Full Stack Developer (Front End) - Clearance Required — Denver

Overview LMI is seeking a Full Stack Developer/Front End Engineer to support multiple initiatives within our growing US Air Force (USAF) technology portfolio. Location preference is Colorado Springs, CO or Dayton, OH, but remote personnel that are willing to travel will be considered. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology 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 • Design, develop, test, deploy, and maintain secure web applications supporting USAF mission requirements. • Develop responsive and intuitive user interfaces using modern JavaScript frameworks such as React and TypeScript. • Design and implement backend services, RESTful APIs, and application integrations. • Develop and maintain data models and integrations with relational and nonrelational databases. • Build and deploy applications and services within AWS and AWS GovCloud environments. • Integrate applications with cloud services, enterprise data platforms, authentication services, and external APIs. • Write clean, maintainable, well tested code and participate in peer code reviews. • Troubleshoot application, integration, performance, and production issues across the technology stack. • Apply modern DevSecOps practices, including automated testing, CI/CD, source control, and secure software development. • Collaborate with product owners, designers, engineers, architects, and customer stakeholders to translate mission needs into technical solutions. • Contribute to technical design and architecture decisions related to APIs, application components, data models, and cloud services. • Support iterative Agile development and deliver working software in short development cycles. • Evaluate emerging technologies and recommend opportunities to improve application performance, scalability, security, and user experience. Qualifications Required: • Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline, or equivalent relevant experience. • 5 or more years of professional software development experience. • Experience with modeling and simulation platforms. • Demonstrated experience developing full stack web applications in production environments. • Experience with modern frontend technologies such as React, TypeScript, JavaScript, HTML, and CSS. • Experience developing backend applications or services using technologies such as Node.js, Python, Java, C#, or .NET. • Experience designing, building, and consuming RESTful APIs. • Experience with relational databases and SQL. • Hands on experience developing or deploying applications within AWS. • Experience with Git based source control and modern software development workflows. • Experience working within Agile software development teams. • Understanding of software engineering fundamentals, including application architecture, testing, debugging, and secure coding practices. • Ability to communicate effectively with technical teams, customers, and stakeholders. • Active Secret security clearance. Preferred: • Experience developing applications within AWS GovCloud or other secure government cloud environments. • Experience with Docker, Kubernetes, or containerized application development. • Experience with CI/CD platforms such as GitLab CI, GitHub Actions, Jenkins, or similar technologies. • Experience with AWS services such as Lambda, API Gateway, RDS, Aurora, S3, ECS, EKS, or Glue. • Familiarity with infrastructure as code tools such as Terraform or CloudFormation. • Experience implementing authentication and authorization using technologies such as OAuth 2.0, OpenID Connect, or identity provider integrations. • Experience supporting DoD, Intelligence Community, or other federal government customers. • Familiarity with federal security frameworks and standards, including NIST, RMF, FISMA, and DoD security requirements. • Experience developing software for IL4, IL5, IL6, or similarly controlled environments. • Experience integrating generative AI, large language models, or agentic AI capabilities into production applications. Target salary range is $111,000 - 192,000 Disclaimer: The salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances. #LI-SH1 Job Locations US-CO-Colorado Springs US-OH-Dayton