Software Development Engineer (.NET /C# + React) ?? Waterford, Ireland (Hybrid) ?? Full-Time | Permanent ?? €40,000 - €45,000 per annum About the Role Join a fast-paced, innovation-driven team building AI-powered, real-time monitoring and automation solutions used on a global scale. This is a unique opportunity to work on systems that combine .NET back-end services, modern front-end technologies, and video optimisation to deliver intelligent, data-driven applications. Key Responsibilities Design and build scalable web applications using C#/.NET Core, React, TypeScript, and JavaScript. Develop and maintain cloud-hosted solutions using modern DevOps practices (PaaS/IaaS). Work on video optimisation and debugging, ensuring efficient data streaming, rendering, and playback performance. Contribute to architectural discussions and take ownership of core application modules. Collaborate within a cross-functional agile team to deliver secure, reliable, and performant software. Conduct unit and integration testing, participate in code reviews, and ensure software quality standards are met. Troubleshoot, profile, and resolve performance bottlenecks across front-end and back-end components. What You'll Bring 2-3+ years of professional software development experience. Degree in Computer Science, Software Engineering, or related field. Strong proficiency in C#/.NET Core and SQL Server. Solid experience with React, JavaScript, and TypeScript for building responsive, user-friendly interfaces. Understanding of RESTful APIs and/or GraphQL. Familiarity with Git, CI/CD pipelines, and version control best practices. Knowledge of software engineering principles such as unit testing, mocking, and agile methodologies. Strong analytical and debugging skills, particularly around video playback, optimisation, and performance tuning. Excellent communication and collaboration abilities. Desirable Skills Experience with cloud platforms (Azure or AWS). Exposure to non-relational databases such as MongoDB. Experience working in fast-paced agile teams with frequent release cycles. What's on Offer Competitive salary (€40,000 - €45,000 DOE). Hybrid working model - blend of office and remote flexibility. Ongoing training and professional development. Supportive, collaborative team culture focused on innovation and continuous improvement. Interested? Click below to apply. Contact Joseph Mullan with any questions in Reperio Human Capital. Reperio Human Capital acts as an Employment Agency and an Employment Business. Skills: .NET C# Azure Typescript React Javascript Benefits: Work From Home