At R3 our vision is a world where value moves freely, and business is done safely. Our mission is to enable an open, trusted, and enduring digital economy. We are a scale up with a startup’s grit. We encourage a workforce where no idea is too small, and no two days are the same. The Role In this role, you will be responsible for building and maintaining large scale distributed systems and architecture for our Digital Currency product. The product spans over multiple services/microservices & networks which run on fully container orchestrated environments. You will be playing a key role in building the product that is innovating financial technology products for large economies. We aim to have a fast, agile and automated product engineering philosophy that will provide safe and secure experience to our users. Are you a Java/Kotlin developer who also speaks the language of PKI, OAuth, or Terraform? If you have experience in any of the following, you might be exactly who we’re looking for:  Public Key Infrastructure (PKI)  Security Architecture & Protocols  Authentication & Authorization  OAuth 2.0 / OpenID Connect  Single Sign-On (SSO)  Keycloak or similar IAM platforms  Infrastructure as Code (Terraform) We’re building systems where security meets scalability, and we need sharp minds who can make identity and access management feel effortless.