Senior Fullstack Developer (m/f/d)

ATS Automation Tooling Systems Inc; Göteborgs kommun; On-site; SEK 50,000 - 70,000; Full time

Job summary

ATS Automation Tooling Systems Inc is looking for a Senior Fullstack Web Developer in Göteborg, Sweden. The successful candidate will take technical ownership and develop a 3D- and VR-based SaaS platform.

The role involves working with product management, 3D/VR specialists, and DevOps to create scalable and secure solutions. Ideal candidates should have extensive Fullstack Development experience, particularly with ASP.NET Core, REST APIs, and SSO technologies.

Qualifications

• Several years of professional experience as a Fullstack Developer, ideally in a Senior role.
• Strong experience with ASP.NET Core (C#) in enterprise-grade applications.
• Experience building and maintaining REST APIs.

Responsibilities

• Design, develop, and maintain frontend and backend components.
• Collaborate closely with 3D/VR developers.
• Take technical ownership of key components.

Skills

Fullstack Development

ASP.NET Core (C#)

REST APIs

SSO technologies

SCORM or e-learning platforms

Microsoft SQL Server

Cloud-based architectures

Test management tools

Software architecture and design patterns

AI Coding Agents

Tools

Docker

Azure

AWS

Job description

Requisition ID: 17339

Location: Ingolstadt, BY, DE, 85053

ATS is an industry-leading automation solutions provider to many of the world’s most successful companies. ATS uses its extensive knowledge base and global capabilities in custom automation, repeat automation, automation products and value-added services, including pre-automation and after-sales services, to address the sophisticated manufacturing automation systems and service needs of multinational customers in markets such as life sciences, food & beverage, transportation, consumer products, and energy. Founded in 1978, ATS employs over 5,000 people at 28 manufacturing facilities and over 50 offices in North America, Europe, Southeast Asia and China.

We are developing an innovative 3D- and VR-based software platform for professional training and simulation. Our cloud-based SaaS solution enables immersive, scalable, and enterprise-ready training experiences and integrates modern web technologies with complex backend systems and 3D/VR environments.

To grow our team in our Digitalization department, we are looking for a Senior Fullstack Web Developer (m/f/d) located in Göteborg, Sweden who takes technical ownership, contributes to architectural decisions, and actively shapes the future of our platform. In this role, you will work closely with product management, 3D/VR specialists, QA, and DevOps to deliver a secure, high-quality, and scalable solution.

Your role:

Full Stack Development

• Design, develop, and maintain frontend and backend components of the platform such as databases
• Build modern, responsive user interfaces
• Develop backend services and APIs
• Implement authentication and authorization concepts, including SSO (OAuth2, OpenID Connect, SAML)
• Integrate and maintain SCORM‑compliant training content and learning workflows
• Collaborate closely with 3D/VR developers to integrate immersive training modules
• Ensure performance, security, scalability, and reliability across the system

Quality, Testing & Monitoring

• Contribute to test strategies and ensure high software quality
• Create, maintain, and execute test cases
• Collaborate with QA and product teams to define acceptance criteria
• Analyze test results and support defect tracking and resolution

Senior‑Level Responsibilities

• Take technical ownership of key components and features
• Drive architectural and technology decisions within the web ecosystem
• Identify technical debt and actively improve code quality and system designli>
• Review code and provide constructive, high-quality feedback

Skills and Experience

• Several years of professional experience as a Fullstack Developer, ideally in a Senior role
• Strong experience with ASP.NET Core (C#) in enterprise‑grade applications
• Experience building and maintaining REST APIs
• Strong knowledge of SSO technologies (OAuth2, OpenID Connect, SAML)
• Experience with SCORM or e‑learning platforms
• Strong understanding of Microsoft SQL Server and relational database design
• Experience with cloud‑based architectures and SaaS platforms
• Experience with test management tools
• Solid understanding of software architecture, design patterns, and best practices
• Hands‑on experience with AI Coding Agents
• Fluent in English (spoken and written)

Nice to Have

• Experience with 3D, VR, or simulation‑based software
• Experience with CI/CD pipelines and DevOps workflows
• Knowledge of containerization and cloud platforms (e.g. Docker, Azure, AWS)
• Experience with enterprise customer environments (Entra ID/AD, network restrictions, certificates) and/or customer‑hosted deployments (on‑prem/private cloud)