Technical Lead – Java, Cloud & Event-Driven SystemsLocation: Nenagh, Co. Tipperary – 5 days per week)Contract: 12 MonthsRate: €650 per day OR €125,000 salaryWe are partnering with a global payments technology leader undergoing a major modernisation and AI-first transformation. This is a senior technical leadership role where you will drive a critical platform transformation — re-architecting legacy systems into cloud-native, microservices-based, event-driven platforms used at massive scale.This is more than a coding role. You will lead change, shape engineering culture, embed modern tooling and AI-enabled practices, and set the technical direction for next-generation payment processing solutions.What You Will DoOwn a major modernisation workstream, driving transformation toward microservices and event-driven architectures.Architect, design, and deliver scalable, high-performance, cloud-native solutions using Java and modern engineering practices.Collaborate closely with product, architecture, operations, security, and compliance teams to translate business goals into robust technical designs.Leverage and evolve a modern technology stack including Java, AWS, Kafka, and Kubernetes.Champion engineering excellence, setting best practices around code quality, testing strategies, CI/CD pipelines, and DevOps culture.Mentor and uplift engineers, building high-performing, modern engineering teams.Act as a technical change agent, evolving systems, tooling, and ways of working.Balance long-term modernisation strategy with short-term delivery priorities in a fast-paced enterprise environment.What You Will NeedProven experience leading large-scale software engineering initiatives in complex, distributed systems.Expert-level Java engineering experience with modern frameworks and tooling.Strong hands-on experience designing and building cloud-native systems on AWS.Deep understanding of event-driven architectures and streaming platforms such as Kafka.Solid experience with Kubernetes and container orchestration.Strong knowledge of CI/CD pipelines, DevOps practices, and modern SDLC approaches.Excellent communication skills with the ability to influence architecture, engineering, and product stakeholders.Nice to HaveExperience within financial services, payments, or other highly regulated industries.Background in large-scale legacy modernisation programmes.Track record of introducing modern tooling, frameworks, or delivery practices that improved engineering outcomes.