At a Glance
- Tasks: Develop and maintain cutting-edge trading systems using C# and SQL.
- Company: Join a global leader in financial services technology with a vibrant culture.
- Benefits: Enjoy competitive salary, private healthcare, and a learning budget.
- Other info: Hybrid working model with excellent career growth opportunities.
- Why this job: Make a real impact on next-gen trading platforms and cloud solutions.
- Qualifications: Strong C# experience and knowledge of cloud technologies like AWS.
The predicted salary is between 56250 - 68750 £ per year.
MCS Group is delighted to be working with a global market leader in financial services technology that is building one of the largest and most advanced engineering hubs in Belfast. MCS have helped this company hire over 150 people and they are a core delivery hub working on business-critical trading and data platforms used across the globe. As part of a major technology growth programme, the Belfast office is hiring mid-level .NET Software Developers to shape next-generation trading systems and deliver large-scale engineering solutions.
What you'll do:
- Develop, enhance, and maintain complex systems using C# (.NET Core) and SQL
- Build scalable, cloud-native solutions on AWS
- Collaborate closely with Architects and QA Engineers to ensure robust, testable, and high-quality delivery
- Take part in architectural discussions and CI/CD pipelines
- Mentor teammates, contribute to code reviews, and promote engineering best practices
What we're looking for:
- Strong hands-on experience in C# (.NET Core)
- Knowledge of modern frontend frameworks
- Proficiency with Microsoft SQL Server or similar databases
- Experience with cloud technologies like AWS or Azure
- Agile mindset with experience working in collaborative teams
- Financial services knowledge is beneficial but not essential
Why this opportunity is different:
- Impactful engineering: Belfast engineers aren't just maintaining systems - they own delivery of trading platforms, low-latency pipelines, and global data infrastructure.
- Modern practices: CI/CD, AWS-first, containerised deployments, cross-functional squads, and a brand-new strategic partnership with AWS.
- Career growth: Structured career paths into architecture, leadership, and platform ownership.
- Scale & stability: The speed and autonomy of a modern tech hub with the security of a global business.
- Strategic investment: Following recent acquisitions, Belfast is central to delivering next-generation trading solutions.
What to expect working here:
- Hybrid working model - 3 days onsite in Belfast
- Competitive salary + annual performance bonus
- Private healthcare and enhanced pension
- Global exposure - work with teams in London, Paris, New York
- Learning budget, training, and mentorship opportunities
- Inclusive, innovative culture with low attrition
To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Matthew Rainey. 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. 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.
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.
.Net Software Developer employer: MCS Group
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