Backend software developer

Your responsibilities include designing, developing, testing, and maintaining backend modules for the Synaps platform., * Design, develop, test, and maintain backend modules for the Synaps platform.

• Translate technical and customer requirements into robust, scalable, and maintainable solutions.
• Contribute to API design, data models, authentication, system integration, and backend architecture.
• Improve software quality through code reviews, automated testing, observability, and engineering best practices.
• Work closely with frontend developers, QA, DevOps, engineering stakeholders, and subcontractors.
• Act as a bridge between the industrial application domain and the core software engineering effort., * Backend & APIs: ASP.NET, modern API architecture, REST, gRPC, SignalR, HTTP-based communication
• Data: PostgreSQL, TimescaleDB, time-series data
• Security: OAuth and authentication protocols
• Delivery & operations: CI/CD, Git, Docker, Kubernetes

What makes this role distinctive

• You work on software that interacts with real industrial equipment and processes.
• You can influence backend foundations, engineering practices, and the future evolution of the platform.
• You combine hands-on development with close collaboration across software, engineering, and customer-facing teams.
• Your work contributes directly to the reliability, scalability, and relevance of Synaps in complex coating environments.

• A bachelor’s or master’s degree in Computer Science, Software Engineering, or equivalent experience.
• At least 5 years of professional experience in a technical software environment., * Strong knowledge of C# and .NET.
• An analytical mindset and a structured approach to solving complex problems.
• Ownership, curiosity, and the ability to work independently while staying aligned with the team.
• Comfortable collaborating in a cross-functional and international environment.
• Fluent in written and spoken English.
• Open to occasional international travel to meet clients, understand their operating environment, assist them in adopting our software, and turn feedback into better software.

We are looking for an experienced backend software developer with an analytical mindset to help further build and refine the foundations of our Synaps software platform. Synaps is a software platform Soleras develops to control and monitor high-tech PVD coating production lines.