Top Senior Java Developer Jobs in Cleveland, OH

The role involves application development with expert-level skills in Java and J2EE, along with SQL query writing and table design.

The Java Developer will design software architectures, implement Java-based middle-tier solutions, and evaluate complex requirements through unit testing and performance analysis.

Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

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, 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.

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, develop, test, and deploy Java/J2EE applications and integrations. Lead implementation planning, gather and specify requirements, mentor junior developers, resolve defects, support production (on-call), and ensure database and SOX-compliant process documentation.

The Senior Full Stack Java Developer will design and maintain enterprise applications using Java and modern front-end technologies while collaborating in Agile teams and mentoring junior developers.

The role involves designing and developing high-volume applications using Backbase while ensuring compliance with specifications throughout the software development lifecycle.

Lead migration of legacy COBOL systems to Java-based microservices and develop scalable, secure full-stack solutions on Azure. Build RESTful APIs, optimize performance, ensure DoD cybersecurity compliance, collaborate across teams, document architectures, and participate in Agile ceremonies.

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, 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.

Design, develop, and maintain scalable Java backend services and RESTful APIs. Collaborate with frontend, product, and stakeholders; write clean, tested code; troubleshoot and resolve issues; participate in code reviews; and improve systems, particularly for large-scale distributed environments.

Design, develop, and maintain high-performance Java microservices using Spring Boot. Implement threading/concurrency, fault tolerance (Hystrix/circuit breakers), observability (SLI/SLO), event-driven solutions with Kafka, and deploy on Kubernetes/AWS. Mentor junior developers and collaborate with cross-functional teams.

Design and implement large-scale data applications using Java, Spark, and MapReduce within Cloudera/Hadoop ecosystems. Integrate Hive, Impala, YARN, and Kafka, perform data analysis, write tests (JUnit), use scripting, and manage global technology teams following industry best practices.

Develop and migrate legacy IBM DataPower MQ and SOAP integrations to cloud-native Spring Boot microservices. Build RESTful APIs, implement security (OAuth2/JWT), integrate Kafka and IBM MQ, write tests, optimize performance, and collaborate with architects, DevOps, and QA during deployment and troubleshooting.

Design, develop, and maintain scalable Java/Spring Boot backends and Angular frontends. Build microservices, REST APIs, event-driven solutions with Kafka, implement fault tolerance (Hystrix/circuit breakers), observability (SLI/SLO), and deploy on Kubernetes/AWS. Collaborate cross-functionally, mentor junior developers, and ensure system reliability and performance.

Design, develop, and maintain full-stack web applications using Java/Spring Boot backends and Angular frontends. Build RESTful APIs, write clean code, collaborate with cross-functional teams, troubleshoot issues, and participate across the SDLC.