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Senior Development Engineer - Commerce Hub

Fiserv
Irelandfull_timeVerifiedPosted 5 Jan 2026

About the role

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 Development Engineer - Commerce Hub

Role Overview

Lead application developers will, in collaboration with a multidisciplinary delivery team, lead the design, development and operationalizing of software applications in a build it own it environment.

Primary Objectives

  • Lead a technical engineering team and perform coding.
  • Analysis of complex processes and applications.
  • Work closely with system and enterprise architects in order to develop and design the best possible approach; support the development and implementation for new and existing services in the electronic payments area.
  • Implementation and documentation of software architecture and E2E solutions.
  • Contribute considerably to implementing technical solutions within a collaborative, high trust, solutions delivery team that will contain other developers, architects, product owners, test and DevOps engineers.
  • Work within a defined agile delivery process to deliver high quality solutions
  • Responsible for the execution of complex development tasks, unit tests, debugging and for supporting validation activities including component tests, regression tests, system integration tests.
  • Creation of monitoring and logging solutions to allow for state-of-the-art monitoring of our high performance, enterprise production environment.
  • Contribute to estimation efforts at a T-shirt sizing level using your expertise in the relevant areas.
  • Knowledge transfer, active support and educational development of internal and external team members.
  • Partner with developers, analysts, and tech leads across the enterprise, to identify business needs and appropriate technical solutions.
  • Support the developed solutions in production in a build it own it model.
  • Will perform additional job duties as required

Knowledge & Skills

  • Minimum 8 years’ large-scale enterprise level experience in designing and developing web and services-based applications.
  • Experience in full-stack development is required.
  • Bachelor’s degree in a relevant discipline such as computer science, business informatics, or mathematics. Comparable education or professional experience is also considered.
  • Good understanding of Software development lifecycle end-to-end.
  • Good knowledge of front-end technologies like JavaScript/ TypeScript, HTML, CSS, Bootstrap, NodeJS, and Angular/ React is an advantage.
  • In-depth experience with several back-end technologies such as Spring-Boot, Spring-Web, and REST.
  • Experience with JAVA 17, Maven/ Gradle.
  • Experience with micro-service architectures.
  • Good to have knowledge of Security-OWASP Top 10.
  • Experience with Encryption and Hashing mechanism is an advantage.
  • Exceptionally strong on code review and code quality.
  • Extensive knowledge of modern database technologies.
  • Experienced in runtime, build, and deployment technologies and state-of-the-art project tools: IntelliJ, Git/GitLab, Maven, CI/CD, JIRA, and Confluence.
  • High social skills, team spirit, and empathy.
  • Willingness to take ownership and ability to show strong personal commitment to the department and the team goals; must be comfortable with being considered a reliable and proactive influential team member who is not afraid to take on responsibility in the team.
  • Ability to communicate clearly to product owners and stakeholders as well as technical representatives.
  • Very strong and proven communication and coordination skills, open-minded and determined.
  • Very organized and highly competent in solving issues and finding solutions.
  • Responsible for planning, highlighting, and implementing possible improvements for existing and new applications.
  • Can do, Will do attitude.

Thank you for considering employment with Fiserv.  Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

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Company

Fiserv

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