Mid / Sen .Net Developer (Back end) – LimerickGreat opportunity for aMid / Sen.Net Developerto join a team and help shape the next generation of a growing product suite. You'll work closely with the Software Development Manager and collaborate in a fast-paced Agile environment, using your technical expertise to deliver high-quality features that make an impact for an expanding customer base.What You'll Be DoingTake ownership of features from concept and prototyping all the way through deployment to customersBuild, refine, and expand product areas that directly support a rapidly growing user baseCollaborate with a cross-functional Agile team to design, develop, and deliver impactful solutionsAdopt and experiment with new technologies, leveraging cloud services to optimise performanceMaintain strong coding standards and drive continuous improvement across the teamExperience4+ years of professional software development experienceSolid experience across the web development stack (backend, data, deployment—even if you're not an expert in all areas)Strong knowledge of C#, .NET (Framework & Core), Entity Framework, JavaScript, jQueryHands-on experience building and consuming REST APIsAbility to write secure, high-quality, performant code in a collaborative team environmentGood understanding of CI/CD principles and deployment pipelinesAdvantage but not essentialExperience working with containers (e.g., Docker)Familiarity with AWS or other cloud platformsUnderstanding of JWT, session management, and secure authentication flowsKnowledge of role-based and claims-based authorizationExperience with SAML, SSO, OAuth, and MFAExperience with ASP.NET Core Identity and/or AWS Cognito