Full Stack Software Engineer - QA Support Engineer

LMI is a digital solutions provider dedicated to accelerating government impact with innovation and speed. They are seeking a Full Stack Software Engineer / QA Support Engineer to support the development, testing, and enhancement of modern web applications, engaging with customers and stakeholders throughout the software lifecycle.

Responsibilities:

• Support the design, development, testing, and maintenance of full‑stack web applications
• Develop and maintain frontend functionality using TypeScript, 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

Requirements:

• 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 TypeScript, 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 methodologies
• Strong troubleshooting, analytical, and communication skills
• Experience supporting enterprise or government application environments
• Experience with automated testing frameworks and test automation tools
• Familiarity with Azure cloud services, including App Service and Application Insights
• Experience working with REST APIs and API testing tools such as Postman or Swagger/OpenAPI
• Understanding of CI/CD pipelines and source control workflows using Git
• Exposure to authentication and authorization technologies such as SAML, OAuth, or Okta SSO
• Familiarity with secure development practices and OWASP principles
• Experience supporting modernization efforts involving Angular upgrades or .NET migrations
• Knowledge of Agile or SAFe development methodologies
• Strong attention to detail and ability to manage multiple priorities in fast-paced environments
• Background working with UI/UX teams or participating in user‑centered design discussions
• Experience gathering requirements, facilitating customer feedback sessions, or conducting user acceptance test support