Job Description My client, a global fintech firm specialising in trading and analytics platforms, is hiring a Software Engineer II (Mid-Level) to join their growing Belfast team. This is an exciting opportunity to work on a high-performance trading platform, contributing to cloud systems, APIs, and client-facing technology within a fast-paced engineering environment. * Competitive salary (DOE) bonus * Hybrid working * Strong benefits package (health, pension, life assurance) * Clear learning and progression opportunities within a global team * Exposure to financial markets and trading systems You will be part of a highly skilled engineering team building and enhancing a sophisticated trading platform used globally. This role offers strong technical exposure across backend development, APIs, cloud-based systems, and client integrations. As a Software Engineer, you will contribute to the design and development of platform components using .NET/C#, working closely with internal teams and clients to deliver high-quality solutions. You will be involved in debugging, API development, system integration, and supporting onboarding of new clients, while gaining valuable experience in financial markets technology. The Person * 3 years' experience in software development * Strong experience with .NET / C# (or similar languages such as Java, C++, Python) * Experience working in Windows-based development environments * Strong debugging and problem-solving skills * Experience working with APIs (REST) and backend systems * Ability to work with stakeholders and end users to gather requirements and resolve issues * Strong communication and interpersonal skills * Experience working in Agile environments Desirable: * Exposure to financial systems or trading platforms * Experience with messaging protocols (FIX, iLink etc.) * Knowledge of MySQL or similar databases * Experience with Python, PowerShell or scripting languages * Exposure to Linux environments For further information For further information on this role, or any other Software Engineering opportunities in Belfast or Northern Ireland, apply via the link or contact Michael Peniata for a confidential discussion. Vanrath acts as an employment agency and employment business for permanent recruitment and the supply of temporary workers. Successful applicants may be required to complete pre-employment checks in line with client requirements.