Where does Lucas Vieira work?

Lucas Vieira is Founder of Briefer.

Where did Lucas Vieira go to school?

Lucas Vieira studied at Y Combinator (S23); Universidade Federal de Santa Catarina.

Lucas Vieira

Founder

Founder at Briefer

Santa Catarina, Brazil

FoundedBriefer · YC

Find your path to Lucas

38 people in our graph share verified history with Lucas — schools, employers, funds. One of them is your warm intro.

Mark FernandesunlockedLucas: together at Yalo (2022–2023)

×2Lucas: together at Yalo

×7Lucas: together at Universidade Federal de Santa Catarina

Lucas: together at Chaordic

About

Lucas Vieira is a software engineer with over a decade of experience in open-source development, including work maintaining Chai.js. He previously served as Head of Technology at Joga, where he led product development from inception, and is currently CTO of Ergomake, focused on developer infrastructure for preview environments.

Founder at Briefer YC S23

Intro paths

Lucas went through Y Combinator (Summer 2023) — any YC alum in your network can reach them through the YC community.

Their group partner at YC was Aaron Epstein, General Partner at Y Combinator — the partner who ran Briefer's batch and knows the company first-hand. YC profile ↗

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In turn, Lucas can intro founders to Briefer's investors below.

Briefer's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2023

Co-founders at Briefer

Lucas da CostaFounder

Experience

ResendProgrammingcurrent2025 — present
Briefer (YC S23)Founder & CTO (YC S23)2022 — 2025São Paulo, Brazil
YaloSenior Software Engineer2022 — 2023
JogaHead Of Technology2017 — 2022Florianópolis, Santa Catarina
DiffiaSoftware Developer2017 — 2018
ChaordicSoftware Developer2016 — 2017Florianópolis, Santa Catarina
ChaordicDeveloper Intern2014 — 2016

Skills & more

JavaScript17Git12AngularJS4jQuery3Node.js9PHP1MySQL2HTML53SQL3Linux6Python2Java1

+10 more

ECMAScriptCReact.jsRubyRuby on RailsProgrammingComputer ScienceGoScrumFunctional Programming

Languages English · Portuguese

From Lucas's professional profile.

Frequently asked questions

Who is Lucas Vieira?: Lucas Vieira is a software engineer with over a decade of experience in open-source development, including work maintaining Chai.js. He previously served as Head of Technology at Joga, where he led product development from inception, and is currently CTO of Ergomake, focused on developer infrastructure for preview environments.
Where does Lucas Vieira work?: Lucas Vieira is Founder of Briefer.
What companies did Lucas Vieira found?: Lucas Vieira founded Briefer.
Where did Lucas Vieira go to school?: Lucas Vieira studied at Y Combinator (S23); Universidade Federal de Santa Catarina.