CareerPlan

Senior Application Security Engineer

Paris officeFull-time2026-10-14 → 2026-11-10

Core

Senior Application Security Engineer building threat models, secure-by-default guardrails, and AI/LLM security for a clinical AI platform handling sensitive healthcare data.

Role type

Senior hands-on IC Application Security Engineer

Builds

Secure authentication/authorization surfaces, AI agent guardrails, and secure CI/CD pipelines for a unified clinical AI platform

Domain

Healthcare / Application Security / AI Security

Deliverable

production ML models

Required skills

Application security engineering, OAuth 2.0/OIDC, threat modeling, SAST/SCA triage, AI/LLM security, secure coding (Kotlin/Python), API security

Preferred skills

LLM/AI agent security, mobile app security, pentesting, bug bounty, GCP/GKE, healthcare industry experience

Technologies

Kotlin, Python, OAuth 2.0, OIDC, SAST, SCA, GCP, GKE

Responsibilities

Partner with product squads on design reviews and threat modeling; secure authN/authZ surfaces and hunt for access control flaws; run code-security findings loops and triage scanner results; secure AI/LLM features and autonomous agents; run external testing programs including pentests and bug bounties; build secure-by-default guardrails and hardened libraries

Seniority

Senior, hands-on IC