Sacha Lansky
Head Of Developer Relations
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolSacha Lansky is a Head of Developer Relations based in Berlin with nine years of experience at the intersection of developer experience, technical writing, and blockchain engineering. He has driven developer programs, hackathons, and workshops for Polkadot and Web3 events while contributing code and documentation to flagship open-source projects like Substrate and the Polkadot SDK. Comfortable shipping both developer-facing content and backend fixes, he blends technical rigor (Rust/P2P work like the Swarm Networking Library) with community-building instincts. A detail-oriented communicator, Sacha’s contributions often focus on documentation quality, onboarding, and reducing friction for new builders. Equally at home on stage or in a repo, he translates strategic goals into measurable developer outcomes across the Web3 ecosystem.
9 years of coding experience
7 years of employment as a software developer
International Baccalaureate , International Baccalaureate at International School of GenevaBachelor of Computing, Specialization in Cognitive Science, Bachelor of Computing, Specialization in Cognitive Science at Queen's UniversityIntroduction to Digital Currencies - MOOC9, Introduction to Digital Currencies - MOOC9 at University of Nicosia
English, French, Spanish
Stackoverflow
103reputation
0reached
0answers
0questions
Github Skills (15)
substrate10
rust10
front-end-development10
blockchain10
documentation10
clientside9
polkadot9
nodes9
webclient9
polkadot-js9
nodejs9
css8
html8
react7
javascript7
Programming languages (13)
Github contributions (5)
polkadot-developers/substrate-developer-hub.github.io
Nov 2020 - Oct 2021
Substrate Documentation
Role in this project:
Technical Writer & Frontend Developer
Technical Writer & Frontend DeveloperContributions:77 reviews, 59 commits, 60 PRs in 10 months
Contributions summary:Sacha primarily focused on updating and maintaining the Substrate documentation website. Their work involved modifying the seminar pages, adding upcoming and past seminar schedules, updating crowdcast links, and adding new links to the footer. The contributions also included updating the siteConfig.js file, including adding a new How-to Guides page and CSS file modifications to adjust the styles.
rustsubstratepolkadotblockchain
paritytech/polkadot-sdk
Aug 2023 - Aug 2024
The Parity Polkadot Blockchain SDK
Role in this project:Back-end Developer
Back-end DeveloperContributions:16 reviews, 12 PRs, 35 pushes in 1 year
Contributions summary:Sacha primarily contributed to improving the documentation, fixing typos, and updating URLs. They also made minor code changes related to the substrate framework, specifically in the context of contract and transaction payment. They also worked on updating the template pallet, and fixed lint warnings in the Uniques, Nicks, and Glutton pallets. These contributions suggest a focus on code quality and maintainability within the Polkadot SDK.
blockchaincumuluspolkadotsubstrate
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