AI BriefingKakao Pay news
The latest AI and developer news from Kakao Pay, with short summaries.
Visit website →'Geum.Yong.Sa.' Service Where AI Explains Difficult Financial Terms Simply
The Kakao Pay team used AWS AI services to develop the 'Geum.Yong.Sa.' service, which explains difficult financial terms and recommends related products.
Developer Mindset in the AI Era, Seen Through a Hackathon Experience
The Kakaopay development team built AIVA, an AI recruiting assistant that analyzes resumes and technical assignments, through a hackathon.
Next.js Troubleshooting: From Root Cause to Fix for CORS and Version Skew Errors
Shares hands-on experience analyzing and resolving CORS errors and Version Skew issues occurring in a Next.js SSR environment.
Building Kakao Pay's Credit Core with DDD (Domain Driven Design)
Kakao Pay shares the process of internalizing its credit core system by applying DDD to efficiently manage its complex credit business.
The Pursuit of 99.999%: Surviving with Multi & Hybrid Clusters
Kakaopay Securities built a multi and hybrid cluster environment using AWS, IDC, and KakaoCloud to achieve 99.999% service availability.
Where Generative AI Meets Finance: A Voice Consultation Chatbot for Loans
Kakao Pay implemented a voice consultation chatbot that recommends personalized loan products using AWS AI services.
Adding Emotion and Intelligence to Transaction History: A Special Financial Experience Built with Image Calendars and Natural Language Search
Using AI, a financial management service was implemented that visualizes transaction history as an image calendar and supports natural language search.
Apache Pinot Operational Know-how for Real-time OLAP
KakaoPay shares the cluster configuration and incident response know-how it gained while operating **Apache Pinot**, a real-time OLAP solution.
How PreparedStatement Works in Applications
Analyzes the internal implementation of how PreparedStatement operates across various layers such as Hibernate, HikariCP, and MySQL Connector/J.
The 2nd KakaoPay Hackathon: Inside the 2025 CafeTon Event
KakaoPay held its in-house hackathon '2025 CafeTon' offline, leveraging AWS Generative AI.
Exploring Search Functionality Using OpenSearch Analyzer
This article looks at how to use OpenSearch's Analyzer to tokenize data and implement sophisticated search functionality.
For a Better Environment: The Story of Developer Platform Optimization
Kakaopay Securities built an internal developer platform (IDP) called **WECAN** to boost engineering productivity while complying with financial regulations.
Writing Intent-Clear Code with Functional Programming and Effect Systems
It presents a method for explicitly managing side effects and improving code predictability by leveraging Effect Systems.
Practical Test Code Writing Know-How Part 3: Escaping Given Hell - The Snowball Strategy
Proposes a reuse strategy using Fixtures and java-test-fixtures to simplify complex test Given clauses.
AWS re:Invent 2024 Computing Summary
At re:Invent 2024, AWS showcased technologies for improved computing performance and cost savings through the Nitro System, Graviton, and Trainium.
AWS re:Invent 2024 Recap: AI Part 2
AWS strengthened AI model training and service development efficiency through SageMaker and Bedrock updates.
AWS re:Invent 2024 Summary: AI Part 1
This summarizes generative AI adoption and implementation cases in the financial sector, including hedge funds and banks, introduced at AWS re:Invent 2024.
Building a Team-Optimized API Server with Ktor
This post covers the process of adopting Ktor to fit KakaoPay's development environment and configuring an API server.
AWS re:Invent 2024 Summary: Databases and Storage
At AWS re:Invent 2024, Aurora DSQL with unlimited scalability and Apache Iceberg-based S3 Tables were unveiled.
Feature Flag Development Story: A Journey Toward Real-Time Data Synchronization
Kakao Pay developed a feature flag platform utilizing Redis Pub/Sub and Polling for real-time data synchronization between the admin and serving servers.