Shai Yallin
Freelance Software Engineer And DevEx Consultant at Shai Yallin, Software Gardener
Israel
Summary
🤩
Rockstar🎓
Top SchoolShai Yallin is a freelance software engineer and DevEx consultant with over 13 years of hands-on experience architecting and leading backend platforms for high-scale startups and products. He combines deep engineering craft—practical London-school TDD, Continuous Delivery and XP—with leadership roles at Wix and as VP Engineering at Orbs, where he led platform and blockchain efforts. Shai is fluent across Scala, Java, Go, JavaScript/TypeScript and PHP, and pairs comfortably in Python, C++ and Kotlin, allowing him to both design systems and ship code alongside teams. He specializes in rescuing organizations stuck under technical debt by leading gradual rewrites that transfer practices and ownership back to the team. Notably, he helped create Wix’s backend microservice architecture, introduced Scala and event-sourcing for Wix Stores, and built internal training programs to scale engineering capability. Based in Israel, he works with CTOs and VPs R&D to balance short-term delivery with long-term maintainability.
13 years of coding experience
10 years of employment as a software developer
B.A. Sociology / Computer Sciences, B.A. Sociology / Computer Sciences at The Open University of Israel
English, Hebrew
Github Skills (200)
testing10
automation10
declarative10
automation-framework10
javascript10
type-check10
chain10
devtools10
superset10
react-native-navigation10
bdd10
test-automation10
assertion10
typescript10
navigator10
Programming languages (12)
Github contributions (5)
electricmonk/goos-nodejs
Sep 2015 - Sep 2015
Contributions:58 commits, 17 pushes, 1 branch in 13 days
orbs-network/orbs-network-go
Jun 2018 - Jan 2020
Contributions:3 releases, 1183 commits, 291 PRs in 1 year 7 months
golangorbsblockchainchaincore-chain
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