Backend Software Developer, .NET

About CowManager CowManager develops smart agritech and IoT solutions that help dairy farmers around the world make better decisions about animal health, fertility, and behavior. The company's intelligent ear sensors continuously collect data from cows, with large volumes of sensor data processed in real time through Microsoft Azure and made available through modern software applications. CowManager combines hardware, cloud infrastructure, data, and software engineering to deliver technology with a direct impact on animal health, sustainability, and more efficient farm operations. About the Role CowManager is looking for a .NET Backend Developer to join its multidisciplinary engineering team and build scalable cloud solutions in a modern .NET and Azure environment. You will develop backend services that process, store, and expose large volumes of real-time IoT sensor data to customers worldwide. The role includes building microservices and serverless components, contributing to software architecture, improving system performance, and maintaining a high-quality codebase. The development work is approximately 60% new development and 40% bug fixing and technical debt, giving you the opportunity to work on both greenfield projects and continuous improvements to the existing platform. Key Responsibilities Develop and maintain scalable backend services using C# and .NET. Build and enhance microservices and serverless components within Microsoft Azure. Process and manage large volumes of real-time IoT sensor data. Design reliable cloud-based solutions for distributed data processing. Write clean, maintainable, well-structured code. Develop comprehensive unit and integration tests and contribute to test automation. Participate in architectural decisions involving scalability, performance, reliability, and maintainability. Improve existing backend systems and contribute to technical-debt reduction. Participate in two-week Scrum sprints, including refinement, planning, development, and reviews. Collaborate closely with Product Owners, R&D, data teams, and other developers. Take ownership of production systems as part of the company's DevOps culture. Continuously evaluate and implement technologies that improve cloud architecture and engineering practices. Contribute to the development of new features while maintaining the stability of production applications. Required Qualifications 3+ years of professional experience with C#. Experience developing backend applications using .NET / ASP.NET. Professional experience working with Microsoft Azure. Understanding of software design principles, architecture, and engineering best practices. Experience with automated testing, including unit and integration testing. Strong problem-solving and analytical skills. Ability to write clean, maintainable, and well-structured code. Strong communication and collaboration skills. Comfortable working within a multidisciplinary Agile/Scrum development team. Willingness to take ownership of software running in production. Technical Stack The core technology stack includes: C# ASP.NET / .NET 6+ Entity Framework Core Microsoft SQL Server Cosmos DB Microsoft Azure Azure DevOps CI/CD Bicep / Infrastructure as Code Docker Git Microservices Serverless architecture Preferred Qualifications Experience building microservices architectures. Experience working with distributed systems. Experience with Azure serverless technologies. Experience with Cosmos DB. Experience handling large-scale, real-time data streams. Experience with cloud-native application architecture. Familiarity with infrastructure as code and automated cloud deployments. Experience working with IoT platforms or sensor-generated data. Experience working in a DevOps environment with responsibility for production systems. Benefits & Perks Competitive salary of €4,000–€6,300 gross per month, depending on experience. Performance bonus of up to 10% of annual salary. Pension plan with two-thirds employer contribution. 25 vacation days. Option to purchase additional vacation days. Kilometer/travel allowance. Work-from-home allowance. €500 ergonomic equipment budget. €250 vitality/wellness budget. Flexible remote working options. Training and professional development budget. Opportunities to learn and work with modern cloud technologies. Collaborative and innovative engineering environment. Team & Development Culture You will join CowManager's IT organization of approximately 50–60 professionals, including 15–20 .NET developers distributed across multiple teams. The company follows a DevOps and Scrum approach, with developers taking responsibility for the production environments they build and maintain. Features typically have a delivery cycle of approximately 1–3 weeks. CowManager encourages autonomy, innovation, knowledge sharing, and continuous technical improvement. Teams regularly evaluate new technologies, organize knowledge-sharing sessions, and continuously improve the cloud architecture. Why Join CowManager? This role offers the opportunity to work on technology with a tangible global impact. Your software will directly support dairy farmers by helping improve animal health, sustainability, and operational efficiency. Rather than building abstract software, you will work with real-time IoT data and cloud technologies to create solutions used in day-to-day agricultural operations around the world. Equal Opportunity Statement CowManager is committed to creating a collaborative and inclusive workplace where employees can contribute their expertise, develop their skills, and grow professionally. The company values autonomy, innovation, teamwork, continuous learning, and meaningful impact. Recruitment agencies are not accepted for this vacancy. Unsolicited CVs submitted by agencies will not be considered and do not create any entitlement to compensation or placement fees. An assessment and/or reference check may be part of the recruitment process.