Full Stack Software Engineer - QA Support Engineer

Overview

LMI is seeking a well‑rounded, customer‑facing Full Stack Software Engineer / QA Support Engineer to support the development, testing, and enhancement of modern web applications within the MG – Military Health and VA.

This role is ideal for someone who is technically strong, proactive and highly communicative — an individual who thrives in dynamic environments, interacts confidently with customers and stakeholders, and contributes meaningfully across the entire software lifecycle.

The selected candidate will work closely with lead engineers, key customers and stakeholders to deliver high‑quality software solutions, gather and refine requirements, provide demos and walkthroughs, and support both development and quality assurance activities.

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.

• Support the design, development, testing, and maintenance of full‑stack web applications.
• Develop and maintain frontend functionality using Type Script, HTML, CSS, and modern frameworks such as Angular.
• Support backend API and service development using C# and ASP.NET Web API.
• Assist with SQL Server development, including queries, stored procedures, views, and data validation.
• Perform functional, regression, integration, and usability testing for web applications and APIs.
• Develop or maintain automated test cases, test scripts, and testing documentation.
• Identify, document, reproduce, and track software defects through resolution.
• Support CI/CD pipeline activities and secure coding best practices.
• Participate in Agile ceremonies including backlog refinement, sprint planning, and retrospectives.

• Engage directly with customers, operations teams, and program stakeholders to understand needs, gather requirements, clarify expectations, and ensure alignment with business goals.
• Provide product demos, feature walkthroughs, and technical presentations to customers and internal audiences.
• Collaborate closely with UI/UX designers to translate user insights into intuitive, user‑centered interfaces and interactions.
• Communicate clearly and professionally through written documentation, customer updates, user guides, release notes, and internal knowledge sharing.
• Act as a liaison between technical and non‑technical stakeholders, ensuring complex issues are explained in a clear, accessible way.
• Help triage customer‑reported issues, support root‑cause analysis discussions, and guide customers through validation and testing as needed.

This is not a heads‑down, isolated engineering role — this is a highly interactive, communicative, and collaborative position where the ideal engineer enjoys building relationships as much as they enjoy building software.

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related discipline, or equivalent practical experience.
• 5+ years of professional experience supporting web application development and/or software testing.
• Experience developing or supporting applications using Type Script, HTML, CSS, and frontend frameworks such as Angular.
• Experience with C# and ASP.NET MVC/Web API development.
• Familiarity with SQL Server, T‑SQL queries, stored procedures, and relational database concepts.
• Experience performing manual testing, regression testing, or QA validation activities.
• Understanding of software development lifecycle (SDLC) processes and Agile…