Top Entry Level Java Developer Jobs

Design, develop, test, deploy, and maintain scalable Java applications, services, and platforms supporting investment and business workflows. Build distributed systems, APIs, data platforms, and event-driven architectures; modernize existing technology; improve performance, reliability, and scalability; and contribute to architecture and technical strategy. Partner with users and engineering teams throughout the software development lifecycle to deliver production-quality solutions.

Build scalable Java backend services and AI-enabled applications, including multimodal model integrations, AI agents, and video analysis pipelines. Own solutions from technical design through production support while collaborating with Product, UX, QA, and engineering teams. Design reliable data storage and architectures, develop automated testing, troubleshoot production issues, and follow software development lifecycle and coding best practices.

Design, develop, and maintain scalable, resilient microservices and distributed payment-processing systems using Java or Go. Build REST APIs, integrate databases and messaging systems, write automated tests, support CI/CD, and ensure production security, performance, and reliability. Collaborate with cross-functional and distributed engineering teams on technical designs, code reviews, observability, troubleshooting, and continuous improvement. Use AI-assisted development tools and agents to enhance coding, testing, reviews, and engineering workflows while maintaining code quality and responsible AI standards.

Build and maintain a high-performance Java and Spring Boot OpenFGA authorization wrapper service. Responsibilities include developing REST APIs, managing OpenFGA data models, writing automated tests, optimizing application performance, troubleshooting defects, documenting solutions, participating in code reviews and Agile ceremonies, supporting technical integrations, and improving CI/CD automation. The role requires AWS proficiency, authorization-system knowledge, OpenFGA experience, an active DoD Secret clearance, and weekly onsite work in Arlington, Virginia.

Develop and maintain Java applications and APIs hosted on Azure for healthcare systems. Responsibilities include deployment, testing, production support, Salesforce automation testing, and secure handling of PHI while complying with HIPAA requirements.

Lead full-stack workflow orchestration engineering using Camunda, Java or Python, and React. Design BPMN/DMN processes, enterprise integrations, IAM controls, resilient long-running workflows, and scalable backend services. Establish CI/CD, observability, security, testing, and operational practices while partnering with product, operations, and control teams. Drive responsible AI-assisted engineering adoption and mentor teams on secure, reliable development practices.

Build, test, troubleshoot, and support complex full-stack applications in global development teams. Candidates complete 4–8 weeks of Java-focused training, then join a client for 12–24 months with ongoing support and salary progression. The role requires knowledge of software engineering principles, object-oriented programming, data structures, design patterns, multithreading, SQL databases, SDLC, and test-driven development.

Develop and maintain mission-critical Java software applications through requirements analysis, design, development, testing, integration, and deployment. Collaborate with users and technical teammates, apply test-driven and iterative methodologies, support software baselines, and follow software development and configuration management practices. The role requires Java, service-based development, REST, messaging technologies, testing, Linux scripting, build tools, and eligibility for TS/SCI with polygraph clearance.

Develop and maintain mission-critical Java software applications through requirements analysis, design, development, testing, integration, and deployment. Collaborate with users and multidisciplinary teams, apply test-driven and iterative methodologies, support software baselines, and ensure solutions meet technical interface and mission requirements. The role requires Java ecosystem expertise, service-based development, messaging technologies, REST and web services, Linux scripting, build tools, and strong communication skills.

Develop responsive React interfaces and Java Spring Boot backend services for an enterprise cloud self-service platform. Build REST APIs, optimize SQL and database integrations, contribute to AI-powered agents and agentic workflows, and improve usability, performance, and developer experience. Collaborate with engineering and product teams in an Agile environment through code reviews, technical discussions, and UI modernization initiatives.

Develop backend services for a Big Data platform supporting data ingestion, storage maintenance, analytics integration, and distributed data processing. The role involves Java or Kotlin development with Spring Boot, Kafka, PostgreSQL, and Kubernetes, plus opportunities to work with Spark, S3-compatible storage, and other Big Data technologies. Responsibilities include contributing to design and architecture decisions, participating in the full development lifecycle, taking ownership of tasks, and collaborating with technical mentors.

Develops and tests quality Java software using clean-code principles and team standards. Participates in agile ceremonies, code reviews, refactoring, CI maintenance, performance testing, incident resolution, and routine service changes. Contributes to component designs, identifies operational issues, incorporates information security, supports teammates, onboards new members, and continuously improves software quality and technical skills.

