Backend Engineer Authentication

CloudWalk, Inc. · São Paulo, São Paulo, Brazil

**About The Technology Team** Our Technology teams build the financial infrastructure that moves money for millions of people across the globe. We work on distributed systems at scale — from the payment kernel to AI\-powered fraud detection — and we operate on the belief that great engineering is the foundation of everything CloudWalk does. **About This Role** This role sits on a team that owns both auth and ledger, so you'll occasionally pick up work across both areas. * Develop and maintain authentication systems used by both customers and internal services * Build and operate token issuance, validation, and rotation * Maintain HSM\-backed key management and signing infrastructure * Improve the security of auth flows in a regulated financial environment * Build SDKs and tooling that other engineering teams use to integrate with auth * Communicate clearly with both technical and non\-technical stakeholders The Future We See At CloudWalk, we envision a future where AI empowers every field to reach new heights: * People teams leveraging AI to transform talent acquisition and employee development. * Marketing professionals creating data\-driven, AI\-powered campaign strategies. * Customer Success teams enhancing client experiences with intelligent solutions. * Risk analysts combining human expertise with AI to navigate complexities. * Designers collaborating with AI to push creative boundaries. Join us at CloudWalk, where we're not just engineering solutions; we're building a smarter, AI\-driven future for payments—together. By applying for this position, your data will be processed as per CloudWalk's Privacy Policy.