![](https://events.merpay.com/techfest-2023/assets/kimuras-b65337cc.png) |
Keynote Shunya Kimura |
![](https://events.merpay.com/techfest-2023/assets/kimuras-b65337cc.png)
![](https://events.merpay.com/techfest-2023/assets/keigow-d98347ba.png)
![](https://events.merpay.com/techfest-2023/assets/nu2-db55c3e4.png) |
How to Unleash Fintech Shunya Kimura , Keigo Watanabe , Noriaki Utsunomiya |
![](https://events.merpay.com/techfest-2023/assets/kenken_merpay-32a2782c.png)
![](https://events.merpay.com/techfest-2023/assets/shinmiy-5baa44f3.png) |
1週間リリースを支えるAndroid自動テスト運用のその後 Kenta Takahashi , Shintaro Miyabe |
![](https://events.merpay.com/techfest-2023/assets/kenmaz-7524f598.png) |
Merpay iOSのGroundUp Appへの移行 kenmaz |
![](https://events.merpay.com/techfest-2023/assets/takeshi-4ce6c27c.png) |
Merpay iOSにおけるSwift Concurrency対応の挫折と今後 Takeshi Sato |
![](https://events.merpay.com/techfest-2023/assets/andooown-6454a46a.png) |
SwiftUIでビットコインの価格チャートを改善・再実装した話 andooown |
![](data:image/png;base64,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フロントエンドチームのスキルテスト評価システム改善の取り組み tokuda109 |
![](https://events.merpay.com/techfest-2023/assets/Hal-c933b43d.png)
![](https://events.merpay.com/techfest-2023/assets/arvinh-b771c2d9.png)
![](https://events.merpay.com/techfest-2023/assets/benhsieh-d6add507.png)
![](https://events.merpay.com/techfest-2023/assets/jas-3a345cc3.png) |
WYSIWYGウェブページビルダーを支える技術的マジックの裏側 Hal Amano , Arvin Huang , Ben Hsieh , Jas Chen |
![](https://events.merpay.com/techfest-2023/assets/codechaitu-6de682ea.png) |
メルカリのカスタマージャーニーにおける不正防止の取り組み codechaitu |
![](https://events.merpay.com/techfest-2023/assets/tim-45249ecf.png)
![](https://events.merpay.com/techfest-2023/assets/mann-1969fe75.png)
![](https://events.merpay.com/techfest-2023/assets/chris-1b8829bc.png) |
日本におけるお客さま本人確認と今後の技術的課題 Tim Tosi , Manpreet Kaur , Christophe Labonne |
![](https://events.merpay.com/techfest-2023/assets/koi-52ba609b.png)
![](https://events.merpay.com/techfest-2023/assets/kokukuma-6c7fcb1f.png)
![](https://events.merpay.com/techfest-2023/assets/daichiro-4d00b987.png)
![](https://events.merpay.com/techfest-2023/assets/hidey-bb2890e3.png) |
メルカリへのFIDO導入の経緯とこれからの展望、課題から得た学び koi , kokukuma , daichiro , hidey |
![](https://events.merpay.com/techfest-2023/assets/pedro-a169c7ca.png) |
メルペイのあと払いとスマートマネーを支える返済基盤マイクロサービスの進化 Peichong Cui |
![](https://events.merpay.com/techfest-2023/assets/Rupesh-37e39daf.png) |
拡張性を備えたソフトウェア設計 Rupesh Agrawal |
![](https://events.merpay.com/techfest-2023/assets/kazuya-feae7291.png)
![](https://events.merpay.com/techfest-2023/assets/ksoichiro-5cbeef61.png)
![](https://events.merpay.com/techfest-2023/assets/mikael-51e1995d.png) |
発行枚数100万枚を支えたメルカードGrowth施策の裏側 Kazuya Kawashima , Soichiro Kashima , Mikael |
![](data:image/png;base64,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) |
メルカードの常時ポイント還元開発の裏側 keitaj |
![](https://events.merpay.com/techfest-2023/assets/shiv3-7533f78d.png) |
メルペイ加盟店売上精算の仕組み Takumi Shibazaki |
![](https://events.merpay.com/techfest-2023/assets/a-r-g-v-f54390f2.png) |
GoによるSQLクエリテストの取り組み Yuki Mukasa |
![](https://events.merpay.com/techfest-2023/assets/Liu-6bed0f27.png)
