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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Java Full-Stack Developer - **Company:** CGI Technologies and Solutions, Inc. - **Location:** Baltimore, MD, United States - **Experience:** Expert - **Salary:** $89,600.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Spring Security, Active Directory, Confluence, JIRA, Automation of Tests, Bootstrap (Software), Data Integrity, DevOps, Eclipse (Software), Groovy, Hibernate (Java), Java Persistence API, JQuery, Junit, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), PostgreSQL, Liquibase, Apache Maven, Model View Controller (MVC), OAuth, OpenShift, Mockito, Parasoft, JSON Web Token, Selenium, Systems Integration, Openapi, Scripting, Spring Cloud, Grafana, Spring-boot, Kubernetes Helm Charts, Mustache, Backend, Git, Kubernetes, Bitbucket, Cucumber (Software), Docker, Jenkins - **Published:** August 6, 2026 - **Apply:** https://dejobs.org/x/x/E1EFE588DA47426B8DA7822F87889739/job/ ## About the Role Ability to obtain and maintain US Public Trust Clearance . 10+ years of hands on Java expertise with strong proficiency in Spring Boot 3.x (MVC, Data JPA, Security, Session, LDAP). . Demonstrated experience with PostgreSQL and JPA/Hibernate. . Practical background implementing JWT, OAuth2, and LDAP authentication patterns. . Experience building server rendered UI with Thymeleaf/Mustache and Bootstrap/jQuery/HTMX. . Strong automated testing discipline (JUnit 5, Mockito, Cucumber, Selenium). . Skilled in Maven multi module builds, parent POM structures, and advanced plugin configuration. . Experience using Eclipse IDE and Lombok. . Working knowledge of Groovy (Jenkins pipelines), Python scripting fundamentals, and familiarity with Helm/Kubernetes/OpenShift. . Proven ability to independently troubleshoot, sustain, and enhance production systems. . Solid understanding of CI/CD pipelines, container lifecycle concepts, and modern orchestration approaches. Desired qualifications/non essential skills required: . Experience integrating and maintaining Parasoft SOAtest (including Maven and DTP reporting). . Prior work within federal agencies or highly regulated enterprise environments. . Background authoring Jenkins Groovy shared libraries, authoring Helm charts, or scripting in Python. . Familiarity with OpenShift deployment models and release governance best practices. . Exposure to DevOps/observability tools (Docker Compose, Grafana, TimescaleDB). . Experience integrating secure, agentic AI capabilities into existing systems while maintaining federal data integrity., * Eclipse * Java * Jenkins * Postgre SQL * Python ## Description CGI Federal is seeking an experienced Senior Java Full Stack Developer to provide end to end ownership of critical internal applications supporting SSA's MDE platform. In this role, you will serve as the primary engineer responsible for the design, development, security, deployment, and sustainment of production systems relied upon by mission stakeholders. This position is ideal for a highly self sufficient technologist comfortable operating across a diverse enterprise ecosystem and contributing to multiple codebases with minimal ramp up time., Lead full life cycle development of Spring Boot 3.x applications, including backend services, REST/OpenAPI interfaces, and server rendered UI using Thymeleaf/Mustache, Bootstrap, HTMX, and jQuery. . Design, optimize, and maintain PostgreSQL database models leveraging JPA/Hibernate, Liquibase/Flyway migrations, and schema/role governance. . Implement and support authentication and authorization mechanisms such as LDAP/Active Directory, JWT (RS256), OAuth2, and Spring Security. . Maintain and evolve multi module Maven builds, including integration of internal SSA/MDE libraries and plugin configurations such as JaCoCo and Surefire/Failsafe. . Develop and maintain robust automated test suites using JUnit 5, Mockito, Cucumber/BDD, Selenium, and Parasoft SOAtest (where applicable), including coverage gating. . Support SSA Jenkins CI/CD pipelines and environment configuration via Spring Cloud Config; troubleshoot and extend Groovy based Jenkins shared library functions. . Contribute to Python automation tooling and assist with Helm based deployments and Kubernetes/OpenShift operational troubleshooting. . Collaborate through Git based workflows (Stash/Bitbucket), participate in formal PR reviews, and maintain internal documentation across Confluence and Jira Service Desk. ## Related Videos - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [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) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)