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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

CyberSecurity, Product Security Engineer

Requirements

  • 5+ years of experience in Product Security, Application Security, or Software Engineering with a strong security focus.
  • Strong understanding of modern software architecture, distributed systems, APIs, and cloud-native applications.
  • Demonstrated experience performing threat modeling, architecture reviews, and secure design assessments.
  • Deep understanding of modern software security, including authentication, authorization, cryptography, secrets management, tenant isolation, secure data flows, and common vulnerability classes (OWASP Top 10, CWE).
  • Strong software engineering skills in Python, Go, TypeScript, or similar languages, with the ability to review production code and build security automation.
  • Experience with application security testing techniques, including manual code review, penetration testing, bug bounty programs.
  • Experience designing product-specific security testing approaches, including security automation or agent-based testing, is highly valued.
  • Strong understanding of Secure SDLC principles from product design through production deployment and long-term maintenance.
  • Excellent communication and influencing skills, with the ability to earn trust across engineering organizations and balance security, product delivery, and developer experience.
  • A pragmatic, engineering-first mindset with strong technical judgment and a focus on solving meaningful security problems.

What You'll Be Doing

  • Serve as the dedicated Product Security partner for one or more product organizations.
  • Drive security throughout the entire product lifecycle, from design and architecture reviews to production deployment and ongoing operation.
  • Lead threat modeling, security architecture reviews, and risk assessments for new features, APIs, and major architectural changes.
  • Define pragmatic security requirements and secure-by-default patterns that enable engineering teams to ship safely at high velocity for a specific product.
  • Review critical designs and code, focusing on authentication, authorization, tenant isolation, data protection, cryptography, and other high-impact security controls.
  • Design product-specific security validation strategies, including targeted testing, abuse-case development, and guided agent-based security assessments tailored to each product's architecture and workflows.
  • Partner with engineering teams to prioritize and remediate vulnerabilities identified through code reviews, penetration testing, bug bounty programs, and automated security testing.
  • Collaborate with Security Engineering to improve reusable security platforms, developer guardrails, and security capabilities integrated into the SDLC.
  • Champion secure software engineering through coaching, technical leadership, reusable design patterns, and Security Champion programs.
  • Define Product Security metrics, continuously improve the security posture of your products, and help shape Product Security practices across the company.

Nice to Haves

    Perks and Benefits

    • We offer a comprehensive benefits package designed to support your well-being, growth, and work-life balance. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks.
    AI Summary ✨
    Mistral AI logo

    Mistral AI

    Paris, France

    Experience: Senior
    Posted: September 12, 2026
    Last seen: 5 hours ago
    Golang
    Python
    Typescript
    security

    Why we track Mistral AI

    Mistral AI is a Paris-based AI company building frontier large language models. Founded by former DeepMind and Meta researchers, they're one of Europe's most important AI companies. If you want to work on cutting-edge AI research and infrastructure in Europe, Mistral is the one to watch.

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