IAM Developer | GCP | Identity & Access Management | Contract

GCS; Sheffield; On-site; GBP 55,000 - 90,000; Full time

Job summary

GCS is seeking an IAM Developer to join a major transformation programme in a global banking environment. You will implement identity and access management solutions across cloud-native services and APIs, integrating platforms such as Auth0/Okta/WorkOS with microservices.

The role requires strong coding skills (Python/Go/Node.js), REST API design, and experience with GCP services and IaC (Terraform). You will work on secure, scalable identity architectures in a large-scale setting.

Qualifications

• Experience delivering IAM solutions in enterprise environments.
• Knowledge of cloud identity platforms (Auth0/Okta/WorkOS) and integration patterns.
• Strong background in Python/Go/Node.js and REST/microservices.
• Hands-on experience with cloud services (GCP) and event-driven architectures.
• Experience with IaC (Terraform) and CI/CD pipelines.
• Familiarity with OAuth2/OIDC/JWT/SAML security standards.

Responsibilities

• Develop and implement IAM solutions across cloud-native apps and APIs.
• Collaborate with security, platform, and development teams on identity governance.
• Design and integrate identity platforms with microservices and event-driven patterns.

Skills

IAM

Auth0 Okta WorkOS

Programming languages

REST APIs

GCP

Event-Driven

Terraform CI/CD

OAuth2 OIDC JWT SAML

Job description

One of our leading banking clients is looking for an experienced IAM Developer to join a large-scale Identity & Access Management transformation programme.

Key Skills Required:

• Identity & Access Management (IAM)
• Auth0, Okta, WorkOS, or similar identity platforms
• Python, Go, or Node.js
• REST API & Micro services development
• GCP (Cloud Run, Cloud Functions, GKE)
• Pub/Sub / Event-Driven Architecture
• Terraform & CI/CD
• OAuth2, OIDC, JWT, SAML

Nice to Have:

• React
• Kubernetes
• Azure AD / Entra ID
• Ping Identity
• Financial Services experience

This is an excellent opportunity to work on a high-profile cloud and identity transformation programme within a global banking environment.