Backend Engineer Authentication
Core
Develop and maintain authentication systems, token issuance/validation/rotation, and HSM-backed key management for customers and internal services in a regulated financial environment.
Role type
Backend Engineer (Authentication & Security Infrastructure)
Builds
Authentication systems, SDKs, and tooling for payment integration
Domain
Fintech / Payments / Cryptography
Deliverable
production ML models | product features | infrastructure
Required skills
Rust, Cloud infrastructure (GCP/AWS), Terraform, Cryptographic authentication systems, OAuth/OIDC, JWT, SAML, PCI compliance, HSM management
Preferred skills
Knowledge of Brazilian payments ecosystem, Advanced English communication
Technologies
Rust, GCP, AWS, Terraform, HSM, OAuth, OIDC, JWT, SAML
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