Staff Security Engineer — Architect Privacy‑Preserving Platform

Swile; Paris; Hybride; EUR 120 000 - 180 000; Plein temps

Résumé du poste

Swile is seeking a Staff Security Engineer to strengthen the security of our products, data and engineering platform. This highly technical role involves hands-on work with production systems and close collaboration with Engineering teams to harden security architectures.

You will operate across two horizons: tightening today’s security and designing tomorrow’s privacy architecture with cryptographic isolation and minimal data exposure.

Qualifications

• Strong engineering background with production software and distributed systems
• Experience designing and securing large-scale SaaS platforms
• Ability to read and write production code and work with engineering teams

Responsabilités

• Identify and reduce high-impact security risks across applications, APIs and internal tools
• Strengthen authentication, authorization and access controls
• Improve protection of sensitive and personal data
• Design controls that limit blast radius of compromised accounts, services or infrastructure
• Improve security monitoring, auditability and detection of suspicious access patterns
• Perform threat modelling and targeted security reviews
• Build reusable security capabilities into the engineering platform and lifecycle
• Contribute to data isolation, encryption, tokenisation and privacy-preserving systems
• Partner with engineering teams to address systemic security risks rather than individual findings

Connaissances

Security engineering

Distributed systems

Threat modelling

Secure architectures

Outils

KMS / HSM

Description du poste

Swile is seeking a Staff Security Engineer to strengthen the security of our products, data and engineering platform. This highly technical role involves hands-on work with production systems and close collaboration with Engineering teams to harden security architectures.

You will operate across two horizons: tightening today’s security and designing tomorrow’s privacy architecture with cryptographic isolation and minimal data exposure.