24 hours ago
Dublin, IrelandSenior
Responsibilities
- Design, build, and ship high-quality microservices and event-driven capabilities for modern payment experiences.
- Partner with architecture, product, data science, and AI platform teams to incorporate machine learning and AI-assisted workflows.
- Lead legacy-system decomposition and modernization using domain-driven design, strangler patterns, and AI-assisted refactoring.
- Instrument and document systems with telemetry, feature flags, and guardrails so AI copilots and autonomous runbooks can operate safely.
- Drive design reviews, automated testing, chaos and resilience practices, and codified 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 workflows, responsible-use guidelines, 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, and 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 platform and cloud-native, 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, with the ability to influence cross-functional partners and navigate enterprise governance.
Tech Stack
Categories
About Fiserv
Fiserv builds payments and financial technology for banks, credit unions, merchants, and billers, including merchant acquiring, card issuing, core banking, and digital banking platforms. It earns revenue through transaction processing, software licensing, and managed services across POS (Clover), bill pay, ACH and card networks, and risk/compliance. The public company is headquartered in Milwaukee, trades on NASDAQ/BMV, acquired First Data in 2019, and serves clients in more than 100 countries.