Frontend Engineer

Polars (Headquarters: Amsterdam / Hybrid / Remote)

Frontend JavaScript TypeScript React Vue Angular Svelte HTML CSS UI/UX Polars Cloud Data Visualization Front End Engineer

Join Polars, a company built on a vibrant open-source community, setting a new standard in Python data processing with our core library and Polars Cloud. We trust talented people, minimize meetings, and prioritize craftsmanship and progress.

We are looking for a talented Frontend Engineer to design and develop engaging and intuitive user interfaces, primarily for Polars Cloud and potentially other web-based tools. You will translate complex data interactions into seamless user experiences.

Responsibilities:
- Develop, test, and maintain user-facing features using modern frontend frameworks (e.g., React, Vue, Svelte, Angular).
- Collaborate with Product Designers and Backend Engineers to create high-quality user experiences.
- Write clean, maintainable, and performant code (JavaScript/TypeScript, HTML, CSS).
- Optimize applications for maximum speed and scalability.
- Ensure technical feasibility of UI/UX designs.
- Stay up-to-date with emerging frontend technologies and best practices.

Technical Skills Required:
- Strong proficiency in JavaScript/TypeScript, HTML5, and CSS3.
- Experience with one or more modern frontend frameworks (React, Vue, Svelte, Angular, etc.).
- Understanding of state management patterns and libraries.
- Experience with frontend build tools (Webpack, Vite, etc.) and testing frameworks.
- Familiarity with RESTful APIs and asynchronous request handling.
- An eye for UI/UX design principles is a plus.

Ideal Candidate:
- Passionate about creating exceptional user interfaces and experiences.
- Enjoys tackling complex frontend challenges, especially related to data visualization or interaction.
- Values craftsmanship, collaboration, and user-centric design.
- Thrives in a fast-paced environment with high trust and minimal constraints.