JavaScript Engineer — 3D Web Developer

**Who We Are Seeking** We seek a talented and experienced Full\-Stack JavaScript Developer with 3D experience to join our international team. This role presents an excellent opportunity for those looking to work in a dynamic environment and be part of a high\-performing international team, offering ample opportunities for growth and development in technical and interpersonal skills. We seek an energetic, driven, and articulate team player who is truly passionate about their work. **Role and Responsibilities** * **Architecture \& Hands\-on Development:** Technical design and delivery of new features across the TypeScript codebase (React/Next.js and Node.js). * **Core 3D Configurator:** Architecting a high\-performance web scene (Three.js/Babylon.js) to load, display, and interact with models for non\-technical users and support higher\-precision editing such as decals, placement, and transforms for experienced users * **Sticker:** Implementing feature where users are able to drop, rotate, reposition, and scale stickers/images seamlessly across curved model surfaces. * **Real\-time Texture Painting (Pen \& Brush):** Creating a "Pen \& Brush" tool that allows users to freehand draw directly onto the 3D garment and dynamic UV mapping. * **Text Manipulation Tools:** Building a feature to generate dynamic text (with custom fonts and styling), rasterize it, and project it onto the models as a texture layer. * **UV Mapping Logic:** Handling complex UV wrapping issues to ensure textures, drawings, and patterns wrap around seams and folds naturally without distortion. * **Asset Ingestion:** Build robust logic to support the ingestion of **GLB and FBX** assets with embedded textures. **Essential Qualifications** * **Expert JavaScript/TypeScript:** 5\+ years of software development experience with strong proficiency in modern ES6\+ syntax. * **3D Web Libraries:** Extensive commercial experience with **Three.js** , **React Three Fiber (R3F)** , or Babylon.js . * **Graphics Math \& Geometry:** Solid understanding of Linear Algebra (Vectors, Matrices) and Raycasting logic required for the "Sticker", “Material” and "Painting" tools. * Strong professional experience with **Firebase** (Firestore, Cloud Functions, Authentication, Hosting, and Storage). * Understanding of web application architecture, **REST** APIs, and client–server communication. * Experience with version control systems ( **Git** ) and collaborative development workflows. * Good understanding of **UI/UX principles, responsive design, and cross\-browser** compatibility. * Excellent communication skills and ability to work collaboratively in a team environment. * Excellent English verbal and written. **Who We Are:** DevGrid is a top\-tier software consulting company based in the UK, with a development hub in Brazil and operations spanning Europe and the US. We believe that world\-class software can only be created by a motivated and enthusiastic team in an environment that fosters creativity and free thinking. Established in 2015, our mission is to drive innovation and digital transformation by combining our robust business culture and exceptional engineers with forward\-thinking business insights. *\*\*All DevGrid positions are open to individuals from all backgrounds (including all races, colors, nationalities, religions, genders, sexual orientations, disabilities, ages, or other applicable characteristics), promoting equal opportunities and affirmative action.*