Poshmark

Security Engineer Intern (Summer 2026)

Poshmark4 days ago
Location

US California (Redwood City) - Office

Type

Internship

Salary

USD 35 – 35

Level

Intern

Role

Security Engineer

Posted

Apr 15, 2026

InternshipIntern

The role

Summary

A summer internship opportunity with Poshmark's Cloud & Application Security Team, focused on helping protect the company's software ecosystem through vulnerability assessments, security testing, and supporting secure development practices for a leading social commerce platform.

What we look for

Technical

Security AssessmentAbility to conduct vulnerability assessments and penetration testing
Code ReviewSkill in performing secure code reviews to identify security weaknesses

Education

Computer ScienceCurrently pursuing a bachelor's degree in computer science, computer engineering, information security, cybersecurity, or related field

Experience

Internship EligibilityCurrent or rising senior enrolled in an accredited university, expected to graduate between Fall 2026 and Summer 2027

Skills

Required skills

Web Application SecurityFoundational understanding of web application security concepts and common vulnerability classes
Secure Coding PracticesFamiliarity with secure coding practices and software development lifecycle
CommunicationAbility to communicate technical findings clearly in written and verbal form

Nice to have

SAST/DAST ToolsExperience with Static and Dynamic Application Security Testing tools
OWASP Top 10Understanding of common web application security vulnerabilities
JIRAExperience with issue tracking and vulnerability management

Compensation & benefits

Salary

USD 35 – 35 (annual)

Benefits

Professional Development

Hands-on experience in product security at a leading social commerce platform

Mentorship

Work directly with experienced security engineers and GRC team

Real-world Impact

Contribute to protecting platform integrity and member trust

Interview process

  1. 1
    Application Review — Initial screening of intern application and qualifications
  2. 2
    Initial Screen — Phone or video interview to assess technical background and interest
  3. 3
    Technical Assessment — Security-focused coding or vulnerability assessment challenge
  4. 4
    Final Interview — Meeting with security team members to evaluate fit and potential
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Poshmark

Poshmark

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Poshmark is an American social commerce platform for buying and selling fashion. It enables users to create virtual closets and host live shopping events.

Redwood City, California, United StatesFounded 2011poshmark.com

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