API Backend Engineer (MCP)

We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources.

Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking.

On behalf of this organisation, AMS are looking for an API Backend Engineer (MCP) for a 6 months contract based in Edinburgh or London (Hybrid).

Purpose of the Role:

As API Backend Engineer (MCP) you will be responsible for designing, building, and operating secure, scalable APIs and Back End services in cloud-native environments. The role centres on API development using modern API gateways on AWS or GCP, applying API standards, DevSecOps, and industry best practices, and delivering solutions within SCRUM agile ways of working. Apigee experience is an advantage.

Responsibilities of the role:

As a API Backend Engineer (MCP) you will be responsible for:

• Design, develop, and maintain Back End services and APIs (REST and event-driven).
• Build and operate APIs and MCPs using Apigee Hybrid/X.
• Apply API standards and industry best practices for design, versioning, security, documentation, and life cycle management.
• Embed DevSecOps practices across CI/CD pipelines and runtime environments.
• Design and implement secure service-to-service integrations using MCP, A2A, and AP2 protocols.
• Contribute to Back End integrations involving LLM-enabled or AI-driven systems, where applicable.
• Deploy, monitor, and support production services on AWS or GCP.
• Actively contribute code while collaborating within SCRUM agile teams.

What we require from the candidate:

• Strong hands-on Back End development experience (Java, Python, or Node.js).
• Proven API development experience using an API gateway platform.
• Production experience with at least one cloud platform: AWS or GCP.
• Practical DevSecOps experience, including CI/CD, infrastructure as code (Terraform), and automated security controls.
• Strong understanding of cloud networking concepts (VPCs, subnets, routing, load balancing, private connectivity).
• API standards and industry best practices, including:
  • RESTful API design and OpenAPI specifications
  • API security (OAuth 2.0, OpenID Connect, mTLS)
  • Secure-by-design, zero-trust, resilience, and fault-tolerant patterns
• MCP, A2A, and AP2 protocols, including their use in secure, distributed integrations
• LLM concepts and integration patterns, including API-based interaction models and security considerations

Next steps

This client will only accept workers operating via an Umbrella or PAYE engagement model.

If you are interested in applying for this position and meet the criteria outlined above, please click the link to apply and we will contact you with an update in due course.

AMS, a Recruitment Process Outsourcing Company, may in the delivery of some of its services be deemed to operate as an Employment Agency or an Employment Business