Top Java Developer Jobs

Develop and maintain Java/J2EE applications using Java EE or Spring. Implement ORM solutions (Hibernate/JPA), write automated unit tests, apply design patterns and software engineering best practices, and work with SQL and relational database design.

Develop and deliver high-volume, customer-facing Java web applications using Spring and related technologies. Build REST services, integrate with SOAP/REST back-ends, participate in Agile/TDD workflows, perform code reviews, and mentor junior developers while driving improvements.

Develop, design, test, and maintain Java applications using Spring. Participate in Agile/Scrum, code and design reviews, troubleshooting and production support, on-call DevOps rotation, and collaborate with architects to implement performant, reusable, and maintainable software solutions.

Develop server-side Java applications using Spring MVC and RESTful services. Work with NoSQL (Cassandra), distributed caches (Hazelcast, Ignite, Redis), JVM performance tuning, modern JVM languages (Groovy/Scala), NLP/ML, and search platforms (Solr/Elasticsearch). Contribute to high-volume systems and open-source projects within agile teams.

Develop and maintain Oracle database solutions: design data models, write stored procedures, and collaborate with the development team. Support Java integration and ensure detail-oriented database implementations. Must be eligible to work on W2.

Lead and guide a Web & Mobile Scrum team to deliver enterprise Java/J2EE applications, manage releases and backlogs, resolve escalations, enforce best practices, integrate middleware and databases, and ensure delivery on-time and on-budget while collaborating across IT, PMO, and release teams.

Lead UI-focused Java developer to design and implement ExtJS/Sencha-based front-ends, dashboards, and UI reporting. Integrate UI with middle-tier/backend, perform performance tuning, produce high- and detailed-designs, lead a team including offshore members, and drive development across the SDLC with strong communication and ownership.

Senior Java developer to maintain and scale a high‑profile sales application (Spectrum). Work includes Java backend development, REST web services, MySQL/Oracle integration, using Eclipse, EJB, JBoss and GWT frontend components. Collaborate with a small dev/QA team, redesign parts of the app, add interactive engineering document features, and follow agile practices. Strong communication skills required. Contract 6+ months.

Develop Java applications with strong database development skills. Work on algorithms and distributed computing. Experience with NoSQL databases (Mongo, Cassandra) prioritized. Contract role (6+ months) based in Schaumburg, IL at $45/hr.

Develop and maintain pricing project components using object-oriented Java/J2EE (EJB). Work with Oracle/SQL, deploy via Eclipse/WebSphere, write JUnit automated tests, and collaborate in a small agile team. Prefer experience with JMS/MQ, web services, Subversion, and Rally.

Develop and support Java/J2EE web applications (JSP/Servlet/Spring/Struts), implement payment receivables features, work full‑stack from UI to DB, collaborate with product owner in an agile team, and troubleshoot, test and enhance complex payment/workflow reconciliation processes.

Develop and maintain server-side Java/J2EE applications using HTML/XML and RDBMS (DB2/Oracle). Participate in application design, data modeling, performance tuning, and use OO design and Java EE/SOA patterns. Use code-management tools (PVCS/AccuRev). Collaborate, communicate, and solve technical problems under pressure.

Develop and deploy J2EE applications using EJBs, Struts, and Swing; deploy on WebLogic; integrate Java with external devices and MHE; apply UML and design patterns; perform coding, testing, debugging, performance tuning, and version control.

Develop and maintain network management applications for T-Mobile: translate business requirements into technical designs, write and unit-test performance-oriented code (Java, Groovy/Grails, scripts), perform code reviews, manage deployments and patches, and collaborate with systems engineers and vendors on large-scale operations solutions.

Senior Full Stack/MEAN Java Developer responsible for MEAN stack and Java/J2EE development, designing and deploying REST/JSON APIs, building scalable internet-scale systems, applying design patterns, leading teams, and communicating across teams. Experience with enterprise systems (SalesForce, Siebel, Oracle) is a plus.

Develop and maintain server-side Java applications. Requires expertise in Core Java (multithreading, concurrency, memory management, NIO, concurrent package), Enterprise Java or asynchronous/non-blocking architectures, JDBC and data modeling. Unix shell scripting required; Splunk and Perl scripting are desirable. Candidate will undergo 2–3 technical and coding interview rounds. This is a 6–12 month contract.

Develop and design Java/J2EE applications and web services within SOA/EDA architectures. Produce architecture and design artifacts, apply enterprise integration patterns, and perform performance testing, monitoring, and tuning on WebLogic/Tomcat. Collaborate, lead, and solve problems; optional experience with OSGi, SCA, Spring, and EBS is a plus.

Long-term contract Java Developer role requiring 6+ years experience building SPAs and web applications using Java/JavaScript stacks. Work includes front-end frameworks (Angular/AngularJS, Backbone/Knockout), data visualizations (D3.js/SVG), templating, testing (Jasmine), responsive design (Bootstrap, LESS/SASS), and awareness of server-side MVC and web services. Strong communication and customer-facing skills required.

Support and maintain middleware (Apache, JBoss, Tomcat), messaging (JMS), ESB (Red Hat Fuse), portals (Liferay), and identity solutions (SiteMinder, WSO2). Develop Java-based backend and web services, work on Solaris/CentOS/Windows platforms, and communicate with stakeholders. 6+ month engagement; phone and Skype interviews.

Senior Java portal developer responsible for designing, architecting and developing complex Oracle-based web applications and portal solutions using Java/JEE, ADF/WebCenter, WebLogic, SOA and XML technologies. Mentor team members, optimize performance, support data migration and ensure infrastructure security and multi-tier distributed application design.

Develop and maintain Java-based enterprise applications using JPA/Hibernate, Spring, and REST. Analyze and document requirements, write and test code, deploy and integrate systems, evaluate vendor software, and enforce quality standards. Lead and mentor developers, create training materials, and communicate status to management while following Agile practices.

Hands-on technical design and coding within large, complex systems; integrate diverse technical environments and cross-platform technologies; mentor and supervise technical teams; present technical concepts to non-technical stakeholders; collaborate with business users, project managers, and technical architects; use Java, Oracle, and Eclipse.

Develop and maintain Java applications using Oracle ATG Commerce. Participate in development, design and architecture tasks. Immediate start for a 6+ month contract with possible extensions.

Develop web applications using Java and open-source technologies (Spring, Hibernate, Struts, JDBC). Build UIs with GWT/SmartGWT or similar, work with Tomcat, ANT, SQL, XML, HTML, JavaScript, and apply OOP and design patterns. 6-month contract with possible extension.

Full Stack Java Developer to build and maintain Java-based applications with a preference for front-end work. Responsibilities include application analysis, design, development, testing, and integration. Strong communication skills required. Contract-to-hire for 6+ months. Candidates must be EAD holders, Green Card holders, or US citizens.