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Principal .Net Software Engineer

MCS GroupBelfast, Northern Ireland🇬🇧United KingdomPosted 17 Jul 2026

Why This Role Stands Out

As a Principal .NET Software Engineer with a leading global financial services organization, you'll shape the architecture of critical platforms and lead a high-performing team, enjoying a hybrid work model and competitive compensation. This role offers significant career growth and the chance to make a substantial impact within a reputable company. You're encouraged to apply if you're a seasoned engineer eager to take on technical leadership and drive innovation.

Quick Overview

Salary
£58k/yr
Work Type
Hybrid
Level
Leader

Job Description

Principal Software Engineer (.NET) | Belfast | Hybrid MCS 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 systems Cloud technologies (AWS or Azure) REST APIs and event-driven architectures Leading engineering teams in Agile environments Designing scalable, resilient enterprise applications Experience 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 £58,000 Bonus scheme Hybrid working (3 days in the Belfast office) Private healthcare Enhanced pension Generous annual leave with the option to buy more Ongoing learning and career progression within a global engineering organisation This 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 m.rain 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 sameMCS 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. Skills: c# .net react aws software engineer software developer

ADZN1_NI

Skills

Microservices
AWS
Agile
Azure
C#
.NET
REST
React

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