Senior Application Security Engineer

About Us

Poshmark is a leading social marketplace for new and secondhand style for women, men, kids, pets, home, and more. By combining the human connection of physical shopping with the scale, ease, and selection benefits of ecommerce, Poshmark makes buying and selling simple, social, and sustainable. Its community of more than 80 million registered users across the U.S., Canada, Australia, and India, is driving the future of commerce while promoting more sustainable consumption. For more information, please visit www.poshmark.com, and for company news and announcements, please visit investors.poshmark.com. You can also find Poshmark on Instagram, Facebook, Twitter, Pinterest, and YouTube.

Responsibilities

• Drive the application security program in few product verticals
• Participate in secure SDLC including threat modeling and product driven security testing
• Participate in product requirement and technical design discussions to influence requirements and designs
• Provide recommendations to security standards and trainings
• Bubble up any security requirements specific to the tribes responsible for
• Be responsible for SAST, IAST, SCA and other security tools
• Create application security and secure coding standards and educate developers
• Integrate, enhance and implement devsecops tooling SAST, IAST, SCA and others as required to shift left security
• Bake security into every stage of the software development lifecycle for Backend/Mobile/Web applications
• Develop custom tools and automations that enable DevSecOps and SecOps
• Perform penetration testing of Poshmark applications and network
• Triage penetration testing and bug bounty programs
• Mitigate identified vulnerabilities by providing and/or implementing technical solutions
• Evaluate and integrate security tools and solutions to improve application security posture

6-Month Accomplishments 

• Take over responsibility for few Tribes/Products
• Get up to speed with the security tooling and start managing them
• Own the external bug bounty program, triage coordinate with the security researches to reproduce the issues
• Create security training for developers
• Triage and provide remediation solutions for critical vulnerabilities

Requirements

• 5+ years of professional hands-on experience in application security
• Strong foundation of security architecture, protocols, vulnerabilities, and countermeasures
• Strong understanding of secure coding standards and security risks (e.g. OWASP, SANS and others).
• Familiarity with cryptography primitives and fundamentals (e.g. SSL/TLS, PKI)
• Experience with programming on one of the programming languages (e.g. JRuby, Java, Kotlin, Swift, and/or JavaScript) and development tools (e.g. Gradle, Jenkins)
• Experience with AWS or cloud environments and pen testing cloud
• Strong attention to detail and accountability under minimal supervision

Why Poshmark?

Founded in 2011, Poshmark is the largest social marketplace for fashion where anyone can buy, sell and share their style with others. Poshmark’s mission is to make shopping simple and fun by connecting people around a shared love of fashion, while empowering entrepreneurs to become the next generation of retailers. Recognized as the go-to shopping destination for millennials, Poshmark’s community of over two million Seller Stylists help shoppers discover the perfect look from over 25 million items and 5,000 brands. The company is backed by the world’s leading venture capital institutions including Mayfield, Menlo Ventures, GGV Capital, Inventus Capital, SoftTech VC, Union Grove Venture Partners, Shea Ventures and AngelList. For more information, please visit www.poshmark.com, or find us on Instagram, Twitter, Pinterest and Snapchat.

Here’s what we’ll set you up with:

• A team that invests in your career growth and training
• Competitive salary and equity, based on experience
• Fully sponsored health, dental and vision plans
• Amazing IT setup and smartphone reimbursement
• Work alongside world-class talent
• Flexible Vacation / Paid Time Off Policy
• Parental Leave
• Healthy and exciting lunches and snacks offered daily
• Personal Style Encouraged (or not, whatever you’re into)
• Fun company happy hours, parties, and off-site events

#LI-Remote

About Us

Poshmark is a leading social marketplace for new and secondhand style for women, men, kids, pets, home, and more. By combining the human connection of physical shopping with the scale, ease, and selection benefits of e-commerce, Poshmark makes buying and selling simple, social, and sustainable. Its community of more than 80 million registered users across the U.S., Canada, Australia, and India, is driving the future of commerce while promoting more sustainable consumption. For more information, please visit www.poshmark.com, and for company news and announcements, please visit investors.poshmark.com. You can also find Poshmark on Instagram, Facebook, Twitter, Pinterest, and YouTube.

Why Poshmark?

At Poshmark, we’re constantly challenging the status quo and are looking for innovative and passionate people to help shape the future of Poshmark. We’re disrupting the industry by combining social connections with e-commerce through data-driven solutions and the latest technology to optimize our platform. We’re nothing without our amazing team who deliver an unparalleled social shopping experience to the millions of people we connect each day.

We built Poshmark around four core values: 1) focus on people to create empowered communities that drive success; 2) together we grow to support each other to strive for our dreams; 3) lead with love to foster genuine connections built upon a foundation of respect; and 4) embrace your weirdness to accept and empower one another on their own unique journey. We’re invested in our team and community, working together to build an entirely new way to shop. That way, when we win, we all win together. Come help us build the most connected shopping experience ever.

Here’s what we’ll set you up with:

• A team that is invested in your career growth and training
• Competitive salary and equity, based on experience
• Company sponsors up to 100% cost for your health, dental and vision plans and up to 90% for your dependents
• Work alongside world-class talent
• Flexible vacation / paid time off policy
• Parental leave
• Personal style encouraged (or not, whatever you’re in to)

Poshmark is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.