Data Scientist // Peak

September 26, 2019


Peak’s mission is to improve people’s quality of life in a fun way. Founded in 2013, Peak has grown quickly, producing Peak – Brain Training, the number 1 brain training app on mobile with more than 50 million users in 14 different languages. Our app was chosen by both Apple and Google as one of the best apps available and is regularly featured by both as leading example of mobile technology.

This year has been an exciting year as we have launched a new app, Rise, aimed to help users sleep better, as part of the company’s plan to grow in the health and wellness verticals. Rise has already been featured by both Google and Apple.

What You Will Do:

The team provides analytics and data science expertise across multiple apps and business units – be a trusted resource for colleagues and promote data-driven decision making at all levels. The work is diverse, but responsibilities will include

  • Develop metrics and tools to better understand the engagement of millions of users
  • Use Machine Learning tools to build predictive and descriptive models of user behaviour
  • Own your own projects from start to finish and work with the lead data scientist to deliver BI and data science results
  • Work across the whole business testing hypotheses (A/B testing) and delivering insights for the product, marketing, tech and design teams
  • Mentor more junior members of the team

Skills You Will Have:

  • 3+ years of commercial experience in data
  • Analytics/Statistics experience
  • Strong SQL and Python background
  • A/B testing experience
  • Used advanced machine learning techniques
  • Excellent communication skills
  • A curious mind

Skills You Might Have or Be Willing To Learn:

  • BI visualisation tools eg Looker
  • AWS experience
  • Data engineering experience
  • Use of deep learning methods


We aim high in everything we do. We believe we can have a real impact on the world. We also recognise that to do this we need to be open to new ideas and to challenge one another every day to ensure real personal and professional growth. Ultimately, we care about each other and we know that we will succeed as a team (it’s why we make time to play pool, board games and video games together.) In our view, ambition, openness and teamwork are the surest way to achieve our amazing goals.

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