Tech – Tools & Craft – Notion

Thoughts on the future of work,
from the people and teams creating it.

Tech

Tech

— How we’re building Notion, block by block.

hero-illustration-v2

How we evolve code: Notion’s “ratcheting” system using custom ESLint rules

Our custom ESLint approach gradually modernizes code without slowing development. By systematically tracking violations and distributing the workload of fixing them, we maintain high code-quality standards while keeping engineers focused on what matters most.

Ankit Sardesai, Jake Teton-Landis

Gretchen - Emojis

How we built custom emoji

Our challenge: load millions of personalized, sometimes animated emojis into a workspace without breaking everything. As we strive to make Notion the happiest workspace on earth, it was a technical puzzle worth solving.

Henry Chiu

Hero for Data Catalog

A brief history of Notion’s data catalog

From chaos to clarity: How Notion transformed its data catalog for better efficiency and insights with TypeScript, JSON Schema, and LLMs.

Wendy Jiao, Parul Baweja, Evelyn Wou

Redis queue hero

Observability for Notion’s Redis Queue

Enhancing infrastructure visibility and performance with a queue proxy service

Grace Nguyen, Xiaoya He

Engineering

WASM thumbnail image

How we sped up Notion in the browser with WASM SQLite

You might have noticed that browsing Notion recently got faster. It's 20 percent faster, to be precise. Here's how we did it.

Carlo Francisco

Software engineer

Data Lake thumbnail

Building and scaling Notion’s data lake

In the past 3 years Notion's data has expanded 10x. Here's how we built our data lake to manage this growth.

XZ Tie, Nathan Louie, Thomas Chow, Darin Im, Abhishek Modi, Wendy Jiao

Android Smile thumbnail

Notion on Android is now more than twice as fast to launch

Here's our approach to optimizing app startup and our ongoing efforts to enhance the mobile experience for all our Android users.

Karn Saheb

Engineering

gen-z-workforce

Gen Z is changing the way we work. Are companies prepared?

Companies need to listen to the next generation of workers and adopt tools that work for all employees. The knowledge workers of today aren’t afraid to demand change, and the companies that aren’t open to it risk losing their best and brightest new talent.

Robbie O'Connor

GM, EMEA, Notion

Reshard thumbnail

The Great Re-shard: adding Postgres capacity (again) with zero downtime

How we horizontally re-sharded our databases (and nobody noticed).

Arka Ganguli, Tanner Johnson, Ben Kraft, Nathan Northcutt

Infrastructure Engineering

Notion API thumbnail

Creating the Notion API

The ability to access Notion content through an API is one of the top requested features from our users. Learn about how we designed our REST API to meet the challenge of preserving the flexibility and expressivity of Notion’s data model.

Alicia Liu

Engineering