Senior Backend Software Engineer .NET
Are you passionate about building robust, scalable, and maintainable back-end systems that power innovative applications? We are looking for a Senior Back-End Developer to join our Motion team and play a key role in shaping the architecture and functionality of our platform. If you thrive in a collaborative environment and enjoy solving complex challenges with clean, efficient code, we’d love to hear from you!
What you will do
- Develop and maintain back-end services within a structured and organized framework
- Implement architectural patterns and methodologies to support system design and functionality
- Design and integrate communication systems between different components of the application
- Work with data persistence solutions to ensure efficient storage and retrieval of information
- Deploy and manage services in cloud-based environments with a focus on scalability and reliability
- Write clean, maintainable, and testable code while adhering to development best practices
- Troubleshoot, debug, and optimize existing systems for performance and scalability
Your profile
- 5+ years of professional experience in back-end development, with expertise in .NET (preferably .NET 6 or later — ideally .NET 8)
- Strong knowledge of microservices architecture and its implementation in production environments
- Hands-on experience with AWS cloud services and container orchestration tools like Kubernetes and Docker
- Practical experience with event-driven architectures, event sourcing, and messaging systems (RabbitMQ and MassTransit are a plus)
- Solid understanding of domain-driven design (DDD) and CQRS principles
- Experience working with NoSQL databases, particularly MongoDB and EventStoreDB
- A strong focus on delivering high-quality, scalable, and secure code (familiar with Sonarqube)
- Excellent problem-solving skills and a proactive attitude towards challenges
- A collaborative mindset with strong communication skills to work effectively in a team environment
Will be a plus:
- Knowledge of DevOps practices and CI/CD pipelines
- Familiarity with other cloud platforms or messaging tools
- Understanding of using AI tools in the software development life cycle (GitHub Copilot)
What we offer
Location and type of contract
- Barcelona, Spain
- Full-time
- Hybrid
- Mid-senior level
- CV in English
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Working at Materialise
Materialise is a dynamic, international high-tech company, founded in 1990 and headquartered in Belgium, with over 2,300 employees worldwide. Materialise’s mission is to innovate for a better and healthier world through its software and hardware infrastructure and in-depth knowledge of additive manufacturing (also known as 3D printing). Our customers are in diverse industries, such as automotive, aerospace, medical, research, and academia.
As a growing company, Materialise is always looking for enthusiastic professionals who want to work in an environment full of revolutionary technology and surrounded by people passionate about their work.




