KakaoBank news
The latest AI and developer news from KakaoBank, with short summaries.
Visit website →Who ate all those messages?
This covers the process of analyzing and resolving a concurrency issue caused by the ShardingSphere library in KakaoBank's notification tab system.
A Review of Cherry-Picking Spring Modulith on the Journey to MSA 🍒
KakaoBank shares its experience of grappling with domain boundary separation and applying Spring Modulith while transitioning a legacy monolith to MSA.
AWS GameDay 2025 Victory Story for Financial Companies 🏆
Kakao Bank's Container Platform Team won first place at AWS GameDay 2025, a hands-on cloud operations competition.
R.I.P. The Story of How the System I Built Crossed the Rainbow Bridge 🪦🍂
Kakao Bank shares the process and technical lessons behind the End Of Service (EOS) of the Oslo system, which was introduced to isolate failures, after 3 years.
In Search of KakaoBank's Idea Bankers: The BANKERTHON 2025 Story💡
KakaoBank held its first in-house hackathon, 'BANKERTHON 2025', to turn employees' creative ideas into real services.
A Festival for Hackers: DEFCON 32 and the CTF Finals Experience
The KakaoBank security team shares their experience attending the DEFCON 32 conference and participating in the CTF hacking defense competition finals.
How to Go to Singapore for Free (feat. Global Hackathon HackGlobal 2024)
KakaoBank developers share their journey from the HackSeoul preliminary round to advancing to the Singapore finals of the global hackathon AngelHack.
Finding the Missing Escape Character in Exposed (feat. MySQL)
This traces, through debugging, the cause of a MySQL escape string handling error that occurred while using the Exposed ORM.
A Grand Adventure to Make the Card Billing Amount Notification Service Independent
This covers the process by which KakaoBank separated the card billing amount notification service from the open banking system into a standalone system and migrated it.
Building a Fund Batch System with Airflow
KakaoBank adopted Airflow to perform efficient fund batch processing while complying with financial regulations in a cloud-native environment.
Save Me, Holmes! Rebuilding a Home Service Handling 30 Million Traffic at a Bank
KakaoBank successfully split its Home service into an MSA by moving away from a legacy monolithic server and applying Hexagonal Architecture and coroutines.
The Story of Building a REST API Data Mocking Tool ⚡
Kakao Bank developed its own REST API mocking tool 'Zeus' to improve development efficiency in a complex financial data environment.
The Truth or Myth of SOLID Every Developer Should Know
This piece corrects the history and misunderstandings surrounding the SOLID principles, a cornerstone of software design, and presents the right way to apply them.
KakaoBank Looks Back on if(kakaoAI)2024 ☕️
KakaoBank introduces key technical sessions presented at if(kakaoAI)2024, including an LLM evaluation framework and XAI acceleration.
A Look Back at KakaoBank's In-House Tech Conference Kode Runner 2024
KakaoBank held its in-house tech conference Kode Runner 2024 under the theme 'Structure makes Strength.'
Microsoft Build 2024 Through the Eyes of Two Engineers
KakaoBank AI engineers share the program structure and on-site atmosphere of MS Build 2024, which they attended.
How to Use AI Privately at Banks (feat. Azure)
This covers how KakaoBank builds its AI architecture using Azure while complying with financial security regulations.
AI That Reads Your Day, Development Story of the mini Diary Service
KakaoBank developed a service that transforms customers' daily moments into emotional diary entries using Azure OpenAI's ChatGPT technology.
DevSecOps and Security Inspection Automation Using VulShot
Kakao Bank's Blue Team shares its experience automating security inspection processes based on DevSecOps principles.
Predicting Cryptocurrency Prices with ChatGPT
The study explored the potential for price prediction in the highly volatile cryptocurrency market through ChatGPT's news sentiment analysis.