Top Senior Java Developer Jobs in Phoenix, AZ

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.

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.

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).

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.

Develop and maintain Java/JEE applications with strong RESTful web services expertise. Work with Core Java and frameworks including Spring, Hibernate, JMS, and Maven. Requires 5–7 years Java experience and U.S. work authorization.

Design and build Java-based integrations using MuleSoft, Apache Camel or Spring Integration. Develop web services (XML, SOAP, REST, XSLT), create requirement specifications from architecture/design, work with cloud APIs, coordinate projects, and travel for consulting engagements.

Develop and maintain Java-based web services and applications using Core Java and the JEE stack. Design, implement, and support RESTful APIs and integrate with Spring, Hibernate, JMS and build with Maven. Collaborate with team to deliver production-ready software.

Design, build, and maintain scalable enterprise full-stack applications using Java, Spring Boot, microservices, and modern front-end frameworks. Implement cloud-based solutions on AWS, contribute to CI/CD and DevOps automation, optimize performance and security, and integrate AI-driven capabilities using Python and orchestration tools like LangChain and LangGraph.

Analyze legacy TIBCO BusinessWorks/MFT processes to extract business logic, design and build a decoupled Java/Spring Boot microservices platform, migrate protocols to Kafka/RabbitMQ/REST, translate XML-heavy transformations to modern formats, and validate performance and SLAs to match legacy throughput.

Design, build, and maintain Java/J2EE multi-layer applications and APIs. Collaborate with architects and DevOps to implement CI/CD, code quality, testing, and database solutions (DB2/Oracle, PL/SQL). Support cross-team delivery, resolve technical roadblocks, and drive process improvements in an asset management/financial services context.

Lead reverse-engineering of TIBCO BW/MFT processes, document business rules, and reimplement them as modular Java/Spring Boot microservices. Migrate protocols to Kafka/RabbitMQ/REST, ensure data consistency, and perform performance testing to match legacy SLAs.

Design and build Java/J2EE solutions using Spring and APIs; develop webservices, DB schemas, PL/SQL and transactional SQL in DB2/Oracle; collaborate with architects, developers and DevOps to implement CI/CD (Jenkins, uDeploy), ensure code quality (Sonar), perform code reviews and testing, resolve technical roadblocks, and drive process improvements. Requires strong communication and teamwork.

Reverse-engineer TIBCO BW/MFT processes to extract business logic, then design and implement a modular Java/Spring Boot microservices replacement. Migrate protocols to Kafka/RabbitMQ/REST, translate XML transformations, ensure data persistence and consistency, and validate performance to meet existing SLAs.

Design, develop, and modernize software by translating legacy mainframe code (COBOL/ASM/JCL/Copybooks) into Java microservices. Support UI integration, relational and hierarchical databases, batch and real-time processing, CI/CD, cloud-native and ZT/ICAM integration, and use AI/ML tools to assist translation and optimization. Work supports pre-production, testing, and integration activities.

Develop and maintain core Elasticsearch infrastructure and shared platform features. Design scalable APIs, solve performance and concurrency issues, improve observability and CI/CD, automate developer workflows, lead cross-team projects, support complex operational investigations, and use AI to accelerate development and debugging.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

The role involves improving Elasticsearch's distributed components, maintaining cluster coordination systems, and addressing complex issues to optimize performance and scalability.

Senior Java engineer to design, develop, and test low-latency, high-throughput RESTful web services. Implement shared components and frameworks on Linux, write strong unit tests (JUnit/TestNG), and work in a scrum team using Spring, JAX-RS, Maven, and SQL.

Develop and maintain Java-based integration systems using Spring, Apache Camel, Ignite and Kafka. Implement concurrency, caching, messaging, REST/HTTP/SFTP interfaces, error handling, and advanced Java features (annotations, generics, reflection, NIO). Configure Spring beans and profiles and apply enterprise integration patterns for high-availability solutions.

Develop and optimize Hadoop/Big Data solutions using Java MapReduce. Work with Hadoop ecosystem tools (Pig, Hive, HBase, Oozie), NoSQL databases (Cassandra/MongoDB), reporting tools (Tableau/Platfora), Unix environments, and optimize ETL jobs. Execute major projects and communicate effectively with stakeholders.

Develop and maintain Big Data solutions using Java/J2EE and Spring MVC. Design and implement MapReduce jobs and HBase data imports, build REST APIs to retrieve HBase data, preprocess unstructured data with Unix shell scripts, and work with Hadoop ecosystem tools (Pig, Hive). Manage Linux/distributed systems, ActiveMQ integration, troubleshooting, project coordination, and consulting-style client work with regular travel.

Provide production support for Java/J2EE applications using Kafka and Zookeeper. Troubleshoot and maintain services built with Spring MVC/Boot, Vert.x, Solace, Hazelcast, RxJava, Hystrix, and DB2/Oracle in a DevOps/Agile environment. Communicate with stakeholders and resolve production incidents.

Senior Java developer responsible for backend development using Spring, JPA/Hibernate, Apache Camel, and Apache Ignite. Work in a global delivery environment, collaborate across teams, and communicate proactively. Requires strong analytical and communication skills and the ability to operate independently within project teams.

The Staff Engineer will leverage over 5 years of experience in Java, JavaScript, and frameworks to develop robust solutions, mentor teammates, and enhance client outcomes while utilizing agile methodologies and cloud development tools.