Freelance Senior Fullstack .NET Developer (3D Printing)

Location: Belgium (Hybrid: 3–4 days onsite)

Start Date: ASAP

Contract Type: Freelance

About the Role:

We are seeking a proactive and experienced Fullstack .NET Developer to support a leading innovator in sustainable 3D printing technologies. You will join a dynamic agile team working on an expanding platform that enables industrial manufacturing and personalized healthcare solutions. The role involves both hands-on development and team leadership, with a strong focus on backend functionality and cloud integration.

Key Responsibilities:

• Design, develop, test, and deploy new platform features
• Maintain and improve existing systems while reducing bugs and technical debt
• Lead and mentor a team of developers
• Participate in agile ceremonies and contribute to backlog refinement
• Stay up to date with industry trends and apply best practices
• Collaborate on architectural decisions and integration strategies
• Demonstrate attention to detail and a passion for 3D printing innovation

Your Profile:

• Minimum 5 years of experience with C#, .NET Core, and TypeScript
• Strong understanding of OOP, SOLID principles, and design patterns
• Skilled in web services and protocols like gRPC, OpenAPI, and REST
• Experience with Entity Framework, SQL, and unit testing (TDD)
• Familiarity with MySQL, Postgres, or MS SQL Server
• Experience with cloud platforms (e.g., AWS, Azure) and CI/CD tools
• Knowledge of agile development and version control systems (Git, SVN)
• Strong organizational and time management skills
• Willingness to coach junior team members
• Mathematical aptitude and strong problem-solving skills
• Interest in or passion for 3D printing is a plus
• Fluent in English