![](https://events.merpay.com/techfest-2023/assets/Li-df6bd9b1.png) |
発生可能な取引の属性データを用いた素早い不正検知 Liu , Li |
![](https://events.merpay.com/techfest-2023/assets/shuuk-e7d0ef9a.png)
![](https://events.merpay.com/techfest-2023/assets/haruki-39805199.png)
![](https://events.merpay.com/techfest-2023/assets/yukis-181d3984.png) |
メルペイMLにおける機械学習の品質保証とリスク管理 shuuk , Haruki Kaneko , Yuki Saito |
![](https://events.merpay.com/techfest-2023/assets/maze-d75851b3.png)
![](https://events.merpay.com/techfest-2023/assets/tori-8bbd243a.png)
![](https://events.merpay.com/techfest-2023/assets/nu2-db55c3e4.png)
![](https://events.merpay.com/techfest-2023/assets/hmj-0f8c3ee3.png) |
Merpay & MercoinにおけるLLM活用の取り組み Yuki Ishikawa , Daisuke Torigoe , Noriaki Utsunomiya , hmj |
![](https://events.merpay.com/techfest-2023/assets/hyrrot-47aa24c3.png) |
BigQueryのデータ監視社内サービスを作った話 Hirobumi Takahashi |
![](https://events.merpay.com/techfest-2023/assets/goro-334c75dc.png) |
社内用GitHub Actionsのセキュリティガイドラインを作成した話 Toshiki Kawamura |
![](https://events.merpay.com/techfest-2023/assets/gouki-115971b2.png) |
BigQueryのコンピューティングリソース管理の取り組み Go Kojima |
![](https://events.merpay.com/techfest-2023/assets/vvakame-2093e246.png)
![](https://events.merpay.com/techfest-2023/assets/hiraku-031e0ab4.png)
![](https://events.merpay.com/techfest-2023/assets/tanaka0325-96eb2c09.png) |
fake clock microservice -時刻をハックしてテストする方法- vvakame , Hiraku Nakano , Hiroyuki Tanaka |
![](https://events.merpay.com/techfest-2023/assets/m-iino-ad50baf8.png)
![](https://events.merpay.com/techfest-2023/assets/yuhara-e13c6942.png) |
メルコインのインフラ設計・構築と、信頼性のあるサービスをリリースするためのSREの取り組み Masaki Iino , Takaaki Yuhara |
![](https://events.merpay.com/techfest-2023/assets/pobo380-a243fad6.png) |
メルコインにおけるシステム間のデータ分離を実現するための通信アーキテクチャ Kohei Noda |
![](https://events.merpay.com/techfest-2023/assets/robert-700db6f9.png)
![](https://events.merpay.com/techfest-2023/assets/keigoand-a71a209e.png)
![](https://events.merpay.com/techfest-2023/assets/Sumil-f8287e65.png) |
Building a Global environment at Merpay: India & Japan Robert Jerovsek , Keigo Andrade , Sumil Panicker |
![](https://events.merpay.com/techfest-2023/assets/y-sakamoto-5d570c2e.png)
![](https://events.merpay.com/techfest-2023/assets/satomasa-06030aec.png) |
なめらかなFintech QAを実現するためにテストケースフォーマットを標準化した話 Yuki Sakamoto , Masatoshi Sato |
![](https://events.merpay.com/techfest-2023/assets/foghost-70d814a3.png) |
メルコイン決済基盤の実践話 Junwei Liang |
![](https://events.merpay.com/techfest-2023/assets/susho-916e21bd.png) |
メルコイン決済マイクロサービスのトランザクション管理を支える技術 Shota Suzuki |
![](https://events.merpay.com/techfest-2023/assets/keigow-d98347ba.png)
![](https://events.merpay.com/techfest-2023/assets/osamingo-e35a3f8d.png)
![](https://events.merpay.com/techfest-2023/assets/fivestar-7e00c1a5.png) |
Merpay Engineering Career Talk Keigo Watanabe , Osamu Tonomori , Katsuhiro Ogawa |
![](https://events.merpay.com/techfest-2023/assets/goccy-70413798.png) |
gRPC Federation を利用した巨大なBFFサービスに対するリアーキテクチャの試み goccy |
![](https://events.merpay.com/techfest-2023/assets/kazegusuri-6b68305e.png) |
Enabling ProgramのEngineering Headをちょっとやってみている Masahiro Sano |