Software Engineer (.NET) We are working with an elite engineering organisation in Belfast to hire a mid-level Software Engineer to join a highly respected .NET development team. This is a rare opportunity to work on a complex, mission-critical platform used at scale, where engineering quality, system reliability and technical depth genuinely matter. You'll be joining a team that operates in demanding, data-intensive environments and values curiosity, ownership and continuous improvement. The role offers strong exposure to distributed systems, APIs and platform engineering, alongside experienced engineers who set a very high technical bar. The Role Build and evolve robust software solutions using .NET and C# Contribute to the design and extension of APIs and backend services Analyse and resolve issues across user-facing systems, services and data layers Develop configurable API solutions tailored to client and platform requirements Collaborate with engineering, infrastructure and support teams to resolve complex technical issues Participate in technical knowledge-sharing and architecture discussions Support client integrations and platform onboarding activities Contribute to platform stability, performance and software quality initiatives Engage with end users where required to clarify requirements and deliver practical solutions The Person 3+ years of commercial software engineering experience Strong hands-on experience with .NET and C# Demonstrable debugging and problem-solving skills in live systems Degree in Computer Science, Engineering, Mathematics or equivalent professional experience Comfortable developing in Windows-based environments Experience working on complex, data-heavy or transaction-driven systems is beneficial Exposure to system integrations, messaging or API-driven architectures is advantageous Self-motivated, organised and comfortable owning work end to end Strong communication skills with a professional and collaborative mindset Technology Environment Operating Systems: Windows and Linux Development Tooling: Visual Studio and modern source control Languages and Frameworks: C#, WPF, Python, PowerShell APIs and Data: RESTful services, relational databases, search and analytics platforms Domain Complexity: High-volume, low-latency, rules-driven systems What's On Offer Highly competitive salary, benefits and performance-based incentives Employer-paid private health insurance, life assurance and income protection Pension scheme with employer-matched contributions Generous annual leave and progressive time-off policies Occasional international exposure and collaboration Regular team events and a supportive, engineering-first culture The chance to work alongside some of the strongest .NET engineers in Belfast Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn. Skills: software development software engineering Benefits: Work From Home bonus pension healthcare options