Senior Software Engineer | .NET, AWS | Belfast (Hybrid) Location: Belfast (Hybrid 3 Days) Type: Permanent About the Opportunity: This role sits within a high-performing engineering environment delivering large-scale, business-critical systems. Teams are structured around features, with strong technical leadership and well-defined requirements upstream, allowing engineers to focus on high-quality delivery. You will work on cloud-native .NET services that underpin core platform capabilities, contributing to systems designed for scale, resilience, and performance. What Youll Be Doing: Design, build, and operate backend services using C# and .NET Develop cloud-native solutions on AWS, including serverless architectures Work within feature-led teams alongside Staff and Senior Engineers Contribute across the full lifecycle from design through to production support Build systems with a focus on reliability, scalability, and security Collaborate with product, architecture, QA, and operations teams Investigate and resolve production issues across live environments Improve engineering workflows through automation and CI/CD practices Mentor engineers through code reviews, pairing, and knowledge sharing What Youll Bring: Strong commercial experience with C# and .NET Hands-on experience building cloud-based systems on AWS Experience working with distributed or event-driven architectures Strong understanding of relational databases such as SQL Server or PostgreSQL Experience working in Lean or Agile delivery environments Familiarity with Docker and Kubernetes Experience contributing to CI/CD pipelines and release processes Strong problem-solving ability across complex systems Clear communication skills and collaborative mindset Why Join: Opportunity to work on high-scale, real-world systems Strong engineering culture with clear ownership and leadership Flexible hybrid working model Joining during a period of growth and renewed investment Focus on quality engineering and long-term team build If you're interested or have any further questions on the role, please feel free to reach out to Eve Geddis directly on LinkedIn. Skills: C#.Net Development AWS Benefits: Work from Home Allowance Pension Fund Medical Aid / Health Care