Blog
Building Card Transaction Processing at Slash
$4B processed in 2025. Now one of the largest commercial fintech on Visa by processing volume. This is the engineering story behind scaling our card infrastructure 30x in a year.
Author:
Jimmy Deng
Slash engineering: How we build
We believe small, high-agency teams can build massive systems. That belief has shaped Slash from the beginning. This blog captures the culture, principles, and compounding effects behind how we engineer.
Blog
Building Banking-Grade Stablecoin Rails at Slash
Slash crossed $1B in stablecoin payment volume in under a year. Here’s how Slash built banking-grade stablecoin movement with Flow of Funds orchestration and an on-chain execution lifecycle, making USDC/USDT settle into USD fast, predictable, and fee-efficient.
Author:
Arman Shah
Blog
Blog
Blog
Blog
Scaling 1M lines of TypeScript: Registries
A design pattern called Registries we use to scale our 1M-line TypeScript codebase
Author:
Jason Jiang
Blog
Puzzle
Type challenge: Datadog Logs Preview
Generate a link to a log with filters for Datadog with Typescript types
A day in the life at Slash
Get to know the people behind Slash. Our team members share a glimpse into their daily work, their journeys, and what it’s like to build the future with us.
Jason Jiang
Engineering, Ex-Founder of Wrath Software (3m+ lifetime profit)
Jimmy Deng
Engineering, Employee #1 at Slash
Nicolas Brillante
Growth, Ex-Founder of Ominous, PokeMRKT, TheBotBible (4m+ lifetime profit)
Help us build systems that scale
Join the Slash team shaping how businesses move money.