Brex

Software Engineer II, Identity and Access Management

Brex
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11 hours ago
São Paulo, BrazilMid Level

Responsibilities

  • Design, build, and operate backend systems and APIs for authentication, authorization, identity context, and audit-related workflows.
  • Deliver technical projects end to end, including design, implementation, rollout, measurement, and operational support.
  • Improve login and access experiences across SSO, MFA, step-up authentication, delegated access, and enterprise identity flows.
  • Build authorization systems supporting custom roles, resource-aware access control, and secure defaults.
  • Create durable identity-aware audit trails and attribution for user, service, delegated, and agent-driven actions.
  • Partner with engineers across Brex to make IAM integrations secure by default through patterns, tooling, and shared libraries.
  • Contribute code, design reviews, documentation, and operational improvements that improve reliability and maintainability.

Requirements

  • Strong software engineering fundamentals and experience building reliable production backend systems.
  • Experience owning well-scoped technical projects and driving them to completion with limited support.
  • Experience building APIs, services, or platform infrastructure with strong rigor around testing, code quality, and documentation.
  • Clear communication, effective cross-functional collaboration, and strong technical discussion skills.
  • Ability to improve system reliability, reduce toil, and maintain high-quality services over time.
  • Strong product and engineering judgment when balancing security, usability, and developer experience.
  • Strong written and verbal English communication and interpersonal abilities.
  • Preferred experience with identity and access management, authentication, authorization, or audit systems in production.
  • Preferred hands-on experience with Okta, Oso, SSO, SAML, OIDC, OAuth, passkeys, or WebAuthn.
  • Preferred experience building enterprise admin controls, custom roles, delegated access flows, audit trails, or secure-by-default platform frameworks.

Benefits

  • Hybrid São Paulo role requiring at least three days per week in the office: Monday, Wednesday, and Thursday.
  • Up to four weeks per year of fully remote work.

Categories

Brex

About Brex

10,000+ employees

Brex builds a spend management platform for businesses, combining corporate cards with expense management, bill pay, travel, and cash management software. It earns revenue from SaaS subscriptions and card interchange, and serves over 30,000 businesses including DoorDash and ServiceTitan. Founded in 2017 and headquartered in San Francisco, Brex LLC is a wholly owned subsidiary of Capital One, N.A.

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