Lead API Solution Architect - Financial Services / Banking in London

Energy Jobline CVL; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading investment bank in London is seeking a Senior API Solution Architect for a 6-month contract (hybrid). This role involves defining the API strategy, ensuring secure integration, and leading governance efforts across teams. Candidates should have a strong leadership background in API programmes and familiarity with banking processes. Excellent opportunities for growth and development are provided.

Qualifications

• Strong technical leadership required.
• Experience in regulated environments necessary.
• Familiarity with banking processes is a plus.

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.

Skills

Leadership in large-scale API programmes

REST

OAuth2

OpenAPI

API security

Cloud (Azure/GCP)

CI/CD

Kafka

IBM MQ

Stakeholder management

Strategic thinking

Job description

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

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

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.