Senior Software Engineer (C++, Java or Go) Overview Ocho 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 Responsibilities Design, develop and enhance highly scalable software operating within carrier-grade telecommunications environments Contribute to both product development and automated testing frameworks Build software that operates under high-throughput, low-latency and highly available conditions Work within modern microservices and containerised architectures Collaborate across engineering teams to improve automation, deployment and operational resilience Participate in architecture discussions and technical decision-making Utilise AI-assisted engineering tools to improve productivity, quality and delivery Support the continued evolution of platforms underpinning future 5G and 6G technologies The Person We Are Looking For Strong commercial software engineering experience using C++, Java or Go Experience developing software within Linux environments Solid understanding of networking fundamentals including TCP/IP, UDP, HTTP, HTTPS and sockets Experience building distributed systems, backend services or performance-sensitive applications Comfortable working within CI/CD and modern software delivery environments Excellent analytical and problem-solving skills Ability to thrive when working through ambiguity and complex technical challenges Experience with containerisation and microservices architectures would be advantageous Exposure to telecommunications, networking, low-latency systems or high-performance computing would be beneficial Why This Opportunity Stands Out Ocho-exclusive opportunity Join the highest-growth and highest-revenue division within the organisation Work on software deployed into major mobile operator networks worldwide Contribute to products supporting the future of 5G and 6G connectivity Be part of a business that has fully embraced AI-assisted engineering practices Excellent long-term roadmap, investment and growth plans Work alongside highly experienced engineers solving genuinely difficult technical problems Salary & Benefits £55,000 – £70,000 Exceptional candidates above this range will be considered Flexible hybrid working with approximately 2 days per week in the Belfast office Interview Process No take-home tests No automated coding assessments One streamlined technical interview focused on engineering capability, problem-solving and technical thinking Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn. Skills: software development software engineering Benefits: Work From Home ADZN1_NI41bf1e1f-b16b-4260-a40a-17c77a06fd15…
