Senior Back-end Software Engineer (C# .NET / Web API)Location: DublinRole OverviewWe are seeking an experienced C# .NET Back-end Software Engineer with a strong track record of building scalable and performant web applications. As a key member of our Engineering team, you will design, develop, and maintain Web API–driven back-end services that power mission-critical applications. The ideal candidate has a solid understanding of cloud technologies, container orchestration, and distributed systems. Experience in financial services is a plus, but not mandatory.ResponsibilitiesDesign, develop, and maintain robust, secure, and scalable back-end services using C# .NET and Web API.Implement best practices for performance optimization, high availability, and scalability.Work with cloud platforms (e.g., AWS, Azure, or GCP) and containerized environments (Docker, Kubernetes) to deploy and manage applications.Apply software engineering principles, including CI/CD, automated testing, and monitoring.Contribute to architectural discussions and technical decision-making.Stay up to date with industry trends and proactively recommend improvements.Support data streaming/integration by leveraging tools like Kafka.Qualifications7+ years of professional experience in back-end development with C# .NET.Proven experience designing and building Web API services.Strong understanding of scalable system design and performance optimization.Familiarity with cloud platforms (AWS, Azure, or GCP).Experience with containers and orchestration (Docker, Kubernetes).Knowledge of messaging/streaming systems (Kafka or similar).Strong problem-solving and analytical skills.Excellent communication and collaboration abilities.PreferredExposure to CI/CD pipelines, Git, and DevOps practices.Knowledge of automated testing frameworks and unit testing strategies.Experience in the financial services industry preferred but not required.