Senior Software Engineer – IBM ODM / Rules EngineeringContract: 6 & 12 months (initial)Location: Dublin, Ireland | Hybrid (3 months onsite training, then flexible/remote)Rate: €550 - 700 /day DOEA leading global payments technology organization is seeking a senior software engineer to join a specialist Business Rules Engineering team building high-scale fraud decisioning and transaction intelligence systems. This role focuses on designing and implementing IBM ODM‑based rule solutions that power real‑time fraud detection, scoring, and transactional decisioning across a global payments ecosystem.This position offers the opportunity to work on complex enterprise rule engines, contributing directly to fraud prevention, risk management, and AI‑enhanced decisioning platforms used at global scale.Responsibilities Design, develop, and maintain IBM ODM rule‑based systems supporting fraud detection and transaction decisioning. Build and enhance business rules, decision flows, and orchestration logic, ensuring systems are scalable, high‑performing, and aligned with enterprise architecture standards. Work across backend development, API integration, and CI/CD pipelines to deliver robust rule‑engine deployments in production environments. Collaborate with engineering and architecture teams to ensure seamless integration of rule engines with microservices, databases, and external systems. Contribute to performance tuning, automation, and continuous improvement of rule execution platforms within a highly regulated payments environment.About You Senior software engineer with strong experience in IBM ODM or similar business rules engines, and solid backend development skills in Java, Python, or C#. Hands‑on experience with rules engineering, SQL/Oracle databases, and enterprise system integration. Strong experience working in CI/CD environments, API development, and cloud‑native or distributed systems. Analytical, detail‑oriented, comfortable working in high‑performance, mission‑critical environments such as financial services or payments. Experience in fraud, risk, or decisioning systems is highly advantageous.If you are a senior software engineer with strong IBM‑ODM and rules engineering experience and are looking to work on a global‑scale payments platform, apply now for immediate consideration.
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