Senior .NET Developer Location: Dublin 1, Ireland (Hybrid) Day Rate: €550 per day Work Eligibility: Candidates must possess an Irish/EU passport or a valid work permit for full-time work in the Republic of Ireland. Contract Duration: 5 months, scope to extend. Overview A major organisation in Dublin City Centre is undergoing a large-scale digital transformation programme, placing technology at the core of its operations. The Development Team, within the Technology Solutions Group, is delivering modern, scalable software systems that support public-facing services including financial services, mobile apps, payments, and customer communications. These systems process over130 million transactions annually. We're seeking aSenior Developer to join this transformation. Youll work on high-impact, project-based initiatives, collaborating with architects, DevOps, testers, and stakeholders to deliver secure, performant applications and APIs using the Microsoft technology stack. Key Responsibilities Design, develop, and maintain scalable applications and services using C# and .NET Core. Develop RESTful APIs and backend services for enterprise-grade solutions. Collaborate closely with solution architects and other developers to implement technical designs. Participate in Agile ceremonies, including sprint planning and daily stand-ups. Write clean, testable code following SOLID principles and modern design patterns. Work with Azure DevOps and Git for source control, CI/CD pipelines, and build automation. Develop and optimize SQL Server queries, stored procedures, and schema. Contribute to the development of automated unit tests and support quality assurance. Write technical documentation to support system maintenance and knowledge sharing. Required Skills & Experience Minimum7 years of hands-on software development experience. Expertise inC# .NET Core and theMicrosoft technology stack. Strong experience withRESTful API development using Web API. Solid understanding ofrelational databases (SQL Server) and ORM tools likeEntity Framework. Experience withAzure cloud services, such as: Azure Web Apps Azure SQL Azure Functions Azure Data Factory (a plus) Familiarity withCI/CD tools andautomated pipelines (Azure DevOps, GitHub Actions, etc.). Comfortable working in Agile environments (Scrum/Kanban). Strong knowledge ofobject-oriented programming,design patterns, andSOLID principles. Desirable Experience Exposure toSAP CDC,PCI DSS, or other compliance standards. Experience writing or maintainingTerraform scripts or ARM templates. Familiarity withunit testing frameworks and best practices in test automation. Experience managing or contributing to large Git repositories in a collaborative team environment. Key Technologies in Use Languages: C#, .NET Core, JavaScript/TypeScript (frontend optional) Frameworks: ASP.NET Core, Web API Cloud: Microsoft Azure (App Services, Functions, SQL, Data Factory) DevOps: Azure DevOps, GitHub, Jira Databases: SQL Server, Entity Framework Tools: Visual Studio, Postman, Docker (optional), Terraform (desirable) If you're ahands-on, senior-level developer looking to work on high-impact systems with cutting-edge technology in a large-scale transformation, wed love to hear from you. Skills: Senior .NET Developer .Net Azure Benefits: Work From Home