GROPYUS

Freelance Frontend Engineer (all genders)

GROPYUS
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15 days ago
Berlin, GermanyMid Level

Responsibilities

  • Develop and evolve React-based frontend experiences for a 3D parametric visualization and configuration platform.
  • Build interactive 3D visualization capabilities using Three.js, HTML5 Canvas, WebGL, and internal canvas-based libraries.
  • Translate product and design requirements into robust, intuitive, and performant user experiences.
  • Integrate frontend applications with gRPC APIs and backend services.
  • Contribute to backend development by implementing or extending API endpoints when needed.
  • Collaborate with software engineers, product managers, and product designers on features and design systems.
  • Maintain, test, debug, and continuously improve production-grade applications.

Requirements

  • Strong experience with React and modern TypeScript-based frontend development.
  • Experience building complex, interactive web applications with a focus on usability and performance.
  • Hands-on experience with Three.js or other 3D web technologies.
  • Experience with HTML5 Canvas, WebGL, or similar visualization frameworks.
  • Understanding of frontend architecture, state management, component design, and performance optimization.
  • Experience integrating frontend applications with gRPC APIs and backend services.
  • Ability to work across the stack when needed, including implementing or extending backend endpoints.
  • Experience with design systems and close collaboration with product designers.
  • Familiarity with testing, debugging, and maintaining production-grade applications.
  • Interest in 3D visualization, CAD-like applications, digital planning tools, or parametric systems is a strong plus.
  • Experience with Kotlin, Azure, or backend development is beneficial but not required.

Benefits

  • Self-employed or contractor setup required for taxation purposes.
  • Remote work from anywhere in the EU.
  • Estimated project load of 30–40 hours per week.
  • Contract duration of approximately 6–8 months.

Tech Stack

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GROPYUS

About GROPYUS

201-500 employees
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