Principal Engineer - AdTech

As the world’s pioneering local delivery platform, our mission is to deliver an amazing experience, fast, easy, and to your door. We operate in over 70+ countries worldwide, powered by tech, designed by people. As one of Europe’s largest tech platforms, headquartered in Berlin, Germany. Delivery Hero has been listed on the Frankfurt Stock Exchange since 2017 and is part of the MDAX stock market index. We enable creative minds to deliver solutions that create impact within our ecosystem. We move fast, take action and adapt. No matter where you're from or what you believe in, we build, we deliver, we lead. We are Delivery Hero.

Job DescriptionWe are looking for a Principal Engineer to join our AdTech tribe in Berlin.

You will act as a technical leader within our Demand Adtech Domain, driving the architectural vision of our next-generation AdTech products. This platform empowers restaurants and local shops to promote themselves and reach new customers at a massive scale.You will play a pivotal role in a geographically distributed tribe of over 14 squads. While our squads move quickly with a "we build it, we run it" principle, your role is to ensure these solutions are cohesive, scalable, and future-proof. You will bridge the gap between business goals and technical execution, optimizing the customer experience across more than 10 million orders per day.

Your Mission:

• Collaborate closely with Engineering and Product to define technical goals and deliver high value to stakeholders and customers.
• Lead architecture discussions across domains and tribes, representing the tribe in reviews and identifying improvements.
• Set high engineering standards through mentorship (especially for Senior and Staff engineers) and by leading with best practices.
• Drive future-oriented technical decisions via RFCs and similar tools, aligning teams on scalable solutions and improvements.
• Conduct regular reviews on reliability, scalability, and security at the tribe level.
• Champion Agentic coding practices across engineering teams, identifying adoption opportunities and establishing guidelines that improve developer productivity and system resilience.