Top Senior Java Developer Jobs in Baltimore, MD

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Develop and deploy mission-critical software within a SAFe Agile and DevOps environment. Responsibilities include architecting server-side Java business logic, developing user interfaces, applying TDD and automation, integrating databases and application servers, and supporting secure systems engineering. The role requires collaboration, requirements decomposition, testing, continuous integration, and independent task prioritization while working with technologies including Java, Python, C/C++, SQL, Linux, Windows, and enterprise testing tools.

Develop and maintain software solutions supporting U.S. government missions. Responsibilities include Java development, requirements gathering, documentation, workflow support, problem solving, and collaboration using tools such as Confluence and Jira. Desired experience includes AWS, Maven, Git, GitLab, MapReduce, JUnit, Python, Linux, streaming capabilities, and AI. The position requires an active Top Secret/SCI clearance with a favorable polygraph.

Maintains, troubleshoots, upgrades, and integrates containerized applications deployed in Kubernetes and Linux environments. Develops software and automation using Python, Java, Bash, PHP, and Ansible; manages CI/CD workflows with GitLab and source control with Git. Supports mission services, documents configurations and system changes, assists external customers, and may provide training. Requires extensive COTS/GOTS integration experience and an active Top Secret/SCI clearance with favorable polygraph.

Develop and maintain software supporting U.S. government mission needs using Python, Kotlin, Java, Terraform, Elasticsearch/OpenSearch, and AWS. The engineer will assist with daily software engineering responsibilities, innovate solutions, and contribute to projects of similar scope and complexity. The role requires a current Top Secret/SCI clearance with favorable polygraph, U.S. citizenship, seven years of software engineering experience, and a relevant bachelor’s degree or qualifying experience substitution.

Develop backend software and contribute to UI development for mission-focused government programs. The role requires building, improving, and supporting software solutions using MongoDB, Scala, Java, and AWS while collaborating on projects of similar scope and complexity. Candidates must hold an active Top Secret/SCI clearance with a favorable polygraph and be U.S. citizens.

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.

Develop and maintain Java-focused backend libraries and services that ingest, transform, and standardize diverse data formats. Build Python components, optimize MongoDB services, administer Linux systems, upgrade servers, install packages, monitor services, and troubleshoot environments. Contribute to scalable architecture, data modeling, integration patterns, Git workflows, code reviews, and continuous improvement. The role is onsite, requires U.S. citizenship, and involves a Top Secret SCI with Polygraph clearance.

Develop and maintain full-stack web applications using Java, Quarkus, and PrimeFaces within an Agile software development team. Responsibilities include requirements analysis, development, installation, integration, testing, maintenance, enhancement, and troubleshooting. The role supports mission-critical data management applications and requires collaboration in a mature development environment, with AWS cloud technologies and CI/CD practices highly desired.

Develop and maintain full-stack Java web applications supporting intelligence-community data management and compliant data movement. Responsibilities include requirements analysis, software development, integration, testing, maintenance, troubleshooting, workflow development, and UI implementation. The role uses Agile practices and technologies including Quarkus or Spring Boot, PrimeFaces, APIs, Kafka or JMS, PostgreSQL, AWS, and GitLab CI/CD. An active TS/SCI clearance with current polygraph, five years of software engineering experience, and an approved certification are required.

Develops, enhances, tests, and maintains enterprise Java applications and RESTful web services. Responsibilities include modernizing legacy systems, building Java EE/JEE applications, implementing authentication and authorization, optimizing PostgreSQL databases, supporting AWS environments and CI/CD pipelines, applying security and accessibility standards, and translating business requirements into application features. Collaborates with technical teams and stakeholders in a remote work environment.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, and Node.js. Build REST APIs, microservices, PostgreSQL data models, integrations, CI/CD pipelines, and containerized deployments. Improve application reliability, observability, security, performance, and scalability while troubleshooting production issues. Collaborate with Product, UX, QA, DevOps, Architecture, and engineering teams through design sessions, code reviews, planning, and client-facing workshops.

Develop and maintain scalable Java/Spring Boot backends and Angular frontends. Build REST APIs, messaging and caching solutions, write automated tests, conduct code reviews, troubleshoot issues, and participate throughout the software development lifecycle. Collaborate with analysts and QA teams while ensuring performance, accessibility, security, and code quality. The role also requires cloud, containerization, Agile, database, and AI-assisted development experience.

