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Senior Frontend Developer

5 hours, 17 minutes ago
Brazil, Portugal
Contract
Senior
Frontend Engineer / Web Developer
Software Development
Agile CSS Design Systems Git HTML JavaScript Material UI React REST API Scrum Tailwind CSS Three.js TypeScript WebGL
Apply Now
Plain Concepts

Plain Concepts

Plain Concepts: Multinational software company offering innovative solutions in Web, App development, AI, Mixed Reality, Big Data, Blockchain, IoT, and Cloud. Recognized by Microsoft and industry leaders for expertise and innovation.

Internet Software & Services
251-1K
Founded 2006
View All Jobs 9

Description

  • Build and maintain web applications using React and TypeScript.
  • Translate requirements into technical solutions with Product, Design, Backend, and development teams.
  • Improve frontend architecture, development practices, and maintainability.
  • Ensure applications are fast, responsive, accessible, and reliable.
  • Use UI libraries and design systems to deliver consistent user experiences.
  • Review code and share frontend knowledge and best practices.
  • Develop browser-based 3D visualisations and interactive experiences.
  • Build features involving interactive maps and geospatial data.

Requirements

  • 5+ years of frontend development experience.
  • Strong experience with React, TypeScript, and JavaScript.
  • Experience building large or complex web applications.
  • Strong understanding of frontend architecture, patterns, and best practices.
  • Experience integrating REST APIs and working with backend services.
  • Strong knowledge of HTML, CSS, responsive design, and browser behavior.
  • Proficiency with Git and modern development workflows.
  • Ability to work independently, make technical decisions, and take ownership of work.
  • Fluent English and strong communication skills with a collaborative mindset.
  • Must be based in Portugal or Brazil.
  • Experience with Material UI, Tailwind CSS, or similar UI technologies (preferred).
  • Experience with Three.js, WebGL, mapping libraries, data visualisation, performance optimisation, automated testing, or Agile/Scrum (preferred).

Interested in this position?

Apply directly on the company website

Apply Now

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