Top Senior Java Developer Jobs in Baltimore, MD

Design, develop, and deliver mission-critical server-side and UI software within a SAFe DevOps environment. Use TDD/BDD and CI/CD to implement secure Java (and multi-language) solutions, integrate databases and services, and automate testing for high-assurance defense programs requiring an active TS/SCI with polygraph.

Plan and execute upgrades and modernization of enterprise Java applications in secure government environments. Develop and maintain Java/Python components on Windows VMware, migrate and optimize Apache Solr indexes with Zookeeper, manage Tomcat, integrate with Oracle 19c and SAP BI, use Apache Directory Studio, apply secure coding practices, collaborate with security/infrastructure/business teams, document designs and procedures, and participate in code reviews.

Design, develop, and maintain scalable Java/Kotlin microservices and high-throughput backend systems. Build and deploy cloud-native applications on AWS using Docker and Kubernetes, troubleshoot distributed systems, contribute to CI/CD and architecture, and collaborate across Agile teams to deliver mission-focused solutions.

Work on an Agile team in Aurora, CO to troubleshoot production issues, perform performance tuning, and refactor legacy Java microservices. Support RESTful APIs, use Git-based workflows, and deliver in two-week sprints for three-month increments.

Design, develop, and maintain high-performance Java applications and microservices on an Agile team. Implement RESTful APIs, integrate with SQL/NoSQL databases, use Git-based version control, and follow SDLC and peer-review processes. Support program deliveries, work on 2-week sprints, and coordinate with cross-functional teams. Requires active Top Secret clearance and occasional travel (~10%).

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.

We seek a Senior Java Software Engineer with expertise in Java and Linux to develop high-performance applications in distributed environments.

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.

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

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

Design, implement, test, and deploy secure Java/JavaScript solutions and Oracle IT capabilities for on-prem, cloud, and hybrid environments. Support integrations with third-party and GOTS products, apply Agile practices, perform system testing and defect resolution, and contribute to risk mitigation and technical documentation.

Lead systems engineer for a mission-critical system: elicit and document functional and technical requirements, perform workflow/process engineering, define technical requirements and architectures, coordinate with product owners, developers, and stakeholders, facilitate sprint execution, testing, and demos, and act as the primary technical liaison.

Develop and sustain a high-performance geospatial collaboration reporting tool. Enhance and redevelop the frontend to meet Section 508 accessibility requirements, troubleshoot interfaces between applications, and implement feature improvements and maintenance for the reporting tool suite.

Develop and sustain a mission-critical reporting and geospatial collaboration frontend. Redevelop and enhance the UI for Section 508 accessibility, maintain interfaces between applications, troubleshoot issues, and support ongoing feature enhancements and testing for intelligence community reporting tools.

Design, develop, and maintain tools and services integrating with Atlassian products (Jira, Confluence). Automate tasks with Bash/PHP, develop in Python and Java, use Atlassian SDK, Ansible, GitLab CI, Docker and Git. Produce documentation and work with cross-functional teams and mission customers. Requires TS/SCI with polygraph.

Engineer, implement, integrate, and sustain a Linux-based tools suite focusing on secure credential and privileged access management, secrets automation in CI/CD, and automation/IaC. Serve as SME for Linux tool technologies, collaborate with security/infrastructure/DevOps, troubleshoot distributed system issues, support large Linux cluster operations, and implement container and secrets-handling patterns.

Senior Software Engineer responsible for designing, coding, testing, deploying, and supporting the CCT application within an Agile team. Provide technical leadership, drive test automation, resolve technical blockers, mentor colleagues, and improve architecture, practices, and maintainable software quality.

Senior full-stack developer building Java Spring Boot microservices and React front-ends for a DoD modernization program. Responsibilities include agile development, DevSecOps/CI-CD, automated testing, performance tuning, code reviews, and stakeholder communication while supporting acceptance and load testing.

Senior Java Developer on an agile team to design, develop, test, and deploy enterprise-grade Java/J2EE web applications. Ensure performance, security, scalability, maintain documentation, review requirements, propose solutions, and improve SDLC through TDD, CI/CD automation, code reviews, and collaboration with architects and stakeholders.

Design and implement large-scale data applications using Java, Spark, and MapReduce within Cloudera/Hadoop ecosystems. Integrate Hive, Impala, YARN, and Kafka, perform data analysis, write tests (JUnit), use scripting, and manage global technology teams following industry best practices.

Design, develop, and maintain high-performance Java microservices using Spring Boot. Implement threading/concurrency, fault tolerance (Hystrix/circuit breakers), observability (SLI/SLO), event-driven solutions with Kafka, and deploy on Kubernetes/AWS. Mentor junior developers and collaborate with cross-functional teams.

Lead modernization and migration of legacy Struts 1 applications to modern Java platforms. Design, develop, and maintain scalable Java 21 applications using Spring 6 and REST APIs, troubleshoot production issues, participate in code reviews, and collaborate with cross-functional teams to deliver high-quality software.