Senior Frontend Developer

4 tygodni temu

Ul Wadowicka Buma Square Park Kraków, Polska Gecko Dynamics sp. z o.o. Pełny etat
Senior Frontend Developer

We are seeking a highly skilled Senior Frontend Developer to join our team at Gecko Dynamics sp. z o.o. in Krakow. As a key member of our high-performance team, you will be responsible for crafting exceptional user experiences and implementing polished UIs across various projects.

Key Responsibilities:
  • Lead the development of new features and components with a focus on clean, maintainable code.
  • Work primarily on customer-facing web interfaces, ensuring seamless user experiences.
  • Refactor and optimize existing code to improve performance and maintainability.
  • Build custom, scalable web components using vanilla JS/TS.
  • Ensure cross-browser compatibility and build responsive, accessible UIs that scale effortlessly across devices.
Requirements:
  • 6+ years of commercial experience in JavaScript and TypeScript with a focus on front-end development.
  • Deep understanding of vanilla JS/TS, including advanced patterns and concepts like closures, prototype chains, and DOM events.
  • Proven ability to write "vanilla" interfaces - framework knowledge is good, but fundamental JS/DOM expertise is essential.
  • Strong grasp of performance optimization techniques (e.g., requestAnimationFrame, minimizing layout thrashing).
  • Experience building accessible UIs that comply with web standards.
  • Proficiency in ensuring cross-browser functionality, responsive design, and mobile-first development.
What We Offer:
  • Gain hands-on experience with the Shopify platform by working on one of the largest Shopify-based e-commerce stores.
  • Work on a platform that handles millions of users and sessions, allowing you to tackle complex, rewarding challenges.
  • Be part of a high-performing team that cares about UI/UX and solving technical problems.
  • Competitive salary and opportunities for growth.

To apply, please include your portfolio or links to recent projects along with your application, showcasing examples of your front-end development expertise.

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