Bui Duc An
senior backend engineer · Ho Chi Minh City

Bui Duc An — Senior backend engineer

Ten years shipping systems on one crypto exchange, through its JFSA licence application, the FTX bankruptcy, and a US$140M asset return to customers.

Now building Custodiem's side of a Fireblocks-integrated transaction processor in C# for bitFlyer. Ho Chi Minh City · remote contractor or EOR.

Case studies → · Contact → · Đọc tiếng Việt →

At a glance

Current role
Senior Software Engineer at Custodiem Inc. (bitFlyer Group, formerly FTX Japan)
Track record
Same exchange platform Jun 2016 – present under three successive owners, JFSA-licensed since 2017. Led the engineering behind Liquid's licence application after two outsourced attempts had failed.
Stack
Ruby / Rails / Python / C# / PostgreSQL / AWS / Kubernetes / Fireblocks
Domain
JFSA regulatory reporting · KYC/AML (eKYC, World-Check) · fiat payment rails · crypto custody · exchange operations
Working style
Distributed teams across Japan and Singapore since 2016 · office through 2022, hybrid since · open to contractor or EOR (Deel, Remote.com, Multiplier)

This site is Vietnamese-first. The essays at ducan.today are personal writing, not portfolio. The English surface is the professional side.