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.

As a Senior Software Engineer, you will design and develop software solutions, maintain and debug programs, and ensure alignment with customer needs.

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.

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.

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, 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.

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, 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.

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.

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.

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.

Build and maintain backend services and REST APIs using Java (11/17+) and .NET (ASP.NET Core). Implement business logic, data access, and integrations; write well-tested code with JUnit/xUnit/NUnit; contribute to CI/CD and DevOps; participate in design, code reviews, and Agile ceremonies.

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 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.

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.

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

Lead design and development of high-performance Core Java microservices. Optimize throughput, latency, and resiliency across distributed systems; mentor engineers; conduct code reviews; support production releases, diagnostics, and performance tuning; and drive architecture and engineering best practices.

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, build, and maintain efficient, reusable Java backend systems; translate business requirements into applications; optimize performance and stability; review and test code for quality and security; identify and fix bottlenecks and bugs; maintain code quality and system responsiveness.

Design and develop enterprise Java/J2EE web applications and APIs. Work on OOA/OOD, distributed and real-time systems, relational databases and messaging. Use Spring/Hibernate and rich UI frameworks, implement SOA/web services, apply design patterns, TDD/agile practices, and build/deploy automation tools to deliver robust production software.

Develop and maintain ATG/Java J2EE applications, implement REST/XML services, frontend work with JavaScript frameworks, use Struts/Spring/Hibernate, WebLogic and Oracle. Participate in full SDLC, collaborate across teams, troubleshoot complex issues. Familiarity with AWS, iOS/Swift, microservices and RabbitMQ expected.

Design, develop, test, deploy, and maintain enterprise Java applications for USPS. Build RESTful APIs with Spring, translate requirements into architecture, implement CI/CD/DevSecOps, integrate relational databases, troubleshoot complex issues, and collaborate with cross-functional Agile teams to deliver high-quality software solutions.

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.