Darren Labithiotis
Chief Technology Officer at Toptal
Millstatt am See, Carinthia, Austria
Summary
👤
Senior🎓
Top SchoolDarren Labithiotis is a CTO and full-stack engineering leader with 11 years’ experience building and shipping SaaS products from concept to production, specializing in TypeScript, Node.js, React, GraphQL and scalable backend systems. He has led teams and projects across startups and enterprise settings—most recently as CTO of Hablo and a long-standing senior engineer at Toptal—combining hands-on architecture with delivery discipline like CI, E2E testing and observability. His background in Computer Games Design gives him a user-centric edge, evident in polished UIs, component libraries and inventive UX patterns such as staged image loading. Darren excels in remote-first environments, has deep experience integrating complex auth flows (Auth0/PKCE) and data import/versioning systems, and has repeatedly delivered rapid, production-ready platforms under tight timelines. Based in the Austrian Alps, he balances high-velocity engineering with practical product sense and a knack for turning fuzzy requirements into robust, user-friendly systems.
11 years of coding experience
16 years of employment as a software developer
BSc, Computer Games Design, BSc, Computer Games Design at University of Staffordshire
Stackoverflow
3,749reputation
504kreached
13answers
50questions
Github Skills (200)
metadata10
cropperjs10
text-editor10
cross-platform10
image-cropper10
crop-image10
android10
mobile10
ios10
react-native10
minify10
jstree10
react10
rust-lang9
react-component9
Programming languages (11)
Github contributions (5)
labithiotis/express-list-routes
Jan 2015 - Mar 2022
Contributions:6 releases, 4 reviews, 15 commits in 7 years 2 months
labithiotis/mongo-mocker
Apr 2017 - Jul 2019
Contributions:6 commits, 5 PRs, 17 pushes in 2 years 3 months
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