Senior Backend Software Engineer

Backend Software Engineer £50–100k DOE | Hybrid (3 days onsite, Belfast) | Go/Java | CNAPP/cloud security | Backed by £250m investment About the Company A rapidly scaling, well-funded software company operating in the Cloud Native Application Protection Platform (CNAPP) space, helping enterprises secure their cloud infrastructure through real-time data insights. Now embedded within both AWS and Azure as a core security solution, they're building out a Belfast engineering hub as part of a major growth phase. Role Overview As a Backend Software Engineer, you'll own the full development lifecycle — from design through deployment and monitoring — on a platform tackling genuinely complex, real-world cloud security problems. You'll work in a low-ego, engineering-led culture where decisions are trusted to the people closest to the work. Key Responsibilities Own end-to-end development: design, build, deploy, monitorMake architectural decisions shaping high-scale security systemsImprove performance, scalability and reliability of backend systemsLead design and code reviews to maintain engineering standardsCollaborate closely with Frontend, DevOps and Security teams What You'll Need Essential 4+ years' backend development (any high-performing language)Experience with AWS, Azure or GCPExposure to data-intensive systems (databases, messaging, event-driven architectures)Comfortable in a microservices environment with modern CI/CD Desirable Kubernetes, Docker, Elasticsearch, Redis, RabbitMQ or TimescaleDBUnderstanding of cloud security principles Benefits & Package £50–100k DOEHybrid — 3 days onsite in one of NI's best office spacesTrue engineering-led culture, no politicsHigh-growth, well-funded unicorn with genuine progressionWork on problems with direct, visible product impact Get in touch with Colin directly at colin@ochopeople.com.