Staff Software Engineer - C# / .NETAt a GlanceStaff-level engineering role on a large-scale transaction platformC# / .NET, APIs, SQL Server, CI/CD environmentRemote-first with Belfast city centre officeSalary £65k-£70k + strong wider packageOpportunity to influence architecture and engineering direction at scaleThe CompanyOcho has exclusively partnered with a global technology organisation currently investing heavily in its Belfast engineering function.Operating at significant international scale, this business builds and owns high-volume platforms that process millions of real-time transactions every day. Their technology sits at the centre of critical digital infrastructure, where performance, resilience, and reliability are essential.With continued growth across engineering and platform modernisation, this is an opportunity to join a technically strong environment where engineers are trusted with genuine ownership, complex challenges, and long-term career progression.The RoleThis is a Staff-level engineering position within a high-performing Belfast team responsible for a large-scale, high-throughput platform used globally every day.You will operate as both a technical leader and hands-on engineer, contributing to complex system design while helping shape engineering standards, platform direction, and architectural decisions across the team.The role is ideal for someone who enjoys solving difficult engineering problems at scale, mentoring other developers, and influencing how modern software platforms are built and evolved.Key ResponsibilitiesLead the design and development of scalable backend systems and APIsMentor and support engineers across multiple levels within the teamDrive engineering best practices across code quality, testing, and maintainabilityContribute hands-on to complex platform and architecture initiativesImprove platform scalability, resilience, and system performanceCollaborate closely with Product, Architecture, and Engineering teamsSupport CI/CD pipelines, deployment activities, and automated testingTroubleshoot and resolve complex technical issues across distributed systemsEnsure systems align with security and compliance standardsContribute to Agile planning, estimation, and technical roadmap discussionsWhat You'll NeedEssential6+ years' commercial software engineering experienceStrong backend development experience using C# / .NETExperience building scalable APIs and distributed systemsStrong SQL Server / relational database knowledgeExperience working within CI/CD environmentsAutomated testing / BDD experienceComfortable working within Agile engineering teamsStrong communication and technical leadership skillsMust be based in Northern Ireland or within commuting distance of BelfastNice to HaveExperience within high-scale or transaction-heavy environmentsCloud or architecture experienceExposure to security or compliance-focused systemsWhy Apply?Salary of £65k-£70k plus strong overall package2 days a week in Belfast city centre officePrivate medical, dental, life assurance, and critical illness coverStrong pension contribution schemeShare purchase plan and additional lifestyle benefitsOpportunity to work on genuinely large-scale, high-impact systemsHigh-trust engineering culture with real ownership and autonomyClear progression path into broader technical leadership and architecture responsibilitiesInterested?For more information, connect with Chanel Gillen at Ocho People or apply via the link below.Skills:.Net C# JENKINS HTMLBenefits:Work From HomeWHJS1_NI