Senior C# .NET Developer

Are you an experienced C# .Net developer looking for the next big challenge? We are on the lookout for someone like you to be part of a team of developers managing applications that are critical to both our business and our customers. About The Role We are looking for a Senior Developer to take a leading role in driving the evolution of our Norwegian applications that support the core systems. These systems are very important to our business operations, and we’re seeking someone who can lead their continued development with technical excellence. In this role, you’ll collaborate closely with key stakeholders including the Product Owner, Tribe Architect, IT Delivery Manager, and the Mainframe Centre of Excellence. Together, you’ll ensure that our solutions are aligned with If’s architectural principles. You will also have the opportunity to guide and mentor a team of skilled developers. This is a unique opportunity to shape the future of the applications that support the core systems, contribute to modernizing legacy platforms, and make a lasting impact on how we deliver value to our customers. Key Responsibilities Lead the technical delivery within the Yggdrasil squad, ensuring design, development, and maintenance of stable and secure solutions.Translate business requirements into efficient technical solutions.Act as a bridge between business experts, technical developers in Norway and India, and architectural teams.Ensure consistent coding standards, version control, security and documentation practices.Drive adoption of modern engineering practices, including CI/CD, automated testing and monitoring.Drive modernization activities such as API enablement for integration between cloud-based and mainframe systems and data replication using Change Data Capture (CDC).Ensure optimal usage and cost management of Azure resources. We offer Benefits In the same way that we place high demands on you as an employee, we also expect you to place high demands on us as an employer. Here are some of the benefits of working at If: An including work environment where everyone is welcomeCareer and development opportunities in the biggest insurance company in the NordicsSocial activities, as well as highly skilled professional environmentPossibility of hybrid workplaceHealth promoting workplace with e.g., wellness allowance and various sports activitiesGreat insurance benefitsWeekly workout hourHigh pension savings About The Team The Core Tribe is responsible for maintaining and evolving our business-critical insurance and claims systems. The Tribe operates cross-functionally across Finland and Norway, organized into smaller squads combining business domain experts with IT professionals. Our IT development teams include colleagues from If’s internal IT units as well as strategic partners such as Tata Consultancy Services, ensuring seamless collaboration across Norway and India. Yggdrasil squad is one of the squads in the Core Tribe. The mission of this squad is to ensure the ecosystems of applications supporting the Policy and Claims systems within the Norwegian scope is viable, healthy and stable. As the Senior Developer for this squad, you’ll be responsible for maintaining and developing this ecosystem and strengthening our squad technical capabilities. Who are you? You are a technically strong and forward-thinking developer with a passion for quality and long-term solutions. You bring deep technical expertise and strong communication skills that enable you to develop effective, maintainable solutions and you collaborate well across roles. You also take ownership of your work and continuously look for ways to improve. You understand the bigger picture, think with a long-term and solution-oriented mindset, and bring an architectural perspective when designing and evaluating solutions. In addition, you work in a collaborative, transparent, and pragmatic way when solving problems. In Terms Of Technical Experience, You Have Solid experience with C#, .NET, and Azure application development and maintenance.Familiarity with enterprise solutions, REST APIs, and message-based architecture.Good knowledge and practical use of Infrastructure as Code (for example Terraform or Bicep).Hands-on experience with tools such as Azure DevOps and CI/CD pipelines.Experience with static code and security analysis tools such as SonarQube and Snyk.Experience applying OWASP Top 10 in design, development, and risk assessment of applications.Experience with authentication and authorization solutions including OAuth2, Curity and Identity Providers. It´s a Plus If You Have Experience working in an Agile setup, collaborating closely with product owners and business stakeholders.Python and Databricks competence.Familiarity with integration patterns between distributed systems and IBM z Mainframe.Experience with monitoring and observability using Dynatrace, Application Insights, Splunk or similar tools.Understanding of basic networking concepts including firewall rules and ability to use Wireshark for troubleshooting when needed. Additional Facts And The Recruitment Process Application deadline: Screening and interviewing will start immediately. However, application deadline is September 30th 2026. To apply for the position: Please attach your CV and answer the questions in the recruitment system Work location: Oslo, Norway Travelling: Some travelling might be involved Start: As soon as possible, or by agreement. For more information, please contact Santhosh Kumar, IT Deliver Manager, santhosh.kumar@if.no We use Semac for background checks for the final candidates. It is a requirement for the position that If’s extended fit & proper requirements, including background checks, can be met. We look forward to your application!