Ellison Leão - Staff Software Engineer at Loadsmart

Ellison Leão

Staff Software Engineer at Loadsmart

Paraná, Brazil

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Summary

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Rockstar

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Ellison Leão is a Staff Software Engineer with 14 years of hands-on experience building resilient web services and developer tools, specializing in Python and Go. He has designed APIs and internal developer-experience tooling at Loadsmart, optimized ETL and cloud monitoring costs, and shipped scalable backend and frontend systems across startups and enterprise clients. A committed open-source maintainer in the Neovim ecosystem, he authors plugins like glow.nvim and gruvbox.nvim and contributes front-end utilities such as sharer.js, blending systems-level thinking with attention to UX and code quality. Known for pragmatic system design, CI/CD literacy, and a penchant for clean, PEP8-compliant code, he also mentors local Go and Python communities in Paraná, Brazil. Colloquially describing his approach as "polyrhythm programming," he mixes multi-language fluency (Lua, Django, NestJS) with a long-term focus on maintainability and developer ergonomics.

14 years of coding experience

18 years of employment as a software developer

Bachelor Computer Science, Bachelor Computer Science at Universidade Federal de Alagoas

Pontifical Catholic University of Paraná

English, Portuguese

Stackoverflow

Stats

1reputation

0reached

1answer

0questions

Github Skills (30)

markdown10

javascript10

python10

glow10

css10

color-scheme10

vim10

neovim10

lua10

pep10

markdown-it10

front-end-development10

html10

vanilla-javascript10

neovim-plugin10

Programming languages (21)

YaccC++CSSRustSchemeCVim SnippetGo

Github contributions (5)

ellisonleao/sharer.js

Dec 2015 - Nov 2022

:on: :bookmark: Create your own social share buttons. No jquery. Just vanilla JS

Role in this project:

Front-end Developer

Contributions:13 releases, 16 reviews, 171 commits in 7 years

Contributions summary:Ellison primarily worked on developing the front-end components for the share buttons library. They added and refactored the core JavaScript code, introducing new share options and fixing existing functionality. The user also implemented mobile sharing features and addressed issues related to attribute handling, ensuring proper functionality across different social media platforms. They are responsible for updating, optimizing and maintaining the library's core functionality and the share features.

whatsapptelegramsocial-sharepinteresttumblr

ellisonleao/glow.nvim

Aug 2020 - Jan 2023

A markdown preview directly in your neovim.

Role in this project:

Full-stack Developer

Contributions:21 reviews, 48 commits, 35 PRs in 2 years 5 months

Contributions summary:Ellison primarily contributed to the development of a Neovim plugin for markdown previewing. Their work included implementing core functionalities such as window creation, file loading, and the integration of the glow command-line tool. Furthermore, the user added features like key mappings for window control and made improvements to the plugin's path handling. The contributions focused on enhancing the user experience and functionality of the markdown preview within the Neovim environment.

golangluavimglowneovim

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