All catalogues

Open Source Engineers

Prolific contributors to the most impactful modern open source projects. From ML infrastructure to developer tools, these engineers are building the future of software.

37profiles
|Updated weekly
Showing 37 of 37 contributors

Alex Blokh

Core maintainer

Rising
Drizzle ORMDatabase

Andrew Gallant

Performance optimizations (ripgrep author!)

Rising
Ruff/uvDev Tools

Andrii Sherman

Core maintainer

Rising
Drizzle ORMDatabase

Baizhou Zhang

DeepSeek optimizations, FlashInfer MLA

Rising
SGLangML Infra

Chenyang Zhao

Code owner, ML systems researcher

Rising
SGLangML Infra

Ciro Spaciari

Core contributor, fs.watch impl

Rising
BunDev Tools

Colin McDonnell

Early tRPC contributor, Zod creator

Rising

Dylan Conway

Core contributor at Oven

Rising
BunDev Tools

Jacob Finkelman

pubgrub-rs maintainer (uv dependency resolver)

Rising
pubgrub-rsDev Tools

Julius Marminge

Core team member

Rising
tRPCWeb

Kaichao You

Core maintainer, Tsinghua PhD

Rising
vLLMML Infra

Logan Markewich

LlamaIndex core, led v0.10 release

Rising
LlamaIndexML Infra

Nick Lucas

Core team member

Rising
tRPCWeb

Sachin Raja

Legend - learned TS while contributing, v10 perf

Rising
tRPCWeb

Taku Amano

RegExpRouter, SmartRouter creator

Rising
HonoWeb

Tim Smart

Core contributor, effect-http, sqlfx

Rising

Ying Sheng

Core reviewer

Rising
SGLangML Infra

Alex Johansson

Creator of tRPC

tRPCWeb

Alexey Milovidov

Co-founder & CTO of ClickHouse

ClickHouseDatabase

Bailey Pumfleet

Co-founder & CEO

Cal.comAutomation

Charlie Marsh

Founder of Astral, created Ruff & uv

Ruff/uvDev Tools

Georgi Gerganov

Creator of llama.cpp

llama.cppML Infra

Harrison Chase

LangChain creator & CEO

LangChainML Infra

Jan Oberhauser

Founder of n8n

n8nAutomation

Jerry Liu

LlamaIndex creator & CEO

LlamaIndexML Infra

Lianmin Zheng

Core maintainer

SGLangML Infra

Maidul Islam

Co-founder of Infisical

InfisicalAutomation

Mark Raasveldt

Co-creator of DuckDB

DuckDBDatabase

Michael Arnaldi

Creator of Effect

Peer Richelsen

Co-founder of Cal.com

Cal.comAutomation

Ritchie Vink

Creator of Polars

PolarsDatabase

Simon Mo

Core maintainer, Inferact CEO

vLLMML Infra

Tony Dang

Co-founder of Infisical

InfisicalAutomation

Woosuk Kwon

Co-creator, Inferact CTO

vLLMML Infra

Yusuke Wada

Creator of Hono (Cloudflare DevRel)

HonoWeb

Zhuohan Li

Co-creator

vLLMML Infra

Zoltan Kochan

Creator/maintainer of pnpm

pnpmDev Tools

Hiring great engineers?

Get access to contact information, detailed profiles, and AI-powered matching with our full recruiting platform.