MCS are excited to be supporting a forward-thinking technology company as they scale their engineering capabilities for the next phase of growth. We're searching for a Principal Software Engineer with deep .NET expertise and strong experience cloud technologies (either AWS or Azure), to take a leading role in developing and evolving critical internal systems. This is a hands-on leadership position suited to someone who thrives on technical ownership while coaching others to reach their potential. You'll play a key role in architecting and delivering enterprise-grade software, shaping everything from backend systems and CI/CD pipelines to infrastructure automation. What we're looking for: Strong background in .NET backend engineering, ideally within a regulated or financial services setting. Experience leading technical delivery with a focus on code quality, scalability, and security. A passion for optimising infrastructure and delivery workflows, leveraging AWS or Azure, and modern CI/CD tools. This role offers the chance to drive high-level design and influence technical strategy in an organisation that truly values engineering excellence. Why join? You'll be part of a global business operating at the intersection of finance and cutting-edge technology, where your work has real impact. Expect a collaborative culture, strong progression opportunities, and the support to take on complex engineering challenges at scale. Hybrid working model (Belfast-based) Pension & private healthcare and bonus. Rapidly growing organisation with strong market momentum Inclusive, innovative culture that celebrates technical curiosity. Salary Up to £85,000 depending on experience To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Djay Erskine, Specialist IT Recruitment Consultant, at MCS Group Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles All conversations will be treated in the strictest of confidence. Skills: Software Developer Software Engineer Principal developer C# .Net Benefits: Work From Home