Staff Security Engineer

ABOUT QUINCE Founded in 2018, Quince was built to challenge the idea that nice things have to cost a lot. Our mission is simple: to make really high quality essentials for really low prices, produced fairly and sustainably. We believe everyone deserves exceptional craftsmanship and timeless design without the traditional markups. Quince is a direct-to-consumer (DTC) model that cuts out middlemen and leverages just-in-time manufacturing to minimize waste and maximize value. Quince is a tech company disrupting the retail industry by putting AI, analytics and automation at the center of everything we do. Our unwavering commitment to excellence and company values guide our teams and actions: Customer First : We prioritize customer satisfaction in every decision. High Quality : True quality means premium materials and rigorous production standards you can feel good about. Essential Design : We focus on timeless, functional essentials instead of chasing trends. Always a Better Deal : Innovation and transparency ensure value for both customers and partners. Social & Environmental Responsibility : We commit to sustainable materials, ethical production, and fair wages. Quince partners with world-class manufacturers across the globe and serves millions of customers. With strong investor backing and a focus on sustainable growth, we are a company that is rapidly scaling while maintaining a commitment to quality, simplicity, and radical price transparency. OUR TEAM AND SUCCESS At Quince, you will be part of a high-performing team that is redefining what quality, value, and sustainability mean in modern retail. We are a destination for builders, innovators, and operators to come together and challenge the status quo. Our collective ambition is bold. We are creating an entirely new category and customer experience – one that democratizes luxury and provides high quality products at radically low prices. That mission demands a world-class team committed to excellence. If you are motivated by impact, growth, and purpose, you will find a strong sense of belonging at Quince. THE ROLE Staff Security Engineer We’re looking for a Staff Security Engineer to join our growing Security team. In this role, you will drive security strategy and execution across Quince’s product, cloud, infrastructure, and enterprise environments. You will operate as a senior technical leader, combining deep hands-on security engineering expertise with architectural influence to build scalable security programs and systems. You will partner closely with engineering, product, legal, compliance, and business teams to embed security throughout the software development lifecycle, strengthen our cloud and enterprise security posture, and continuously improve our detection and response capabilities. Success in this role means proactively reducing risk, building security capabilities that scale with the business, and driving a culture where security is treated as a core engineering responsibility. You will serve as a technical mentor, influence engineering decisions across teams, and help shape the future of security at Quince. Responsibilities Security Architecture & Engineering Lead security architecture reviews and provide guidance on the design of new systems, services, and product features Review product requirements, technical designs, and implementation plans to embed security early in the development lifecycle Design and build security tooling, automation frameworks, and scalable security services Drive secure-by-design principles and security engineering best practices across the organization Define security standards, patterns, and architectural guardrails for engineering teams Application & Product Security Own and evolve the application security program, including SAST, DAST, SCA, and CI/CD security controls Conduct vulnerability assessments and penetration testing across web, API, and mobile platforms Partner with engineering teams to identify, prioritize, and reme…