Top Senior Java Developer Jobs in Baltimore, MD

Designs, implements, and runs Java Spring Boot microservices and REST APIs; leads design, CI/CD, TDD, performance tuning, security, and cross-product collaboration. Coaches teams and owns product KPIs and production support.

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.

Lead backend architecture and implementation for Java Spring microservices, validate and own AI-assisted code, mentor engineers, collaborate with product to deliver features, and drive technical excellence and scalable, test-covered systems.

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.

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.

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.

Design, build, and maintain scalable J2EE business applications. Implement features, fix bugs, participate in code reviews, automate tests, optimize performance, and produce documentation.

Lead backend Java development and architecture for enterprise applications. Design and deliver scalable, resilient microservices and APIs, mentor developers, lead technical decisions, support production incidents, and implement CI/CD and cloud-native solutions on AWS.

Design, develop, and maintain Java-based backend services and APIs for KeeperApp. Own backend components, optimize MySQL schemas/queries, ensure performance and reliability, apply secure coding practices, participate in code reviews, and collaborate with product and engineering teams to deliver features iteratively.

Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.

Build and deliver backend enterprise web applications for Citi's Integrated Digital Assets Platform using Java/Spring and web3 technologies. Collaborate with distributed teams, follow best practices and design patterns, write technical documentation, resolve issues, and ensure scalability, reliability, and performance.

Design, build, and maintain secure, high-performance RESTful APIs and microservices using Java and Spring Boot. Collaborate with cross-functional teams, implement API security (OAuth2/JWT/OpenID Connect), optimize databases, integrate messaging systems, write unit/integration/API tests, participate in code reviews and architecture decisions, troubleshoot production issues, and contribute to CI/CD and DevSecOps practices.

Design, build, and maintain scalable enterprise full-stack applications using Java, Spring Boot, microservices, and modern front-end frameworks. Implement cloud-based solutions on AWS, contribute to CI/CD and DevOps automation, optimize performance and security, and integrate AI-driven capabilities using Python and orchestration tools like LangChain and LangGraph.

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.

Lead architecture and delivery of large-scale Java microservices. Define standards, mentor teams, design RESTful and event-driven systems, ensure scalability, resiliency, CI/CD, observability, and data governance while collaborating with stakeholders and managing technical risk.