Sean Braithwaite
Core Contributor at Topos Network
Berlin Metropolitan Area Germany
Summary
🤩
Rockstar🎓
Top SchoolSean Braithwaite is a veteran software engineer and serial founder with 18 years of experience building distributed systems and blockchain infrastructure from Berlin. As co-founder and architect at Topos Network and current core contributor at Filament and Mekatek, he blends hands-on backend engineering with product-level strategy to enable decentralized finance and cross-chain utility. He has deep expertise in consensus, P2P networking and cryptographic primitives—demonstrated by contributions to the widely used Tendermint Core where he optimized hashing routines, improved block sync scheduling and strengthened peer communication channels. Sean’s background spans data science and big-data systems at companies like SoundCloud and Datacratic, giving him a rare mix of research-driven analysis and production-grade system design. An advocate of “measured movements,” he favors pragmatic, performance-minded improvements that scale without sacrificing robustness.
18 years of coding experience
15 years of employment as a software developer
Computer Science, Computer Science at CEGEP - John Abbott CollegeBCompsci, Computation Arts, BCompsci, Computation Arts at Concordia University
Github Skills (7)
consensus10
distributed-systems10
go10
cryptography10
blockchain10
testing9
performance-optimization9
Programming languages (6)
Github contributions (5)
tendermint/tendermint
Mar 2019 - Aug 2020
⟁ Tendermint Core (BFT Consensus) in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:46 commits, 29 PRs, 79 pushes in 1 year 4 months
Contributions summary:Sean contributed to the Tendermint Core codebase by implementing and optimizing cryptographic functions, specifically focusing on an iterative version of `SimpleHashFromByteSlices`. They wrote unit tests and benchmarks to compare the performance of iterative and recursive implementations, and refactored and added functionalities for peer-to-peer communications to enable the transmission of data with specific channel metrics. Additionally, the user worked on updating and improving the scheduler for block synchronization within the blockchain.
golangcryptographybftconsensusethereum
brapse/cursed
Jun 2010 - Nov 2011
Contributions:38 commits in 1 year 4 months
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