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Commercial Data Scientist

Amsterdam, Netherlands Marktplaats
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Every month Marktplaats handles over 8 million unique visitors and 350.000 new advertisements each day making Marktplaats the largest online trading platform in the Netherlands. Consumer and professional sellers offer a large and varied assortment of used and new products. Every connection made or item found makes a difference by building a world where people share more and waste less. But we want to go even further - we are constantly changing our platform to deliver the experience our customers love. We are a mix of Dutch and Silicon Valley cultures; like both, we are an international team of passionate people who share a common interest in solving problems using software and data. We invite you to join us!

You will play an important role in the Paid search product (Admarkt) product which is part of the portfolio making Small and Medium sized businesses successful on our platforms. You will enable the team to better understand user behaviour and help to optimise the experience (buyside and sellside). We invite you to join us!

About the role:

Analysing rich datasets to deeply understand commercial sellers and buyers on our platform. Using machine learning to optimise what commercial content we show to which buyers. Being a key link between the commercial and data science teams to build a great product for our users.

Does this sound exciting? As a Data Scientist for the Commercial team you will be involved in integrating our paid search product (Admarkt) in a relevant way on Marktplaats, and Next to this you support the business teams and product teams in experimentation and product development. You are an important link between the data product team, the business team, and the development teams.

Key responsibilities include:

  • Find opportunities to improve our paid search product (Admarkt) product by analyzing user (both seller and buyer) behavior

  • Find opportunities to improve our platform with data products

  • Build data products that impact our users, from data exploration through model selection and evaluation to implementation

  • Collaborate with data teams to use existing data products to improve relevance for our customers

  • Design and set up experiments that enable us to understand where to focus our efforts

  • Validate the impact we make with new initiatives

  • Visualize and communicate your findings to product teams and other partners

  • Support the Marketing and Sales departments in their Customer Lifecycle Management by providing the right triggers to other systems (Salesforce, Adobe, Customer contact Centers)

Preferred Qualifications:

  • 5+ years of experience in an analytics or data science environment.

  • B.Sc. or M.Sc. degree in statistics, computer science, econometrics, mathematics, or other quantitative field

  • Experience with big data technologies, tools and languages, e.g. Hadoop, Hive, Spark and MLFlow

  • Knowledge of R and/or Python

  • Familiarity with experimentation (A/B testing) and related statistical methods

  • Creativity, initiative and drive

  • Superb communication (written/verbal) and presentation abilities in English

  • Knowledge of Machine Learning techniques, e.g. NLP, clustering and recommender systems

  • Strong drive to understand our data and users and build impactful data products

  • Understanding of Elastic search or similar solutions is preferred.

For you:

  • An opportunity to build applications, which will be used by millions of people globally

  • Dynamic, international teams with very skilled personalities, a passion for e-commerce, professionalism and a good sense of humour

  • Work on interesting models, like recommender systems, ranking, clustering and NLP

  • Being part of a global data community

  • A collaborative, dynamic and international work environment with self-organised, multi-disciplinary agile teams

  • The chance to make impact for SMB companies

  • A competitive salary, phenomenal benefits and an excellent working environment

  • Silicon Valley amenities, such as iPhones and MacBook Pros, exciting high spec dev machines and very nice office facilities

What we offer:

  • Meaningful work with diverse, international, highly skilled and passionate teams which give you the chance to make a difference in our customers’ lives.

  • International career opportunities throughout eCG.

  • Competitive compensation, conference & education budget. We value your personal and professional development.

  • A healthy work-life balance, i.e. part-time work, an additional paid parental leave time, flexible working hours including working from home options.

  • A great atmosphere, open-minded company culture with several social team activities (online and offline).

We love building opportunities for others by connecting people from widely diverse backgrounds, perspectives, and geographies. So, being diverse and inclusive isn’t just something we strive for, it is who we are, and part of what we do every single day. We want to ensure that as an employee, no matter who you are, you feel Marktplaats is a place where you feel safe, included, and that you have the opportunity to bring your unique self to work. To learn about us click here:


People are the heart of the Marktplaats and their health and well-being are our first priority.

We continue to monitor local government guidance and partner closely with medical advisors to determine the safest and best next steps for everyone. As a result, most teams are working remotely, with a few teams able to collaborate in person with enhanced safety procedures. We will discuss the particular case for your region during the interview process. As a general rule, interviews will be completed remotely over video calls.

Marktplaats is a part of the eBay Classifieds Group

eBay Inc. is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status.  If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at  We will make every effort to respond to your request for disability assistance as soon as possible.

For more information see:  EEO is the Law Poster and EEO is the Law Poster Supplement

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