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Senior Data Scientist, R and/or Python Developer in Barcelona

Vista

Workplace
Onsite
Hours
Full-Time
Internship
No
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Job Description

The Online Marketing Data & Technology team at Vistaprint is looking for an R or Python developer with experience in Data Science / Machine Learning. We are passionate about data, automation, API’s, statistical models, technology and innovation. We are responsible for building R or Python scripts which can solve complex use cases by dealing with big amounts of data and being able to communicate with other platforms via API’s or other web services. Our main internal clients are the Search Engine Marketing and the Display Advertising teams, which are among the top Google, Facebook and Microsoft Bing customers in spend.

By joining our team, you will be spending most of the time on data manipulation (pulling new data sources, merging data, building dashboards, …) and on building scripts for intelligent task automation (which might involve machine learning). You will spend around 20% of the time working on Machine Learning related projects.

 

Your role will involve:

  • Learning and practicing new tools in an ambitious technical environment that combines both hacking skills, web technologies and real-time data;
  • Supporting the online marketing channels through automation of tasks, processes and best practices by building R/Python scripts. For example, picking the best adgroup for a keyword, automating tasks through browser automation (we do often use Selenium), sending email alerts when certain conditions are met, etc;
  • Locating, accessing and merging data from different data sources via API’s or web services. You will leverage Google, Bing, Facebook and other partners’ API libraries and our Big Data stack via R/Python, so as to extract relevant data and transform these into opportunities;
  • Enriching our marketing data stack by using Cloud capabilities such as Microsoft Azure, AWS, Google Cloud Platform. For example, building a process to import daily data coming from Facebook or Google Ads while making sure the data is accurate;
  • Utilizing data science & machine learning to automate and optimize marketing campaigns and processes. Machine learning projects do include for example bidding optimization (across platforms, geographies, channels, audiences, devices, campaigns), marketing segmentation/audience creation, attribution models, forecasting weekly spend/revenue, predicting the value of ad-clicks, etc;
  • Developing tools & reports to enable effective monitoring and automated alerting;
  • Building predictive models to channel opportunities across different geographies and products;
  • Working closely with Analytics, Business Intelligence & Developer teams to further enhance our data platform and the most impactful prototypes.

 

Requirements:

  • University degree in Statistics, Mathematics or Physics (a PhD is a plus);
  • Knowledge of R and/or Python;
  • Basic knowledge of SQL;
  • Proven experience in Data Science / Machine learning, in particular with Bayesian statistics – either in the business or the academic environment.

       

Considered as a plus:

We will value any previous work experience and some background in:

  • data.table package in R or pandas in Python;
  • Google Ads, Search Engine Marketing or Display Advertising;
  • Big Data and cloud technologies (any of Microsoft Azure, Google Cloud Platform, AWS);
  • Google Ads and Facebook API’s;
  • Data visualization tools (e.g. Tableau);
  • Google Analytics / website analytics platforms.

 

What it is for you:

  • Initial training period where you will learn our data & technology infrastructure, tools and business needs;
  • Learning by doing, large autonomy, continuous development opportunities, great colleagues and teammates, working on projects that can have a real impact on decisions & results;
  • Great compensation package and comprehensive benefits;
  • Flexible working hours;
  • Free food, drinks, fresh fruit;
  • And more!

 

If the above sounds interesting to you don’t hesitate to apply (using a resume in English), we look forward to hearing from you!

#LI-SC1


Job Segment: Scientific, Database, Social Media, Scientist, Advertising, Engineering, Technology, Marketing, Science


 

About Vista

  • Ecommerce

  • Waltham, MA, USA

  • 5,000 - 10,000

  • 1995

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