Lead API Solution Architect - Financial Services / Banking

  • Adecco
  • 24/10/2025
Contractor Information Technology Telecommunications

Job Description

Lead API Solution Architect - Investment Banking - London (Hybrid)
My client, a leading investment bank, is seeking a Lead API Solution Architect for a 6-month contract (inside IR35). This senior role requires strong technical leadership, deep API expertise, and experience in regulated environments.

Key Responsibilities:

  • Define and lead enterprise API strategy and architecture
  • Drive API adoption and governance across teams
  • Ensure secure, scalable integration with legacy and cloud systems
  • Maintain compliance with financial regulations
  • Monitor and optimise API performance and developer experience

Experience Required:

  • Proven leadership in large-scale API programmes
  • Expertise in REST, OAuth2, OpenAPI, and API security
  • Familiarity with banking processes and Open Banking standards
  • Cloud (Azure/GCP), CI/CD, and integration tools (Kafka, IBM MQ)
  • Strong stakeholder management and strategic thinking

If the role is of interest please apply with your updated CV