Top Java Developer Jobs in Minneapolis, MN

Senior Java Developer to design and implement Spring/Java/Groovy applications using Cassandra and messaging (Rabbit/IBM/JMS/AMQP). Build and consume REST services, apply TDD and strong unit testing (JUnit/Spock), refactor and design large-scale distributed systems, participate in Agile/XP planning, create user stories, and work with Maven and Unix/Linux environments.

Develop and maintain HBase-based data solutions: create HBase tables, load data via MapReduce, write R scripts and Java programs for read/write/delete operations, and author MR jobs as needed. Strong communication; contract role (3–6 months).

Design, build, enhance, and support Best Buys platform applications. Work in an Agile, TDD environment, participate in pair programming, and apply DevOps practices to monitor, optimize, and support production systems for scalable applications.

Design and build scalable full-stack Java applications, develop complex features, lead/mentor teams, perform code reviews, follow Agile practices, and tune application and database performance. Use Oracle, GitHub, observability tools, and REST/SOAP services with AngularJS front-end and strong SQL skills.

Develop and maintain J2EE-based web applications using Struts, Spring, Hibernate, and SOAP/REST web services. Work with JBoss application server, follow SDLC (Waterfall & Agile/Scrum), and apply change management. Telecom domain experience is a plus.

Develop J2EE web applications using Struts, Spring, Hibernate and SOAP/REST web services on JBoss. Follow SDLC (Waterfall & Agile/Scrum), handle change management, and collaborate in telecom-related projects when applicable.

Develop and deliver Java/J2EE applications and web services using Spring and Hibernate. Build RESTful/microservices, work with Oracle/DB2, use Git/Stash, write and run TestNG/JUnit tests, follow Agile/Scrum, and contribute to design/architecture. Communicate with stakeholders and meet quality, schedule, and budget commitments. Akka experience is a plus.

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.

Senior Java Developer responsible for designing and building Java-based features, automating processes, developing reusable components, triaging production issues, collaborating on architecture and solutioning, and delivering quick proofs-of-concept within a Scrum environment.

Design, develop, test, deploy, and maintain full-stack Java applications. Collaborate on architecture and Agile teams, conduct code/design reviews, estimate work, and drive quality, security, scalability, and reusable patterns.

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.

The Java Developer will design and implement web applications using Java 8, Spring, and various database technologies, ensuring adherence to best practices and project management processes.

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.

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.

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.

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 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.