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Leo Fernández · builderstack

builderstack

Jul 2026

LF

Leo Fernández

@leo

Full stack, mostly TypeScript

followers4

projects2

views0

Tech stack

Rails
Spring
FastAPI
Express
NestJS
PostgreSQL

builderstack.dev/leo

LF

Leo Fernández

@leo

Full stack, mostly TypeScript

Full stack, mostly TypeScript. This is a demo profile.

Projects

Stack Sniff

Developer toolsLiveOpen source

Guess a site's stack without installing anything

LFLeo Fernández18 likes1 update

Draft Zero

ProductivityLiveFree

Write the first version somewhere it cannot be seen

LFLeo Fernández14 likes

Experience

No experience yet

Leo Fernández has not added any experience yet.

Build updates

12 Aug 2026Stack Sniff
Detects 40 frameworks without running any of them
9 Aug 2026Draft Zero
Drafts are private until you say otherwise

1 update

4 followers·4 following2 projects0 viewsBuenos Aires, ArgentinaJoined Jul 2026

Tech stack

Rails
Spring
FastAPI
Express
NestJS
PostgreSQL
MySQL

720 contributions in the last year

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