Senior Consultant – Full Stack Engineer

Rapsys Technologies Pte Ltd.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Rapsys Technologies Pte Ltd in Singapore is seeking a Senior Consultant – Full Stack Engineer to join our dynamic team. You will design and develop a 3D IFC model viewer and contribute across front-end and back-end tasks to deliver complete solutions.

The role requires strong JS/TS skills, understanding of 3D graphics and geometry, and collaboration with backend engineers. We value problem solving, communication, and a drive to learn in a fast-paced environment.

Qualifications

• Familiarity with JavaScript/TypeScript and backend JS runtimes (e.g. Node.js/Deno).
• Good understanding of 3D graphics and/or computational geometry concepts
• Strong problem solving skills and a desire to learn
• Excellent communication and collaboration skills

Responsibilities

• Designing and developing the web-based 3D IFC model viewer, from architecture through to implementation
• Exploring and evaluating relevant open-source libraries and tools (e.g. IFC parsers, WebGL frameworks)
• Implementing model navigation features (e.g. object selection, section cuts, and property inspection, etc.)
• Collaborating with backend engineers on server-side geometry processing and data APIs
• Optimising viewer performance when dealing with large, complex files
• Iterating on the viewer based on feedback from end users

Skills

JavaScript

TypeScript

Node.js

3D graphics

Computational geometry

Tools

WebGL

Babylon.js

IfcOpenShell

Job description

We're Hiring: Senior Consultant – Full Stack Engineer!

We are looking for a highly skilled and experienced Senior Consultant – Full Stack Engineer to join our dynamic team in Singapore. The ideal candidate will possess extensive knowledge of both front-end and back-end technologies, enabling them to deliver comprehensive solutions that meet our clients' needs.

Location: Singapore, Singapore
Work Mode: Work from Office
Role: Senior Consultant – Full Stack Engineer

What you will be working on

• Designing and developing the web-based 3D IFC model viewer, from architecture through to implementation
• Exploring and evaluating relevant open-source libraries and tools (e.g. IFC parsers, WebGL frameworks)
• Implementing model navigation features (e.g. object selection, section cuts, and property inspection, etc.)
• Collaborating with backend engineers on server-side geometry processing and data APIs
• Optimising viewer performance when dealing with large, complex files
• Iterating on the viewer based on feedback from end users

What we are looking for

• Familiarity with JavaScript/TypeScript and backend JS runtimes (e.g. Node.js/Deno)
• Good understanding of 3D graphics and/or computational geometry concepts
• Strong problem solving skills and a desire to learn
• Excellent communication and collaboration skills

Familiarity with any of the following would be a plus:

• Web development (Frontend/Backend/Full-stack)
• WebGL or related 3D frameworks (e.g. Babylon.js)
• Python and libraries like IfcOpenShell
• Building Information Modeling (BIM) concepts
• Geospatial data and information
• Agentic development workflows (e.g Claude Code)
• WebAssembly