Top Java Developer Jobs in Baltimore, MD

Lead development of scalable Java software applications and high-availability services. Design architectures, solve complex system challenges, improve performance and scalability, and maintain quality standards. Collaborate cross-functionally, mentor junior engineers, own technical initiatives, address support-driven issues, and implement robust testing practices for mission-critical IT operations products.

Design, develop, and enhance scalable Java software for NinjaOne’s IT Operations platform. Lead architectural decisions, build high-availability services, address scalability and technical debt, improve quality practices, collaborate across teams, mentor engineers, and own technical initiatives supporting millions of endpoints and servers.

Lead development of scalable Java applications and high-availability services. Design system architecture, solve complex scalability challenges, improve quality, mentor engineers, collaborate cross-functionally, and own technical initiatives supporting a global IT operations platform.

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 scale backend Java and Kotlin software powering patch discovery, packaging, and deployment across millions of endpoints. Design scalable systems, APIs, data structures, caching solutions, and relational databases while maintaining high testing and code-quality standards. Collaborate with AI workflow, server, platform, design, and product teams. Occasional React or Angular work may support patching workflows and dashboards.

Designs, develops, maintains, tests, integrates, and optimizes enterprise Java applications and microservices. Responsibilities include service-oriented architecture, MongoDB or MySQL database integration, Python development, debugging, performance optimization, technical documentation, and collaboration with systems engineers. Provides technical guidance and reviews software deliverables while ensuring adherence to development standards.

Design, develop, and support enterprise Java applications, microservices, REST and SOAP APIs, and cloud-native AWS solutions. Integrate and operationally support LLM and agentic AI capabilities, including retrieval-augmented generation, vector search, evaluation, guardrails, and monitoring. Build automated tests, participate in architecture and customer discussions, address security and code quality issues, provide production support, and mentor junior and mid-level developers.

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, 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 scalable backend applications and services using Java and Spring Boot. Build and consume RESTful APIs, manage builds and dependencies with Maven, and use Git for source control. Troubleshoot, optimize, and support backend applications in a collaborative Agile development environment. The role requires U.S. citizenship and eligibility to pass an extensive background investigation and clearance process before project start.

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.

Develop and maintain enterprise Java web applications using Spring Boot, REST, SOAP, SQL, and Flyway. Lead secure software development across the SDLC, including CI/CD automation, testing, vulnerability scanning, production support, troubleshooting, and root-cause analysis. Collaborate on integrations, modernization, Agile delivery, technical documentation, and application architecture. Evaluate and implement AI-enabled capabilities while maintaining security and regulatory compliance. The role is remote and requires eligibility for Public Trust screening.

Build and maintain Java backend services, REST APIs, and full-stack web application features. Develop frontend functionality with modern JavaScript frameworks, use Python for supporting work, and leverage AI coding tools such as Claude Code. Write tests, debug issues, support deployment and maintenance, and collaborate on design decisions, code reviews, and application quality improvements.

Build and maintain AI-assisted full-stack platforms for manufacturing, spanning AWS infrastructure, Python Lambda services, Java microservices, agentic LLM workflows, and Angular interfaces. Develop event-driven architectures, APIs, retrieval and scoring systems, infrastructure as code, observability, CI/CD, and secure deployment strategies. Apply rigorous testing, specification-driven development, concurrency practices, and production reliability techniques across multi-repository systems. The role requires hands-on software development experience with enterprise server, storage, or networking products.

Leads and mentors application engineers while designing Java and Spring Boot microservices. Oversees application modernization, VM-to-container migration, GCP and GKE deployments, Kubernetes troubleshooting, CI/CD, testing, database integration, observability, and distributed systems. Coordinates technical dependencies across a large application portfolio and collaborates with platform, DevOps, security, and architecture teams. Uses AI-assisted engineering tools to accelerate development, modernization, testing, documentation, and automation.

Build and maintain enterprise workforce management software for forecasting, 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, architecture discussions, and client-facing collaboration.

Build enterprise-scale workforce management software covering forecasting, capacity planning, scheduling, adherence, intraday management, and operational reporting. Develop Java and Spring Boot microservices, React and TypeScript applications, REST APIs, event-driven workflows, integrations, and PostgreSQL data models. Contribute to cloud-native deployments, CI/CD, testing, performance optimization, architecture, production support, and client-facing technical collaboration.

Designs, develops, and enhances complex Java applications and microservices for data-intensive, mission-critical environments. Builds scalable services with Spring Boot, integrates distributed technologies, works with MongoDB, Kafka, JMS, Docker, and Kubernetes, and supports CI/CD and automated software delivery throughout the software development lifecycle.

Develop and enhance scalable Java cloud applications for complex, data-intensive mission environments. Design Java services and Spring Boot microservices, integrate MongoDB, Kafka, and distributed architectures, and contribute throughout the software development lifecycle. Deploy and support containerized applications using AWS, Amazon ECR, and Rancher Kubernetes Engine.

Develop and support complex software systems using Java and Spring Boot, build front-end web applications, apply microservices deployment patterns, and test software against documented requirements. The role requires experience with RKE, Mongo, Kafka, AWS/ECR, testing frameworks, and complex software systems. It is an onsite Intelligence Community mission-support position at Fort Meade requiring an active TS/SCI clearance with Full Scope Polygraph.

Design, develop, test, debug, review, and deploy full-stack applications using Python and Java with Gradle. Gather requirements, resolve defects, create accessible user interfaces, integrate external requirements tools, and explore large language model and AI integrations. Collaborate with customers, product managers, developers, and leadership on project initiatives while mentoring junior engineers. The role is onsite at Fort Meade and supports an Intelligence Community mission.

Develop, maintain, and enhance complex Java and Spring Boot software systems, including front-end web applications, microservices, analytics, large-scale data, and real-time systems. Apply Kubernetes and Docker deployment patterns, use CI/CD practices, and test software components against documented design requirements. The role supports Intelligence Community missions onsite at Fort Meade and requires an active TS/SCI clearance with Full Scope Polygraph.

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.

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.

Design, develop, deploy, and optimize high-volume Java backend applications for financial transactions and pricing. Build scalable microservices, transactional databases, APIs, messaging systems, and secure AWS deployment pipelines. Improve performance, reliability, and zero-downtime operations while supporting financial security standards. Collaborate across teams, lead code reviews, mentor engineers, and contribute to migrating monoliths to distributed architectures.