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From the employer's careers site First seen 4 Nov 2026

Senior/Staff Application Security Engineer

Nebius Remote - Europe Remote senior full-time

The employer hasn't listed a salary.

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Description

We are looking for a Senior/Staff Application Security Engineer to ensure the security of our software by identifying and mitigating vulnerabilities, implementing best security practices, and collaborating with development teams.

Responsibilities:

  • Build and maintain Application Security Posture Management (ASPM) at the Company scale.
  • Automate and support SAST, SCA tools, etc as part of CI/CD pipelines.
  • Improve SAST, secrets detection rules, and keep the false positive rate low.
  • Identify, analyze, and remediate application security vulnerabilities.
  • Collaborate with development teams to integrate security best practices into the software development lifecycle (SDLC).
  • Develop and maintain secure coding guidelines for development teams.
  • Conduct threat modeling and risk assessments for new and existing applications.
  • Provide development teams with instruments that facilitate security-related work like threat modelling, vulnerability detection, etc.
  • Stay updated on the latest security threats, vulnerabilities, and mitigation techniques.
  • Serve as an application security subject matter expert to other teams.

Requirements:

  • 6+ years of experience in application security.
  • Strong knowledge of common application security risks (e.g., OWASP Top 10) and how to mitigate them.
  • Experience with secure coding practices in languages such as Python, Go, Java, or JavaScript.
  • Proficiency in a common programming language (such as Go or Python) with a willingness to learn Go, if necessary.
  • Hands-on experience with security testing tools (Burp Suite, ZAP, Semgrep, etc.).
  • Understanding of authentication protocols like SAML or OIDC.
  • Experience in conducting threat-modeling sessions.

Nice to Have:

  • Confidence in presenting your ideas and opinions in a manner that can be challenged, while responding well to feedback.
  • Experience in designing, building, and maintaining security automation.
  • Experience in translating compliance and regulation requirements into technical specifications.
  • Experience in exploiting vulnerabilities in web applications, Linux kernels, containers, and networks.
  • Security certifications such as OSCP or OSWE.

Hiring Process:

  • Recruiter's chat (30mins)
  • Live-coding interview (60mins) to assess basic coding skills
  • Security interview (60mins) to assess domain expertise
  • Security System Design interview (90mins) to assess practical experience
  • (Optional) Technical deep dive (90mins) to present a complex and impactful project.
  • Final interview to close the hiring process (45mins)

Benefits & Perks:

  • Competitive compensation
  • Career growth and learning opportunities
  • Flexibility and ownership
  • Collaborative and innovative culture
  • Opportunity to work on impactful AI projects
  • International environment and talented teams

Skills

Required

Nice to have

  • security automation
  • compliance and regulation
  • exploiting vulnerabilities
  • OSCP
  • OSWE

Ready to apply?

You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/nebius/jobs/4537282101

Apply on Nebius