Java Fullstack Engineer – Identity & Access Expert

Takeaway.com; Enschede; On-site; EUR 70,000 - 110,000; Full time

Job summary

Just Eat Takeaway.com (JET) is hiring a Java Fullstack Engineer to join our Identity & Access Management team. You’ll work across backend, frontend, and cloud-native stacks to deliver secure, scalable authentication and authorization solutions for a global ecosystem.

You’ll design and build Java backends with Keycloak, develop Go/Kotlin microservices, and create React-based admin dashboards. You’ll also support .NET SDKs and Python tooling, while embracing Docker, Kubernetes, and AWS for

Qualifications

• Commercial backend experience with Java and polyglot backend environments.
• Hands-on with OAuth2, OpenID Connect, SAML and Keycloak.
• Frontend experience with React (JS/TS) to deliver full-stack features.
• Experience operating services with Kubernetes, Docker and AWS.
• Familiarity with .NET SDKs and Python automation.
• Security-minded with modern patterns and observability practices.

Responsibilities

• Design, develop, and maintain identity/authentication infrastructure (Java/Keycloak) and authorization microservices (Go/Kotlin).
• Build secure, responsive frontend dashboards using React to support identity journeys.
• Support client-side .NET SDKs and write Python automation scripts for onboarding and tooling.
• Package, deploy, and scale microservices with Docker, Kubernetes, and AWS.
• Implement security patterns (OAuth2, OIDC, RBAC/ABAC) and participate in architectural reviews.

Skills

Java Backend

AuthN/AuthZ

Frontend React

Cloud/SRE Mindset

AI-assisted Development

Security Patterns

Tools

Java

Go

Kotlin

React

Docker

Kubernetes

AWS

Keycloak

Python

.NET

Job description

Just Eat Takeaway.com (JET) is hiring a Java Fullstack Engineer to join our Identity & Access Management team. You’ll work across backend, frontend, and cloud-native stacks to deliver secure, scalable authentication and authorization solutions for a global ecosystem.

You’ll design and build Java backends with Keycloak, develop Go/Kotlin microservices, and create React-based admin dashboards. You’ll also support .NET SDKs and Python tooling, while embracing Docker, Kubernetes, and AWS for