OverviewLocation: Belfast (Hybrid) | Type: Full-Time | PermanentMCS 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 doDevelop, enhance, and maintain complex systems using C# (.NET Core) and SQLBuild scalable, cloud-native solutions on AWSCollaborate closely with Architects and QA Engineers to ensure robust, testable, and high-quality deliveryTake part in architectural discussions and CI/CD pipelinesMentor teammates, contribute to code reviews, and promote engineering best practicesWhat we're looking forStrong hands-on experience in C# (.NET Core)Knowledge of modern frontend frameworks (ideally React)Proficiency with Microsoft SQL Server or similar databasesExperience with cloud technologies like AWS or AzureAgile mindset with experience working in collaborative teamsFinancial services knowledge is beneficial but not essentialWhy this opportunity is differentImpactful 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 hereHybrid working model - 3 days onsite in BelfastCompetitive salary + annual performance bonusPrivate healthcare and enhanced pensionGlobal exposure - work with teams in London, Paris, New YorkLearning budget, training, and mentorship opportunitiesInclusive, 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 m.rainey@mcsgroup.jobsEven 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 at www.mcsgroup.jobsMCS 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.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. #J-18808-Ljbffr