Get AI-powered advice on this job and more exclusive features. Direct message the job poster from First Line Software. At First Line Software , we design and deliver custom software solutions that help global businesses grow, innovate, and stay ahead. Our clients span industries and continents, and our mission is simple: transform complex challenges into powerful, scalable applications. We are a team of experts who value collaboration, curiosity, and excellence , and we are looking for professionals who share our passion for building impactful software. About the Role We are seeking a Senior .NET Developer to join our team and contribute to the design and development of scalable, cloud-based backend systems . In this role, you\'ll: Build and maintain APIs and backend services that power modern web applications Work with a modern Microsoft stack and Azure cloud services Collaborate closely with other developers, architects, and product teams to ensure our solutions are high-quality, performant, and maintainable This role is perfect for someone who thrives in fast-moving, collaborative environments and enjoys working across different projects and industries. Requirements Must-Have Skills: Strong experience with C#, .NET Core / Framework , Entity Framework , and LINQ Proficiency in Web API development and RESTful services Solid knowledge of T-SQL and relational database design Hands-on experience with Azure services Familiarity with Swagger / OpenAPI for API documentation Skilled in Git version control and CI/CD using Azure DevOps or GitHub Actions Practical experience with Docker for containerization Nice-to-Have Skills: Knowledge of Microsoft Fabric and Dapr Understanding of database administration and migrations (Code-first & DB-first) What Youll Do Design, develop, and maintain scalable backend solutions Build and integrate APIs to support web and mobile applications Optimize SQL queries and database performance Implement CI/CD pipelines and maintain deployment workflows Write clean, testable, and maintainable code following SOLID principles Participate in code reviews and agile ceremonies Stay updated with the latest trends in .NET and Azure technologies 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 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 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 Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries: Software Development, IT System Custom Software Development, IT Services and IT Consulting We are an equal opportunity employer and value diversity. All employment is decided on the basis of qualifications, merit, and business need. #J-18808-Ljbffr