C# Developer - FinTech / Cloud Platforms Join a fast-growing fintech company building powerful cloud-based trading, analytics, and compliance solutions used by financial professionals around the world. You'll work on real, production-grade systems alongside experienced engineers in an environment that values quality, learning, and collaboration. This role is ideal for a solid mid-level engineer who enjoys problem-solving, wants to deepen their financial systems knowledge, and likes seeing their work make an impact. What's on Offer Highly competitive salary Employer-paid private health insurance, life assurance & income protection Pension with employer-matched contributions Progressive holiday and time-off policies Weekly catered lunches and office snacks Regular company events and team activities Modern Belfast office with a strong engineering culture Hybrid working model after 6 months (3 days onsite / 2 days remote) About the Company The company is a leading provider of cloud-based financial trading, analytics, and compliance software. Its platforms are trusted by a wide range of clients-from early-stage firms to global financial institutions-to streamline operations, meet regulatory requirements, and gain market insights. About You You'll bring strong technical fundamentals, a practical mindset, and the confidence to work independently when needed. Essential: 3 years' experience in software development, ideally in financial systems Strong debugging, troubleshooting, and problem-solving skills Experience with one or more of: .NET / C# / Java / C++ / Python Comfortable working in a Windows-based environment Degree (or equivalent experience) in Computer Science, Engineering, Maths, or related discipline Clear communicator with a professional, collaborative approach Nice to Have: Exposure to financial integrations Experience working directly with clients or customer-facing systems What You'll Be Doing Designing, developing, and configuring API components to meet client requirements Debugging and analysing user APIs, interfaces, and platform integrations Gaining hands-on exposure to financial markets and trading systems Collaborating with support teams to diagnose and resolve technical issues Supporting client onboarding and improving overall system usability Taking part in deep-dive learning sessions focused on engineering best practices and software design Interested? Apply via the link or contact VANRATH for a confidential conversation. Follow VANRATH on LinkedIn for career advice, industry insights, and new opportunities. Skills: fintech NET C# Java C++ Python