Overview
.Net Software Developers (Mid‑Level) – Belfast (Hybrid) – Full‑Time, Permanent.
MCS Group is working with a global market leader in financial services technology. The Belfast hub is building one of the largest and most advanced engineering hubs, focused on business‑critical trading and data platforms.
Responsibilities
* 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.
Qualifications
* Strong hands‑on experience in C# (.NET Core).
* Knowledge of modern front‑end frameworks (ideally React).
* 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 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: Modern tech hub with the security of a global business.
* Strategic investment: 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.
EEO Statement
MCS Group is committed to Equality, Diversity, and Inclusion for all. If you have a disability requiring a reasonable adjustment, please contact us and we will endeavour to facilitate the request.
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