Top Senior Java Developer Jobs in Phoenix, AZ

Seeking a Java/Cassandra developer with over 7 years of experience, skilled in problem solving, communication, and technical documentation.

The role involves leading software development teams, designing transactional applications, and leveraging Java technologies and cloud services.

The JAVA Senior Developer will lead and architect solutions for enterprise applications, support modernization projects, conduct business case analysis, troubleshoot issues, and guide initiatives for process efficiencies.

Designs, develops, and maintains software applications, acts as a technical leader, mentors team members, manages source code, and works on complex Java services.

The Staff Engineer designs, develops, tests, and maintains software applications, leading technical projects and mentoring junior members while collaborating with stakeholders at Early Warning.

Responsible for the development, testing, and deployment of complex solutions, collaborating with multiple teams and overseeing technical strategies and architecture. Lead engineering efforts, mentor engineers, and improve engineering standards.

Design and develop web components, drive innovation in digital channels, analyze and modify software, mentor teams, and ensure code quality.

Maintain and troubleshoot production Java web applications, ensure uptime, diagnose complex issues, deploy patches, write automated tests, and work across UI, backend, and DB layers using Java/Spring, Oracle, Tomcat, and DevOps tools.

The Staff Software Engineer will lead complex software development projects, building technical strategies and collaborating with cross-functional teams to deliver scalable systems, ensure quality, and improve engineering standards while supporting the company's risk management practices.

Develop and maintain software applications, utilizing Java and Spring Boot, while collaborating with teams to deliver complex features and ensuring code quality through Git and testing practices.

Lead backend architecture and implementation for Java Spring microservices, validate and own AI-assisted code, mentor engineers, collaborate with product to deliver features, and drive technical excellence and scalable, test-covered systems.

Design, develop, and maintain web-based UI and REST middleware for federal health IT systems. Participate in Agile/SAFe ceremonies, write design documents, implement features, resolve bugs, and support CI/CD pipelines while collaborating with product, QA, and stakeholders.

Develop, test, and maintain a complex distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements. Work with distributed workloads (Spark/Hadoop), SQL/Snowflake, AWS, shell scripting, and job scheduling/process automation. Support delivery under Agile/SAFe practices and ensure alignment with program standards.

Lead Software Engineer responsible for designing, developing, testing, and maintaining a distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements, implement cloud and big-data solutions (Spark/Hadoop), and ensure program standards and reliable delivery.

The Senior Java Engineer will design complex systems, optimize performance, maintain code quality, and ensure application reliability. Responsibilities include translating requirements into applications and troubleshooting issues.

Design, implement, test, and maintain full‑stack features and services for the Cayuse Research Platform. Drive architecture, prototypes, and technical debt reduction while practicing TDD, expanding automated QA, collaborating cross‑functionally, and ensuring high quality delivery in an Agile environment.

The Senior Software Engineer at Ensono will design, develop, and maintain enterprise Java applications, handle technical analyses, manage middleware configurations, and implement DevOps practices.

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

Lead backend Java development and architecture for enterprise applications. Design and deliver scalable, resilient microservices and APIs, mentor developers, lead technical decisions, support production incidents, and implement CI/CD and cloud-native solutions on AWS.

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.

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 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.

Design, develop, and maintain Java-based backend services and APIs for KeeperApp. Own backend components, optimize MySQL schemas/queries, ensure performance and reliability, apply secure coding practices, participate in code reviews, and collaborate with product and engineering teams to deliver features iteratively.

Design, build, and maintain low-latency, high-availability backend services and REST APIs. Troubleshoot production issues, improve performance, write technical specs, participate in on-call rotations, and collaborate on the bot runtime platform.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.