Paul Grau
Principal Product Engineer at Alvin
Tallinn, Harju County, Estonia
Summary
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Rockstar🎓
Top SchoolPaul Grau is a Principal Product Engineer with 11 years of experience building enterprise SaaS where systems thinking meets human-centered design, currently shaping FinOps automation and product-to-ops scalability at Alvin. He excels at translating founder visions into aligned specs, information architecture, and production-grade systems that make complex ML and infrastructure changes auditable and human-safe. His background spans frontend-to-infra work—from building design systems and migrating legacy stacks to Next.js/TypeScript to researching blockchain infrastructure for enterprises. An active open-source contributor, he improved rollup-plugin caching and sourcemap handling for the popular vanilla-extract-css project, reflecting attention to build tooling and developer experience. Paul combines quantitative product habits (Amplitude-driven design) with commercial modeling expertise, turning raw telemetry into verifiable P&L signals. Based in Tallinn, he brings an unusually broad toolkit informed by HCI-focused graduate study and hands-on founding and consulting experience.
11 years of coding experience
17 years of employment as a software developer
Computer Engineering, Computer Engineering at Seoul National UniversityMSc. Computer Science, MSc. Computer Science at Technische Universität BerlinMSc. Computer Science Human Computer Interaction, MSc. Computer Science Human Computer Interaction at Korea Advanced Institute of Science and Technology
English, German, Korean, Russian, Estonian
Stackoverflow
1,089reputation
219kreached
27answers
7questions
xmlhttprequest
top-5%
firefox
top-5%
Github Skills (16)
typescript10
javascript10
typescripts10
typescript-types10
build-tools9
firefox9
css-in-js9
xmlhttprequest9
sourcemaps8
concatenation6
http6
html6
printing6
php6
forms6
Programming languages (17)
Github contributions (5)
vanilla-extract-css/vanilla-extract
Jul 2021 - Jun 2022
Zero-runtime Stylesheets-in-TypeScript
Role in this project:
Front-end Developer
Front-end DeveloperContributions:22 reviews, 5 commits, 9 PRs in 10 months
Contributions summary:Paul primarily contributed to the rollup-plugin within the vanilla-extract-css project. Their work involved enhancing the plugin's functionality, specifically focusing on caching mechanisms and sourcemap generation. They addressed issues related to module preservation during builds and adjusted asset name handling. Additionally, the user implemented updates in the testing suite to ensure the plugin's correct behavior.
zerojavascriptruntimestylesheetstypescript
aergoio/herajs
Jul 2018 - Jul 2022
Javascript SDK for Aergo
Contributions:4 reviews, 684 commits, 110 PRs in 4 years
jsjavascriptblockchainsdkaergo
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