Top Java Developer Jobs in Phoenix, AZ

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.

Lead design and delivery of microservices-based backend systems, define architecture and standards, mentor engineers, drive cloud-native CI/CD and observability, ensure scalability, resilience, data strategy, and align technical solutions with business goals.

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.

Build, integrate, and stress-test full-stack applications and backend services that leverage advanced AI models. Develop production APIs, front-end features, databases, and cloud infrastructure; troubleshoot integrations; prototype rapidly and deliver high-quality code and documentation in fast-moving environments.

Develop and maintain Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.

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.

Seeking a Staff Engineer with 5+ years in Java, focusing on mentoring teammates, solving client challenges, and conducting cloud development.

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 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 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 maintain Java-based applications using Spring, web services, JSP/Servlets, and application servers. Lead small teams, collaborate with offshore resources, participate in requirements analysis, estimation, code reviews, and configuration management across SDLC (Waterfall/Agile).

Develop and maintain Java-based web applications using Spring, web services, JSP/Servlets and JBoss. Participate in requirements analysis, estimation, coding, configuration management, code reviews, and collaborate with offshore teams in a global delivery model. Follow SDLC practices and communicate with stakeholders; domain experience in security/payments is a plus.

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.

Develop and deliver Java-based applications, lead small teams, collaborate with offshore teams, participate in requirements analysis, estimation, development, code reviews, and configuration management across SDLC (Waterfall/Agile). Maintain project lifecycle activities; prioritize tasks and communicate with stakeholders. Payments domain experience is a plus.

Design, develop and optimize Hadoop-based ETL using Java and MapReduce. Work with Pig, Hive, HBase, Oozie and NoSQL (Cassandra/MongoDB). Integrate/report using tools like Tableau/Platfora, execute major Big Data projects, and communicate with stakeholders.

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 Distinguished Engineer drives cloud initiatives, leads large-scale systems design and implementation, and mentors teams while ensuring adherence to engineering best practices.

Senior Java engineer responsible for designing, developing, and maintaining scalable, secure backend systems using Java and modern frameworks. Participate in architecture, collaborate with product and security teams, write maintainable code, and adopt AI-assisted development tools while contributing to open-source efforts.

Senior individual-contributor backend engineer responsible for designing, building, and operating production-grade, highly available, strongly consistent services for wallet operations, transaction orchestration, blockchain integrations, and event-driven workflows. Implement secure, scalable APIs, cryptographic key management, Kafka-based event systems, observability with OpenTelemetry, CI/CD pipelines, and produce tests, API specs, and operational runbooks.

The Java Developer leads software architecture development, integrates complex software components, conducts testing, and provides technical leadership. They also mentor others and ensure project standards are met.