Top Senior Java Developer Jobs

Convert legacy AS/400 RPG applications to modern J2EE web applications by rewriting RPG code in Java. Design and develop J2EE components using Hibernate, Spring frameworks, optimize DB2 queries, integrate with CI tools, and collaborate with the team to deliver migration projects on schedule.

Onsite contract Senior Java Developer in Phoenix. Requires 5+ years programming and analysis experience, including 5+ years Java and 3+ years using Spring and Camel. Candidate must be authorized to work in the U.S. and clear a background check prior to assignment.

Design, develop, and maintain J2EE e‑commerce systems using WebSphere Commerce. Gather requirements, contribute to architecture, build new features, diagnose performance and availability issues, and optimize database and core commerce functions for scalability and reliability.

Senior developer role requiring 10 years' IT experience to design and maintain Java/JEE backend systems with Cassandra and NoSQL databases, integrate with Oracle, implement messaging via JMS, and support AngularJS/HTML5 front-end components. Contract position requiring U.S. work authorization.

Participate in full system lifecycle: analyze requirements, design, code, test, and implement J2EE web applications and integrations. Work with DBMS, application servers, build/release tools, and source control to deliver on-time solutions.

Design and implement Hadoop/HBase solutions and MapReduce jobs to process and import large unstructured datasets. Develop Java/J2EE (Spring MVC) REST APIs to query HBase, perform Unix shell preprocessing, manage distributed Linux systems, and troubleshoot middleware (JBoss, ActiveMQ).

Senior Java developer to design, develop, and maintain web applications using Java and Spring (MVC). Responsibilities include applying design patterns, configuring Tomcat, using build tools (Ant/Maven/Gradle), writing unit and functional tests (Selenium), managing version control/branching, working with Oracle SQL/PL/SQL and ORMs (iBatis/myBatis, Hibernate), handling Java concurrency, front-end work (JSP/JSTL, HTML/CSS/JS/jQuery), participating in Scrum, code reviews, and collaborating with a team onsite in Phoenix.

Develop and maintain Java/J2EE applications with AngularJS front-ends; design microservices using Spring Boot; ensure multithreading, memory, networking and security (OAuth). Interface with native mobile teams for hybrid apps, lead a small team, apply MVC and common design patterns, and work within agile or waterfall processes while client-facing.

Lead development and delivery of Java/J2EE web applications, guide mid/junior engineers, design component and data architectures, manage integrations, oversee testing/build/release, support Microsoft server clustered environments, and research/incorporate emerging technologies.

Lead full lifecycle Java/J2EE application development, design component/data architecture, guide development teams, integrate systems, research emerging technologies, and support deployment, build/release, and maintenance activities.

Full‑stack Java UI developer responsible for designing and developing web/SOA/cloud applications using Java/J2EE, Spring/Hibernate, and front-end frameworks (AngularJS, Node.js, MEAN). Works on Oracle PL/SQL and integration with NoSQL/ search technologies, follows SDLC/Agile and CI/CD practices, participates in architecture and design reviews, and supports global delivery teams.

Senior Java developer to lead a team and build high-volume, thread-safe enterprise applications in a WebSphere/J2EE environment. Responsibilities include designing and implementing REST/SOAP services, using Spring frameworks, JMS/MQ integration, database work (DB2/MySQL), ORM, testing with JUnit/Mockito/Cucumber, tuning performance, and working in Agile/Scrum.

Develop enterprise J2EE applications using Core Java and Spring. Build RESTful and SOAP APIs, write PL/SQL for Oracle, create unit tests, and work with ElasticSearch (secondary).

Develop and maintain Java/J2EE applications; design microservices architectures; work full-stack (front- or back-end); implement CI/CD with containers; write automated tests (JUnit, Jasmine/Karma/Protractor); use Spring Cloud/Netflix OSS, REST, Zookeeper, and Cloud Foundry; participate in Agile/XP teams and client interactions.

Develop and maintain Java/J2EE applications using Spring MVC. Build REST APIs to retrieve and import large HBase datasets on Hadoop, design MapReduce jobs, preprocess unstructured data with Unix shell scripting, manage Linux/distributed systems, and troubleshoot integrations (HBase, Pig, Hive, ActiveMQ).

Technical lead to migrate legacy Java services to a microservices architecture using Spring Boot and Pivotal Cloud Foundry. Implement microservices, ensure code quality with SonarQube, work in Agile/Scrum, and use GoCD for continuous delivery. Requires 5+ years Java experience and at least one full lifecycle Spring Boot engagement.

Design and deliver cloud-native Java/J2EE solutions and microservices, provide architecture and solutioning for cloud transformations (PCF/PaaS), support presales and client workshops, create technical collateral and guide competency development, and participate in implementation, performance tuning, and CI/CD practices.

Design and implement server-side components and web services, convert wireframes to prototypes, collaborate with UX, analysts and architects, and deliver applications using Agile and iterative SDLC.

Develop Java applications integrated with Oracle PL/SQL; perform database tuning, performance improvements and data analysis. Maintain proactive communication and collaborate with stakeholders to deliver solutions.

Design and document system architecture; define database, application, and OS requirements; consult with end users to test and debug applications; provide application development expertise and training to IT staff; serve as a top-level contributor on complex projects. Contract position, on-site only.

Develop and maintain Java-based front-end/UI components and full-stack functionality using Java/JEE and modern JavaScript frameworks (AngularJS or React). Work in Agile/XP teams practicing pair programming and TDD, using Spring, MongoDB, Jenkins, Docker, Node.js and Git tooling. Collaborate across stakeholders in the insurance domain to meet delivery velocity.

Develop and maintain Java applications with strong Oracle PL/SQL expertise. Perform database tuning, performance improvements, and data analysis. Require proactive attitude, excellent communication, and at least six years of development experience.

Design, develop, and test portal and enterprise applications using Java/J2EE and MVC. Build Core Java back-end and front-end UI with HTML5, Bootstrap, jQuery, and AngularJS. Create prototypes and wireframes, participate across the SDLC (development and testing), collaborate with clients and global delivery teams, and apply analytical problem-solving.

Lead development of Java/J2EE microservices and front-end using AngularJS. Implement OAuth-based security, work with hybrid/native mobile teams, mentor small teams, and apply design patterns and agile practices.

Lead and develop enterprise Java applications in a WebSphere environment. Design and build REST/SOAP services, ensure thread-safe concurrency, tune high-volume systems, use J2EE/Spring frameworks and ORMs, work in Agile teams, write automated tests, integrate with MQ and databases, and mentor a small development team.