Principal .Net Developer

MCS Group is delighted to be partnering with a leading Northern Ireland-based technology organisation to recruit a Principal Software Engineer at a pivotal time in their growth journey. This is an exciting opportunity to join a business that specialises in delivering complex, bespoke software solutions to both public- and private-sector clients. With a dynamic, forward-thinking culture, they're keen to connect with people who are passionate about innovation, client success, and collaborative problem-solving. About the Role As Principal .NET Developer, you'll take ownership of the technical direction across key projects; architecting, designing, and delivering high-quality, cloud-based applications. You'll guide and support development teams, champion engineering best practice, and ensure solutions are secure, scalable, and built to last. Working closely with clients and internal stakeholders, you'll play a central role in shaping technical outcomes and ensuring projects are delivered t...