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Mid/Senior Marketing Data Analyst

  • By Barbara Rusek
  • 21 June 2021

Our client is looking for a Mid/Senior Data Analyst to assess the performance of engagement and conversion marketing activities and make recommendations for optimization. This is an exciting opportunity to join a newly formed team and develop KPIs, reports, attribution methods, and marketing strategies from scratch.

The Conversion Optimization team is a center of excellence for experiment standards and best practices. The team focuses on accelerating the step between introduction and maturity through growth experiments and AB testing. The team strategy and actions have a direct impact on total active subscribers and average revenue per paying user (ARPPU), two out of the three metrics their CEO considers when defining success for Brainly.


  • Developing reports across email, push notifications, SMS, on-site, and in-app marketing campaigns
  • Working with customer engagement marketing manager and data engineers to ensure marketers have access to user data needed for segmentation and targeting
  • Determining statistically significant A/B test winners
  • Analyzing conversion funnel
  • Synthesizing data to make recommendations for optimization
  • Analyzing user segments to determine appropriate level of segmentation and customization for different user groups: students, parents, and teachers


  • 3+ years of experience working as a data analyst across channels and platforms: organic and paid, web and mobile app, online and offline, upper funnel and lower funnel channels
  • Experience with AB testing – definition of KPIs and variants, analysis of results
  • Consumer subscription experience (nice to have)
Skills and systems
  • Required
    • Working knowledge of SQL
    • Working knowledge of Google Analytics
    • Experience using a data visualization tool (e.g. Tableau, Google Data Studio)
    • Good knowledge of AB testing methodology
  • Preferred
    • Experience with raw Google Analytics data processing in BigQuery
    • G Suite
    • Statistical background
    • R/Python knowledge


  • Drawing conclusions from data and proposing recommendations
  • Strong communication and presentation skills
  • Fluent English (in speaking and writing)
  • Strong attention to detail
  • Self-motivation and eagerness to come up with initiatives


  • Location: Kraków or Barcelona, or remotely from Poland/Spain
  • Level: mid or senior
  • Salary: mid 7 000 – 13 000 PLN, senior 12 000 – 16 000 PLN gross/monthly (employment contract)
  • Start date: as soon as possible (however, they’re happy to wait for the right person)

Some of their benefits (the final package will depend on the location):

  • Flexible working hours and the possibility to work remotely
  • Personal development budget 800$ per year +  unlimited time off policy for participation in conferences and workshops and access to an online learning platform with courses from Udemy, Harvard Manage Mentor and many others
  • Fully paid private health care packages for you and your family (dental care included) provided by Luxmed
  • Fully paid life insurance provided by Warta
  • Multisport Plus card
  • Access to the Mental Health Helpline – providing virtual support of external psychologists, psychotherapists, and coaches
  • AskHenry services – personal concierge services to help you to settle your everyday matters (like Ikea shopping or shoemaker visit)
  • Possibility to join one of their Employee Resource Groups and initiatives (Inclusion Council, Ladies at Brainly, Brainly Cares)
  • If needed, additional budget for work remote work accessories

Note: Prepare your CV in English (PDF), fill in the form, and apply!Please include in your CV the following clause necessary for the recruitment process:

I agree to the processing of personal data that I have made available voluntarily in the recruitment process by the Administrator of personal data, i.e. Dotcommunity Spółka z ograniczoną odpowiedzialnością [Ltd.] based in Cracow, 15 Żabiniec Street, 31-215 Cracow, registered in Poland, the Cracow’s District Court – Śródmieście, XI Commercial Division of the National Court Register under number 0000468484, VAT number: 9452174499, (“Dotcommunity”) in order to carry out the recruitment process for the Mid/Senior Marketing Data Analyst position on the basis of Art.6 item 1a of the Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation)”

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To apply for this job email your details to barbara.rusek@dotcommunity.eu