Senior .NET Developer - AWS Migration Published 19 of October At Izertis we are seeking an experienced Senior .NET Developer. As a Senior .NET Developer - AWS Migration, you will support, modernize, and migrate business-critical .NET applications from on-premises infrastructure to AWS. The role requires strong hands-on C#/.NET engineering combined with deep AWS architecture and migration expertise. You will interact frequently with software developers, testers, product managers, infrastructure, security, operations, and other stakeholders to ensure a controlled migration and a high-quality production platform. Key Responsibilities

- Analyze existing .NET applications, IIS/Windows hosting, services, scheduled jobs, integrations, databases, certificates, file shares, and infrastructure dependencies to define migration plans.




- Design and implement new modules, APIs, services, and modernization changes using C and current .NET technologies.
- Modernize legacy .NET Framework workloads where practical, including migration toward .NET 6/8+, ASP.NET Core, Linux/container hosting, or AWS managed services.
- Replatform or refactor applications for EC2, ECS/Fargate, EKS, Lambda, API Gateway, or other AWS services based on workload requirements.
- Migrate Windows/web services, background processes, configuration, secrets, file processing, database connectivity, and integrations to secure AWS patterns.

📌 Senior .NET Developer - AWS Migration (Madrid)
🏢 Izertis
📍 Madrid