Jesse Duffield
Co-founder CTO at Open Source
Melbourne, Victoria, Australia
Summary
🤩
Rockstar🎓
Top School
Top expert inNeovim and Vim Ecosystem Development
Jesse Duffield is a seasoned software engineer and CTO with 11 years of experience building full-stack systems and leading teams, currently co-founding Subble while maintaining a high-profile open source presence. Based in Melbourne, he authored Lazygit and Lazydocker—terminal UIs in Go that together have attracted over 50k GitHub stars and place him among the global top 100 users by stars. He blends hands-on engineering (Go, Rust, Ruby, React) with architecture, mentoring, code review, and test automation, and has led squads and onboarding efforts at scale. Jesse’s open-source work emphasizes developer tooling and reliability—he writes integration tests and refactors core logic to make complex workflows simple and maintainable. Outside the obvious metrics, he brings a rare combination of product-minded pragmatism and a compulsive focus on polish that shows up in both OSS UX and production systems.
11 years of coding experience
7 years of employment as a software developer
Computer Science, Computer Science at Monash University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
code-generation10
go10
encryption10
test-automation10
testing10
test-framework9
file-handling9
git9
json8
cli8
apidoc7
api7
Programming languages (12)
Github contributions (5)
jesseduffield/horcrux
Jan 2020 - Dec 2020
Split your file into encrypted fragments so that you don't need to remember a passcode
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 47 commits, 12 PRs in 11 months
Contributions summary:Jesse primarily focused on enhancing the project's core functionality and maintainability. Their contributions involved refactoring code, optimizing existing processes, and incorporating vendor directories to manage dependencies. They also updated URLs within the codebase, indicating a focus on project configuration and external resource management. The user demonstrated proficiency in Go, with code changes centered around file splitting and encryption.
splitencryptedaes-gcmneedpasscode
jesseduffield/lazygit
May 2018 - Jan 2023
simple terminal UI for git commands
Role in this project:Backend Engineer & Test Automation Engineer
Backend Engineer & Test Automation EngineerContributions:141 releases, 1369 reviews, 3165 commits in 4 years 9 months
Contributions summary:Jesse's commits indicate a focus on developing code generation tools and integration tests, particularly within the context of a terminal-based Git UI. Their work includes implementing code generators for test lists, creating the tests themselves for various git functionalities and they also refactored some logic that was related to tests. The user demonstrated a focus on ensuring the functionality of the core git commands.
ratatuirustterminal-uisimple-terminalgit-commands
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