Senior Data Science Engineer / Senior Machine Learning Engineer (Applied Insights)

Location: Hybrid workstyle with expected office attendance in Japan

Company

hirify.global is a FinTech company operating a digital payment product with more than 75 million users.

What you will do

• Design, implement, evaluate, and maintain machine learning models for prediction, recommendation, anti-fraud, and other product use cases.
• Own the full model lifecycle from problem framing through production deployment.
• Lead architectural decisions for data science systems.
• Process, analyze, and visualize user and merchant data to generate insights for product and business strategy.
• Collaborate with data engineers, product managers, and stakeholders to build robust production systems.

Requirements

• Bachelor’s degree in a quantitative field such as Computer Science, Machine Learning, Mathematics, Statistics, Economics, or Physics, or equivalent experience.
• More than five years of experience as a data scientist, machine learning engineer, or in an equivalent role.
• Professional experience with Python and SQL.
• Verbal and written English communication skills required; English is the primary working language.

Nice to have

• Master’s degree or PhD in a quantitative field.
• Experience with Big Data technologies such as BigQuery, Spark, Hadoop, Redshift, Kafka, or Kinesis.
• Experience with recommendation systems, deep learning, NLP, optimization, or anti-fraud systems.
• Experience with AWS services, Databricks, Snowflake, A/B testing, hypothesis testing, or microservices.
• Japanese communication skills.

Culture & Benefits

• Full-time employment with a super-flex work schedule and no core time.
• Annual leave, personal leave, and special paid leave for health and family-related needs.
• Health, pension, employment, and compensation insurance, plus a 401K plan.
• Visa sponsorship and relocation support are available.
• Translation and interpretation support.