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Senior Applied Scientist - Zalando Lounge (All genders)

Closing date
6 Sep 2022

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Senior Manager

Job Details

Zalando Lounge is the fastest-growing sales channel of Zalando. In 2021 we grew by ca. 49%, breaching more than one billion EUR in yearly revenue for the first time. That's 14% of total Zalando Group revenue.

At the core of our high-growth strategy are personalization and product discovery. Zalando Lounge's main premise is to offer exclusive bargain deals with limited availability to fashion-conscious customers. As such, our business presents a number of unique challenges and opportunities for our recommender systems.

We are looking for senior applied scientists who can help us revolutionize the product discovery experience at Lounge. You will drive our optimization effort that combines high-load low-latency engineering and machine learning, and help our customers in their treasure hunt.

  • You'll push the boundaries of product recommendation systems and product discovery experience at Zalando Lounge
  • You'll develop and operate highly-available, high-throughput low-latency recommender systems together with our engineers
  • You'll help us shape and define new features and how we measure customer experience
  • You'll champion evidence-based optimization, and define best practices for experimentation and measurement
  • You'll shape and define R&D roadmap for recommender systems at Zalando Lounge

  • At least one peer-reviewed publication in a domain closely related to recommender systems (please include in your application)
  • 3+ years of experience in improving production recommender systems (preferably in the domain of e-commerce, advertising, social media, search engines or similar)
  • 4+ years of experience in software development (Python, Java or related languages)
  • Outcome oriented pragmatic mindset
  • Practical experience with one or more of the following tools and technologies: Vowpal Wabbit, CatBoost, XgBoost, Tensorflow, MLflow, Kubeflow, Scikit-learn, Python, Java
  • Knowledge or experience in one or more of the following topics: user response modelling, gradient boosting, deep learning, representation learning, online learning, experimentation, reinforcement learning, bandit algorithms


Zalando’s Global Lounge department is looking for a Senior Applied Scientist to help us become the Starting Point for Fashion for our customers, and the platform of choice for our brands. Our three Global Catalog Teams supply the core Product, Brand, Media and Category technology and data to enable Zalando and our partners to provide our customers with a flawless assortment.

  • 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 only 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.


Zalando is Europe’s leading online platform for fashion, connecting customers, brands and partners across 17 markets. We drive digital solutions for fashion, logistics, advertising and research, bringing head-to-toe fashion to more than 42+ million active customers through diverse skill-sets, interests and languages our teams choose to use.

Within Zalando Lounge, you will work with many autonomous teams that live up to the standards of software craftsmanship, ownership and excellence. Along with our guiding set of principles we entrust you and your team to shape the future of Zalando.

It’s the perfect time to join Zalando on our journey, from being a pioneer in the world of e-commerce, to the Starting Point for fashion in Europe. We connect customers, brands, and partners across 23 markets. Help us drive digital and sustainable solutions for fashion, logistics, advertising and research, bringing head-to-toe fashion to almost 49 million active customers through a team of diverse skill-sets, cultural backgrounds, and interests. Our values: do.More - our sustainability strategy:
Follow us on Instagram:
Please note that all applications must be completed using the online form - we do not accept applications via email.


At Zalando, our vision is to be the Starting Point for Fashion - one that is inclusive by design. We only assess candidates based on qualifications, merit, and business needs. We welcome applications from people of all gender identities, sexual orientations, personal expressions, racial identities, ethnicities, religious beliefs, and disability statuses. We only want to know why you’re great for this role, so please avoid including your picture, age, and marital status in your CV as well.

We want to provide you with a great candidate experience. Please feel free to inform us of any accommodations you may need, so we can best support and assist you throughout the hiring process. do.BETTER - our diversity & inclusion strategy:
Our employee resource groups:


Career Development
â- We offer peer-to-peer performance reviews twice a year
â- Learn and develop through our extensive Zalando training platform
â- Join regular all-hands, team meetings, Q&A-sessions, and quarterly
anonymous employee surveys to ask your questions and provide your
â- Support from an international team of experts; mentoring and professional
development opportunities

â- 2 days paid leave per year for volunteering
â- Minimum of 27 holiday days per calendar year
â- Online sports courses, wellbeing, and nutrition advice offered by Humanoo
personal wellbeing coach app
â- Mental wellbeing support by our Employee Assistance Program and
professional consultants to help you find health resources

â- Flexible working hours
â- Relocation assistance available - subject to prior agreement
â- Home office equipment available for hybrid working, to support you working
from home
â- Hybrid working model with 60% remote per week
â- Opportunity to work from abroad for 30 (working) days per calendar year

â- Access to the employee shares program
â- 40% shopping discount on products shipped and sold by Zalando, and 30% discount on Zalando Lounge
â- Discounts from a wide range of external partners

â- Employee parents’ forums and employee resource group
â- Supported transition into and out of parental leave, with a buddy and re- onboarding plan
â- 3 fully-paid child sick days per year
â- Free counseling, assistance, and referral service for all matters concerning yourself and your family via the Fürstenberg Institute


Zalando is Europe’s leading online platform for fashion and lifestyle. Founded in Berlin in 2008, we bring head-to-toe fashion to 35 million active customers in 17 markets, offering clothing, footwear, accessories and beauty from over 3,000 international brands.

Our platform is a one-stop fashion destination for inspiration, innovation and interaction. As Europe’s most fashionable tech company, we work hard to find digital solutions for every aspect of the fashion journey: for our customers, partners and every valuable player in the Zalando story.

Our goal is to become the starting point for fashion. We focus on the fashion industry and therefore operate in a variety of business areas.

  • Fashion Store
    Zalando online shops are tailored to local customers’ needs in 17 different European markets. The range extends from renowned global brands and fast fashion to local brands and is supplemented by our private labels.
  • Offprice
    The Offprice business of Zalando serves the sale of previous season’s assortments. As part of a shopping club, the Zalando Lounge offers registered members exclusive sales campaigns at discounted prices.
  • Zalando's Private Labels
    Zalando’s private label assortment includes shoes, clothing and accessories for women, men and children. With a total of six private labels, Zalando creates its own products, covering the entire value chain from design to sales.
  • Zalon
    Zalon is our style advice service, via which customers can consult and get inspiration from selected stylists regarding individualized purchases.
  • Zalando Marketing Services
    The entirety of Zalando’s expertise and scope is bundled in Zalando Marketing Services, which now offers personalized marketing solutions for our brand partners.
  • Zalando Fulfilment Solutions
    Zalando makes its own logistics capabilities available to external partners, so they do not have to be concerned with infrastructure issues but can concentrate fully on their core competence in the fashion business.
  • Zalando Partner Services
    Zalando helps other players in the industry to be successful in the digital world. For example, by connecting warehouse stocks with multiple retailers, by digitizing processes involved in fashion wholesale and by integrating offline businesses into our Zalando platform.

With a strong workforce of around 14,000 employees of over 130 different nationalities, Zalando unites diverse people, capabilities and concepts. Consolidating our effort and ideas scales our impact as an innovator in Fashion, Technology, Digital Marketing and Logistics Operations.

Find Us
+49 (0)30 2759 4693
Zalando SE
Valeska-Gert-Straße 5

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