Java Developer

About the role

We are seeking a Software Engineer to join our engineering team at Fiserv. You’ll collaborate with product managers, clients at leading financial institutions, and cross-functional engineering teams to design and deliver resilient, high-volume solutions that leverage modern APIs, microservices, third-party integrations and cloud infrastructure. Your work will help shape solution architecture and drive reliable, performant production systems.

Responsibilities

• Define and implement solution architecture for high-volume, resilient systems.
• Design, develop, debug and test object-oriented Java/J2EE code and RESTful APIs (JSON over HTTPS).
• Build cloud-native services following 12-Factor principles and work with messaging platforms and integrations (Kafka, MQ, ESB).
• Collaborate in Agile/Scrum delivery model with product managers, clients and engineering teams.
• Contribute to CI/CD and DevSecOps practices to enable repeatable, secure deployments.
• Perform database design, performance tuning and optimization across relational and non-relational stores.
• Apply design patterns and algorithmic approaches to improve reliability, maintainability, readability and performance.
• Troubleshoot and operate within complex IT environments, including networking, security and performance considerations.

Requirements

• 5+ years recent experience as a member of engineering teams delivering resilient, high-volume solutions built in Java/J2EE.
• 3+ years hands-on experience building RESTful APIs (JSON over HTTPS) with recent hands-on experience with Java and Spring Frameworks (Spring Boot).
• + years hands-on experience designing, writing, debugging and testing object-oriented code.
• Experience developing 12-Factor cloud-native services messaging architectures (Kafka, MQ, ESB).
• Experience with both relational and non-relational database technologies (SQL and NoSQL).
• Advanced understanding of design patterns, software algorithms and coding techniques that improve testability and maintainability.
• High proficiency with modern CI/CD and DevSecOps practices.

Experience That Would Be Great To Have

• Cloud migration and platforms experience (Azure, PCF, OpenShift, AWS).
• Experience with Splunk.
• Experience with file transfer technologies (NDM / Connect: Direct / IBM FileGateway).