Top Java Developer Jobs in Baltimore, MD

The Cloud Platform Engineer will develop software components, integrate open-source code, and manage virtual infrastructure in AWS, requiring strong systems integration skills and cloud technology experience.

Mid-level software engineer supporting a defense program: develop and maintain software solutions using Zabbix, Python, Java, CSC, and Linux. Must hold active Top Secret/SCI with polygraph and contribute to mission-critical systems.

Looking for a Cloud Platform Engineer to develop custom software, manage infrastructure in AWS, and solve complex problems autonomously in a hybrid environment.

Develop and maintain Java-based mission-focused software on a small team. Implement services, CI/CD, containerized deployments, and backend integrations using Git, Gradle, Docker, REST, and Linux. Support ops and limited UI work as needed.

Design, develop, and maintain DevOps/tools and services (GitLab, Artifactory, MinIO, GitLab Runner, Jupyter, SPARTANDESK). Automate admin tasks with Bash/Python/PHP, develop Java software, implement IaC with Ansible, manage CI/CD (GitLab CI), containerize with Docker, use Git, produce system documentation, and collaborate with cross-functional teams and mission customers.

Seeking a highly motivated DevOps Engineer with extensive experience in AWS, Linux, and automation. Responsibilities include managing cloud infrastructure, automating deployment processes, and collaborating with development teams to enhance reliability and performance.

The DevOps Engineer will automate deployment processes, manage AWS infrastructure, troubleshoot systems, and collaborate with development teams to ensure service reliability.

The Cloud Platform Engineer will develop software components, manage cloud infrastructure in AWS, and ensure system integration while enhancing existing codebases.

Design, develop and test Java/J2EE web applications using Spring/Hibernate and MVC frameworks; implement front-end features (Angular/Bootstrap); write SQL, web services, and messaging integrations; participate in Agile ceremonies and CI/CD builds and testing.

Develop and maintain ATG/Java J2EE applications, implement XML/HTTP and RESTful services, work on front-end (jQuery/AngularJS/HTML/CSS/JavaScript), use frameworks (Struts, Spring, Hibernate), integrate with WebLogic and Oracle (JDBC, PL/SQL), and apply AWS, microservices, RabbitMQ, and iOS/Swift skills across the full SDLC while collaborating with stakeholders and cross-functional teams.

Design, develop, and maintain Java/J2EE server- and client-side applications. Implement APIs, frameworks, and core business logic; use modern UI frameworks and application frameworks; apply OOA/OOD, distributed systems, databases, messaging, CI/CD, and automated testing in an Agile/TDD environment.

Design, implement, test, and maintain full‑stack features and services for the Cayuse Research Platform. Drive architecture, prototypes, and technical debt reduction while practicing TDD, expanding automated QA, collaborating cross‑functionally, and ensuring high quality delivery in an Agile environment.

Lead Software Engineer responsible for designing, developing, testing, and maintaining a distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements, implement cloud and big-data solutions (Spark/Hadoop), and ensure program standards and reliable delivery.

Design, develop, and maintain web-based UI and REST middleware for federal health IT systems. Participate in Agile/SAFe ceremonies, write design documents, implement features, resolve bugs, and support CI/CD pipelines while collaborating with product, QA, and stakeholders.

Develop, test, and maintain a complex distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements. Work with distributed workloads (Spark/Hadoop), SQL/Snowflake, AWS, shell scripting, and job scheduling/process automation. Support delivery under Agile/SAFe practices and ensure alignment with program standards.

Design, build, and support cloud-native full stack or backend Java products using TDD, CI/CD, microservices and event-driven patterns. Collaborate with product teams, provide production support, implement monitoring and ensure secure, performant systems.

Mid-level full-stack software engineer role focused on Java and AWS development to support national security missions. Must hold active Top Secret/SCI with favorable polygraph, be a U.S. citizen, and have extensive SWE experience. Work uses Confluence, Jira, GitLab; NiFi is desired. Position is for direct hires only.

The role involves designing scalable communication platforms, developing backend services, leading cross-functional teams, and ensuring architecture compliance while driving continuous improvement.

Senior software engineer to design and build solutions using Python, Kotlin/Java, Terraform, Elasticsearch/OpenSearch, and AWS. Must hold an active Top Secret/SCI clearance with favorable polygraph, be a U.S. citizen, and meet extensive SWE experience and education requirements. Direct hires only.

Mid-level software engineer role developing mission-supporting systems using Java, Hadoop, Accumulo, AWS, Terraform, and Python. Must hold active Top Secret/SCI with favorable polygraph and be a U.S. citizen. Position is hybrid and open to direct hires only.

Mid-level software engineer role developing MapReduce-based big-data solutions using Java, Hadoop, and Accumulo to support a national security mission. Must hold Top Secret/SCI with favorable polygraph and be a U.S. citizen. Responsible for designing, implementing, and delivering production software on classified programs.

Mid-level software engineer to develop AWS managed-service solutions using Hadoop, Accumulo, Terraform, Java, and Python. Must hold an active Top Secret/SCI clearance with favorable polygraph and be a U.S. citizen. Heavy emphasis on secure, mission-focused software delivery for government contracts.

Develop Java-based systems using MapReduce, cloud platforms, GhostMachine, and QTA to support national security missions. Work with a team to design, build, and deliver software solutions. Requires active TS/SCI with polygraph, substantial SWE experience, and U.S. citizenship. Direct-hire only.

Full‑stack software engineer to develop and maintain a Java/Angular/Elasticsearch tool. Responsibilities include backend/frontend development, CI/CD with GitLab and Docker, container orchestration with Kubernetes/Marathon, and supporting mission-focused capabilities. Must hold active Top Secret/SCI with favorable polygraph and be a U.S. citizen.

Develop and maintain Java/Spring applications for knowledge management and data curation. Perform ETL on enterprise data, build Portable Map Reduce (GhostMachine) analytics, and integrate NiFi, Notifier, and Atlassian/GitLab tooling. Work on a cleared team supporting national security programs.