Senior Frontend Engineer – JavaScript SDK
Their cross-publisher subscription model allows users to enjoy an ad- and tracking-free experience while supporting their favorite websites. With a network of over 500 publishers—including major names like Axel Springer, Burda, Hearst, and Prisa—the company is now scaling across additional international markets.
They’re looking to hire a Senior Frontend Engineer to take full ownership of their high-impact JavaScript SDK, which plays a critical role in delivering a seamless, privacy-first experience across billions of monthly page impressions.
The SDK integrates with various Consent Management Platforms (CMPs) and ensures compliance, performance, and a tracking-free experience across a wide range of web environments.
Own: Take full technical ownership of a JavaScript SDK integrated across 500+ publisher sites.
Maintain and extend support for CMPs like Sourcepoint, Didomi, and Usercentrics, including creating wrappers and handling edge cases.
Experience: 5+ years in frontend development, ideally working on SDKs or third-party browser integrations.
Strong proficiency in JavaScript, browser APIs, and modern Web standards.
Strong written and verbal communication skills (English), with the ability to articulate complex technical topics clearly.
Proactive, ownership-driven, and comfortable working in a lean, agile, and high-growth setting.
Contributions to open-source projects.
Hands-on debugging experience across browsers and devices.
Remote Flexibility: Work fully remotely from anywhere within CET ±2h.
Equity: Competitive salary plus equity options.