React/TypeScript Developer for 4D BIM Viewer

Project: Build an MVP for a Web-based 4D BIM Viewer We are looking for an experienced React/TypeScript developer with experience in That Open Engine (formerly IFC.js), three.js, and preferably Frappe Gantt. The goal is to build an MVP that links an IFC model with a Gantt schedule and visualizes construction progress. MVP Scope Upload and display an IFC model in a web browser. Extract IFC objects (GlobalId, Type, Name). Display a Gantt chart with manually created tasks. Link tasks to IFC objects using their GlobalIds. Synchronize the viewer and Gantt: Click a task → highlight the corresponding IFC objects. Click an IFC object → highlight the corresponding task. Add a timeline slider to visualize progress: Future objects = gray Active objects = blue Completed objects = green Tech Stack React TypeScript That Open Engine (IFC.js) three.js Frappe Gantt (or similar) Deliverables Complete source code Working React application Installation instructions Clean, well-documented code Nice to Have Experience with BIM, IFC, or 4D planning applications. Previous work with That Open Engine or IFC.js.