Senior Python Developer at Relocate

Rotterdam, Netherlands

Posted on Jul 06 2017 (17 days ago)


European citizens only

About the company

Coolblue. Once, it was only a college start-up. Today, it`s an online enterprise that`s made up of 8 physical stores and over 325 specialized webshops. Ever since we began in 1999, we`ve had but one goal: to make customers happy. We provide expert advice and we’re obsessed with customer satisfaction. Together, we work our butts off in order to amaze our customers.


As a Senior Python Developer, you make fresh collected data available to support company decisions.

  • You provide technical support to our Business Analysts, who transform your data to Actionable Insights.
  • Your technical expertise will make Coolblue smarter by assisting a data-driven decision making process.
  • You help develop scalable Data Pipelines in Python.
  • You are an all-rounder in a Scrum team. You'll have your own specialization, but you can also perform all other tasks within the team.
  • You prioritize your own work together with your team and Product Owner.
  • You'll work close to our Business Analysts and you will receive immediate feedback from them.
  • You coach your team members and provide feedback.
  • You employ the right tools for whatever job is thrown at you. You'll have a lot of opportunities to experiment new things. Airflow, Redshift, and BigQuery are technologies we're experimenting with at the moment.


You'll work in a Scrum team of 4 to 6 members, mostly consisting Python developers with a passion for data. The team is managed by a Team Lead. The Team’s backlog is curated by the Product Owner and Scrum Master. Your team works closely together with our Business Analysts and a team of Data Scientists, providing them with data they can readily use to support company decisions.

Your qualification

  • At least 5 years of experience as a developer.
  • At least 2 years of experience with Python.
  • Experience writing SQL queries.
  • You write extendable easy-to-read clean Python code.
  • Agile and flexibility come naturally to you.
  • You're a team player.
  • You're experienced when it comes to improving your colleagues' craftsmanship and technical skills.
  • You're willing to investigate what users want and why.
  • You're familiar with continuous integration systems that automate your code deployments.

Will be a plus

  • Experience as a Business Intelligence developer.
  • Experience with Kimball methodology.
  • Experience with Python concurrency frameworks (e.g. asyncio, gevent) and improving Python performance (e.g. using Cython, PyPy, Numba, etc.).
  • Experience with Redshift or BigQuery.

What we offer

  • Over 30 training courses at our own Coolblue University.
  • A 10% discount on all of our products.
  • An awesome workplace. With freshly prepared meals, monthly TGIF drinks, epic Coolblue parties, and an informal, playful office space.
  • 25 leave days. As long as you'll promise to come back.
  • Travel allowance and a retirement plan.
  • An office at the best possible location. It's only a short stumble away from Rotterdam Central Station. Or a 2-minute walk.
  • Relocation assistance, from a to z (if you live abroad).
  • Dutch language courses. To help you become a Rotterdammert.
  • An international work environment. With colleagues from places like Belgium, Spain, Australia, Mexico, and Italy.
  • Discount on a new bicycle. Because that's how we roll.
  • A job at one of the fastest-growing companies in the Benelux region.
  • Plenty of space for initiatives and original ideas. We welcome them. Whether you've been with us for a week, month, or year.



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