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Senior Frontend Engineer - React.JS (Portugal, f/m/d)

F11
Location 📍 porto, Portugal
Posted 📅 June 23, 2026
Work Type ⏰ Full-time

Position Overview

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YOUR MISSION

We are looking for a highly-skilled Senior Frontend Engineer to join one of our development teams. In this role, you will be responsible for developing and implementing user interface components using React.js with technologies such as TypeScript, GraphQL, Jest, Cypress and Vite, as we build the future of AI-powered digital advertising. You will also be responsible for testing, profiling and improving front‑end performance and documenting our front‑end codebase, and mentoring your teammates, planning tasks and estimating workloads.

You’ll be working within a cross‑disciplinary team under the Engineering Manager to contribute to our multi‑tenant SaaS product. This is a high‑impact role for someone who thrives on elevating engineering standards, and driving a forward‑thinking, AI‑first approach across the organization.

To ensure success as a senior frontend engineer, you shou...

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Job Details

Employment Type
Full-time
📊
Category
TI e tecnologia
🏠
Work Arrangement
On-site
📍
Location
porto, Portugal