Principal .Net Software Engineer at MCS Group

Position Principal .Net Software Engineer
Posted 03 Jul 2026
Expired 02 Aug 2026
Company MCS Group
Location Belfast | IE
Job Type Full Time

Job Description:

Latest job information from MCS Group for the position of Principal .Net Software Engineer. If the Principal .Net Software Engineer vacancy in Belfast matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at MCS Group for the position of Principal .Net Software Engineer below matches your qualifications.

Principal Software Engineer (.NET) | Belfast | HybridMCS Group is working with a global technology-driven financial services organisation as they continue to grow their Belfast engineering team.This is an opportunity for a Principal Software Engineer to take ownership of technical direction, lead a high-performing engineering team and help shape the architecture of large-scale, business-critical platforms used globally.You'll need strong experience with:C#, .NET / .NET Core and distributed systemsCloud technologies (AWS or Azure)REST APIs and event-driven architecturesLeading engineering teams in Agile environmentsDesigning scalable, resilient enterprise applicationsExperience within financial services, trading platforms, FIX protocol, WPF, React or microservices would be beneficial but isn't essential.What's on offer?Salary up to £58,000Bonus schemeHybrid working (3 days in the Belfast office)Private healthcareEnhanced pensionGenerous annual leave with the option to buy moreOngoing learning and career progression within a global engineering organisationThis is a fantastic opportunity to join a business that invests heavily in technology, offers genuine technical ownership, and provides clear progression into senior leadership.

To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Matthew Rainey at
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

MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation, if you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request.

Not all agencies are the same…MCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google.

Job Info:

  • Company: MCS Group
  • Position: Principal .Net Software Engineer
  • Work Location: Belfast
  • Country: IE

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information Principal .Net Software Engineer at the office Belfast above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

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