Senior Software Engineer (.NET) - Financial Systems | Lisburn | £65-70k A rapidly growing financial technology business is undertaking a complete modernisation of its digital ecosystem and is looking for an experienced .NET engineer to play a key role in that journey. You'll help design and deliver high-performing software that underpins critical financial services, shaping both the technical direction and engineering culture. This position offers a mix of greenfield product development and modernisation of core systems, with the freedom to influence architecture, development practices and technical standards. What you'll do Develop and enhance enterprise-level software using C# and .NET Core Design microservices and APIs that support scalable, cloud-first platforms Work collaboratively with product, DevOps and QA to deliver production-ready features Apply modern design patterns, testing frameworks and CI/CD principles Participate in architectural discussions and mentor team members Contribute to the organisation's wider technology roadmap and delivery improvements What we're looking for Strong background in backend engineering using .NET Core and C# Proven experience building robust systems in financial or other regulated environments Solid grasp of cloud technologies (preferably Azure) and containerised deployments Strong database design knowledge, ideally with SQL and exposure to NoSQL options Experience with CI/CD pipelines, automated testing, and modern DevOps tooling Excellent communicator who can engage confidently with technical and non-technical stakeholders What's on offer £65,000-£70,000 depending on experience Hybrid working pattern based from Lisburn Direct impact on a long-term digital transformation programme Genuine progression and leadership potential Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn.