Top Senior Java Developer Jobs in Cincinnati, OH

Designs, develops, tests, and supports Java/Java EE applications across the full SDLC. Creates user interfaces, selects design methodologies and toolsets, writes code, troubleshoots multi-environment issues, and produces documentation and support tools. Works with relational databases, ORM, Spring and web frameworks and integrates logging/monitoring solutions.

Design and document requirements; develop Java/J2EE microservices using Spring/Spring Boot; deploy on Tomcat/WebSphere and Linux; implement REST/JSON APIs; use CI/CD and test tools (Jenkins, Maven, Ant, JMeter, SOAP UI, Git); perform configuration, validation, and deployment; capture and map business processes; work in a consulting environment requiring travel.

Design and document requirements, develop and deploy Java/J2EE microservices using Spring/Spring Boot, configure app servers (Tomcat/WebSphere) on Linux, implement REST/JSON APIs, use build and CI tools (Ant/Maven, Jenkins), perform testing and validation (JMeter, SOAP UI), capture business requirements, and coordinate development and deployment activities.

Design, document, and develop Java/J2EE applications and microservices using Spring/Spring Boot. Implement RESTful services, integrate and deploy on Tomcat/WebSphere and PAAS/IAAS, use CI/CD and test tools (Jenkins, JMeter, SoapUI), capture requirements, map business processes, and support consulting engagements with regular travel.

Design, architect and troubleshoot high-performing J2EE/Spring applications on WebSphere. Identify root causes of performance issues, blueprint API/microservice integrations, validate performance test plans, and ensure systems meet NFRs. Work in scrum teams and support consulting engagements that may require travel.

Develop and support Java/J2EE web applications (JSP/Servlet/Spring/Struts), implement payment receivables features, work full‑stack from UI to DB, collaborate with product owner in an agile team, and troubleshoot, test and enhance complex payment/workflow reconciliation processes.

Develop and maintain Java-based web applications using Spring (Core and MVC), build RESTful JSON services, implement front-end with HTML/CSS and JavaScript (OO), and leverage JS frameworks like jQuery. Collaborate with the client and participate in on-site interviews.

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.

Lead backend development and support internal fraud and financial systems. Design, develop, test, deploy, and maintain Java-based services (Java 21, Spring Boot) on Windows/Linux, implement REST/SOAP APIs, use ORM (JPA/Hibernate) and relational databases, troubleshoot production issues, create documentation, and collaborate within an Agile team.

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 Lead Java Developer will mentor team members, handle programming in Java and Spring, manage technical specifications, and conduct code reviews.

Seeking a Java Developer with 7+ years of experience, proficient in Java, Spring, PL/SQL, and Maven. Responsibilities include coding, database queries, and collaborating in agile environments.

Seeking an experienced Java Developer with 5+ years in large coding environments, focusing on Micro Services and Restful API integration in an Agile setting.

Design and develop Java-based solutions for the Guidewire ClaimCenter platform, collaborating with teams and mentoring junior developers while ensuring adherence to coding standards.

Integrate backend services into microservices. Develop and consume web services using Java 6, Spring and JAX-WS, write SQL and stored procedures against Oracle, and build with Maven. Strong technical and communication skills required; local in-person interviews.

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 and develop backend systems for a trading platform, implement low-latency components, collaborate with teams, and maintain automated test suites.

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.