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Location
Remote (United Kingdom)
Seniority
Senior
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 5, 2026. Fiserv scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Fiserv is an American payments and financial technology company founded in 1984 that supplies core banking systems, card processing and merchant acquiring to banks, credit unions and retailers. Its 2019 acquisition of First Data added one of the largest merchant acquiring businesses in the world along with the Clover point-of-sale platform, turning the company into a full-stack provider spanning the issuing and acquiring sides of a card transaction. Headquartered in Milwaukee and listed on the New York Stock Exchange, it processes payments for millions of merchant locations and thousands of financial institutions.

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 Software Developer

About your role:

At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Senior Software Developer, you will play a critical role in designing, developing, and maintaining high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs.

You will be a part of a team that is building the Merchants Onboarding & Client Implementations platforms.

What you'll do:

  • Design, develop and implement software applications to support 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.
  • Maintain and improve existing codebases and support peer review processes.
  • Mentor junior developers and provide technical guidance to enhance team capabilities.
  • Design and build event-driven applications using Kafka and Kafka Streams.
  • Develop microservices and enterprise applications using the Spring Framework.
  • Work with distributed databases to support scalable, resilient and high-performance systems.
  • Contribute to AI-driven development practices, including the use of AI-assisted engineering tools for coding, testing and productivity.
  • Build, deploy and manage containerized applications using Helm and Kubernetes.
  • Develop and support cloud-native applications and services in AWS.
  • Support CI/CD pipelines and DevOps practices across the software development lifecycle.

Experience you’ll need to have:

  • Design and build event-driven applications using Kafka and Kafka Streams.
  • Develop microservices and enterprise applications using the Spring Framework.
  • Work with distributed databases to support scalable, resilient and high-performance systems.
  • Contribute to AI-driven development practices, including the use of AI-assisted engineering tools for coding, testing and productivity.
  • Experience in Java software development, Kubernetes & AWS technologies, SQL databases, CI/CD pipelines & DevOps practices, Agile methodologies

Experience that would be great to have:

  • Experience in the financial services industry

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.

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