Ehsan Heydari
Senior Software Engineer at LeoVegas Group
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolEhsan Heydari is a Lead Frontend Engineer with a decade of experience building performant, scalable web applications and design systems, currently driving the frontend of Hopsworks' AI Lakehouse from Stockholm. He specializes in React, TypeScript, and functional programming, and has a track record of architectural redesigns that doubled page load speed and boosted user engagement. Ehsan builds complex UIs—like Feature View builders and CLI-capable file browsers—while also shipping developer-friendly tooling such as a reusable Quartz component library and a fully automated Semantic Release pipeline. He emphasizes quality through rigorous testing (Cypress, Vitest, MSW), accessibility, and PWA support, and he mentors teams to adopt maintainable patterns and micro-frontend strategies. Comfortable across startup and enterprise contexts, he has delivered solutions for clients including Zalando and Ericsson and even integrated LLM-driven UX enhancements to simplify AI app onboarding.His pragmatic embrace of functional programming and declarative architecture helps teams produce clearer, more composable code that scales.
10 years of coding experience
11 years of employment as a software developer
High School Diploma, Mathematics, High School Diploma, Mathematics at National Organization for Development of Exceptional Talents (Sampad)Amirkabir University of TechnologyMaster of Science (MSc), Information Technology, Master of Science (MSc), Information Technology at Sharif University of Technology
English, Persian, Turkish
Github Skills (15)
vue-testing-library10
testing10
testing-library10
npm-package10
react-testing-library10
cypress10
svelte-testing-library10
angular-testing-library10
component-testing10
editormd3
rescript1
react-intl1
elm1
reasonml1
ui-framework1
Programming languages (7)
Github contributions (5)
esonhey/Vue-FormCraft
Sep 2017 - Jul 2018
Contributions:370 commits, 2 branches in 9 months
esonhey/drmoshkybot
Sep 2017 - Apr 2025
Contributions:1 push, 1 branch in 7 years 8 months
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