Integration Architect

Company: W3Global
Apply for the Integration Architect
Location: London
Job Description:

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

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Posted: June 11th, 2026