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Senior Frontend Developer (They/She/He)

  • Freelance
  • Part time
  • Hybrid (4000-437, Porto, Porto, Portugal)
  • Engineering

About PlatformE

PlatformE is a leading innovator in the fashion industry. We are revolutionizing the fashion business with personalization and streamlined processes. Our mission is to reduce overproduction and waste in the fashion industry through the use of digital technologies.

Your mission

We’re looking for a Senior Frontend Developer (Freelance) to help build an exciting new application for customizing and personalizing products on e-commerce platforms. This role is key to ensuring an advanced front-end experience, both for shop owners preparation and configuration of products and for creating a flawless and engaging customization experience for end-users.

As the frontend will be absolutely crucial to the product’s success, we need a skilled developer with deep expertise in React.js and canvas libraries to bring this vision to life.

This is a full-time freelance position for several months, with the possibility of extension as we continue evolving the product and releasing new versions.

We’re looking for someone to start ASAP!


What You’ll Bring to the Team

  • 5+ years of experience in React.js and building advanced frontend applications
  • Experience with canvas libraries such as Konva.js, Fabric.js, or PixiJS
  • Experience integrating with REST & GraphQL APIs
  • Familiarity with PDF generation tools (e.g., jsPDF, PDFMake, Puppeteer)
  • Knowledge of cloud storage integration
  • Experience with webhook integration for order events
  • Shopify experience is a plus (e.g., Shopify CLI, Theme App Extensions)
  • Strong proficiency in English, both written and spoken, to effectively communicate with team members and stakeholders.