Senior 3D Web Developer (m/f/d)

To further grow our team in the Digitalization Department, we are looking for a Senior 3D Web Developer located in Göteborg, Sweden with a strong focus on web-based 3D technologies who takes ownership of our 3D training runtime and actively shapes the technical foundation of our platform. In this role, you will work closely within the team to build high-quality, scalable, and performance‑optimized 3D training solutions.

We are developing a web-based 3D digital training platform for professional and industrial training scenarios.

Our SaaS solution delivers interactive, real-time 3D training experiences directly in the browser, focusing on simulation logic, object interaction, and immersive training workflows.

The Role

3D Digital Training & Simulation

• Design, develop, and maintain our interactive web-based 3D training solution
• Implement 3D scenes, object hierarchies, animations, and interaction logic using
• Develop training logic and state machines (steps, conditions, validations, feedback)
• Integrate features for upload and render 3D assets, create animations and other logical steps
• Optimize rendering performance, loading times, and memory usage for complex scenes

Backend & Platform Development

• Develop backend services and APIs to support training data, scenarios, and progress
• Ensure stability, scalability, and robustness of the overall platform
• Collaborate with DevOps on deployment, monitoring, and runtime performance

Quality & Performance

• Analyze and resolve performance bottlenecks in 3D rendering and simulation logic
• Contribute to automated and manual testing strategies
• Support bug analysis, fixing, and continuous improvement of training quality
• Work closely with product and QA to define acceptance criteria for the solution

Senior-Level Responsibilities

• Take technical ownership of the 3D training runtime
• Shape and evolve the architecture of the web-based 3D platform
• Drive technology decisions around Babylon.js, Three.js, WebGL, and browser-based 3D
• Review code and provide constructive, high-quality feedback
• Act as a technical sparring partner for product management

Skills and Experiences

• Several years of professional experience as a Senior Developer, ideally with a focus on 3D or simulation
• Strong hands‑on experience with Babylon.js and/or Three.js
• Solid understanding of WebGL, real‑time rendering, and 3D scene architecture
• Experience building interactive 3D applications in the browser
• Strong JavaScript / TypeScript skills
• Backend experience (e.g. ASP.NET Core, Node.js, or similar) for platform integration
• Experience with relational databases and data modeling
• Experience with cloud‑based platforms and SaaS systems
• Hands‑on Experience with AI assisted development
• Fluent in English (spoken and written)

Nice to Have

• Experience with VR, simulation, or digital twin applications
• Knowledge of physics, constraints, or animation systems
• Experience optimizing 3D applications for enterprise browser environments
• Familiarity with CI/CD pipelines and modern DevOps workflows