About us At First Line Software, we build custom software solutions that help global businesses grow, innovate, and stay ahead of the curve. With a team of experienced professionals and a focus on quality and collaboration, we work across industries to turn complex challenges into powerful, scalable applications. About the role We're looking for a Senior .NET Developer to join our team and contribute to the design and development of scalable, cloud-based backend solutions. In this role, you'll work with a modern tech stack to build and maintain APIs and services that power web applications. You'll be part of a collaborative environment that values clean architecture, performance, and maintainability. This role requires strong Azure experience and solid backend engineering skills, with an emphasis on C# and .NET technologies. Requirements - Strong experience with C#, .NET Core / Framework, Entity Framework, and LINQ - Proficient in Web API development and RESTful services - Solid knowledge of T-SQL and relational database design - Experience with Azure services. - Familiar with Swagger / OpenAPI for API documentation - Skilled in Git version control and CI/CD processes using Azure DevOps or GitHub Actions - Hands-on experience with Docker for containerization Nice to have: - .NET Aspire - Microsoft Fabric - Dapr - Understanding of database administration and migrations (both Code-first and DB-first) Responsibilities - Design, develop, and maintain robust Web APIs using .NET technologies - Build scalable backend services within a cloud-native architecture - Collaborate with frontend developers and DevOps engineers to deliver end-to-end solutions - Optimize application performance and database queries - Ensure code quality through testing, code reviews, and clean architecture principles - Contribute to CI/CD workflows and participate in deployment processes - Document APIs using OpenAPI/Swagger standards - Monitor, debug, and improve system performance and reliability The FLS Difference - Our modern stack projects are the right mix of exciting and challenging - Gain access to our diverse range of training programs, courses, and certifications - Choose your work style - remote, on-site or hybrid in one of our stunning offices. We offer the freedom of flexible working hours - Enhance your language skills with our corporate English classes - Work from anywhere and explore the world with our Workation program #J-18808-Ljbffr