Carlos Ranara

Hello, I’m Carlos.

I make software with nerve.

A pragmatic software engineer building thoughtful web products, developer tools, and performance-aware systems.

See my work GitHub

currently — building more for the web and going deep on .NET architecture.

01 / WORK

Built to be used.
Designed to be remembered.

Projects where clean engineering, practical choices, and visual character solve the same problem.

Less scheduling, more living

Slottle

A browser extension that generates conflict-free university schedules without copied cookies or manual entry.

TypeScript · React · Browser Extension GitHub intelligence, made beautiful

GitPeak

A visual analytics experience that turns a public GitHub profile into a polished, shareable dashboard.

Svelte 5 · GitHub GraphQL · Cloudflare Python, interpreted in C

Python Interpreter

An interpreter supporting functions, recursion, control flow, and indentation-sensitive syntax.

C · Parsers · Language Design Systems

http-from-tcp

HTTP built from raw TCP — parsing, concurrency, and the protocol details most frameworks hide.

Rust · Networking · Concurrency Experiments

Rust Tetris

A terminal Tetris game, written as an exercise in game systems and tight loops.

Rust · Terminal · Game Systems Tools

ipynb-peek.nvim

Peek into Jupyter notebooks from Neovim.

Lua · Node.js · Jupyter Kernels

02 / POINT OF VIEW

There is no best solution, only the best compromise for the situation.

the foundation Systems thinking

Rust, C, Go, networking, interpreters, performance

the main canvas Web products

Svelte, TypeScript, browser extensions, frontend exploration

the current rabbit hole Application architecture

.NET · C# · OOP patterns · CQRS · mediator patterns

03 / OPEN CHANNEL

Bring me the idea you can’t ignore.

I’m open to internships, collaborations, open-source work, and unusually difficult problems. If it sounds ambitious, we’ll probably get along.

Email me GitHub