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 TitleTech Lead, Software Development EngineeringRole OverviewWe are looking for a Mid-Level Backend Engineer to build and maintain core backend services for a modern banking platform. You will work on microservices, API integrations, event-driven processing, and production-grade engineering practices in a cloud-native environment.Key ResponsibilitiesDevelop and maintain backend services using Java/SpringBoot/Quarkus.Build asynchronous/event-driven services using Kafka.Implement and consume REST/gRPC APIs for internal and external integrations.Design robust processing flows with retries, error handling, and observability.Work with PostgreSQL-compatible databases (including distributed SQL setups) and schema migrations.Write unit, integration, and API tests; contribute to code quality and CI/CD standards.Participate in incident troubleshooting and continuous reliability improvement.Must-Have Skills4-10 years of backend engineering experience with strong Java fundamentals.Hands-on experience with Spring Boot for microservice development.Experience with microservices and REST API development.Practical knowledge of Kafka/event-driven architecture.Working knowledge of SQL and relational databases (PostgreSQL or similar).Experience with Liquibase (or equivalent migration tooling).Familiarity with Docker and Kubernetes/OpenShift basics.Experience with automated testing (JUnit and API testing tools).Nice-to-HaveQuarkus framework experience.gRPC exposure.Domain exposure to banking/payments/financial services.Apache Camel experience.BDD testing (Cucumber), Testcontainers.Thank you for considering employment with Fiserv. Please:Apply using your legal nameComplete the step-by-step profile and attach your resume (either is acceptable, both are preferable).Our commitment to Diversity and Inclusion:Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. Note to agencies:Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.Warning about fake job posts:Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.