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Fiserv

Senior Java Developer

Fiserv
Ireland · Full-time · Not Applicable

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 Java Developer

A successful Senior Server Engineer at Fiserv is a proactive leader who drives innovation in server infrastructure, ensuring robust, scalable, and highly efficient systems. You will be a Partner in Possibility, working collaboratively with cross-functional teams, contributing to the company's mission of transforming financial services for our clients. Your work will directly impact the stability and performance of our tech ecosystem, embodying the Fiserv values of tenacity, foresight, and excellence.

What You Will Do

  • Lead the design, development, and maintenance of server infrastructure and applications
  • Develop and maintain server-side logic, ensuring high performance and responsiveness
  • Implement security measures and oversee compliance to protect data integrity
  • Collaborate with front-end developers on integrating server-side logic with user-facing elements
  • Optimize server performance and troubleshoot server-related issues
  • Participate in code reviews, mentoring junior engineers, and providing technical guidance
  • Manage deployment and production environments, including troubleshooting and system monitoring
  • Collaborate with the DevOps team to streamline CI/CD processes

What You Will Need To Have

  • Proven experience with server infrastructure design, implementation, and management
  • Strong understanding of networking protocols and server security practices
  • Proficiency in server-side programming languages and frameworks (e.g., Node.js, Java, or Python)
  • Hands-on experience with cloud platforms (e.g., AWS, Google Cloud Platform)
  • Strong problem-solving skills and the ability to thrive in a collaborative environment

What Would Be Great To Have

  • Experience with containerization (e.g., Docker, Kubernetes)
  • Familiarity with database management systems (e.g., SQL, NoSQL)
  • Knowledge of CI/CD tools (e.g., Jenkins, Git)
  • Prior experience in a FinTech environment
  • Strong communication and leadership skills

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

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.

Key Skills

Ranked by relevance

server cloud java cicd containerization jenkins docker devops sql aws
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Posted
Jun 18, 2025
Type
Full-time
Level
Not Applicable
Location
Nenagh
Company
Fiserv

Industries

Financial Services IT Services IT Consulting

Categories

Information Technology Engineering

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