Thibaut Sardan
Berlin, Germany
Summary
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RockstarThibaut Sardan is a product-minded software engineer based in Berlin with 8 years of experience building user-facing blockchain tooling and secure crypto apps. He contributes across the full stack but specializes in front-end UX for Polkadot and Substrate projects, notably improving account management, accessibility and internationalization in the widely used polkadot-js extension and apps. His background also spans backend and CLI work for Ethereum clients and mobile development for air-gapped wallets, showing a pragmatic mix of security-conscious engineering and polished UI delivery. A blockchain (and cats) enthusiast, he pairs a developer-first approach with attention to documentation and developer experience—often surfacing small but impactful improvements such as clearer CLI help and more consistent styling.
8 years of coding experience
Github Skills (41)
json-rpc10
e2e-testing10
wallet10
javascript10
react-native10
mobile-development10
api-design10
e2e-test10
css10
command-line-interface10
websocket10
ui-design10
ipc10
metamask10
uid10
Programming languages (21)
Github contributions (5)
novasamatech/parity-signer
Aug 2018 - Feb 2021
Air-gapped crypto wallet.
Role in this project:
Mobile Developer
Mobile DeveloperContributions:7 releases, 11 reviews, 160 commits in 2 years 5 months
Contributions summary:Thibaut primarily contributed to the development of the Parity Signer mobile application. Their work involved fixing UI/UX issues, modifying screen layouts, and implementing new features such as showing QR codes and integrating account-related functionalities. They also addressed bugs related to incorrect pin entry and recovery phrases, focusing on improving the application's user experience.
crypto-walletwalletsubstratepolkadotkusama
polkadot-js/extension
Jun 2019 - Jan 2023
Simple browser extension for managing Polkadot and Substrate network accounts in a browser. Allows the signing of extrinsics using these accounts. Also provides a simple interface for compliant extensions for dapps.
Role in this project:Front-end Developer
Front-end DeveloperContributions:143 reviews, 90 commits, 163 PRs in 3 years 8 months
Contributions summary:Thibaut primarily contributed to the user interface of the Polkadot{.js} extension. Their work included fixing UI bugs, improving the user experience with the account selection, implementing new features for account management, and enhancing accessibility. They also focused on the overall styling and visual consistency of the extension's components. Additionally, the user's contributions encompassed the implementation of a website access management feature and internationalization for enhanced user experience.
browser-extensionpolkadotsubstratepolkadot-jsblockchain
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