Expert Integration Engineer

Purpose:To design and govern complex enterprise integration solutions, ensuring secure, scalable, reliable, and efficient connectivity between applications, platforms, partners, and external services.Main Duties and Responsibilities:Act as senior technical authority for enterprise integration across the technology estate. Design complex integration architectures, APIs, interfaces, and messaging solutions. Define integration standards, patterns, protocols, and engineering practices. Lead technical implementation of critical system integrations with partners, schemes, and internal platforms. Design synchronous, asynchronous, event-driven, and API-based integration solutions. Build and govern integrations on the enterprise integration stack (IBM ACE/API Connect, MQ, Kafka). Own API lifecycle management, including versioning, gateway policies, and consumer onboarding. Ensure integrations meet security, performance, availability, and scalability requirements. Apply security controls for partner connectivity, including mTLS, certificate management, encryption, and secure key handling. Ensure integrations satisfy regulatory, audit, and change-governance requirements. Review integration designs and implementations for architectural compliance. Troubleshoot complex integration and production issues across system boundaries. Optimize integration performance, reliability, monitoring, error handling, and reconciliation. Identify integration risks, dependencies, and technical debt, and recommend improvements. Mentor integration engineers and contribute to enterprise integration architecture initiatives. RequirementsQUALIFICATIONS:Bachelor's Degree in Computer Science or a related field; Master's preferred. 5+ years in enterprise integration, including senior technical ownership. Deep expertise in IBM integration tooling (ACE, API Connect, MQ, DataPower) and event streaming (Kafka). Strong grasp of API design, security protocols (OAuth2, mTLS), and message-level security. Payments experience with ISO 8583, ISO 20022, or scheme integrations (Good to have) Professional Certificates.