Develop core infrastructure and horizontally scalable APIs for Elasticsearch. Solve complex performance, concurrency, stability, and operational issues; improve observability and developer productivity through automation and AI-enabled workflows. Lead cross-team projects, design APIs, support difficult customer issues, and own investigations through resolution. Collaborate across distributed engineering teams while contributing to open-source projects and maintaining secure, performant, and reliable platform functionality.

Build and enhance production-grade full-stack applications using React, Java, and/or Python. Develop scalable microservices and RESTful services, resolve performance and architectural issues, and deliver high-throughput, low-latency systems in cloud environments. Collaborate in Agile teams, use modern development and CI/CD practices, apply AI-assisted development tools, and mentor engineers while owning implementation across the application stack.

Build enterprise workforce management software for forecasting, capacity planning, scheduling, adherence, intraday management, and reporting. Develop Java and Spring Boot microservices, React and TypeScript applications, REST APIs, event-driven workflows, integrations, and PostgreSQL data models. Support cloud-native deployments, CI/CD, testing, performance optimization, production troubleshooting, and technical design. Collaborate with product, operations research, QA, DevOps, UX, and client stakeholders.

Develop and deploy Java applications using Spring Boot and Spring Batch. Design and integrate microservices, build secure and performant REST/OData APIs, optimize SQL queries and database designs, and maintain code quality through JUnit testing and quality tools.

Develop secure, scalable full-stack applications using Java, Spring Boot, microservices, REST APIs, AWS, Docker, and Kubernetes, while leading Angular frontend architecture and development. Build responsive interfaces with Angular, TypeScript, NgRx, RxJS, and Angular Material. Contribute across the software development lifecycle, including design, testing, automation, troubleshooting, and deployment. The role requires enterprise architecture experience, Agile collaboration, and mandatory fraud prevention domain expertise.

Build secure, scalable full-stack applications using Java, Spring Boot, microservices, REST APIs, AWS, and Angular. Develop responsive user interfaces, integrate APIs, implement authentication and authorization, design distributed architectures, and support testing, troubleshooting, and automation. The role requires mandatory fraud prevention domain experience and collaboration within Agile engineering teams.

Develop, maintain, enhance, test, integrate, and troubleshoot scalable Java applications using Spring technologies. Work with Linux, scripting, SQL and NoSQL databases, containers, Kubernetes, Helm, messaging systems, CI/CD, infrastructure automation, and Git. Collaborate cross-functionally to ensure reliability, performance, security, and integration across complex mission-focused environments.

Develop and maintain Java applications, RESTful services, and Angular frontends using Spring Boot and NgRx. Deploy applications to cloud platforms, practice TDD, manage CI/CD with Jenkins, and work with Oracle and PostgreSQL databases. Participate in agile processes, collaborate with cross-functional teams, mentor engineers, and independently lead technical initiatives and feature delivery.

Develop and maintain Java-based applications, integrations, workflows, and services supporting an Oracle Identity Manager IAM platform. Responsibilities include troubleshooting production issues, performing root cause analysis, developing SOAP and REST integrations, configuring connectors, supporting Oracle SOA workflows, assisting with upgrades and modernization, and maintaining security and change-management documentation. The role collaborates with government stakeholders and requires the ability to obtain an IT-II security clearance.

Design, develop, deploy, and maintain secure, scalable Java and Spring Boot services for a multi-tenant ecommerce SaaS platform. Build REST APIs, optimize MySQL data access, operate AWS workloads, and support CI/CD, observability, testing, and production troubleshooting. Contribute to architecture and technical decisions, mentor engineers, use AI-assisted development tools responsibly, and help maintain PCI DSS compliance.

Leads and develops software engineering teams while remaining hands-on with Java and Spring Boot development. Responsibilities include setting architecture and technical roadmaps, delivering scalable enterprise applications, guiding Agile planning, improving CI/CD and DevOps practices, supporting production reliability, mentoring talent, and partnering with product and business stakeholders. The role manages hiring, performance, succession planning, and engineering excellence initiatives.

Designs, develops, and deploys enterprise applications using Java, Spring Boot, microservices, REST APIs, cloud services, databases, DevOps tools, and Angular or React. The role also involves AI exposure with Python, LangChain, and LangGraph, along with application security, monitoring, performance, deployment, and collaboration with project teams. The position is onsite in McLean, Virginia.