My key responsibilities include:

• Creating and maintaining reusable component libraries and design systems

• Translating business requirements into UX flows, wireframes and polished UI in Figma

• Analyzing user needs and proposing product enhancements and UX improvements

• Collaborating with designers, lead them and maintain design process to achieve the best results in feature delivering

• Leading architectural and design decisions for new product features and application modules

• Maintaining and continuously improving design systems

Key achievements:

• Created secondary design system for internal apps

• Improved UX of key workflows based on customer feedback and data insights

I lead the development of modern frontend architectures with a strong focus on both user experience and developer experience. My role sits at the intersection of engineering, design, and product strategy.

My key responsibilities include:

• Designing scalable and modular frontend architecture (React, HTML, CSS)

• Creating and maintaining reusable component libraries and design systems

• Improving developer experience (DX) through consistent code structure, documentation, and tooling

• Collaborating with designers, PMs and backend engineers in cross-functional teams

• Leading architectural and design decisions for new product features and application modules

• Supporting onboarding and knowledge sharing across the frontend team

Key achievements:

• Proposed and implemented a modular component structure, improving dev onboarding speed

• Re-architected the frontend to support custom autogenerated api layer

Responsible for developing and maintaining the frontend of Alza.cz's main e-commerce platforms — desktop and mobile web — with a focus on performance, user experience, and scalability.

Working in a high-traffic environment with millions of users, contributing to critical features, interface improvements, and long-term code sustainability.

Key responsibilities:

• Implementing UI components and features in a custom frontend stack

• Ensuring responsive and accessible design across devices

• Optimizing performance for large-scale traffic and SEO-critical content

• Collaborating with UX, backend, and product teams on core shopping flows

• Maintaining clean, modular code with emphasis on maintainability and reusability

Key focus areas:

E-commerce UI/UX · Mobile-first development · JavaScript · HTML/CSS · Performance optimization · Design implementation · A/B testing · Agile collaboration

Worked on multi-channel frontend development with a strong focus on JavaScript-based solutions across web, mobile apps, and responsive HTML emails. Ensured visual consistency, performance, and cross-platform reliability.

Key responsibilities:

• Developing responsive HTML emails using hand-coded HTML/CSS with inline styles and email-specific constraints

• Building user interfaces for web and hybrid mobile applications using JavaScript

• Ensuring cross-platform performance and compatibility, including mobile browsers and email clients

• Implementing dynamic UI components and interactive elements where supported (e.g., in-app views)

• Collaborating with designers and marketers to align UI with branding and campaign goals

Key focus areas:

JavaScript · HTML5/CSS3 · Responsive Email Development · Mobile-first UI · Cross-platform Frontend · Hybrid App Interfaces · UI Implementation · Accessibility

Delivered complete Magento 2 e-commerce solutions — from frontend coding to full shop configuration. Worked across the entire implementation stack to build, customize and optimize B2C/B2B e-shops tailored to client needs.

Key responsibilities:

• Developing responsive and customized frontend themes using Magento 2 templating (HTML, CSS, JavaScript)

• Setting up and configuring entire e-shop instances: products, attributes, payment/shipping methods, taxes, etc.

• Implementing and customizing third-party extensions and Magento 2 plugins

• Creating custom modules to extend native functionality where needed

• Ensuring cross-browser/mobile compatibility, performance, and UX consistency

• Collaborating with designers, project managers and backend developers to deliver functional, stable, and scalable e-commerce experiences

Key focus areas:

Magento 2 · JavaScript · HTML/CSS · Theme & Layout Development · Plugin Configuration · Custom Module Development · E-commerce Architecture · Admin Configuration