Senior Software Engineer (C++, Java or Go)OverviewOcho is delighted to be exclusively partnering with our client to recruit a Senior Software Engineer into one of the most successful and fastest-growing technology divisions within a global software organisation.This is a rare opportunity to join a team building mission-critical software deployed directlynetworks across the globe. The systems you help develop support millions of end users every day, where performance, reliability and engineering excellence are non-negotiable.The team is actively modernising its platform to support the next generation of 5G and 6G networks while expanding into exciting areas such as fraud detection, network intelligence and machine learning-powered services.While historically this team focused heavily on C++, they are now actively seeking exceptional software engineers from C++, Java or Go backgrounds who can bring strong problem-solving skills and engineering fundamentals to complex technical challenges.Key ResponsibilitiesDesign, develop and enhance highly scalable software operating within carrier-grade telecommunications environmentsContribute to both product development and automated testing frameworksBuild software that operates under high-throughput, low-latency and highly available conditionsWork within modern microservices and containerised architecturesCollaborate across engineering teams to improve automation, deployment and operational resilienceParticipate in architecture discussions and technical decision-makingUtilise AI-assisted engineering tools to improve productivity, quality and deliverySupport the continued evolution of platforms underpinning future 5G and 6G technologiesThe Person We Are Looking ForStrong commercial software engineering experience using C++, Java or GoExperience developing software within Linux environmentsSolid understanding of networking fundamentals including TCP/IP, UDP, HTTP, HTTPS and socketsExperience building distributed systems, backend services or performance-sensitive applicationsComfortable working within CI/CD and modern software delivery environmentsExcellent analytical and problem-solving skillsAbility to thrive when working through ambiguity and complex technical challengesExperience with containerisation and microservices architectures would be advantageousExposure to telecommunications, networking, low-latency systems or high-performance computing would be beneficialWhy This Opportunity Stands OutOcho-exclusive opportunityJoin the highest-growth and highest-revenue division within the organisationWork on software deployed into major mobile operator networks worldwideContribute to products supporting the future of 5G and 6G connectivityBe part of a business that has fully embraced AI-assisted engineering practicesExcellent long-term roadmap, investment and growth plansWork alongside highly experienced engineers solving genuinely difficult technical problemsSalary & Benefits£55,000 - £70,000Exceptional candidates above this range will be consideredFlexible hybrid working with approximately 2 days per week in the Belfast officeInterview ProcessNo take-home testsNo automated coding assessmentsOne streamlined technical interview focused on engineering capability, problem-solving and technical thinkingApply here or reach out to Aaron Somers at Ocho for more information via LinkedIn.Skills:software development software engineeringBenefits:Work From HomeWHJS1_NI