Location : Dublin City Centre Hybrid: 2 days a week, ideally 3 Salary: DOE up to 100k This role is ideal for a Senior Backend / Systems Engineer who thrives on solving complex systems problems, building scalable Node.js and backend systems, and driving robust, high-performing AWS-based web solutions. This is not a DevOps role youll own backend systems and integration, not manage infrastructure day-to-day. My client creates AI-driven services using large language models (LLMs), blending in-house components (30%) with third-party AI APIs and platforms (70%). Youll work with Cursor integrated with Claude models, navigating a sophisticated AI ecosystem that brings technical depth and invites innovative problem-solving. Youll design, build, and own end-to-end web-based systems using your expertise in Node.js, APIs, and AWS, with a strong focus on integration, scalability, and long-term maintainability rather than only feature development or routine maintenance. Youll apply solid systems-des...