Fiserv

Senior Software Engineer - Commerce Hub

Fiserv
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3 days ago
Dublin, IrelandSenior
H1B Sponsor

Responsibilities

  • Design, build, and ship microservices and event-driven payment capabilities.
  • Partner with architecture, product, data science, and AI platform teams to incorporate machine learning and AI-assisted workflows.
  • Modernize legacy components using domain-driven design, strangler patterns, and AI-accelerated refactoring.
  • Instrument and document systems with telemetry, feature flags, guardrails, and support for AI copilots and autonomous runbooks.
  • Drive design reviews, automated testing, chaos and resilience practices, and reliability standards.
  • Improve developer experience through automated pipelines, infrastructure-as-code, policy-as-code, and AI-enabled tooling.
  • Coach and mentor engineers on AI-first development, responsible AI use, and experimentation discipline.
  • Make pragmatic engineering trade-offs, communicate risks, and balance transformation goals with delivery commitments.

Requirements

  • Proven experience delivering software in complex, distributed, highly regulated environments.
  • Expert-level Java skills and fluency with modern frameworks, testing libraries, and build tooling.
  • Hands-on experience with AWS or a comparable cloud and with containerized services on Kubernetes.
  • Working knowledge of event-driven architectures and streaming platforms such as Kafka, including modeling, testing, and operating event flows at scale.
  • Experience with CI/CD, infrastructure automation, observability stacks, and Site Reliability/DevOps practices.
  • Demonstrated use of AI-assisted engineering tools such as GitHub Copilot or internal copilots, or experience building ML/LLM-enabled services.
  • Strong collaboration and communication skills, including the ability to influence cross-functional partners and navigate enterprise governance.
Fiserv

About Fiserv

10,000+ employees

Fiserv, Inc. (NASDAQ: FISV) is a global technology leader committed to delivering innovative and transformative financial services experiences for clients in more than 100 countries.

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