Back End Developer

Backend Software Engineers (Golang / Java) Hybrid Roles 2-3 days in the Belfast office | Cloud Security | Northern Ireland Ocho is proud to be working in partnership with a high-growth cloud security company that established its Northern Ireland engineering hub just over two years ago. Since launching locally, the team has grown to 40 engineers and is now entering a major scale-up phase following a $250 million investment earlier in the year. As part of ambitious growth plans through 2026 and beyond, we're hiring multiple Backend Software Engineers (Golang / Java) to join their expanding backend engineering group. The Opportunity In this role, you'll work on technically complex, real-world problems every day building new, innovative capabilities while continuously improving and scaling existing systems. You'll operate in a modern, cloud-native environment and have genuine ownership over what you deliver, from early architectural design through to deployment, monitoring, and long-term optimisation in production. The platform integrates deeply with AWS, GCP, and Azure, and makes heavy use of technologies such as: GolangJavaKubernetesDockereBPFDistributed systems at scale This is not a "ticket factory" role it's an engineering-first environment where you'll solve meaningful problems that directly impact global customers. The Role As a Backend Software Engineer, you'll: Own services end to end: design, build, deploy, monitor, and iterateContribute to technical and architectural decisionsPerform reliability and performance analysis on Golang / Java-based systemsConduct high-quality design and code reviewsWork closely with Product, Frontend, and DevOps teams to deliver best-in-class featuresContribute to capacity planning and SLO definitionContinuously improve scalability, performance, and reliabilityYou'll be building and enhancing data-intensive systems that operate in highly dynamic production environments. About the Company This is a modern cloud security startup operating at runtime to protect customer infrastructure using deep system visibility and contextual data. Unlike traditional tools, the platform leverages runtime insights and eBPF-powered sensors to identify and prioritise real risks enabling customers to detect threats, reduce risk exposure, and respond automatically at scale. Despite being under three years old locally, the business is already: Well-fundedCommercially provenScaling globallyBacked by serious investmentIt's a rare opportunity to join early - but with strong financial backing and clear product-market fit. Tech Stack You'll work with a genuinely modern stack, including: Cloud: AWS, GCP, Azure Core: Golang, Java Platform: Kubernetes, Docker, eBPF Data & Messaging: Neo4j, Elasticsearch, Redis, TimescaleDB, RabbitMQ Architecture: Microservices, distributed systems What We're Looking For Degree in Computer Science, Software Engineering, or similarSolid commercial backend engineering experienceStrong experience with Golang and/or Java (other languages welcome)Hands-on experience with cloud platforms (AWS, GCP, Azure)Experience building data-intensive or distributed systemsExperience with CI/CD pipelinesFamiliarity with microservices architecturesStrong analytical thinking and ownership mindset What It's Like to Work Here This is a high-trust, collaborative engineering culture. The Site Lead describes the team "like a band - everyone plays their part." You'll work alongside some of the strongest engineers in the local market, in an environment where: Engineers own problems, not just tasksTechnical excellence is valuedPeople genuinely enjoy what they doThere's ambition - but also balance Salary & Package Base salary up to £135k,Equity,Private healthcare,Flexible / hybrid workingHigh-autonomy engineering culture This is a chance to make a real impact during a period of record growth, while working on meaningful, technically challenging problems in one of the most exciting areas of modern software engineering. Interested? Apply via the link or contact Phil Gamble directly for an informal, confidential chat via LinkedIn or WhatsApp. Phil has over 21 years' experience delivering senior and specialist tech hires across the UK, Ireland, and the US, and is happy to advise on whether this role - or the wider market - is right for you.