I'm Szabi Hetei-Bakó, a Senior Frontend Developer with 8+ years of experience specializing in React and TypeScript. I enjoy turning legacy code into scalable frontend architectures, mentoring teams, and driving the adoption of modern frontend practices across global teams. My core strengths include performance optimization, advanced frontend patterns like micro-frontend architectures, and close collaboration with product and backend teams to deliver robust, accessible user experiences for 100,000+ active users. I thrive in fast-paced environments and lead initiatives that raise code quality and developer productivity.…

Szabi Hetei-Bakó

I'm Szabi Hetei-Bakó, a Senior Frontend Developer with 8+ years of experience specializing in React and TypeScript. I enjoy turning legacy code into scalable frontend architectures, mentoring teams, and driving the adoption of modern frontend practices across global teams. My core strengths include performance optimization, advanced frontend patterns like micro-frontend architectures, and close collaboration with product and backend teams to deliver robust, accessible user experiences for 100,000+ active users. I thrive in fast-paced environments and lead initiatives that raise code quality and developer productivity.…

Available to hire

I’m Szabi Hetei-Bakó, a Senior Frontend Developer with 8+ years of experience specializing in React and TypeScript. I enjoy turning legacy code into scalable frontend architectures, mentoring teams, and driving the adoption of modern frontend practices across global teams.

My core strengths include performance optimization, advanced frontend patterns like micro-frontend architectures, and close collaboration with product and backend teams to deliver robust, accessible user experiences for 100,000+ active users. I thrive in fast-paced environments and lead initiatives that raise code quality and developer productivity.

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Skills

Experience Level

React JS
Expert
JavaScript
Expert
TypeScript
Expert
HTML5
Expert
Node.js
Expert
Docker
Expert
GraphQL
Expert
MongoDB
Expert
PostgreSQL
Expert
React Native
Intermediate
MySQL
Intermediate
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Language

English
Fluent
German
Intermediate
Hungarian
Fluent

Work Experience

Senior Frontend Developer at Bolinda Digital
January 1, 2021 - Present
Led modernization of a legacy JavaScript codebase (4500+ lines) to TypeScript and React; reduced bug reports by 60% and improved developer productivity by 40%. Migrated the platform from an outdated frontend framework to a modern React architecture, supporting 100,000+ active users. Drove frontend standards, architecture decisions, and technical leadership; organized monthly technical workshops and mentored a team of 6-8 engineers; implemented a micro-frontend approach enabling independent deployment of 8 modules.
Frontend Developer
January 1, 2021 - September 18, 2025
Developed new patient monitoring features in React and TypeScript serving 2,500+ medical professionals; improved platform usability through UX optimization; collaborated with backend to optimize API performance; implemented responsive interfaces and ensured accessibility.
Frontend Developer
January 1, 2020 - September 18, 2025
Core product development focusing on React and Redux for Doctorly (healthcare platform) serving 1,200+ medical practices; built patient booking, health record tracking and appointment scheduling; delivered 15+ major features, contributing to significant user growth.
Full Platform Developer at Adventures
January 1, 2018 - Present
Developed complete platform architecture (backend and frontend) supporting 6,000+ registered users across Hungary and neighboring countries; built mobile app with React Native; increased user engagement by 45%. Implemented real-time competition tracking and scoring; collaborated directly with business owner to align technical solutions with operations.

Education

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Qualifications

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Industry Experience

Software & Internet, Healthcare, Professional Services