Description
Integration Architect – London, UK, 1 year FTC / FTE / Contract Inside/Outside Hybrid - 2-3 days office Mandatory Client Note: Hands-on Integration Architect with Banking Domain Experience, event driven Architecture, either Hands-on KAFKA or NATS Drive use of AI tools to improve development efficiency Hands-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 mindset Strong communicator and technical leader Familiar with AI-assisted development tools NATS experience is required (Kafka/Pulsar accepted)
Key Responsibilities
- Define and own target-state integration architecture aligned with enterprise standards
- Lead end-to-end integration delivery across multiple systems and teams
- Design event-driven, API-first, cloud-native solutions (NATS, REST, async messaging)
- Create architecture artefacts (blueprints, APIs, ADRs)
- Act as integration authority across platforms and stakeholders
- Mentor teams on integration patterns, API governance, and best practices
- Drive use of AI tools to improve development efficiency
Tech Stack Integration
Event-driven architecture, NATS (or Kafka/Pulsar), messaging patterns
Backend: Java, Spring Boot, microservices, REST/gRPC
Cloud: AWS (EKS/ECS, SQS/SNS, API Gateway, Terraform)
API: OpenAPI/AsyncAPI, versioning, governance
Frontend: 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 Management
- Client onboarding (KYC, account setup)
Experience Required
15+ years in tech, 5+ years in integration architecture
Proven delivery in large-scale financial/fintech systems
Strong hands-on + stakeholder management capability
Experience leading multi-team integrations