Sr.MDE Development Support Engineer_

Sr MDE Development Support Engineer

Baltimore, MD,
Description of Work:

• Sr. MDE Development Support Engineer to provide development, testing, and sustainment support across the MDE platform ecosystem. This role spans the MDE JSON Schemas, JSON Generator, Approval Gateway, automated pipeline maintenance, and metrics collection components. The ideal candidate has deep experience in Java, Node.js, schema design, test automation, DevOps tooling, and secure enterprise application development. This engineer will work closely with cross-functional teams to enhance system reliability, support platform modernization, and ensure secure, high-quality delivery across the MDE suite.
• The successful candidate will serve as a technical leader and subject matter expert for one or more MDE platform components. This individual will be expected to independently investigate complex problems, develop and recommend technical solutions, drive platform modernization efforts, mentor other engineers, establish development best practices, and serve as an escalation point for both development and operational issues across the MDE ecosystem.
• Strong experience developing with Java 17, Spring Boot 3.4.x, Maven 3, and automated testing frameworks (JUnit 5, Mockito, Cucumber/Gherkin, Selenium/Selenium Grid).
• Hands-on expertise with JSON, JSON Schema draft-07, Node.js 22+, TypeScript 4+, YAML, and related test frameworks.
• Experience with relational databases including PostgreSQL and H2/Helium.
• Proficiency supporting CI/CD pipelines, including Jenkins Pipeline Plugin and Groovy-based pipeline logic.
• Experience with Python-based components and data persistence layers.
• Familiarity with application security concepts, CVE remediation, and tools such as Black Duck and SonarQube.
• Ability to troubleshoot complex issues across application layers including back-end, front-end, persistence, and CI/CD.
• Ability to obtain and maintain US Public Trust Clearance
  Basic Qualifications: Minimum knowledge, skills, abilities needed.
• Bachelor’s degree and 7+ years of IT related experience
• Serve as the technical Subject Matter Expert (SME) for the MDE platform ecosystem, providing guidance and leadership across platform applications, services, integrations, and CI/CD processes.
• Design, develop, enhance, and maintain MDE platform components, including JSON Schemas, JSON Generator, Approval Gateway, Metrics Collectors, and supporting services.
• Lead development efforts utilizing Java 17, Spring Boot, Maven, Node.js, TypeScript, Python, PostgreSQL, H2, HTMX, JavaScript, and related technologies.
• Drive architecture reviews, solution design, technical planning, and implementation of scalable, secure, and maintainable platform solutions.
• Develop and maintain automated testing frameworks and quality engineering practices using JUnit, Mockito, Cucumber/Gherkin, Selenium, Selenium Grid, and related testing tools.
• Lead root cause analysis, troubleshooting, and resolution of complex application, infrastructure, integration, and deployment issues across multiple platform components.
• Establish and promote software engineering best practices, coding standards, testing strategies, and secure development methodologies.
• Drive modernization initiatives, framework upgrades, dependency management, technical debt reduction, and continuous platform improvement efforts.
• Support application security activities, including remediation of security findings, vulnerability management, CVE remediation, and use of tools such as SonarQube and Black Duck.
• Design, maintain, and enhance CI/CD pipelines using Jenkins, Groovy, and related automation technologies to support efficient software delivery.
• Collaborate with cross-functional teams, product owners, architects, security teams, and stakeholders to deliver secure, reliable, and high-performing solutions.
• Evaluate emerging technologies, frameworks, and development patterns, providing recommendations for adoption and implementation.
• Mentor and coach junior and mid-level engineers through code reviews, design reviews, troubleshooting assistance, and knowledge-sharing initiatives.
• Serve as a technical escalation point for development and production support issues, ensuring timely resolution of critical platform concerns.
• Contribute to platform architecture, long-term technology strategy, governance, and continuous improvement initiatives.
  Preferred Qualifications: Candidates with these skills will be given preferential consideration.
• Experience with federal enterprise systems.
• Familiarity with government security, compliance, and software delivery requirements.
• Experience supporting modernization or refactoring of complex enterprise systems.
• Exposure to HTMX, ThymeLeaf, WebJAR, and TimescaleDB.