Nicolas Keller
Co-Founder at Tggl
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolNicolas Keller is a seasoned software leader and co-founder with 12 years of experience building product-focused engineering organizations across Paris and remote-first startups. As Head of Engineering at Stoïk and co-founder of Tggl, he combines hands-on front-end craftsmanship—evidenced by his contributions to an Airtable-like React datasheet component—with strategic CTO experience at Equify. His background spans full-stack development, backend systems, and product-facing UI work from early freelance projects to roles at BlaBlaCar, giving him a pragmatic blend of startup hustle and scaled production experience. He led teams, shipping internal tooling and financial platforms, and even ran a 38-person student association where he built bespoke operational systems—an early signal of his knack for turning operational complexity into simple software. Known for improving user experience details like sticky columns, dynamic row heights, and selection UX, he brings a designer’s attention to usability into engineering leadership.
12 years of coding experience
16 years of employment as a software developer
Strong Vincent (Pennsylvania)Master of Science (MS) Information Systems & Web Technologies, Master of Science (MS) Information Systems & Web Technologies at ESIEE PARIS
French, English
Github Skills (9)
spreadsheet10
javascript10
react10
ui-components10
css9
flexbox8
typescripts8
typescript8
typescript-types8
Programming languages (7)
Github contributions (5)
nick-keller/react-datasheet-grid
Jul 2020 - Jan 2023
An Airtable-like / Excel-like component to create beautiful spreadsheets.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:34 reviews, 195 commits, 51 PRs in 2 years 6 months
Contributions summary:Nicolas primarily contributed to the development of a spreadsheet component, focusing on implementing features and refining the user interface. They added the ability to create sticky columns and improved column width handling. Key changes included the creation of a context menu, enhancements to selection highlighting, and support for dynamic row heights.
airtableexcelreactgridspreadsheet
Tggl/tggl-proxy
Aug 2023 - Mar 2025
Tggl Proxy to self-host
Contributions:9 releases, 27 pushes, 1 branch in 1 year 7 months
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