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Fiserv

B2B payments and banking technology

Tech Lead, Software Development Engineering

Backend EngineeringPosted on Nov 11
Full-timeNo salary listed

About the Job

Requirements

  • Four to six 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 and event-driven architecture.
  • Working knowledge of SQL and relational databases such as PostgreSQL.
  • Experience with Liquibase or equivalent migration tooling.
  • Familiarity with Docker and Kubernetes or OpenShift basics.
  • Experience with automated testing, including JUnit and API testing tools.

Responsibilities

  • Develop and maintain backend services using Java, Spring Boot, or Quarkus.
  • Build asynchronous and event-driven services using Kafka.
  • Implement and consume REST or gRPC APIs for internal and external integrations.
  • Design 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, and contribute to code quality and CI/CD standards.
  • Participate in incident troubleshooting and continuous reliability improvement.

Desired Qualifications

  • Experience with the Quarkus framework.
  • Exposure to gRPC.
  • Domain exposure to banking, payments, or financial services.
  • Experience with Apache Camel.
  • Experience with BDD testing using Cucumber and Testcontainers.

About the Company

Fiserv

B2B payments and banking technology

Fiserv provides financial technology and services to banks, credit unions, merchants, and other financial firms, spanning payments, core banking, and digital networks. Its products work by licensing software, processing transactions, and delivering professional services that let clients manage accounts, merchant transactions, and digital payments through integrated systems. It stands apart as an end-to-end supplier that combines core banking, payments, merchant acquiring, and networks under one roof, enabling cross-sell opportunities and growth through acquisitions. Its goal is to help financial institutions and merchants run large-scale payments and banking operations more efficiently with a comprehensive, integrated technology stack.

Company size
10,001+
Company stage
IPO
Headquarters
Milwaukee, WI
Founded
1984

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