Location: Cincinnati, OH
Salary: $60.00 USD Hourly - $65.00 USD Hourly
Description: Our client is currently seeking a Advanced Java Software Engineer Level 3
Key Responsibilities- Design, develop, and maintain backend services using Java and Spring Boot.
- Support the integration of the new POS platform with the Omnichannel Payment Platform (OPP).
- Develop and support integrations with enterprise API Gateway platforms and downstream services.
- Troubleshoot and stabilize POS-to-backend and payment processing integrations.
- Perform hands-on testing and troubleshooting using physical POS terminals and test hardware in the onsite POS lab.
- Develop secure, scalable, and highly available backend services.
- Work within PCI-scoped environments, adhering to applicable security and compliance standards.
- Collaborate with POS, payment, architecture, QA, DevOps, and product teams to resolve integration issues and accelerate delivery.
- Participate in technical design, code reviews, troubleshooting, and architecture discussions.
- Develop automated unit and integration tests to ensure reliable and maintainable solutions.
- Investigate complex integration and production issues and drive them through resolution.
- Support event-driven architectures and messaging technologies as required.
- Help establish development and integration practices for the newly formed OPP/POS team.
- Senior-level experience developing enterprise Java applications.
- Strong hands-on experience with Java, Spring, and Spring Boot.
- Experience developing RESTful APIs and backend microservices.
- Experience with API Gateway integration and enterprise system integrations.
- Hands-on Point-of-Sale (POS) experience, including working directly with POS terminals or related test environments.
- Experience working in PCI-scoped, payment, financial, or other security-sensitive environments.
- Ability to work effectively onsite with cross-functional technical teams.
Technology Stack Required:Java, Spring, Spring Boot, REST APIs, API Gateway, Microservices, POS Integration, PCI/Secure Development Practices
Preferred:Kafka, Event-Driven Architecture, Payment Systems, CI/CD, Cloud, Containers
***NO SQL
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