Senior Platform / Full-Stack Engineer - ReactLocation: Dublin (2–3 days onsite)Contract Rate: €550 per dayMy client, within Financial Services, are looking forReact Developerfor an initial 6 Months Contract.The role is to join a highly technical engineering team working on internal automation and infrastructure tooling. This is a hands-on contract role where you will have a direct impact on how engineering teams build, deploy, and manage infrastructure at scale. The RoleYou will play a key role in designing, building, and enhancing abrowser-based internal automation platformused by engineers across the organisation. Working within a fully internal infrastructure environment, you will collaborate closely with platform, infrastructure, and engineering stakeholders to evolve tooling that supports Infrastructure as Code (IaaC) and platform engineering best practices. Key ResponsibilitiesDesign, build, and enhance a modern browser-based internal automation tool for engineering teamsDevelop and maintain platform engineering solutions that support Infrastructure as Code (IaaC)Work within a fully internal, client-owned infrastructure environmentCollaborate closely with engineers and stakeholders to understand requirements and translate them into scalable technical solutionsContribute to the continuous improvement of internal tooling, performance, and developer experienceActively participate in technical discussions, challenge assumptions where appropriate, and take ownership of assigned tasks Required Skills & ExperienceStrong hands-on experience with React (v19) and for modern web application developmentBackend and data experience using PostgreSQLSolid software engineering fundamentals with a strong understanding of infrastructure and IaaC conceptsExperience in platform engineering or developer roles supporting infrastructure systemsExcellent communication skills with the confidence to engage, challenge, and speak up in cross-functional engineering environments