Senior Data Scientist - Insights | London hub

Join to apply for the Senior Data Scientist - Insights | London hub role at Preply.

At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalized learning journey, and stay motivated to keep growing. Our approach is human‑led, tech‑enabled – and it’s creating real impact. So far, 90,000 tutors have delivered over 20 million lessons to learners in more than 175 countries. Every Preply lesson sparks change, fuels ambition, and drives progress that matters.

Meet the team! At Preply, data is at the heart of every decision we make. We run hundreds of A/B tests to continually optimize our product, each with its own analytical and tracking challenges. The complexity of our subscription model, along with the unique dynamics of tutor‑learner interactions, offers an exciting opportunity for those looking to make a real impact.

As a Senior Data Scientist - Insights, you will be a key player in shaping the future of our product and driving our strategy forward. Embedded within a cross‑functional squad, you’ll collaborate closely with product managers, tech leads, designers, and other key stakeholders to deliver data‑driven insights that shape business decisions.

Our Data Team is dedicated to empowering top‑quality decision‑making. Do you want to know how? Visit our Tech Radar to learn about the technologies we use at Preply!

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• Develop a deep understanding of the dynamics of our product, including user behavior and the economics of Preply’s marketplace.
  
• Focus on the continuous improvement of our platform by gathering and analyzing data to uncover valuable insights that will shape product evolution and strategy.
  
• Analyze customer behavior and product usage, improve our understanding of what drives retention and effectively communicate findings to both technical and non‑technical stakeholders to drive informed decision‑making.
  
• Quantify and model the impact of new product features and initiatives, identifying growth opportunities and contributing to the prioritization of our product roadmap.
  
• Help define key performance indicators, tracking events, and engagement metrics that align with business goals and product improvements.
  
• Design, execute, and evaluate large‑scale experiments to test new ideas and measure their effectiveness in driving business outcomes.
  
• Build strong relationships with data and technical leaders to foster collaboration and drive cross‑team initiatives.
  

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• Experience in data analytics working with product teams, experimenting and uncovering opportunities for product optimization.
  
• Experience designing and analyzing A/B tests with a strong grasp of relevant statistical concepts.
  
• Strong understanding of data analysis concepts such as conversion, LTV, cohort analysis, retention, etc.
  
• Proficiency in one or more programming languages (e.g., SQL, Python), with the ability to write efficient and scalable code.
  
• Curiosity, problem‑solving and critical‑thinking skills, as well as the ability to proactively identify and address challenges.
  
• Ability to craft compelling stories with data and communicate complex insights in a clear and engaging way, driving change among diverse stakeholders.
  
• Interest in the bigger picture, feeling excited to impact the product roadmap and strategy.
  

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• Background in 2‑sided marketplaces or digital businesses (B2B, B2C, B2B2C).
  
• Experience with product analytics tools (e.g., Amplitude, Mixpanel, Heap).
  
• Familiarity with machine learning techniques and how they can be applied to enhance user behavior predictions or product recommendations.
  
• Familiarity with data visualization tools (e.g., Tableau, Looker, Power BI).
  
• Master’s degree or PhD in a quantitative field.
  
• Previous experience in mentoring or coaching others.
  

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• An open, collaborative, dynamic and diverse culture;
  
• A generous monthly allowance for lessons on Preply.com, Learning & Development budget and time off for your self‑development;
  
• A competitive financial package with equity, leave allowance and health insurance;
  
• Access to free mental health support platforms;
  
• The opportunity to unlock the potential of learners and tutors through language learning and teaching in 175 countries (and counting!).
  
• Care to change the world – We are passionate about our work and care deeply about its impact to be life changing.
  
• We do it for learners – For both Preply and tutors, learners are why we do what we do. Every day we focus on empowering tutors to deliver an exceptional learning experience.
  
• Keep perfecting – To create an outstanding customer experience, we focus on simplicity, smoothness, and enjoyment, continually perfecting it as every detail matters.
  
• Now is the time – In a fast‑paced world, it matters how quickly we act. Now is the time to make great things happen.
  
• Disciplined execution – What makes us disciplined is the excellence in our execution. We set clear goals, focus on what matters, and utilize our resources efficiently.
  
• Dive deep – We leverage business acumen and curiosity to investigate disparities between numbers and stories, unlocking meaningful insights to guide our decisions.
  
• Growth mindset – We proactively seek growth opportunities and believe today's best performance becomes tomorrow's starting point. We humbly embrace feedback and learn from setbacks.
  
• Raise the bar – We raise our performance standards continuously, alongside each new hire and promotion. We build diverse and high‑performing teams that can make a real difference.
  
• Challenge, disagree and commit – We value open and candid communication, even when we don’t fully agree. We speak our minds, challenge when necessary, and fully commit to decisions once made.
  
• One Preply – We prioritize collaboration, inclusion, and the success of our team over personal ambitions. Together, we support and celebrate each other’s progress.
  

Preply.com is committed to creating an inclusive environment where people of diverse backgrounds can thrive. We believe that the presence of different opinions and viewpoints is a key ingredient for our success as a multicultural Ed‑Tech company. That means that Preply will consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status.

Mid‑Senior level

Full‑time

Engineering and Information Technology

Technology, Information and Internet