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Staff Security Engineer

Toulouse, France🌐 Remote💼 Full-time🗓 2026-09-01 → 2026-09-26

Core

Build security platforms and harden systems for products, data, and engineering infrastructure to minimize data exposure and blast radius.

Role type

Staff Security Engineer (hands-on IC)

Builds

Security capabilities, authentication/authorization controls, and privacy-preserving architectures for distributed systems.

Domain

Fintech / Cybersecurity

Deliverable

production ML models | product features | infrastructure

Required skills

distributed systems, API security, IAM (OAuth2/OIDC/WebAuthn/FIDO2), cryptography (KMS/HSM), threat modelling, security monitoring, secure software architecture

Preferred skills

large-scale SaaS, multi-tenant architectures, insider risk, data-loss prevention, privacy-enhancing technologies

Technologies

OAuth2, OIDC, WebAuthn, FIDO2, KMS, HSM

Responsibilities

Identify and reduce high-impact security risks across applications and APIs; strengthen authentication, authorization, and access controls; design controls to limit blast radius of compromised accounts; improve security monitoring and detection; perform threat modelling and targeted security reviews; build reusable security capabilities into the engineering platform; contribute to long-term data isolation and encryption architectures.

Seniority

Staff, hands-on IC

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