Senior Software Engineer

Senior Software Engineer12 Month Contract5 Days a week in office (Dublin)This is an exciting opportunity for a Senior Software Engineer to pair deep engineering expertise with AI-assisted delivery to build the next generation of event-driven, cloud-native payment services.Key Responsibilities:Design, build, and ship high-quality microservices and event-driven capabilities that power modern experiences.Partner with architecture, product, data science, and AI platform teams to embed machine learning and AI-assisted workflows in customer and operational journeys.Lead the decomposition and modernisation of legacy components, applying domain-driven design, strangler patterns, and AI-accelerated refactoring techniques.Curate, instrument, and document systems so AI copilots and autonomous runbooks can observe, learn, and act safely (telemetry, feature flags, guardrails).Improve developer experience with automated pipelines, infrastructure-as-code, policy-as-code, and AI-enabled tooling that shorten feedback loops.Coach and mentor engineers on AI-first ways of working: prompt literacy, pair-programming with copilots, responsible-use guidelines, and experimentation discipline.Key Experience:Proven experience delivering software in complex, distributed, highly regulated environments.Expert-level Java skills plus fluency with modern frameworks, testing libraries, and build tooling.Hands-on experience with AWS (or comparable cloud) and building cloud-native, containerised services on Kubernetes.Working knowledge of event-driven architectures and streaming platforms such as Kafka; able to model, test, and operate event flows at scale.Experience with CI/CD, infrastructure automation, observability stacks, and Site Reliability/DevOps practices.Demonstrated use of AI-assisted engineering tools (e.g., GitHub Copilot, internal copilots) or building ML/LLM-enabled services; comfort applying AI responsibly.Strong collaboration and communication skills with the ability to influence cross-functional partners and navigate enterprise governance.