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Bartosz Magier, Senior Frontend Engineer

+16years in frontend

I’m Bartosz, a senior frontend engineer who started as a designer. I build fast, accessible interfaces in React and TypeScript.

Open to new roles

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Portrait of Bartosz Magier

Experience

  1. 2022PresentSenior Frontend EngineerUnic AG
    • Built and maintained enterprise e-commerce platforms in React and Angular, supporting 50k+ monthly users.
    • Improved accessibility and frontend performance across e-commerce interfaces.
    • Partnered with cross-functional teams to deliver scalable features on schedule, aligning solutions with business objectives.
    • Used AI-assisted development workflows to accelerate implementation and code review while owning architecture, quality, and delivery.
  2. 20202022Lead DeveloperWedsly
    • Led and mentored a 5-person mixed development team, establishing coding standards and review processes that improved code quality.
    • Designed technical architecture for core platform features, ensuring scalability and reliability to support future product growth.
    • Acted as a UI/UX consultant, aligning product, design, and engineering teams to deliver design-driven improvements.
  3. 20182020Senior Frontend DeveloperThe Software House
    • Delivered web applications in React, Vue, and Svelte for international clients in fintech, healthcare, and e-commerce.
    • Promoted knowledge-sharing as a speaker at the Uszanowanko Programowanko conference, contributing to the company’s technical visibility.
  4. 20162018Senior Frontend DeveloperLife in Mobile
    • Built a large-scale Vue SPA using ES6, Babel, and REST APIs.
    • Collaborated with the design team to deliver pixel-perfect interfaces.
  5. 2016Frontend DeveloperNetkata
    • Developed WordPress/Drupal websites with performance optimization.
    • Implemented responsive layouts, custom themes, and CMS-based content workflows.

Earlier experience

  1. 20152018

    Freelance Frontend Developer, Freelance

  2. 20122015

    Lead Web Designer / Frontend Developer, Cyberstudio

  3. 20102012

    Web & Graphic Designer / Webmaster, PTWP S.A., Studio-Impuls, Extomusic

Skills

Frontend

  • TypeScript
  • JavaScript
  • React
  • Vue
  • Angular
  • Svelte
  • HTML
  • CSS/SCSS

Architecture and UX

  • Component Architecture
  • Design Systems
  • Accessibility
  • Responsive UI
  • Performance

Quality and Tooling

  • Git
  • CI/CD
  • Docker
  • Figma
  • Node.js
  • REST API
  • GraphQL
  • Code Review

AI-assisted Development

  • Claude Code
  • AI Code Review
  • Specification-Driven Workflows

Leadership

  • Mentoring
  • Frontend Processes
  • Technical Leadership

Languages

  • Polish – Native
  • English – B2+

Interests

  • Improv Theatre
  • Stand-up Comedy
  • Homelab and Self-Hosted Infrastructure
  • Smart-Home Automation
  • Cycling

Contact

I’m open to new roles. The quickest way to reach me is email.

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