Mercari engineering team - Japan's largest C2C marketplace (and we are also in the US!) 🇺🇸Bangalore Office🇮🇳#MercariIndia @mercari_app @mercari_jp
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Joined November 2018
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Tech blog update📣
"Risk-based adaptive authentication bridges the gap between passwords and passkeys." We model accounts as a spectrum, phasing out weak, phishable factors according to risk, and guiding users toward more phishing-resistant states.
engineering.mercari.com/en/b…
This is “Rethinking Payment APIs at Merpay: The Exchange Abstraction” by haoyu, a Payment Platform Team at Merpay.
engineering.mercari.com/en/b…
[June 25th 18:00-19:00, Hybrid event]
@akiyamasho_dev from our AI/LLM Team will be presenting as a Panelist at "How Enterprises Are Adopting AI: Real Experiments, Challenges & Opportunities."
Sign up from the link below!
community.venturecafetokyo.o…
This is “Scaling Myself: How I Run 22 Claude Code Sessions for DS4 Migration” by cyan, a iOS Engineer at Mercoin.
engineering.mercari.com/en/b…
This is “Build First, Discuss Later: How Prototypes Speed Up Product Decisions” by kubomi, a iOS Engineer at Merpay.
engineering.mercari.com/en/b…
This is “Four Mechanisms Behind EGP Code, an AI-Powered Landing Page Editor” by mattsuu, a Frontend Engineer at Merpay.
engineering.mercari.com/en/b…
This is “Designing a Credit-Management Microservice for Partner Invoice Payment” by imamu, a Backend Engineer at Merpay.
engineering.mercari.com/en/b…
This is “Why we built EGP Code, an HTML-based AI editor for landing pages” by mattsuu, a Frontend Engineer at Merpay.
engineering.mercari.com/en/b…
At “Code w/ Claude 2026,” held on June 10, Mercari AI Taskforce’s Nakai will give a presentation titled “Towardhuman-on-the-loop—HowMercariistransformingoursoftwaredevelopmentintoAI-native”
English interpretation will be provided. We hope you'll join us.
claude.com/code-with-claude/…
We have 2 speakers presenting at #KubeCon + #CloudNativeCon Japan 2026 from Mercari!
Looking forward to seeing everyone at the venue!
events.linuxfoundation.org/k…
Ruslan, our Senior Software Engineer, will be presenting in the following session:
Jul 29, 15:50-16:20, Level 4 | 414+415
Taming Billions of Rows: Data Lifecycle Management Lessons from a Cloud-Native Database Migration
events.linuxfoundation.org/k…
#KubeCon + #CloudNativeCon
@junya__okabe, our Software Engineer, will be presenting in the following session:
Jul 30th. 11:30-12:00, Level 5 | 503
Beyond Translation: The Journey of Building the Japanese Kubernetes SIG Docs Community
events.linuxfoundation.org/k…
#KubeCon + #CloudNativeCon
Shogo, a PM intern at Mercari, developed a Claude Code Skill "mercari-pm-agent" during his internship.
This agent is designed to handle the entire PM workflow—from problem discovery, data collection to PRD creation, and UI mocking—all in a single session.
engineering.mercari.com/en/b…
Mercari Developers retweeted
fintech新規事業のデータアナリストチームでマネージャーをしているコンサル出身のikkiさんがコンサルとデータアナリストの親和性について書いてくれています！必見！！
note.com/mercari_data/n/n07f…
"Legacy Image Provider to Cloudflare Images: Traffic Estimation and Safe Rollout" by boyu from the Platform team is published!
This article focuses on the Cloudflare setup and safe rollout and explains the tradeoffs we made to reduce risk.
engineering.mercari.com/en/b…
Mercari is sponsoring #GopherCon 2026 as the Lanyard Sponsor!
Our engineering team from Japan is planning to attend and we look forward to meeting other Gophers at the event!
gophercon.com
Published "Safe Chunked Execution for Large-Scale Data Updates and Deletions" by @takaidohigasi from Mercari's DBRE team.
Here he explains how our new tool achieves both safety and operational manageability of the large-scale data updates and deletetions.
engineering.mercari.com/en/b…
Our SRE, Mitsuhiro Shibuya (@m4buya) will be speaking at #SREcon26 Americas! "It's Not Always the Network (But Here's How to Prove It): Kubernetes Packet Capture for SREs"
usenix.org/conference/srecon…
Mercari is sponsoring #laravellive Japan in May as a Silver Sponsor!
laravellive.jp/en
This article was written by @Bxttx.
NavEntryScope: the Android Hilt scope that should have existed. Share dependencies across ViewModels on the same screen.
engineering.mercari.com/en/b…