Lead Java Full Stack Developer

Quick Facts

• Role: Lead Java Full Stack Developer (Principal Software Engineer)
• Experience: 10+ years
• Location: Woodlawn, MD (on-site 5 days/week)

Description

Lead and design software applications using Twelve-Factor App methodology, building modern web UIs and enterprise back-end microservices. Develop RESTful and SOAP-based web services with security, batch processing, data access layers, automated testing (unit/integration/BDD), and performance-focused scalability. Provide hands-on technical leadership in Agile teams while collaborating with business analysts, QA, and project managers and ensuring Section 508 accessibility compliance.

Responsibilities

• Design and develop applications using Twelve-Factor App methodology from functional requirements
• Implement UI/GUI using AngularJS, ReactJS, Node.js, TypeScript, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery
• Build responsive, cross-browser-compliant web components and align with Section 508 standards
• Design and develop microservices using Spring Boot and RESTful architecture
• Apply DevOps practices and CI/CD pipelines using Jenkins, Git/Bitbucket, OpenShift, and cloud platforms (AWS/Azure/GCP) with containerization
• Develop and maintain enterprise batch applications using JSR 352 and schedule jobs with Control-M
• Create SOAP web services using JAX-WS/Apache Axis/WSDL and implement WS-Security using IBM DataPower; optimize messaging with MTOM/SWA and ensure WS-I interoperability
• Build the data access layer (DAO) using JPA or Spring Data against IBM DB2 9.0 and PostgreSQL on z/OS and Linux
• Create POCs and integration test frameworks using Cucumber and Gherkin; implement unit tests using JUnit, Mockito, and PowerMock
• Document architecture and design using Visio, Confluence, and UML; lead/attend technical discussions and provide solution guidance
• Guide junior/mid-level developers

Requirements

• Bachelor’s degree in Computer Science, Mathematics, Engineering, or related field (Master’s/Doctorate may substitute for experience)
• 10+ years of experience with Java, Spring Boot, Angular, and React
• Extensive design and programming experience in Java and JEE technologies
• Hands-on experience with Angular, React, and Express/Node.js (at least one framework)
• Hands-on technical lead experience
• Experience delivering Agile projects and knowledge of Agile terminology/tools
• Ability to obtain and maintain a public trust clearance
• Willingness to work on-site in Woodlawn, MD 5 days a week
• Experience designing high-throughput, low-latency scalable systems
• Experience with SPA architecture and performance optimization (async processing, caching, load balancing)
• Experience deploying cloud-native applications on AWS with PostgreSQL
• Deep knowledge of PaaS and container technologies (Red Hat OpenShift, Docker)
• Experience with CI tooling and build/release/test/security tools (e.g., Jenkins, Git/Bitbucket, Jira, Nexus, Maven, SonarQube, Fortify, UrbanCode Deploy)
• Experience with web services (XML, JAXP, JAXB, JAX-WS, Axis, Jersey, JSON, CXF, REST, SOAP) and security (LTPA, OAuth2/JWT)
• Experience with microservices and RESTful APIs, including automated unit testing and BDD with Cucumber
• Experience with JEE components (Struts, Spring Framework IoC/MVC/Transactions/Security/Batch, Spring JDBC, JPA, Hibernate, Tomcat, WebSphere)
• Experience with static code analysis (e.g., SonarQube) and remediation of technical debt; knowledge of web app vulnerabilities
• Performance tuning experience for CPU/memory utilization and scalable cloud deployments

Benefits

• Opportunity for hands-on technical leadership across front-end, microservices, web services, batch, testing, and DevOps/cloud-native tooling
• Collaborative work in an Agile, cross-functional engineering environment