Senior Software Engineer

Fiserv • Berkeley Heights, NJ

1d

About The Position

At Fiserv, the Senior Software Engineer designs, develops, and maintains high-quality software applications that support client needs and business goals. The role works with cross-functional teams to build and support highly scalable distributed applications and event-driven systems, translating complex business requirements into scalable technical designs and taking ownership of solutions from design through production.

The position focuses on Java, Spring Boot, AWS, Apache Kafka or Amazon MSK, MySQL, microservices, APIs, and system design. It includes development of cloud-native services, production support, engineering quality practices, and technical guidance for other engineers. This is a full-time, direct-hire position. Candidates must currently possess valid and unrestricted U.S. work authorization; candidates requiring sponsorship now or in the future will not be considered.

Requirements

• At least 8 years of professional software development experience.
• Strong hands-on development experience with Java.
• Strong experience with Spring Boot and microservices architecture.
• Strong understanding of distributed systems and event-driven architecture.
• Hands-on experience with Apache Kafka and/or Amazon MSK.
• Strong experience with AWS and cloud-native application development.
• Strong experience with MySQL or similar relational databases.
• Strong understanding of system design, including scalability, high availability, resiliency, performance, and fault tolerance.
• Experience designing and integrating RESTful APIs and backend services.
• Understanding of concurrency, asynchronous processing, caching, messaging, and distributed application patterns.
• Experience troubleshooting and supporting applications in production environments.
• Understanding of software engineering best practices, including automated testing, code reviews, CI/CD, observability, and secure development.
• Strong communication, analytical, and problem-solving skills.
• Bachelor's degree in computer science, Information Technology, Information Systems, or a related field (or foreign equivalent degree), or equivalent work experience.
• Must currently possess valid and unrestricted U.S. work authorization; candidates requiring sponsorship now or in the future are not considered.

Nice To Haves

• Experience in the financial services industry.
• Experience working with CRM platforms or CRM-integrated applications.

Responsibilities

• Design, develop, and maintain scalable Java and Spring Boot applications and microservices.
• Design and implement distributed and event-driven architectures using Apache Kafka and Amazon MSK.
• Build reliable asynchronous workflows, event producers and consumers, and service-to-service integrations.
• Design REST APIs and integration services for enterprise applications.
• Participate in system design and architecture discussions addressing scalability, availability, resiliency, fault tolerance, and performance.
• Develop and support cloud-native solutions using AWS services.
• Design and optimize MySQL data access, including queries, indexes, transactions, and database performance.
• Troubleshoot complex issues across applications, APIs, databases, messaging platforms, and distributed systems.
• Implement error handling, retry mechanisms, monitoring, logging, and operational resiliency.
• Conduct code reviews and promote engineering practices for code quality, testing, security, and maintainability.
• Collaborate with product, architecture, QA, DevOps, and engineering teams throughout the software development lifecycle.
• Provide technical guidance and mentorship to other engineers.
• Own applications and services from design and development through deployment and production support.

Benefits

• Eligible associates may receive an annual incentive opportunity, potentially delivered as a mix of cash bonus and equity awards at the Company's sole discretion.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior