Staff Machine Learning Engineer - (AdTech)
@ Delivery Hero

Berlin, Germany
On Site
Full-time
Posted 3 days ago

Your Application Journey

Personalized Resume
Apply
Email Hiring Manager
Interview

Email Hiring Manager

XXXXXXXX XXXXXXXXXXX XXXXXXXXXX***** @deliveryhero.com
Recommended after applying

Job Details

Company Overview

As the world’s pioneering local delivery platform, Delivery Hero delivers an amazing, fast, and easy experience. Headquartered in Berlin, Germany, and operating in over 70 countries, Delivery Hero is one of Europe’s largest tech platforms.

Job Overview

Delivery Hero is seeking a Staff Machine Learning Engineer - AdTech (all genders) to join the Vendor Data tribe. The role is focused on designing and evolving large-scale machine learning systems that drive revenue and profitability through next-generation AdTech solutions.

Key Responsibilities

  • Drive design and evolution of ML systems aligning with strategic goals.
  • Lead cross-functional initiatives with product, engineering, and data science teams.
  • Architect scalable, reliable, and cost-efficient ML infrastructure.
  • Implement best practices for productionising ML services including testing and monitoring.
  • Mentor engineers and data scientists, raising overall technical standards.
  • Stay current with industry trends and emerging ML technologies.
  • Translate complex technical details into clear recommendations.

Qualifications

Candidates must have extensive experience in designing, deploying, and operating large-scale ML systems in production. Expert knowledge of ML frameworks (e.g., TensorFlow, PyTorch) and cloud platforms (AWS, GCP, Azure) is required. Proven leadership and strong systems-level problem-solving skills are essential.

Highly Desirable

  • AdTech experience in areas such as ads ranking, recommendations, or bidding.
  • Hands-on expertise with neural network models and reinforcement learning.
  • Ability to scale ML systems under strict latency and cost constraints.

Additional Information

Delivery Hero values diversity and inclusion. We encourage applicants to disclose any accommodations needed for the interview process. Please feel free to share your pronouns to ensure respectful communication.

Key skills/competency

Staff Machine Learning Engineer - AdTech: Machine Learning, AdTech, Production, Scalability, Cloud, TensorFlow, PyTorch, Kubernetes, Mentoring, Leadership

How to Get Hired at Delivery Hero

🎯 Tips for Getting Hired

  • Research Delivery Hero's culture: Study their mission, values, and current projects.
  • Customize your resume: Highlight relevant ML and AdTech experience.
  • Prepare technical answers: Focus on ML system design and scalability.
  • Show leadership skills: Emphasize mentoring and cross-team initiatives.

📝 Interview Preparation Advice

Technical Preparation

Review ML system design principles.
Practice cloud deployment on AWS/GCP/Azure.
Study containerization with Docker and Kubernetes.
Refresh TensorFlow and PyTorch usage.

Behavioral Questions

Describe a challenging ML project leadership.
Explain conflict resolution in cross-functional teams.
Illustrate your mentoring style.
Detail handling high-pressure technical decisions.

Frequently Asked Questions