Senior Backend Software Engineer - Java

Job Description

This position is not eligible for visa sponsorship, now or in the future. Candidates must be a US Citizen or valid Green Card Holder. This position is hybrid in the following office locations:
Cincinnati, OH (3 days) or Denver, CO (2 days). Ready to take your career global? Make your mark at one of the biggest names in payments. We’re looking for a Senior Backend Engineer – Java to join our ever-evolving Launchpad team and help shape the future of global commerce. Launchpad is a Worldpay application designed to streamline merchant onboarding. It collects all necessary merchant details, enabling businesses to quickly start accepting credit card payments and settle transactions on the Worldpay platform.

Launchpad includes both a user‑friendly UI and robust API components to support seamless integration.

• Design, develop, and maintain RESTful APIs using Java, Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Validation, Spring Modulith, and related technologies, ensuring secure, scalable, and maintainable enterprise applications.
• Participate in the full software development lifecycle, including requirements analysis, solution design, development, testing, deployment, and production support.
• Collaborate with architects and engineering teams to define API standards, integration patterns, application architecture, and development best practices.
• Write clean, maintainable, and well-tested code using modern testing frameworks such as JUnit and Mockito, while actively participating in code reviews.
• Troubleshoot complex application issues and drive improvements in performance, scalability, reliability, and overall system health.
• Create and maintain technical documentation, contribute to architectural discussions, and communicate project status, risks, and deliverables to stakeholders.
• Demonstrate strong ownership by proactively identifying opportunities for improvement, driving technical solutions, mentoring team members, and delivering results in a collaborative Agile environment.

• Design, develop, and maintain RESTful APIs and event-driven applications using Java, Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Validation, Spring Modulith, Apache Kafka, and related technologies, ensuring secure, scalable, and maintainable enterprise solutions.
• Participate in the full software development lifecycle, including requirements analysis, solution design, development, testing, deployment, and production support.
• Collaborate with architects and engineering teams to define API standards, event-driven integration patterns, application architecture, and development best practices.
• Write clean, maintainable, and well-tested code using modern testing frameworks such as JUnit and Mockito, while actively participating in code reviews.
• Troubleshoot complex application issues and drive improvements in performance, scalability, reliability, and overall system health.
• Create and maintain technical documentation, contribute to architectural discussions, and communicate project status, risks, and deliverables to stakeholders.
• Demonstrate strong ownership by proactively identifying opportunities for improvement, driving technical solutions, mentoring team members, and delivering results in a collaborative Agile environment.

• Experience with Docker and Kubernetes.
• Experience with event-driven architectures and messaging platforms such as Kafka.
• Experience working with CI/CD pipelines.
• Exposure to cloud platforms, preferably AWS.

Our inclusive and global teams win together every day. We’re proud to have the best minds in the industry, who you can learn from as you grow your career. The people, the energy, the connections – it’s unmatched. Come and be part of an ever-evolving company and get dynamic opportunities that go beyond borders.

Global payers think like a client, act like an owner and win as one team. We’re curious and innovative – always finding better ways to deliver impact. We empower each other to make decisions, and it’s our passion that drives excellence in everything we set out to do.

World…