CareerPlan

Senior JavaScript Engineer (m/f/d) – Focus on Web Performance & SDK

Berlin / RemoteRemoteFull-time2025-12-22 → 2026-11-10
Remote

Core

Design, develop, and evolve a high-performance web SDK for privacy compliance and cross-publisher monetization, managing communication with Consent Management Platforms (CMPs) at scale.

Role type

Senior JavaScript/TypeScript Engineer (SDK & Web Performance)

Builds

A scalable web SDK integrated into partner websites for privacy compliance and content monetization

Domain

Adtech / Privacy Technology

Required skills

JavaScript, TypeScript, browser internals, web APIs, SDK development, cross-browser debugging, browser networking, privacy mechanisms, security

Preferred skills

Privacy tech, adtech, CMP integrations, Node.js, CI/CD, performance profiling, browser automation, content blocking

Technologies

TypeScript, JavaScript, Node.js

Responsibilities

Own the design, development, and evolution of the web SDK; Ensure high performance, reliability, and scalability for billions of monthly impressions; Debug complex browser and integration issues across different environments; Champion best practices for security, maintainability, and developer experience

Seniority

Senior, hands-on IC