Note: The job is a remote job and is open to candidates in USA. LMI is a digital solutions provider serving government agencies with technology, platforms, and mission-ready AI. The Senior Full Stack Software Engineer will sustain and modernize Microsoft-based business applications, develop across the .NET and React stack, and help migrate applications to AWS GovCloud. The role also supports DevSecOps delivery, data integration, governance, and coordination with government and technical teams.

Responsibilities

• Design, develop, test, and maintain full-stack web applications across the Microsoft .NET stack, including C# with .NET Framework and .NET Core, ASP.NET WebForms and MVC, and IIS
• Build and maintain responsive front-end interfaces using JavaScript, React, HTML, and CSS
• Develop and integrate data solutions on Microsoft SQL Server, including SSIS packages and SSRS reports, and connect applications to data warehouses and data marts
• Modernize legacy Microsoft applications to current frameworks, operating systems, and Agile practices
• Operate within a DevSecOps pipeline using Azure DevOps, managing source control, builds, and secure CI/CD workflows
• Support the re-engineering and migration of applications into a secure AWS GovCloud environment
• Participate in Agile ceremonies and manage work through Azure DevOps boards and backlogs
• Support sustainment and governance activities, including technical documentation, change and incident management, user resources, and cybersecurity accreditation efforts
• Coordinate with government technical leads, platform and security teams, and other developers to deliver secure, reliable solutions

Skills

• * Active Secret security clearance
• * Current DoD 8570/8140-compliant baseline certification appropriate for the position, such as CompTIA Security+
• * Eight or more years of experience in full-stack business systems web software engineering
• * Five or more years within the past ten years in DevSecOps, including Azure DevOps Services, Azure DevOps Server or Team Foundation Server, and management of modern DevSecOps processes
• * Five or more years within the past ten years across all of the following: C# and .NET development, JavaScript, MS Visual Studio, SQL, React JS or Angular JS, HTML, CSS, MS ASP.NET, .NET Framework and .NET Core, and MS SQL Server
• * Willing to work largely remote with periodic onsite collaboration in the vicinity of San Diego, CA
• * Ability to explain technical issues clearly and work effectively with government civilians, military personnel, contractors, and enterprise support organizations
• * Bachelor's degree in computer science, software engineering, information systems, or a related discipline
• * Experience modernizing Microsoft applications to current frameworks
• * Experience with jQuery, Bootstrap, DevExpress, and Django frameworks
• * Experience with containerization and Kubernetes
• * Experience with Microsoft Azure and cloud-native architecture and design
• * AWS GovCloud experience, or demonstrated readiness to cross-train into AWS as applications migrate
• * Experience supporting U.S. Special Operations Forces or other Department of War mission partners

Benefits

• This is a largely remote position, with periodic onsite collaboration in the vicinity of San Diego, CA.

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