Backend Engineer

# Backend Engineer, cars, and real estate. With more than 80 million visitors per year, Compar 80–100% (f/m/x) ## About the Role comparis.ch is Switzerland's leading comparison platform, helping users make informed decisions across health insurance, insurance, telecommunications, banking, cars, and real estate. With more than 80 million visitors per year, Comparis operates one of Switzerland's most widely used online platforms. Comparis is looking for a **Backend Developer / Backend Engineer** to join the Marketplaces team and help develop one of Switzerland's largest real estate platforms. You will build scalable backend services and APIs while helping evolve the architecture toward a modern **cloud-native platform based on Azure and Kubernetes**. The role also includes modernizing existing applications by migrating from a legacy .NET Framework stack to a modern, containerized environment. ## Key Responsibilities - Design, develop, and maintain scalable backend services using **.NET Core / 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 using **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 the modernization of the platform architecture. - Develop and modernize existing backend applications using **modern .NET 10**. - Contribute to the migration of legacy .NET Framework applications to a modern, container-based environment. ## Required Qualifications - Completed degree in **Computer Science, Engineering**, or comparable 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 - .NET 10 - REST APIs / RESTful APIs - Microservices - SQL Server - NoSQL databases - Azure - Azure Cosmos DB - Docker - Kubernetes - Elasticsearch - Cloud-native architecture - Containerized applications - Performance and scalability - Application security - Reliability and monitoring - Troubleshooting and production support - Agile software development - Cross-functional collaboration - Search optimization ## Education & Experience **Education:** - Degree in **Computer Science, Engineering**, or comparable practical experience. **Experience:** - **Minimum 3 years of professional backend development experience.** - 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 - **Work arrangement:** Hybrid / Remote - **Employment level:** **80–100%** - **Working hours:** Flexible working hours are offered. - **Remote work:** Remote work is available. - **Unpaid leave:** Option to take unpaid vacation/leave. - **Weekend requirements:** Not specified in the source job description. ## Compensation & Benefits - **Currency:** EUR - **Compensation:** No specific salary or compensation amount is provided in the source job description. - Flexible working hours. - Remote working options. - Option for unpaid leave. - Flat hierarchies. - High autonomy and room for personal initiative. - Culture based on transparency, mutual respect, and trust. - Lifelong learning and ongoing individual and team development. - Competent and motivated colleagues who provide support and guidance. ## Compliance / Additional Information - **Employer:** comparis Gruppe - **Platform:** comparis.ch - **Team:** Marketplaces - The role supports a major Swiss real estate platform used daily by thousands of users. - Comparis states that its platform serves more than **80 million visitors annually**. - The company emphasizes employee ownership, transparency, mutual respect, trust, lifelong learning, autonomy, and professional development.