Senior Full Stack Developer - Sales Engineering

LMI is seeking an accomplished and expert Senior Full Stack Engineer to join our Sales Engineering team in either a remote or hybrid capacity. The ideal candidate for this role should possess advanced technical skills and extensive experience in full stack development. Successful Senior Full Stack Engineers should exhibit a high degree of creativity and innovation, particularly in quickly developing unique solutions to address customer needs.

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.

This role requires engineers who can work independently, displaying a high level of self-motivation and initiative. Equally important is the capacity to collaborate effectively as part of a small, dynamic team. The Full Stack Engineers on our Sales Engineering team quickly tailor and adapt our existing platforms (LIGER, RAPTR, IronSled) to show how they could solve specific customer problems. They may lso build net new proofs of concept that demonstrate potential solutions and drive sales. This combination of technical expertise, creativity, focus on sales outcomes, ability to see the art of the possible, and collaborative spirit is essential for thriving in the fast-paced and innovative environment at LMI.

This Sr. Full Stack Engineer will:

• Quickly tailor existing platforms (LIGER, RAPTR, IronSled) to address and solve specific customer problems.
• Independently, or as part of a small team, build new proofs of concept to demonstrate potential solutions and drive sales.
• Engage closely with customers to deeply understand their problems and adapt or develop solutions that meet their needs.
• Work with the Sales Engineering Lead to prepare demonstrations to customers, showcasing their value and benefits in a clear and compelling manner.
• Rapidly develop prototypes in response to evolving customer demands and feedback.
• Work with the Sales Engineering Lead to appropriately scope prototypes and demos to technically feasible solutions.
• Maintain a deep understanding of the capabilities and limitations of our platforms and leverage this knowledge to guide solution development.
• Provide strategic input on product development and enhancements based on customer feedback and emerging market trends.
• Manage multiple customer priorities and tasks simultaneously with minimal supervision.
• Occasionally travel to customer sites as required.

Minimum Qualifications

• Minimum of a SECRET security clearance or the ability to obtain one.
• Familiarity with the MEAN Stack, with emphasis on full stack development in typescript.
• Experience with Angular
• Advanced proficiency in Python, with extensive experience in PostgreSQL.
• Experience interacting with APIs to provide integrated solutions.
• Experience in containerizing applications.
• Experience with CI/CD pipelines and utilizing tools such as GitLab.
• Familiarity with cloud computing deployment models.
• Knowledge of software development lifecycle and security principles.
• Ability to work in a fast-paced environment, manage multiple tasks, and prioritize effectively.
• Availability for occasional travel based on project requirements.

Desired Skills

• Proven ability to lead and inspire a small team of engineers to deliver high-quality, tailored solutions rapidly.
• Experience in sales engineering within the federal government sector, with a deep understanding of federal customers' unique challenges and requirements.
• Strong problem-solving and analytical skills, with the ability to translate complex technical concepts into customer-centric solutions.
• Demonstrated experience with Agile methodologies and project management techniques, ensuring timely and efficient delivery of solutions.
• Demonstrated experience building continuous, automated build and deploy pipelines.
• Strong understanding of containerization of web applications.
• Familiarity with container orchestration engines such as Kubernetes (e.g., EKS, AKS, GKE, Kops, OpenShift).
• Self-directed, detail-oriented with the ability to adapt to changing work efforts and manage the impact of shifting priorities.
• Familiarity with DoD Cybersecurity requirements and vulnerability management concepts.