Mid-Level Front End Engineer [AdTech focus] (f/m/d)
<div class="show-more-less-html__markup show-more-less-html__markup--clamp-after-5 relative overflow-hidden"> Your mission<br/><p>We are looking for a Front End Engineer to join our cross functional Core Experience team and help them help our neighbors connect with one another!</p><br/><p>Technical Stewardship</p><br/><ul><br/><li>Take ownership of the frontend architecture and technical direction of the Core user experience team, ensuring scalability, performance, reliability, and long-term maintainability.</li><br/><li>Be an active participant in the evolution of our React-based frontend, including state management, SSR in Node.js, and build tooling (Vite, Webpack, Rollup, CI/CD).</li><br/><li>Uphold engineering standards for clean code, testing, performance, accessibility, and security.</li><br/><li>Participate in technical decision-making and ensure alignment with backend, platform, and product architecture.</li><br/></ul><br/><p>Delivery & Execution</p><br/><ul><br/><li>Collaboratively deliver outcomes with your cross functional team: planning, prioritisation, predictability, and quality.</li><br/><li>Commit to user value deliveries each sprint and consistently meet those commitments.</li><br/><li>Work closely with Product Management and Design to translate business and user needs into executable technical roadmaps.</li><br/><li>Balance technical debt, platform evolution, and feature delivery in a sustainable way.</li><br/></ul><br/>Your profile<br/><ul><br/><li>3-7 years of experience building robust, scalable, and performant web applications using React and the modern JavaScript/TypeScript ecosystem.</li><br/><li>Experience with topics in our environment:</li><br/><li>Braze</li><br/><li>Google Ads Manager</li><br/><li>Google Tag Manager</li><br/><li>Cookieless Targeting</li><br/><li>EUID implementations</li><br/><li>Deep understanding of React, state management patterns (e.g. Redux or alternatives), and frontend architecture principles.</li><br/><li>Hands-on experience with technical integration of advertising platforms, including ad serving, tracking implementation, and tag management.</li><br/><li>Experience with Server-Side Rendering (e.g. Node.js), modern build tooling (Vite, Webpack, Rollup), and CI/CD pipelines.</li><br/><li>Proven ability to collaborate closely with UX/UI designers, backend engineers, and product managers.</li><br/><li>Strong ownership mindset: you care about outcomes, not just output.</li><br/><li>Excellent English skills for working in our international team; German is a plus.</li><br/></ul><br/>What we offer<br/><ul><br/><li>A meaningful role with purpose – we create a great product that delivers real value to local communities</li><br/><li>Working in a cheerful and experienced team that actively exchanges knowledge and learns from one another</li><br/><li>A high level of responsibility and ample opportunities to actively contribute and make an impact</li><br/><li>Your nebenan.de SpenditCard – you receive an additional €35 per month to spend on benefits of your choice</li><br/><li>30 days of paid vacation per year, plus the option for workation models and a sabbatical</li><br/><li>A strengths-based development culture (we work with the Gallup StrengthsFinder)</li><br/><li>A workplace in Berlin-Kreuzberg and regular events such as Lunch Roulette, Lunch & Learn, and Yoga</li><br/><li>A hybrid working model combining office and remote work days</li></ul> </div>