SeniorWebDeveloper

At Quantcast, we don't just build advertising technology, we revolutionize how it works. Our AI-powered Demand Side Platform (DSP) connects the world's most ambitious marketers with their ideal audiences across the open internet, delivering results that actually move the needle. Since 2006, we've been the industry's trailblazer, launching the first AI-powered measurement platform for publishers and the first AI-driven DSP. Our AI doesn't just optimize—it delivers the measurable outcomes that matter most to our clients, giving them the competitive edge they need in a crowded marketplace. Ready to join the team that's defining the future of digital advertising?   We are looking for a Senior Web Developer to join our IT Enterprise Applications team. This is a high-impact, senior individual contributor role designed for a "technical athlete" who can move fluidly between complex code and operational architecture. You will own the performance, deployment, and data integrity of quantcast.com. You aren't just executing tasks; you are architecting the bridge between Marketing’s vision and high-performance engineering. You will lead the transition toward a modern, headless approach, managing a stack that includes Builder.io (CMS), Google Tag Manager (GTM), and Salesforce. While your background may be in traditional web technologies, a key component of this role is the proactive willingness and ability to learn how to deploy Salesforce Lightning Web Components (LWC) to unify our front-end and CRM ecosystems. What You’ll Do - - Architectural Ownership (40%): Lead the technical strategy for our headless CMS (Builder.io) and GTM instrumentation. Define standards for custom HTML tags, complex triggers, and data layer governance to ensure high-fidelity marketing analytics. - Custom Engineering & LWC (30%): Develop modular, standalone ES6+ JavaScript. A critical focus will be the development and maintenance of Salesforce Lightning Web Components (LWC) (optional but a bonus) to creat