161 react English-speaking jobs in Catalonia

Hands-on experience with prompt engineering, function calling and LLM agent architectures such as ReAct

Frontend: TypeScript, React, Next.js, Tailwind Backend: Node.js, Supabase and Postgres, Vercel infrastructure

Mobile: React Native with TypeScript. Analytics: BigQuery, Mixpanel, Metabase.

Mobile: React Native with TypeScript. Analytics: BigQuery, Mixpanel, Metabase.

to): Design and test multi-turn, state-aware conversational systems using LLM reasoning loops (e.g., ReAct

While backend is your priority, you don't shy away from the frontend; practical expertise in React sis

Familiarity with React-based applications and modern web product integration.

While backend is your priority, you don't shy away from the frontend; practical expertise in React sis

Angular, React or Vue? GraphQL? Redux, Relay Modern, Apollo? JavaScript fatigue? Static typing?

maker: you prototype instead of debating, you can build a working version of your ideas (HTML/CSS/JS, React

ðð§ Technical Foundation (Not Strict Requirements)Strong candidates often have: Deep experience with React

maker: you prototype instead of debating, you can build a working version of your ideas (HTML/CSS/JS, React

Deep technical mastery of React, Next.js (App Router), TypeScript, and Node.js.

Deep technical mastery of React, Next.js (App Router), TypeScript, and Node.js.

Deep technical mastery of React, Next.js (App Router), TypeScript, and Node.js.

We ensure code reliability through rigorous testing using Jest and React Testing Library, among others

like ReactJS, Graphql, storybook to speed up developments, testing frameworks and libraries like Jest, React

Our core stack is Ruby on Rails and React, but the interesting work right now is what we're building

You have the ability to adapt and react fast to an ever-changing environment.

You have the ability to adapt and react fast to an ever-changing environment.