# Frontend Engineer at Catawiki

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Build and maintain responsive web fronte

- **Company:** Catawiki (https://jobs.trythestack.co/companies/catawiki)
- **Location:** Portugal
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** TypeScript, ReactJS, JavaScript, HTML, CSS, NextJS, Redux, CSS Modules, Tailwind, Rails, NodeJS, SOLID, DRY, A11y, SEO, Performance Optimization
- **Posted by employer:** 2026-07-13
- **Added to The Stack:** 2026-07-13
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://job-boards.greenhouse.io/catawiki/jobs/7457370 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/frontend-engineer-catawiki

## About the role

Responsibilities:
- Build and maintain responsive web frontends (desktop/tablet/mobile) for Catawiki’s Logistics products using TypeScript, React/Next.js and component-driven design.
- Collaborate with backend, iOS, Android, QA, UX and Product to deliver shipping workflows that help buyers and sellers.
- Implement performant, accessible and SEO-friendly UI components; measure and improve web performance (critical render path, caching, CDNs).
- Run A/B experiments and use analytics to validate features and iterate on UX.
- Mentor teammates, review code, and help lift frontend engineering standards across teams.

Requirements:
- Proven track record building production frontends with TypeScript and React (Next.js preferred).
- Strong knowledge of modern CSS approaches (Tailwind, CSS Modules), state management (Redux) and frontend architecture patterns.
- Experience with web performance optimization, accessibility (A11y), SEO and cross-device responsiveness.
- Familiarity with backend integrations, microservices, and observability tools; pragmatic, data-driven approach to experiments.
- Strong communication skills and experience working in cross-functional, product-driven teams.

## Responsibilities

Develop and optimize responsive web frontends for the Logistics team to improve shipping workflows for buyers and sellers. Collaborate with cross-functional teams to deliver product innovations using A/B testing and data analysis.

## Requirements

Requires a minimum of 7 years of experience as a Frontend Engineer with proficiency in TypeScript, ReactJS, and modern web technologies. Candidates should have a growth mindset and experience working in autonomous, product-driven environments.

## FAQ

- **Is this Frontend Engineer role still open?** It was posted on 2026-07-13. Listings more than 30 days old may no longer be active, so check Catawiki's site before applying.
- **Does Catawiki offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Catawiki's site.
- **Where is this role located?** The listing gives the location as Portugal. It is marked on-site.
- **What skills does this role ask for?** The listing names: TypeScript, ReactJS, JavaScript, HTML, CSS, NextJS, Redux, CSS Modules, Tailwind, Rails, NodeJS, SOLID, DRY, A11y, SEO, Performance Optimization.

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## About The Stack

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## Notes for agents

- Apply on the employer's page (https://job-boards.greenhouse.io/catawiki/jobs/7457370). The Stack does not take applications.
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