Senior Software Engineer

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Senior Software Engineer About your role: At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Senior Software Engineer you will play a critical role in designing, developing, and maintaining high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs. You will design, build, and support highly scalable distributed applications and event-driven systems. You will ideally have strong hands-on experience with Java, Spring Boot, AWS, Apache Kafka/Amazon MSK, MySQL, microservices, APIs, and system design. This role requires someone who can understand complex business requirements, translate them into scalable technical designs, and take ownership of solutions from design through production.

Design, develop, and maintain highly 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/consumers, and service-to-service integrations. Design robust REST APIs and integration services for enterprise applications. Participate in system design and architecture discussions, including scalability, availability, resiliency, fault tolerance, and performance. Develop and support cloud-native solutions using AWS services. Design and optimize data access using MySQL, including queries, indexes, transactions, and overall database performance. Troubleshoot complex issues across applications, APIs, databases, messaging platforms, and distributed systems. Implement appropriate error handling, retry mechanisms, monitoring, logging, and operational resiliency. Conduct code reviews and promote strong engineering practices around code quality, testing, security, and maintainability. Collaborate with product, architecture, QA, DevOps, and other engineering teams throughout the software development lifecycle. Provide technical guidance and mentorship to other engineers. Take ownership of applications and services from design and development through deployment and production support.   Experience you'll need to have: 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. Solid understanding of concurrency, asynchronous processing, caching, messaging, and distributed application patterns. Experience troubleshooting and supporting applications in production environments. Strong 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