI is an Equal Opportunity Employer committed to the fair treatment of all. LMI recruits, hires, trains, and promotes people without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, disability, age, protected veteran status, citizenship status, genetic information or any other characteristic protected by applicable federal, state or local law. If you are a person with a disability needing assistance with the application process, contact accommodations.