Senior Data Scientist - Experimentation & Testing

With over a million customers trusting PayJoy, it’s increasingly important that our apps and services operate with integrity and high availability while keeping our customers' data confidential.

You are excited about driving business value through the design of experiments in collaboration with a variety of teams (such as product, operations, risk) across a variety of channels (such as app changes, printed advertising, customer interactions). We have basic tools in place to assign customers to different experimental groups. You will develop and iterate the processes that we can use to run and interpret our experiments.

You are excited to be a part of an early stage data science team shaping the future of many aspects of data science at PayJoy. You are eager to leverage your experience in experimental design to lay the foundations of our data science experimentation practices that will allow us to confidently make recommendations to business partners.


  • Collaborate with partners to translate business questions into experiments that you can run and interpret
  • Develop standardized end-to-end processes to propose, document, set up, start, monitor, and close an experiment
  • Work with stakeholders to determine appropriate metrics to track balancing business value against time to making a decision
  • Requirements

  • There are no firm requirements for your background, as there are many different successful paths in data science. It is likely one or more of the following describes your experience:
  • 3+ years of industry experience in designing and interpreting results from experiments in consumer products
  • 5+ years of industry experience primarily working with data (for example as a data scientist, software engineer, or other technical role)
  • Fluent in SQL, proficient in Python, and comfortable with dashboarding tools like Mode
  • Bachelor's degree or higher with a focus in a field of a science, engineering, or mathematics
  • Benefits

  • Company-funded health, dental, and vision insurance for employee and immediate family
  • Company-funded employee life and disability insurance
  • 401k contribution
  • Company holidays; 15 days vacation (20 at 3rd year); unlimited sick leave
  • Annual fitness benefit ($500); professional development benefit ($2000), and international travel benefit ($2000)
  • Commuter benefit
  • Headphone benefit
  • About PayJoy
    PayJoy's mission is to deliver access to credit to the next billion people in emerging markets worldwide. Our unique mobile locking technology gives customers the ability to afford their first smartphone on credit, using the phone itself as collateral, and then provides further access to credit to help weather life's unexpected financial surprises and climb the ladder of economic well-being.

    Founded in 2015, today PayJoy has reached millions of customers in a dozen countries around the globe, including Mexico, Brazil, India, Kenya, and South Africa, and is on a strong growth path with support from major industry partners to bring credit to millions in the near future.

    PayJoy is proud to be an Equal Employment Opportunity employer and we welcome and encourage people of all backgrounds. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

    PayJoy Principles
    Finance for the next billion * Ownership * Break Through Walls * High-Bandwidth Communication * Transparency & Directness * Focus on Scale * Work-Life Balance * Embrace Diversity

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