Senior Principal Applied Scientist - Catalog/Search Ranking (all genders)

Location
Berlin
Contract
Full time
Job Category
Software Engineering - Machine Learning

Senior Principal Applied Scientist - Catalog and Search Ranking (all genders)

The Ranking team at Zalando assists customers in their fashion discovery journey and helps them find what they are looking for. We are developing the next generation of our discovery systems, utilising state-of-the-art Deep Learning, Transformer-Based models and Reinforcement Learning, to create highly personalised and engaging customer experiences by optimizing our ranking algorithms for the Search and Catalog experiences.

As a Senior Principal Applied Scientist, you will address challenging fashion problems using cutting-edge approaches. You will contribute to drive our scientific roadmap, applying your scientific capabilities and in collaboration with a team of exceptional scientists and engineers developing models and cutting-edge machine learning products that enhance the experience of over 53 million customers.

WHERE YOUR EXPERTISE IS NEEDED

  • Utilise your extensive scientific experience in researching, deploying, and architecting machine learning and deep learning solutions, particularly in Deep Learning, Transformer-Based Models, Multi-objective optimisation models and Reinforcement learning to enhance the conversion journey of millions of our customers through product selection and ranking. Collaborate with multiple teams to create a cutting-edge science stack that aligns with the product strategy and drive architectural and design principles.

  • Develop long-term roadmaps for research topics that span multiple product areas and address concrete business goals. As part of the leadership team, be the sparring partner and trusted advisor for Zalando senior leadership and advise on investments in people, strategic direction and make or buy decisions.

  • Act as a mentor and guide to senior and principal scientists, and actively share knowledge and expertise within Zalando’s science community.

  • Forge close partnerships with applied science leaders and product managers, to deliver state-of-the-art machine learning solutions to our customers and uncover new opportunities for growth. This includes driving and delivering large delivery projects with high uncertainty in production, applying the scientific approach to solve complex challenges, and communicating and aligning with other teams, stakeholders, and senior leadership. You will support and work on deploying, developing, implementing, testing, and researching ML models for personalisation, ranking, recommendations for our Search and Catalog Experience.

WHAT WE ARE LOOKING FOR

  • PhD in Machine Learning, Control Theory, Operations Research, or related fields (or equivalent experience), accompanied by 8+ years of industry experience, especially in deep reinforcement learning, multi-armed bandits, or large-scale sequential decision-making systems, ideally applied to content selection, personalization, or ranking in feed-based products.

  • Experience leading and shaping the scientific roadmap of teams in products that span across multiple areas and working with senior Applied Science leaders. Ability to discover new business opportunities collaborating with product, science, and engineering managers and solve business problems through scientific solutions.

  • Extensive track record of addressing real-world problems using machine learning throughout the entire product cycle, and raises department and Zalando’s best practice in methods, algorithms and technology, including architecture, design patterns, and research roadmaps.

  • Authority on deep learning and extensive track record in leveraging research to advance the state of the art, including strong publication records

  • Extensive hands-on experience in deep learning with proficiency in Python and frameworks like PyTorch or TensorFlow for RL implementations. Proficiency in cloud computing platforms such as AWS is also required.

PERKS AT WORK

  • 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 selected 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.

ABOUT ZALANDO

Zalando is Europe’s leading online platform for fashion, connecting customers, brands and partners across 23 markets. We drive digital solutions for fashion, logistics, advertising and research, bringing head-to-toe fashion to more than 52 million active customers through diverse skill-sets, interests and languages our teams choose to use.

Recruiter

Shilpa Mishra

shilpa.mishra@zalando.de

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Unsere Software Engineering Teams setzen Software umfangreich ein, managen eine breite Palette von Anwendungen und führen tausende von Deployments pro Woche durch. Diese Teams machen Zalando als Europas führende digitale Multi-Brand Plattform für Mode, Beauty und Lifestyle für unsere Partner und Kund*innen erst möglich. Als Zalando Software Engineer bist du Teil einer Community von tausenden Kolleg*innen in ganz Europa.

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Über Zalando

Es ist die perfekte Zeit, sich Zalando auf unserer Reise anzuschließen, das führende E-Commerce-Ökosystem für den europäischen Mode- und Lifestyle-Markt aufzubauen. Hilf uns, rund 50 Millionen aktiven Kund*innen in 25 Märkten ein inspirierendes und qualitätsorientiertes Einkaufserlebnis für Mode- und Lifestyle-Produkte zahlreicher Marken aus einer Hand zu bieten. Oder sei Teil unserer Zalando Logistik-, Software- und Service-Infrastruktur, um Marken und Einzelhändler bei ihren E-Commerce-Transaktionen in ganz Europa zu unterstützen – sowohl auf als auch außerhalb der Zalando Plattform. Komm zu uns, um mit diesem Ökosystem einen positiven Wandel in der Mode- und Lifestylebranche zu bewirken.

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