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Team Missions
- To drive product improvements by engineering systems founded on a scientific understanding of user and merchant behavior
- Our scope of work spans engineering, product science, data science, machine learning, statistical inference, optimization, and BI analytics
Responsibilities
- Drive product innovations and improvements with scientific research and analysis
- Conduct experiments and hypothesis testing to understand user and merchant behavior
- Measure and monitor product KPIs to identify product opportunities and successes
- Process, analyze, and create visualizations for both structured and unstructured data
- Collaborate with engineers, product managers, designers, and stakeholders to quickly iterate the product development cycle
Required Qualifications
- Bachelors in a quantitative field such as Computer Science, Mathematics, Statistics, Machine Learning, or equivalent
- Solid background in experimental design, data analytics, and scientific research
- Excellent verbal and written communication skills in English and/or Japanese
- More than three years of experience as a data scientist, product scientist, machine learning engineer, or equivalent role
- Proficiency in at least one primary language (e.g., Java, Scala, Python) and SQL (any variant)
- Experience working effectively with cross-functional teams
Preferred Qualifications
- Masters or PhD in a quantitative field such as Computer Science, Mathematics, Statistics, Operations Research, Machine Learning, or equivalent
- More than five years of experience as a data scientist, product scientist, machine learning engineer, or equivalent role
- Experience with Big Data technologies like BigQuery, Spark, Hadoop, AWS Redshift, Kafka, or Kinesis streaming
- Experience with AWS services such as Glue, SageMaker, Athena, and S3
- A track record of working in a fast-paced environment and dealing with ambiguous requirements
- Experience designing experiments with causal inference
About PayPay
PayPay, a FinTech company that has achieved more than 65M users (as of August 2024) within around six years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan.
The company has a diverse team of professionals from more than 50 countries and is building a world-class engineering organization.
PayPay's biggest competitor is "cash". They are seeking people who can accept this challenge positively, brush up on the product at a tremendous speed that other companies could never achieve, and who are passionate about promoting and spreading such a financial life platform in a short time along with professionalism.
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