3D Graphics Software Engineer - Browser Renderer & CAD

Mach9 Robotics Inc.; San Francisco (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

Mach9 is building an in-browser 3D engine to render tens of millions of points for LiDAR datasets, enabling CAD-grade tools and precise engineering deliverables. The Digital Surveyor role focuses on extending the renderer, implementing clipping, snapping, and camera controls, and delivering high-performance software for large, real-world datasets.

You will work on a production renderer, collaborate with engineers, and own meaningful outcomes while exploring practical solutions in challenging

Qualifications

• Strong foundation in 3D math and spatial reasoning.
• Experience building software through coursework, projects, internships, or work.
• Ability to read and change code you did not write.
• Attention to correctness and performance.
• Judgment on when to refine a solution vs. ship it.
• Experience with TypeScript and browser graphics, or comparable graphics code in a statically typed language.
• Initiative to investigate problems and finish what you start.

Responsibilities

• Build 3D tools that surveyors use to inspect point clouds and create precise engineering drawings.
• Extend our point-cloud renderer and GPU picking system.
• Solve geometry problems behind clipping, snapping, construction planes, and camera controls.
• Find and fix performance problems that appear with large real-world datasets.
• Improve the shared rendering and interaction systems behind our CAD tools.

Skills

3D math

Spatial reasoning

Transforms

Planes

Projections

Code reading

Performance optimization

TypeScript

Browser graphics

Initiative

Tools

WebGL

GLSL

Three.js

Cesium

Job description

Mach9 is building an in-browser 3D engine to render tens of millions of points for LiDAR datasets, enabling CAD-grade tools and precise engineering deliverables. The Digital Surveyor role focuses on extending the renderer, implementing clipping, snapping, and camera controls, and delivering high-performance software for large, real-world datasets.

You will work on a production renderer, collaborate with engineers, and own meaningful outcomes while exploring practical solutions in challenging