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Urgent! Full-Stack Developer (React + Node.js + TypeScript) - Local Job Opening in Madrid

Full Stack Developer (React + Node.js + TypeScript)



Job description

Adtraction Labs is growing, and we're looking for a passionate Full-Stack Developer (React + Node.js + TypeScript) to join our team.

You’ll work on building and improving scalable web applications using modern technologies across both the frontend and backend.

This is a great opportunity to work across diverse systems, learn new tools, and take full ownership of features.

You’ll be involved in the full life cycle of your code: develop, test, deploy, maintain, and improve.

Required Skills

Strong experience in frontend development with React, JavaScript, TypeScript, HTML5, CSS3

Proficient in Node.js and backend development using Express (required for Shopify App Development)

Familiarity with REST APIs, API design, and integration

Experience working with databases (MySQL, MongoDB)

Comfortable working with tools like Git, CI/CD, and modern dev workflows

Focus on clean code, testing, security, and development best practices

Able to work in both Spanish and English (we also consider applicants who only speak English)

Nice to Have

Experience with React, Next.js, Astro, or similar frameworks

Knowledge of Shopify App Development (APIs, webhooks, embedded SDK)

Familiarity with headless CMS (GraphCMS, Umbraco, GraphQL, or similar)

Understanding of Tailwind CSS or similar utility‑first CSS frameworks

Experience with Vue.js, Razor/C#, or Chrome Extensions

Interest in UI/UX and attention to front‑end detail

What We Offer

Remote‑friendly work policy + office in central Madrid

Work style: remote most of the week with in‑office sync on Mondays

Flexible Fridays ending at 16:30 (12:30 on Saturdays)

Work with experienced professionals in a collaborative, international team

Regular company trips and a vibrant culture

A competitive salary package

A permanent contract after a trial period

Equipment: MacBook + mobile phone

About Adtraction Labs Adtraction Labs is a research and development team focused on providing diverse solutions in technology to boost affiliate marketing products’ growth.

We prototype, develop, and refine solutions to empower advertisers and publishers with performance‑driven marketing tools.

Our mission is to push the boundaries of partner marketing through data‑driven insights, automation, and scalable technology.

Looking forward to your application!

Please Note Referrals increase your chances of interviewing at Adtraction by 2x.

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