> Markdown version of [/jobs/ext/1892114-applications-engineer-senior](https://www.wearedevelopers.com/jobs/ext/1892114-applications-engineer-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Applications Engineer - Senior - **Company:** MetroStar Systems - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $150,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Application Integration Architecture, Application Performance Management, Configuration Management, Code Review, Databases, Software Debugging, Scrum Methodology, Systems Development Life Cycle, Software Deployment, Software Engineering, Software Requirements Analysis, Software Systems, Enterprise Software Applications, Git, Infrastructure Automation Frameworks, 3-tier Architectures, Software Version Control - **Published:** August 1, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9071550/applications-engineer-senior ## About the Role * Bachelor's degree (or equivalent experience as permitted by the solicitation). * Ten (10) years of relevant experience in software engineering, application development, or systems development. * Experience designing, developing, testing, debugging, and implementing enterprise software applications. * Experience analyzing software requirements and translating them into technical designs and software solutions. * Experience developing software throughout the Software Development Life Cycle (SDLC), including development, testing, deployment, and sustainment. * Experience integrating applications with databases, APIs, and other enterprise systems. * Experience using source code management and configuration management tools (e.g., Git or equivalent). * Experience supporting software testing, troubleshooting, defect resolution, and production deployments. * Ability to work effectively in an Agile software development environment. * Must possess an IT-II (Non-Critical Sensitive) security clearance or Tier 3 (T3) background investigation (equivalent to a position of public trust; not a Secret security clearance) at the time of proposal submission. SALARY RANGE: $150,000 - $175,000 The salary range for this position is determined based on qualifications, skills, and relevant experience. The final salary offered will be determined based on several factors including: * The candidate's professional background and relevant work experience * The specific responsibilities of the role and organizational needs * Internal equity and alignment with current team compensation * This role is also eligible for additional compensation, subject to the terms and policies of MetroStar, which may include ## Description The Sr. Software Engineer III designs, develops, tests, and maintains enterprise software applications that support DLA's AI/ML modernization initiatives. Working across the full software development lifecycle, the role translates technical requirements into secure, scalable, and high-performing solutions while collaborating with architects, data engineers, and Government stakeholders to deliver mission-critical capabilities., * Design, develop, and enhance enterprise software applications that support DLA's AI/ML and advanced analytics initiatives. * Analyze business and technical requirements and translate them into functional software solutions. * Develop, test, debug, and integrate software components within the AWS GovCloud environment. * Collaborate with software architects, requirements analysts, testers, and Government stakeholders to deliver secure, scalable applications. * Participate in Agile sprint planning, code reviews, technical design sessions, and software demonstrations. * Develop and execute unit, integration, system, and performance tests while resolving software defects and improving application quality. * Support application deployments, configuration management, and production releases using established change management processes. * Troubleshoot production issues, implement enhancements, and optimize application performance throughout the software lifecycle. * Prepare technical documentation, design artifacts, and software release packages to support deployment, sustainment, and future enhancements. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Are Code Reviews Worth It? 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