Backend Engineer Authentication

CloudWalk, Inc.; Brasil; Teletrabalho; BRL 180 000 - 320 000; Tempo integral

Resumo da oferta

CloudWalk, Inc. is seeking a Backend Engineer to design and maintain authentication systems for customers and internal services in a remote Brazil-based role.

You will build and operate token issuance, validation, and rotation, and enhance auth security within a regulated financial environment. You will contribute to HSM-backed key management, signing infrastructure, and develop SDKs for integration with other engineering teams, while communicating effectively with stakeholders across the

Qualificações

• Experience operating critical infrastructure on cloud providers (GCP or AWS) using Terraform.
• Experience with cryptographic authentication systems.
• Experience with OAuth/OIDC, JWT, and SAML authentication/authorization protocols.
• Experience with PCI-compliant systems.
• Proficient in Rust.
• Knowledge of the Brazilian payments ecosystem is a plus.
• Experience with HSMs is a plus.
• Strong clear communication in English.

Responsabilidades

• 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 for other engineering teams to integrate with auth.
• Communicate clearly with both technical and non-technical stakeholders.

Conhecimentos

Cloud infrastructure

Cryptographic auth

OAuth/OIDC/JWT/SAML

PCI compliance

Rust

English communication

Ferramentas

Terraform

HSMs

Descrição da oferta de emprego

# Backend Engineer AuthenticationBrasil, BRAFull TimeTechnologyApply for this role## About the Technology teamOur 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> - 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> #LI-Remote#LI-IJ1#LI-Remote## 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 SeeAt 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.