Integration Architect

Job Description: Integration ArchitectJob Location: London, UK/Hybrid - 2-3 days office MandatoryJob Type: 1 year FTC / FTE / Contract Inside/OutsideJob Description:Client Note: Hands-on Integration Architect with Banking Domain Experience, event driven Architecture, either Hands-on KAFKA or NATSDrive use of AI tools to improve development efficiencyHands-on Integration Architect for Project Compass, driving real-time Ledger (RTL), Payments, and FX systems integration within a large banking platform.Deep integration expertise + cloud-native mindsetStrong communicator and technical leaderFamiliar with AI-assisted development toolsNATS experience is required (Kafka/Pulsar accepted)Key Responsibilities:Define and own target-state integration architecture aligned with enterprise standardsLead end-to-end integration delivery across multiple systems and teamsDesign event-driven, API-first, cloud-native solutions (NATS, REST, async messaging)Create architecture artefacts (blueprints, APIs, ADRs)Act as integration authority across platforms and stakeholdersMentor teams on integration patterns, API governance, and best practicesDrive use of AI tools to improve development efficiencyTech StackIntegration: Event-driven architecture, NATS (or Kafka/Pulsar), messaging patternsBackend: Java, Spring Boot, microservices, REST/gRPCCloud: AWS (EKS/ECS, SQS/SNS, API Gateway, Terraform)API: OpenAPI/AsyncAPI, versioning, governanceFrontend: React/TypeScript (working knowledge)Domain Expertise (any of these)Real-Time Ledger (accounting, event sourcing)Payments (SWIFT, ISO 20022, settlement)FX (trade lifecycle, rates, positions)Risk/Limit ManagementClient onboarding (KYC, account setup)Experience Required15+ years in tech, 5+ years in integration architectureProven delivery in large-scale financial/fintech systemsStrong hands-on + stakeholder management capabilityExperience leading multi-team integrations

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