Java Developer - IAM/API

Java Developer - IAM/API

Sheffield (1-2 days per month onsite)
Inside IR35

We''re supporting a leading financial services client in hiring a Java-focused Application Developer to build secure, scalable identity and access solutions within a modern cloud environment.

This role centres on Java API development, identity orchestration, and event-driven architectures, working closely with security and engineering teams to deliver robust IAM and data-driven solutions.

Key Responsibilities

• Design and develop-secure, scalable RESTful APIs (Java)-supporting identity and access workflows
• Build and enhance-identity lifecycle orchestration-(provisioning, de-provisioning, access controls)
• Develop-event-driven solutions-using Pub/Sub for Real Time identity and security workflows
• Integrate APIs with authentication services (OAuth2, OIDC, JWT) and enterprise systems
• Contribute to-cloud-native microservices-and Back End services (GCP preferred)
• Implement-automation and Infrastructure as Code-(Terraform, CI/CD pipelines)
• Troubleshoot and optimise-IAM, API, and distributed system performance

Key Requirements

• Strong-Java development experience-(essential) with a focus on API and Back End services
• Experience building-cloud-native applications-and microservices architectures
• Solid understanding of-IAM/Identity concepts-(OAuth2, OIDC, SAML, federation)
• Experience with-event-driven architectures-(Pub/Sub or similar messaging systems)
• Knowledge of-data ingestion, transformation, and API-driven workflows
• Familiarity with-Terraform and cloud platforms (ideally GCP)

Desirable

• Experience with identity platforms (eg Auth0, Okta)
• Exposure to Kubernetes/containerised environments
• Understanding of security and compliance frameworks

This is a great opportunity to work on cutting-edge identity and API solutions within a large-scale, complex environment, with a strong emphasis on Java engineering and secure system design.