Backend Engineer Authentication

About CloudWalk

About CloudWalk: We are not just another fintech unicorn. We are a pack of dreamers, makers, and tech enthusiasts building the future of payments. With millions of customers and a hunger for innovation, we're now expanding our neural network - literally and metaphorically.

About This Role

• 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
  
  

What You Need To Succeed

• Has operated critical infrastructure on cloud providers like GCP or AWS, using tools such as Terraform
• Has experience with cryptographic authentication systems
• Has experience with authentication and authorization protocols (OAuth/OIDC, JWT, SAML)
• Has experience with PCI compliant systems
• Is proficient in Rust
• Some knowledge of the Brazilian payments ecosystem is a plus
• Experience with HSMs is a plus
• Communicates clearly and effectively
• Advanced English communication skills, primarily for internal communication with our diverse, multinational team
  
  

The Future We See

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.