Senior Java Developer

Fiserv • Berkeley Heights, NJ

8h

About The Position

A successful Senior Java Developer at Fiserv designs, builds, and supports scalable enterprise applications that power critical business capabilities. They lead strong engineering practices across microservices, APIs, security, and performance to deliver reliable releases. They collaborate across Product, QA, DevOps, and frontend partners while mentoring teammates and driving technical decisions.

Requirements

• 6+ years of professional Java development experience (Java 8+).
• 4+ years of Spring framework experience (including Spring Boot).
• 3+ years of experience building and supporting RESTful APIs in production.
• 3+ years of experience developing microservices-based systems.

Nice To Haves

• 2+ years of cloud experience with 1+ platform (AWS, Azure, or GCP).
• 2+ years of experience with containers (Docker) and orchestration (Kubernetes).
• 2+ years of experience with messaging or streaming platforms (Kafka, RabbitMQ, or similar).

Responsibilities

• Design, develop, test, and maintain enterprise-grade Java applications, writing clean, maintainable, performant code aligned to best practices.
• Build and enhance RESTful APIs and backend services, including service-to-service integration patterns.
• Develop microservices architectures using Spring Boot/Spring Cloud and contribute to architectural discussions and technical decision-making.
• Troubleshoot production issues, perform root cause analysis, and ensure application security, scalability, reliability, and performance.
• Perform code reviews, document designs/standards, mentor team members, and contribute to CI/CD pipelines and automated testing practices.

Benefits

• annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed