Engineering Kafka Burst Latency: How We Optimized AWS Glue with MSK Ingestion At PayPay Card, we operate a multi-tenant Kafka cluster that powers a variety of real-time…Daniel Li2025-11-05
Engineering Turning Historical Incidents into AI Insights: RAG-Enhanced LLM Approach to Code Review In the AI-driven world of software development, data has become the new gold, and postmortem…Truong Nguyen2025-10-24
Engineering Breaking Up With WebViews How Mari san moved from quick fixes to a calm native first approach with Server…Aman Tonk2025-08-27
Engineering Shift Left Testing Approach At PayPay: Effectiveness and Implementation Introduction In today's fast-paced software development world, delivering high-quality software quickly is necessary. Traditional testing…Rahul Kumar2025-08-14
Engineering Introduction To Time Series Monitoring At PayPay, we strive to continuously improve our internal developer toolset to ensure not only…Daniel2025-06-15
Engineering Timeout Testing in Software: Its Necessity, Methods, and HAProxy as a Tool for Simulating Timeout Scenarios Co-authors: Manoj Kumar, Rahul Kumar. In the realm of software testing, performance and reliability are…Manoj Kumar2025-03-24
Engineering Scaling PayPay with Rust In the 6 year history of PayPay, we have experienced rapid growth. We now serve…Ross Sullivan2025-02-19
Engineering Navigating Complexity: The Migration Journey of PayPay’s Point System In this article, we’ll explore the motivations behind our decision to undertake the migration of…Denny Angkasa2024-11-06
Engineering Processing data with large partition skew with Spark As our product becomes more popular, the number of transactions that we handle daily keeps…Deniz Evrenci2021-06-17
Engineering The role that Data as a Service has at PayPay Paypay uses different data storage solutions in it’s microservices, such as SQL Database, NewSql Database,…Zheren Yu2021-01-21