Backend Engineer

# Backend Engineer, 80–100% (f/m/x) ## About the Role comparis.ch is Switzerland's leading comparison platform, helping users make informed decisions through transparent comparisons across health insurance, insurance, telecommunications, banking, cars, and real estate. With more than 80 million visitors per year, comparis.ch is one of Switzerland's most widely used websites. As a Backend Engineer in the Marketplace team, you will help develop one of Switzerland's largest real estate platforms, used by thousands of people every day. You will build scalable backend services and APIs while contributing to the evolution toward a modern cloud-native platform based on Azure and Kubernetes. You will also play an important role in migrating existing applications from the legacy .NET Framework stack to a modern, container-based environment. ## Key Responsibilities - Design, develop, and maintain scalable backend services using .NET Core and ASP.NET. - Develop and operate REST APIs and microservices. - Work with SQL Server and Azure Cosmos DB to manage application data. - Improve search functionality using Elasticsearch. - Deploy and operate applications with Docker and Kubernetes. - Maintain high standards for performance, scalability, security, and reliability. - Monitor applications, troubleshoot issues, and resolve production problems. - Collaborate with Product Managers, Designers, and Developers to deliver high-quality solutions. - Contribute to modernizing the platform architecture. - Develop new and modernize existing backend applications using modern .NET 10. - Support the migration of legacy .NET Framework applications to a modern, container-based environment. ## Required Qualifications - Completed degree in Computer Science, Engineering, or equivalent practical experience. - At least 3 years of professional experience in backend development. - Very good knowledge of C# and .NET Core / ASP.NET. - Experience developing RESTful APIs and microservices. - Experience with SQL and NoSQL databases. - Experience with cloud platforms, ideally Azure. - Experience working in agile teams. - Very good English skills. ## Preferred Qualifications - Experience with Docker and Kubernetes. - Experience with vector databases. - Knowledge of Elasticsearch ranking and search optimization. - Experience with event-driven architectures. - Experience building data ingestion pipelines. ## Skills & Competencies - Backend development - C# - .NET Core - ASP.NET - Modern .NET / .NET 10 - RESTful APIs - Microservices - SQL Server - NoSQL databases - Azure - Azure Cosmos DB - Elasticsearch - Docker - Kubernetes - Cloud-native application development - Performance and scalability - Security and reliability - Monitoring and troubleshooting - Production incident resolution - Platform modernization - Agile development - Cross-functional collaboration - Search optimization - Event-driven architecture - Data ingestion pipelines - Vector databases ## Education & Experience **Education** - Completed degree in Computer Science, Engineering, or equivalent practical experience. **Experience** - At least 3 years of professional experience in backend development. - Experience with C#, .NET Core / ASP.NET, RESTful APIs, microservices, SQL and NoSQL databases, and cloud platforms. - Experience working in agile teams. ## Work Arrangement & Schedule - **Location:** Zürich, Switzerland - **Employment level:** 80–100% - **Work arrangement:** Flexible working hours with the possibility to work remotely. - **Remote work:** Available. - **Weekly hours:** Not specified in the provided job description. - **Weekend requirements:** Not specified. ## Compensation & Benefits - **Compensation:** EUR 85–110, as provided in the source listing. The source does not specify whether this range is hourly, monthly, or annual. - Flexible working hours - Remote work option - Option to take unpaid leave - High degree of autonomy and scope for shaping the role - Flat hierarchies - Transparent, respectful, and trust-based culture - Lifelong learning and continuous development - Competent and motivated team - Individual support and opportunities for professional growth ## Compliance / Additional Information comparis promotes a culture based on personal responsibility, transparency, mutual respect, and trust. The company supports lifelong learning, experimentation, individual development, and continuous team development.