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.The project and your roleWe'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.ResponsibilitiesDesign, develop, and maintain robust Web APIs using .NET technologiesBuild scalable backend services within a cloud-native architectureCollaborate with frontend developers and DevOps engineers to deliver end-to-end solutionsOptimize application performance and database queriesEnsure code quality through testing, code reviews, and clean architecture principlesContribute to CI/CD workflows and participate in deployment processesMonitor, debug, and improve system performance and reliabilityStrong experience with C#, .NET Core / Framework, Entity Framework, and LINQProficient in Web API development and RESTful servicesSolid knowledge of T-SQL and relational database designExperience with Azure services.Familiar with Swagger / OpenAPI for API documentationSkilled in Git version control and CI/CD processes using Azure DevOps or GitHub ActionsHands-on experience with Docker for containerizationNice to have experience with:.NET AspireMicrosoft FabricDaprBlazor and gRPCCosmos DBUnderstanding of database administration and migrations (both Code-first and DB-first)What we can offerOur modern stack projects are the right mix of exciting and challengingGain access to our diverse range of training programs, courses, and certificationsChoose your work style - remote, on-site or hybrid in one of our stunning offices. We offer the freedom of flexible working hoursEnhance your language skills with our corporate English classesWork from anywhere and explore the world with our Workation programOur first step to building lasting relationshipsStep 2Uncovering PotentialYour HR interviewStep 3The Code Challenge or Technical InterviewIt's time to show what you can do best!Step 4Client’s InterviewDemonstrating expertise to our future partnersHave any questions? Fill out the form and our team will be in touch!Have any questions? Fill out the form and our team will be in touch!
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