David Sato - Software Engineer at Usual

David Sato

Software Engineer at Usual

European Union Other

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Summary

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Senior

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Top School

David Sato is a full‑stack blockchain engineer with nine years of experience and a frontend-first sensibility, currently focused on smoothing blockchain onboarding through pragmatic, user-centric interfaces. He has driven production trading UIs at CowSwap and Gnosis, contributed backend integrations for DeFi Pulse adapters that aggregate on‑chain data, and helped build an onchain app UX toolkit handling wallet events and disconnects. As a co-founder of a design-focused apparel brand, he blends product-minded design with engineering discipline, asking “Could my grandparents use this on their first go?” to keep UX approachable. Based in the EU, he pairs solid smart-contract integration skills (multicall, token balance aggregation) with a knack for shipping polished, resilient frontends.

9 years of coding experience

6 years of employment as a software developer

Bachelor of Science (BS), Bachelor of Science (BS) at Santa Clara University

Associate's degree, Associate's degree at San Diego Mesa College

English, French

Stackoverflow

Stats

21reputation

283reached

0answers

2questions

Github Skills (28)

javascript10

contract10

ethereum10

ffi10

smart-contracts10

protocols10

walletconnect10

react10

plugin9

integrate9

integrations9

daap9

abi9

web3js9

typescripts8

Programming languages (6)

TypeScriptRustSolidityJavaScriptHTMLPython

Github contributions (5)

ConcourseOpen/DeFi-Pulse-Adapters

Jun 2020 - Jul 2020

DeFi Pulse Adapters - Official Repository so DeFi projects can keep their metrics up to date on DeFi Pulse

Role in this project:

Back-end Developer

Contributions:9 commits, 4 PRs, 5 comments in 1 month

Contributions summary:David contributed to the development of DeFi adapter modules for the DeFi Pulse platform. Their primary focus was on integrating data from various DeFi protocols, including Gnosis Conditional Token and Gnosis Protocol. This involved fetching and processing on-chain data, specifically token balances, using multi-call functionality, indicating expertise in interacting with smart contracts. The commits demonstrate the user's ability to build and maintain integrations with different DeFi projects for data aggregation.

keepblockchainadapterscryptocurrency-exchangespulse

reown-com/appkit

Aug 2019 - Aug 2019

The full stack toolkit to build onchain app UX

Role in this project:

Full-stack Developer

Contributions:8 commits, 1 PR, 1 comment in 1 day

Contributions summary:David contributed to the core functionality of a full-stack toolkit for onchain app UX, primarily focusing on frontend and event management aspects. They implemented features like `off()` and `onDisconnect` methods to manage events and wallet disconnections, crucial for wallet integration. The contributions also included updating and fixing example applications within the toolkit, demonstrating a focus on user experience and integration.

integrationreactwidgetproviderwallets

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