Design, develop, test, deploy, and support backend applications using Java or Python in AWS. Build APIs, microservices, and cloud solutions; manage infrastructure with Terraform; work with databases; improve security, reliability, performance, testing, and CI/CD. Troubleshoot production issues, conduct root-cause analysis, document technical decisions, and collaborate with product, QA, SRE, security, and engineering teams.

Develop Java applications using object-oriented design, dependency injection, Guice, Spring, or EJB3. Build web and REST/SOAP services, work with Oracle or MySQL databases and SQL, and use Hibernate ORM. Develop and deploy applications on Unix/Linux, Google App Engine, and Cloud SQL. Apply unit testing with JUnit and Mockito, use AngularJS or similar frameworks, manage source control and builds with Ant or Maven, and leverage Python as needed.

Develop and maintain microservices and full-stack web applications using Java, C++, Python, and cloud technologies. Apply Agile, DevSecOps, CI/CD, GitLab, and automated testing practices. Support cloud development environments, unit and integration testing, technical leadership, mentoring, task direction, work-product reviews, customer collaboration, and training-material development. This is an on-site role supporting space and intelligence systems in Boulder, Colorado.

Develop Java-based microservices and full-stack web applications using Java, C++, Python, and cloud technologies. Apply Agile, DevSecOps, CI/CD, GitLab, unit testing, and integration testing practices. Support cloud development environment configuration, mentor junior engineers, provide technical direction, review work products, collaborate with customers and multidisciplinary teams, and maintain training materials.

Develop and maintain scalable Java backend systems using Spring Boot and microservices architecture. Collaborate with customer teams, review specifications, write clean code, participate in code reviews, document solutions, and troubleshoot and optimize backend performance, reliability, and security. The role also contributes technical expertise to training next-generation AI systems, though prior AI experience is not required.

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.

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.

Develop, test, document, debug, and maintain Java mission applications for defense and intelligence clients. Responsibilities include agile development planning, software design, troubleshooting, COTS/FOSS integration, lifecycle process compliance, documentation, and standards enforcement. The role requires active Top Secret clearance, U.S. citizenship, and potential SCI and CI polygraph processing. Preferred technologies include Java enterprise frameworks, databases, microservices, containerization, CI/CD, big data, and geospatial tools.

Develop and maintain Java and Angular enterprise web applications supporting a modernization program. Responsibilities include software design, database and web application development, requirements analysis, system modeling, quality assurance, peer reviews, test automation, continuous integration, DevOps, and lifecycle guidance. The role requires collaboration on a dispersed Scrum team and support for mission-focused projects.

Lead full-stack software engineering for secure, scalable corporate applications. Responsibilities include system design, Java and Spring Boot development, testing, troubleshooting, architecture documentation, data analysis, reporting, and operational stability. The role also leads responsible adoption of AI-assisted development tools, validates AI-generated outputs, coaches engineers, and contributes to engineering practices. Preferred experience includes Python, LLM APIs, cloud platforms, containers, Kubernetes, microservices, and performance optimization.

Designs, develops, tests, troubleshoots, and supports secure, scalable Java and React applications in an agile environment. Builds production code, contributes to architecture, analyzes data for system improvements, supports CI/CD and DevOps practices, and uses AI-assisted development tools responsibly. Preferred experience includes Kafka messaging and AWS cloud technologies.

Develop and maintain enterprise Java applications using Spring Boot, microservices, REST APIs, and React or Angular. Build responsive frontends, integrate third-party services, optimize relational database performance, and support cloud deployment. Collaborate with development, testing, and DevOps teams on code reviews, debugging, production support, and Agile delivery. This hybrid W2 contract requires onsite work three days weekly in Bridgewater, NJ, Irving, TX, or Miami, FL.

Develop and support Java software in an onsite environment requiring active TS/SCI clearance. Troubleshoot Linux and Windows systems, integrate COTS and FOSS solutions, and apply technologies including Angular, WebLogic, Tomcat, Oracle, PostgreSQL, Docker, Kubernetes, REST, microservices, Selenium, and web services. Diagnose complex issues, solve problems, and rapidly learn new technologies while using established development tools and database technologies.