Senior Data Scientist (Logistics, Service)

We are on the lookout for a Senior Data Scientist (NLP) - Logistics, Service (all genders) to join our team to help us create outstanding customer service products using NLP, machine learning and generative AI.

You will join the Service Data Science squad on our mission to automate and optimize interactions with customers, making sure they have a high quality experience which scales as our business grows. We pride ourselves on our ability to connect research and theory to practical problems, and to bring our solutions to production systems. The squad is supported by an amazing team of ML Engineers who build reusable tooling, so our Data Scientists are able to focus on solving the modelling challenges. We also integrate closely with product teams so that we keep connected to the needs of the organization.

If you are a creative problem solver who is hungry for a new adventure, a diverse, international and inclusive workplace is waiting for you in the heart of Berlin!

Your mission:

• Conceptualize the right modelling approach for challenges in the field of Customer Service at scale, together with your squad lead and our stakeholders, using cutting-edge research to inform your decisions

• Build solutions end-to-end from inception to production-grade systems - including research & prototyping, gathering data requirements, cross-team alignment, product development, experimentation, deployment and monitoring.

• Contribute and make an impact in a global, fast-moving tech organization.

• Have fun and grow together with your team.

• You have 5+ years of experience working as a Data Scientist in industry, or in equivalent academic roles

• You have experience applying machine learning or statistical methods to real-world datasets and a proven track record of delivering data science solutions to production systems.

• You are familiar with classical NLP and NLU problems, such as text classification, summarisation, translation, NER and speech-to-text.

• You are familiar with libraries such as HF Transformers, SpaCY, pytorch or JAX, as well as gen-ai tooling such as llama.cpp, langchain or similar. You also understand typical Generative AI model architectures such as transformers, VAE or GANs, frameworks such as  Retrieval Augmented Generation, and are familiar with finetuning methods such as LORA.

• You are fluent in Python, and familiar with a range of scientific and statistical libraries. Other languages are a bonus!

• You have a strong working knowledge of AB testing, and experience of designing and analysing experiments to inform the development of products

• You have experience with a range of software engineering tools including Git, Docker, cloud technologies (GCP/AWS), Kubernetes, CI/CD, and pipeline tools such as Metaflow.

• You write maintainable code that follows best practices in software engineering.

• You are fluent in English.

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.

• Ensuring you and all our Heroes are looked after, happy, and healthy is always on the menu. Because if you’re in good shape, then we’re in good shape.

• Make the most of our hybrid working model and join the team for face-to-face connection and collaboration in our beautiful Berlin campus 2 days a week

• We offer 27 days holiday with an extra day on 2nd and 3rd year of service

• We will support you in developing yourself and your career growth opportunities: 1.000 € Educational Budget, Language Courses, Parental Support and access to the Udemy Business platform to explore a variety of online courses.

• Get moving and release those wonderful, mind-boosting endorphins: Health Checkups, Meditation, Yoga, Gym & Bicycle Subsidy

• Cash. Dough. Cheddar. Whatever you call it, we’ll help you with it: Employee Share Purchase Plan, Sabbatical Bank,  Public Transportation Ticket Discount, Life & Accident Insurance, Corporate Pension Plan

• The power of getting together over some food is unrivaled. Here are a few ways to help you do that. All the yum: Digital Meal Vouchers, Food Vouchers, Corporate Discounts. Courses.

• Ready to join our team? If you’re excited to grow, collaborate and be part of the world’s leading delivery platform, we’d love to hear from you. Apply today!

At Delivery Hero, we believe diversity and inclusion are key to creating not only an exciting product, but also an amazing customer and employee experience. Fostering this starts with hiring -- therefore we do not discriminate on the basis of racial identities, religious beliefs, color, national origin, gender identities or expressions, sexual orientations, age, marital or disability statuses, or any other aspect that makes you, you. Just be yourself and we can’t wait to see what value you bring to the role. We're as interested in your character as we are in your talent.

We believe diversity and inclusion are key to creating not only an exciting product, but also an amazing customer and employee experience. Fostering this starts with hiring - therefore we do not discriminate on the basis of racial identities, religious beliefs, color, national origin, gender identities or expressions, sexual orientations, age, marital or disability statuses, or any other aspect that makes you, you. We encourage you to let us know if you need any accommodations or specific accessibility support to ensure a smooth interview experience—just include it in your application. You're welcome to share your pronouns (he/she/they) right from the start so we can address you respectfully from our first contact.