Senior Product Security Engineer

Quick Facts

• Role: Senior Product Security Engineer (AI & LLM)
• Work model: Fully office-based, 5 days per week

Description

Help define how LLM-powered applications, AI agents, and AI tooling are securely designed and adopted. Perform threat modeling, architecture reviews, and security assessments for AI use cases, then design and implement security controls for LLM applications, agents, model integrations, and data flows. Work with software, platform, and cloud teams to introduce AI safely without slowing development.

Responsibilities

• Perform threat modelling, architecture reviews, and security assessments for AI use cases
• Design security controls for LLM applications, agents, model integrations, and data flows
• Define secure patterns for AuthN/AuthZ, IAM, secrets management, logging, and monitoring
• Address risks including prompt injection, data leakage, excessive permissions, and unsafe tool execution
• Create reusable security guardrails for engineering teams
• Support security testing, vendor assessments, remediation, and incident response
• Help move security improvements from design into production

Requirements

• Strong experience in Product Security, Application Security, or Security Engineering
• Hands-on experience with threat modelling and secure architecture reviews
• Experience designing or implementing security controls (not only identifying vulnerabilities)
• Strong knowledge of authentication and authorisation
• Strong knowledge of IAM and access-control models
• Strong knowledge of secrets management
• Strong knowledge of security logging and observability
• Experience with secure software development
• Experience working with software engineering, platform, DevOps, or cloud teams
• Ability to translate security risks into practical technical solutions
• Professional English and a collaborative approach (English C1)
• Practical experience securing LLM-powered applications, AI agents, MCP integrations, AI development tooling, or third-party model providers is a strong advantage

Benefits

• Rare opportunity to specialise in AI and LLM security
• End-to-end influence from threat modelling to production security controls
• Complex technical challenges in an international engineering environment
• Stable Polish employment contract (Umowa o Pracę)
• Benefits and wellbeing initiatives supporting a healthy work-life balance