Frontend Developer

Senior Frontend Engineer

Freelance Contract

Hybrid 1 day per week onsite (Amsterdam)

€70 to €80 per hour

Overview

We’re supporting a global consumer platform undergoing major investment in its digital payments and checkout ecosystem. They are hiring a Senior Frontend Engineer to help shape and scale high traffic web applications used across multiple international markets.

This is a hands on senior role focused on performance, architecture, and customer critical user journeys rather than marketing sites or brochureware builds.

What you’ll be doing

• Building and scaling modern React and Next.js applications in production environments

• Driving frontend architecture decisions and engineering standards

• Improving performance across checkout and transaction heavy user journeys

• Implementing robust testing stra...