Sr. Applied Scientist

Zalando's Performance Marketing department is creating and deepening relationships with consumers outside of Zalando premises by showcasing our digital ads. We’re marketing Zalando’s flawless choice, our best in fashion inspiration and the shopping convenience our customers love. We use the latest technology to make our ads relevant and engaging to consumers while fully respecting customer privacy.

Our Applied Science team for Performance Measurement collaborates with product management, engineering and analytics to innovate our best-in-industry performance marketing engine, primarily focusing on systems to measure the incremental value of marketing activities.

The Senior Applied Scientist role is critical for optimising our 9-figure marketing investments on platforms like Google and Meta, as you help to accurately and continuously measure and attribute the incremental return of every Euro spent.

Your contributions will improve key components of marketing measurement models we apply for marketing campaign attribution and their calibration to accurately mirror the incremental performance of marketing investments, and the continuous generation of incrementally insights via controlled experiments, causal inference and machine learning.

WHAT WE’D LOVE YOU TO DO (AND LOVE DOING)

We are looking for a strong highly-technical fast-learner problem solver to work on complex problems of measurement and steering within performance marketing at Zalando. 

You will join a team of Applied Scientists working on

• Measuring the impact of marketing through the entire marketing funnel

• Optimizing the efficiency of the investment of performance marketing. 

• Optimizing the steering of marketing investment at Zalando to make sure we meet profitability targets. 

• Developing solutions that optimize the marketing investments at product level. 

To address those problems, the team uses: 

• Complex A/B testing set-up

• Causal inference

• Classical ML modelling on tabular data / Time series forecasting 

• A lot of data exploration and analysis

We work in a complex large data environment that requires advanced technical and coding skills.  

As a Senior Applied Scientist in Performance Marketing, we expect that you will be impacting the team throughout all the problems that we are working on. 

 

WE'D LOVE TO MEET YOU IF

We’re looking for proficiency in the following areas in order to succeed in this role

• Strong academic background in machine learning, economics, or artificial intelligence, accompanied by 2+ years of industry experience.

• Proven track record of independently tackling concrete research problems and autonomously finding a path to a simple and fast solution, before iteration.

• Advanced coding skills in Python as well as experience with common big data processing and manipulation tools such as PySpark and SQL. Experience in reviewing the code of others and improving the coding culture within a team.

• Experience in supervising more junior colleagues, as well as organising learning. 

• Good communication skills to translate (even complex) analytical / engineering decisions and outcomes to both peers and a broader, non-technical audience.

Good to have:

• MLops experience: deploying models to production, writing unit/integration tests, and documentation. Experience with Airflow, MLFlow. Bonus: experience setting up an ML solution in a real-time environment. 

• Experience in designing scalable and maintainable ML solutions. 

• Experience in A/B testing in a complex setup. 

• Applications of causal inference to industry problems. 

• Ability to navigate a complex data environment and to identify relevant data for a product. 

• Experience / domain knowledge in performance marketing.  

OUR OFFER

Zalando provides a range of benefits, here’s an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer.

• Employee shares program

• 40% off fashion and beauty products sold and shipped by