Data Engineer, Data Insights

Remote OK - Anywhere in Japan
Full-time
May 22, 2025

PayPay’s growth is driving a rapid expansion of PayPay product teams and the need for a robust Data Engineering Platform to support our growing business needs is more critical than ever. We are looking for a Data Engineer for the Data Insights department. The Data Insights department's mission is to drive product improvements by engineering systems founded on a scientific understanding of user and merchant behavior.

Main Responsibilities

Design, develop, and maintain scalable data ingestion pipelines using AWS Glue, Step Functions, Lambda, and Terraform
Design, build, and maintain infrastructure to continuously support the improvement and deployment of ML models
Optimize and manage large scale data pipelines to ensure high performance, reliability, and efficiency
Implement data processing workflows using Hudi, Delta Lake, Spark, and Scala
Maintain and enhance Lakeformation and Glue Data Catalog for effective data management and discovery
Collaborate with cross-functional teams to ensure seamless data flow and integration across the organization
Implement best practices for observability, data governance, security, and compliance

Qualifications

5+ years experience as a Data Engineer or in a similar role
Some familiarity with building machine learning systems, or data infrastructures supporting machine learning development and deployment is preferable
Hands-on experience with Apache Hudi, Delta Lake, Spark, and Scala
Experience designing, building, and operating a DataLake or Data Warehouse
Knowledge of Data Orchestration tools such as Airflow, Dagster, Prefect
Strong expertise in AWS services, including Glue, Step Functions, Lambda, and EMR
Familiarity with change data capture tools like Canal, Debezium, and Maxwell
Experience with data warehousing tools like AWS Athena, BigQuery, Databricks
Proficiency in Python and SQL (any variant), preferably experience in Scala and/or Java
Experience with data cataloging and metadata management using AWS Glue Data Catalog, Lakeformation, or Unity Catalog
Proficiency in Terraform for infrastructure as code (IaC)
Overall understanding of machine learning technologies and deep learning concepts
Strong problem-solving skills and ability to troubleshoot complex data issues
Excellent communication and collaboration skills
Ability to work in a fast-paced, dynamic environment and manage multiple tasks simultaneously

APPLY NOW ➜

About PayPay

PayPay, a FinTech company that has achieved more than 69M users (as of May 2025) 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.

Japanese Language Policy
At PayPay, there is a mixture of Japanese and English spoken. Around 80% of their product team’s discussions happen in English, and they have technical interpreters and translators on staff to facilitate any translation necessary. Some members can speak both English and Japanese, but some can only speak either English or Japanese.

PayPay doesn’t have an official shared language, but in practice English tends to be the primary language used for internal communications and technical discussions like code reviews.

Instead of requiring that everyone be able to speak a specific language, PayPay expects an ability to communicate with mutual respect and a drive to ensure that you’re understood. The product team values proactive communication highly.
Visa Sponsorship
PayPay sponsors visas for applicants from overseas.
Paid Leave
- Days Off: Saturdays and Sundays. National holidays. Year-end and New Year holidays.
- Holidays: Annual paid leave, congratulatory or condolence leave, maternity leave and etc.
Benefits
🌎 Translation/interpretation support (EN<>JP)

🧡 Support for translation or other administrative tasks in Japanese

👍 Support from bilingual PIC for engineers

🇯🇵 Free Japanese lessons on company time

💻 PC and phone are given (based on the company’s regulations)

👩‍🎓 Training Program: We have various training programs for different kinds of needs

💜 Social security/insurance benefits included

💛 Defined contribution pension system (TBC)

🏥 Health insurance

🚃 Transportation coverage (up to ¥150,000/mo)
Engineer Interview Process
PayPay's Hiring process are as below:
- Application Review (English CV is required)
- Coding Test or Take Home Assignment (only applied to required positions)
- 3-4 Interviews (including both technical and behavioral interviews)
- Offer Meeting
Remote Work
PayPay is committed to maintaining a "Day 1" mindset, bringing to life visions of the future that no one else can even imagine. At PayPay, we provide an environment where everyone can deliver outstanding performance as professionals, through a flexible work style that includes remote and office.
Work style
- Super Flex Time with no core time
- In principle, from 9:00am-5:45pm (actual working hours: 7h45m + 1h break)