Full Stack Developer - Clearance Required

Overview

LMI is seeking a Full Stacker Developer to join the Army Training Information System Agile Release Train.

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.

Responsibilities

Responsibilities

• Work with team members to design and use existing innovative software programs that improve and simplify the Training Management for the Army.
• Ensure all new software functions smoothly across various programs and platforms, including mobile systems.
• Meet with managers and representatives of Army to discuss software issues and brainstorm methods of solving existing problems.
• Write original code and update existing code, ensuring that all code meets program requirements.
• Perform intensive testing of all new and existing programs to ensure they are free of errors and function as intended.
• Update and debug existing systems to ensure a smooth user experience and a uniform look across a variety of platforms.
• Optimize new and existing programs for mobile use, including smartphones and tablets.
• Keep up to date on the newest technological innovations in the field and be ready to apply relevant innovations to our software systems.

Qualifications

Required Qualifications

• Active Secret clearance required; Top Secret with the ability to obtain SCI access preferred
• Bachelor's degree in Computer Science or a related technical discipline
• 5+ years of professional experience with each of the following technologies:
  • React
  • TypeScript
  • Java (Spring Boot)
• Strong ability to debug, optimize, and maintain code, as well as automate routine development tasks
• Demonstrated systematic problem-solving skills, strong written and verbal communication, and a proactive, results-driven mindset

Preferred Qualifications

• Familiarity with React and TypeScript, including functional components, hooks, and basic state management
• Working knowledge of Java and Spring Boot, including building or consuming RESTful APIs
• Exposure to frontend unit testing concepts and tools (e.g., Jest, React Testing Library, or similar)
• Exposure to backend unit testing using JUnit, Mockito, or similar Java testing frameworks
• Basic understanding of RESTful services and web concepts such as HTTP methods and status codes
• Familiarity with Git and version control workflows (pull requests, code reviews)
• Working knowledge of relational databases (PostgreSQL, MySQL, or similar) and basic SQL queries
• Awareness of software development best practices, including testing, logging, and writing maintainable code
• Ability to learn quickly, accept feedback, and collaborate effectively in a team-based Agile environment
• Strong curiosity, problem-solving mindset, and willingness to grow technical skills over time

Target salary range: $100,000 - 175,000. Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications.

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