Frontend Engineer at Catawiki

✨ The Stack take on this Catawiki job

• 🏢 Catawiki has 12 jobs here, 10 with visa sponsorship see all
• 🛂 Visa: EU Blue Card. Salary: At least 1.5 times the national average annual salary (1.2 times in some cases) guide
• 💡 No salary shown. Ask Catawiki if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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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.

Key skills

• TypeScript — in 467 other listings on The Stack
• ReactJS — in 17 other listings on The Stack
• JavaScript — in 141 other listings on The Stack
• HTML — in 23 other listings on The Stack
• CSS — in 31 other listings on The Stack
• NextJS — in 25 other listings on The Stack
• Redux — in 4 other listings on The Stack
• CSS Modules — not in any other listing on The Stack
• Tailwind
• Rails
• NodeJS
• SOLID
• DRY
• A11y
• SEO
• Performance Optimization

On The Stack (as of 2026-11-05)

• Catawiki has 11 other listings on The Stack, 9 of them marked as offering visa sponsorship.
• 20 visa-sponsored jobs in Portugal on The Stack, posted in the last 60 days.

Frequently asked questions about Catawiki

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.