Applied Scientist – Machine Learning & DL – Size & Fit

Applied Scientist – Machine Learning & DL – Size & Fit
Zalando SE - Berlin, Germany
Full Time
Engineering & Technical
AI Design Python

As an Applied Scientist in the Size and Fit organisation you will engage in creating bold research experiments with today’s most exciting approaches such as Deep Learning, Computer Vision, NLP, Reinforcement Learning to tackle important customer problems.


  • Design and build focused and scalable ML/DL experiments tackling the challenge problem of predicting and recommending the right size and fit for millions of Zalando customers
  • Passionate about solving real world challenging customer problems at scale using ML/DL
  • Aspire to being a thought leader and make a difference with Data Science and Machine Learning- share ideas, discuss different approaches, and contribute in mentoring and developing your colleagues
  • Contribute to the community by publishing the results of your work in most exciting international conferences (see our papers in CVPR, ICCV, Recsys, SIGKDD, SIAM), and engage in top research workshops on Fashion AI (FashionxRecsys, CVFAD) 


  • Ph.D or equivalent experience in Machine Learning, Deep Learning, Data Science
  • Solid experience building fit-for-purpose ML/DL models 
  • Track record of publications and achievements in academia or industry
  • Expert in Python (and packages like numpy, scipy, pandas),TensorFlow (keras, slim), Pytorch, Caffe2
  • Be encouraged to work autonomously, take ownership of data science initiatives and drive excellence



Culture of trust, empowerment and constructive feedback, open source commitment, meetups, game nights, 70+ internal technical and fun guilds, knowledge sharing through tech talks, internal tech academy and blogs, product demos, parties & events

  • Competitive salary, employee share shop, 40% Zalando shopping discount, discounts from external partners, centrally located offices, public transport discounts, municipality services, great IT equipment, flexible working times, additional holidays and volunteering time off, free beverages and fruits, diverse sports and health offerings
  • Extensive onboarding, mentoring and personal development opportunities and an international team of experts
  • Relocation assistance for internationals, PME family service and parent & child rooms* (*available in select locations)
  • We celebrate diversity and are committed to building teams that represent a variety of backgrounds, perspectives and skills. All employment is decided on the basis of qualifications, merit and business need.



At Zalando we deeply understand that Size and Fit Matters, and are excited to use our unique and huge article and customer datasets to tackle this challenge using novel ML techniques. How about you; would you like to bring in your skills to shape a great experience for your family and friends when buying clothes and shoes online?

You will join our multi-disciplinary Berlin based Size and Fit Org., composed of Machine Learning / Deep Learning researchers, engineers, and full stack developers from 20 different nationalities. We provide recommendations and predictions on customer size and fit choices, and conduct focused experiments using emerging technologies to solve the challenges.

Working side by side with other Product Specialists and Fitting Experts you will take on this complex and important topic. Your mission is to assist customers as they navigate the vast Zalando fashion catalog using fit characteristics that make sense to them.

We have great problems to solve, a huge customer base to impact and are a team that loves to have fun. Size and Fit is a human topic. We use machines to help solve our customers’ challenges. But we never forget – size and fit success is defined by how customers feel when they wear fashion.