Senior Full-Stack & 3D Web Graphics Engineer – Three.js / WebGL (VIENNA)

VZUAL 3D; Wien; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

VZUAL 3D seeks a Senior Full-Stack & 3D Web Graphics Engineer to join our hybrid Vienna team. You will work with an external development partner to enhance the platform, focusing on real-time 3D rendering, shaders, and deep architecture knowledge.

Regular in-office presence in Vienna is mandatory and you will own selected platform components. This role emphasizes hands-on engineering over project management, with collaboration across frontend, backend, and graphics teams to deliver high-quality

Qualifications

• This role requires hands-on 3D web graphics experience with core Three.js/WebGL knowledge.
• Experience with GLSL/shader development, JavaScript/TypeScript, and React is essential.
• Proficiency in Node.js, modern browser APIs, REST APIs, and Git workflows is expected.
• Desirable familiarity with AWS, PostgreSQL and related tools is a plus.

Responsibilities

• Develop new VZUAL features across frontend and backend.
• Work extensively with Three.js and WebGL.
• Develop and optimize custom GLSL shaders.
• Build advanced real-time materials, visual effects and rendering techniques.
• Improve rendering performance and visual quality.
• Extend Node.js backend services and APIs.
• Investigate and fix bugs across the stack.
• Review external team code and coordinate implementation details.

Skills

Three.js

WebGL

GLSL / shader development

JavaScript / TypeScript

React

Node.js

Modern browser APIs

REST APIs / web app architecture

Git / software workflows

Tools

Git

AWS

PostgreSQL

Job description

Work model: Hybrid – regular in-office presence in Vienna is mandatory

Preferred residence: Vienna, Lower Austria or Burgenland

Employment: Full time (40h)

About VZUAL

Location: Vienna, Austria

Work model: Hybrid – regular in-office presence in Vienna is mandatory

Preferred residence: Vienna, Lower Austria or Burgenland

Employment: Full time (40h)

VZUAL 3D transforms static product presentations into immersive, interactive 3D experiences delivered through the browser. Its digital prototyping platform enables brands, manufacturers, designers, and converters to create, visualize, and share highly realistic product concepts before production begins.

Our platform combines real-time 3D rendering, physically based materials, complex print-finishing effects and enterprise workflows directly in the browser. We work with international enterprise customers and are expanding our development capabilities in Austria.

We are now looking for a Senior Full-Stack & 3D Web Graphics Engineer who can become the technical counterpart to our external development team and build deep knowledge of the entire VZUAL platform.

This is not a project-management role. Product direction, priorities and project management remain with the founder/CEO.

Your role is to develop, understand and strengthen the technology itself.

Your Role

You will work directly on VZUAL together with our existing external development team.

A key objective of this position is to build strong technical redundancy inside Austria: you should understand the architecture and codebase deeply enough to independently investigate problems, fix critical bugs and take ownership of individual areas of the platform when required.

You will also actively contribute to the development of new features, especially around advanced real-time 3D graphics.

Your responsibilities will include:

• Developing new VZUAL features across frontend and backend
• Working extensively with Three.js and WebGL
• Developing and optimizing custom GLSL shaders
• Building advanced real-time materials, visual effects and rendering techniques
• Working with PBR materials, textures, normal maps, displacement, roughness, metalness, transmission, clearcoat, anisotropy and similar rendering concepts
• Improving rendering performance and visual quality
• Developing complex React-based user interfaces for interactive 3D applications
• Extending Node.js backend services and APIs
• Investigating and fixing bugs across the application stack
• Reviewing and understanding code produced by our external development team
• Collaborating technically with external developers and discussing implementation approaches
• Reviewing technical solutions and identifying architectural or performance issues
• Taking responsibility for selected technical components of VZUAL
• Building sufficient knowledge of the complete platform to provide technical continuity and redundancy in Austria
• Prototyping new graphics and visualization concepts

What We Are Looking For

This position requires real hands-on 3D web graphics experience.

Three.js/WebGL knowledge is not a nice-to-have. It is one of the core requirements of the role.

You should have strong experience with:

• Three.js
• WebGL
• GLSL / custom shader development
• JavaScript / TypeScript
• React
• Node.js
• Modern browser APIs
• REST APIs and web application architecture
• Git and professional software-development workflows

Experience with several of the following is highly desirable:

• WebGPU
• React Three Fiber
• Advanced PBR rendering
• Custom materials and ShaderMaterial
• GPU performance optimization
• Texture processing and UV mapping
• 3D model formats such as GLTF / GLB / OBJ
• Blender or other 3D tools
• Canvas / SVG graphics
• AWS
• PostgreSQL / MongoDB
• WebSockets
• CI/CD
• Computer graphics, visual computing or game-engine development
• Image processing or computational geometry

What Matters More Than Your CV

We are looking for someone who enjoys understanding how things work under the hood.

If you see a rendering problem, you should want to understand whether the problem comes from geometry, normals, UVs, material parameters, shaders, lighting, tone mapping, texture filtering or the rendering pipeline itself.

You should be comfortable opening an unfamiliar part of a large application, understanding it and eventually being able to modify it confidently.

We value strong engineering judgment, curiosity and the ability to solve technically difficult problems over titles or corporate hierarchy.

What This Role Is Not

This is not a Scrum Master, Product Manager or traditional Engineering Manager position.

You will not be responsible for managing roadmaps, budgets or customer projects.

You will be expected to communicate with external developers, review technical decisions and coordinate implementation details where necessary — but your primary job is software engineering.

Working at VZUAL

VZUAL is still a small company, which means you will work very close to the product and have significant influence on how the technology evolves.

You will work directly with the founder and with an established external development team.

You will have the opportunity to work on technically challenging problems that combine:

Web development + real-time 3D graphics + materials + printing technology + enterprise software.

We are looking for someone who wants to become one of the people who understands VZUAL technically better than almost anyone else.

Location

The position is hybrid, but regular physical presence at our Vienna office is mandatory.

For this reason, candidates should be based in:

• Vienna
• Lower Austria
• Burgenland

or within practical commuting distance of Vienna.

This is not a fully remote position.