Senior Product Security Engineer

Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love.

Product Security at Toast isn't just about running tools and reporting vulnerabilities – we're the vigilant chefs ensuring the Toast never gets burned. We bake security into every layer of our products, from the first sprinkle of an idea to the final serving of a fully-baked solution. Our team is the secret ingredient that makes Toast's digital recipe both delicious and secure. We collaborate closely with R&D, seasoning the development process with robust security measures that protect the services and applications our customers rely on to run their businesses. 

Like master chefs, we blend cutting-edge technology with strategic thinking, kneading security into the dough of every product we create. By joining our Product Security team, you'll be part of the kitchen crew that keeps our customers' trust from going stale. You'll tackle complex challenges that have real-world impact, helping to serve up a safer, more secure digital experience for businesses that count on Toast every day. It's not just about finding vulnerabilities – it's about crafting a recipe for digital trust that keeps our customers coming back for more.

About this roll* (Responsibilities) 

• Identify, triage, and provide remediation guidance for application vulnerabilities.
• Select, implement, design, or build tools to thwart attacks of all shapes and sizes.
• Improve developer tooling and adoption to build a more robust SSDLC.
• Practice a #OneTeam attitude to help other Toast teams make informed, security-conscious. decisions when building new software.
• Support and expand the Security Champions program, providing edge security guidance and training.
• Assist incident response teams with application security expertise and tools.
• Think like an attacker to identify weaknesses in application architecture.

In addition:

• Support Cloud and Network Infrastructure Engineering's implementation of edge security solutions.
• Influence the implementation and rule maintenance of our WAF strategy and other edge security solutions.
• Advise on WAF rules and policies to protect against common and emerging threats.
• Conduct regular assessments of our edge security posture and recommend improvements.
• Provide expertise on Content Delivery Networks (CDNs) and their security features.

Do you have the right ingredients*? (Requirements)

• 5+ years of experience in application security
• Strong knowledge of common web application vulnerabilities and edge-based attack vectors.
• Proficiency in analyzing web traffic patterns and identifying anomalies.
• Knowledge of compliance standards relevant to the financial industry (e.g., PCI DSS, SOC 2).
• Excellent problem-solving skills and ability to think creatively about edge security challenges.
• Strong communication skills, with the ability to explain complex edge security concepts to both technical and non-technical audiences.
• Strong understanding of cloud application architecture and common weaknesses.

Special Sauce* (Nonessential Skills/Nice to Haves)

Experience with:

• Understanding of WAF configuration, tuning, and optimization.
• Popular WAF solutions (e.g., AWS WAF, Cloudflare, Akamai, ModSecurity).
• Familiarity with CDN technologies and their security features.
• Cloud and container security technologies and SSDLC tooling (e.g. SAST/DAST/SCA)

• Infrastructure-as-code (IaC) technologies like Terraform to manage cloud security services
• Securing financial technologies

Relevant security certifications (e.g., CCSP, CISSP, CSSLP) are a plus