IT & Software

Integration Architect

Avance Consulting

London · England · United Kingdom

Hands-on Integration Architect with Banking Domain Experience, Event-Driven Architecture, and hands-on experience with either Kafka or NATS.

Drive the use of AI tools to improve development efficiency.

Hands-on Integration Architect for Project Compass, driving integration across Real-Time Ledger (RTL), Payments, and FX systems within a large banking platform.

Deep integration expertise with a 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 the 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 using NATS, REST, and asynchronous messaging.
  • Create architecture artefacts, including blueprints, APIs, and Architecture Decision Records (ADRs).
  • Act as the integration authority across platforms and stakeholders.
  • Mentor teams on integration patterns, API governance, and best practices.
  • Drive the use of AI tools to improve development efficiency.

Integration:

Event-driven architecture, NATS (or Kafka/Pulsar), messaging patterns.

Java, Spring Boot, Microservices, REST/gRPC.

Cloud:

AWS (EKS/ECS, SQS/SNS, API Gateway, Terraform).

Frontend:

React/TypeScript (working knowledge).

Domain Expertise

Experience in any of the following areas:

  • Payments: SWIFT, ISO 20022, settlement
  • Client Onboarding: KYC, account setup

Experience Required:

  • 15+ years of experience in technology, with 5+ years of experience in Integration Architecture.
  • Proven experience delivering large-scale financial/fintech systems.
  • Strong hands-on technical capability combined with excellent stakeholder management skills.
  • Experience leading multi-team integration initiatives.
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Reference: WJ-766_23819005 · Posted 05 Nov 2026

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