Mike Coutermarsh is a seasoned software engineer with 16 years of experience building developer-focused products and infrastructure, currently contributing at PlanetScale and co-founding the HTML/CSS to Image service. He previously shaped GitHub Actions and Marketplace as a Staff Engineer, bringing deep expertise in developer tooling, CI/CD, and platform integrations. Mike spans full-stack development and developer experience improvementsāhis dotfiles repo reflects a long-running obsession with tooling, Vim/Tmux customization, and workflow automation that boosts productivity. He has a track record of shipping impactful features at startups and scaleups like Product Hunt and Gazelle, and of turning operational needs into polished developer-facing products. Based in Greater Philadelphia, he combines hands-on engineering with entrepreneurial instincts and a pragmatic focus on developer happiness.
16 years of coding experience
12 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at Quinnipiac University
Contributions:146 commits, 13 PRs, 64 pushes in 8 years
Contributions summary:Mike primarily focused on enhancing the user's Vim and Tmux configuration files, as indicated by the repository description and topics. They implemented various plugins and configurations for Vim, including Vim-Plug, fzf, and several language-specific plugins like Typescript, and Ruby refactoring, alongside general enhancements. Their contributions also included updates to zsh, the addition of a tmuxinator for session management, and incorporating functionality like golden ratio for auto split resizing, suggesting a focus on improving developer workflow and environment customization.
Contributions:2566 commits, 5 PRs, 58 pushes in 2 years 5 months
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