Sebastien Bramille
Technical Lead at LI.FI
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolSebastien Bramille is a Technical Lead based in London with over a decade of hands-on experience designing and shipping full-stack and blockchain-enabled web platforms. He has led and scaled remote engineering teams, building cloud-native infrastructure with Terraform, Kubernetes, Helm and GCP/Azure while delivering resilient backends (Node.js, NestJS, PostgreSQL, MongoDB) and modern frontends (Next.js, React, TypeScript). His background spans startup founding to enterprise engineering leadership, with measurable outcomes including fundraising wins and ISO27001 achievement. A practical Web3 practitioner, he has designed blockchain interoperability work and integrated multiple chains into production systems using wagmi/viem/web3 stacks. Sebastien is also an active open-source contributor, improving UX and cross-platform behavior in high-profile projects like Electron and maintaining core Node tooling such as robotjs. He combines architecture-level thinking with frequent hands-on contributions, from smart contracts to ANSI-aware UI tweaks.
11 years of coding experience
11 years of employment as a software developer
Higher National Diploma Computer Software Engineering, Higher National Diploma Computer Software Engineering at rise paris la défenseA levels Regular/General High School/Secondary Diploma Program, A levels Regular/General High School/Secondary Diploma Program at Lycée jean perrin - St ouen l'aumone
French, English
Stackoverflow
1,721reputation
101kreached
49answers
12questions
javascript
top-5%
Github Skills (37)
javascript10
electron10
trading10
bitcoin10
bitcoins10
ui-design10
trading-bot10
trading-systems10
uid10
front-end-development10
macos10
nodejs10
nsattributedstring10
algorithmic-trading10
testing9
Programming languages (17)
Github contributions (5)
octalmage/robotjs
Nov 2019 - Sep 2021
Node.js Desktop Automation.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:39 commits, 24 PRs, 30 pushes in 1 year 9 months
Contributions summary:Sebastien primarily worked on updating and maintaining the `robotjs` library, a Node.js desktop automation tool. Their contributions involved refactoring existing code, fixing deprecation warnings, and adding support for newer Node.js versions. Furthermore, the user enhanced existing features by addressing mouse and keyboard functionalities and extending functionality. The user also incorporated multi-monitor support for mouse movement.
electrondesktop-jsnode-jsdesktop-automationjavascript
maildev/maildev
Mar 2019 - Feb 2020
:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.
Role in this project:Back-end Developer
Back-end DeveloperContributions:34 commits, 22 PRs, 30 pushes in 10 months
Contributions summary:Sebastien primarily focused on improving the functionality and stability of the maildev application. Their contributions included fixing bugs related to attachment handling, cleaning temporary folders, and implementing health checks for the REST API. They also added features like an outgoing configuration endpoint and improved the application's performance by optimizing code and implementing URI encoding for attachment file names. The user integrated testing to ensure the quality and reliability of the codebase.
smtpmailnodemailerweb-interfaceweb-server
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