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Java, Back-End Engineer

Fiserv

$82,000 - $141,600
Oct 27, 2025
Colorado Springs, CO, US
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Fiserv is looking to solve the problem of transforming financial services technology by designing, developing, and maintaining high-quality software for the Clover AppMarket, which powers a thriving ecosystem of third-party apps for merchants.

Requirements

  • 3+ years of professional experience with server-side programming in Java (Java 8 or later).
  • 2+ years of experience with MySQL and JDBC (experience with JPA/Hibernate is a plus).
  • 2+ years of hands-on experience utilizing cloud services (AWS, Azure, or GCP).
  • 2+ years of experience working with CI/CD pipelines and DevOps practices within an Agile environment.
  • Proven experience developing REST web services and using client tools such as Postman and cURL.
  • Proficiency with Git version control and Java test frameworks like JUnit or TestNG.
  • Prior experience in the financial services industry, specifically within Payments or Point-of-Sale (POS) systems.

Responsibilities

  • Design, development, and implementation of software applications to support Fiserv's business goals.
  • Collaborate with cross-functional teams to gather requirements and translate them into technical specifications.
  • Perform coding, testing, and debugging of applications to ensure optimal performance.
  • Write clean, efficient Java code—and test, debug, and optimize it to ensure top-tier performance.
  • Work across cloud platforms like AWS, Azure, or GCP to build and manage resilient services.
  • Build and refine CI/CD pipelines, helping us release faster and with confidence.
  • Maintain and improve existing codebases.

Other

  • Bachelor’s degree in Computer Science or a relevant field, and/or equivalent military experience.
  • You must currently possess valid and unrestricted U.S. work authorization to be considered for this role.
  • This role is on-site Monday through Friday.
  • This role requires use of a computer and audio equipment.
  • Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.