Principal Golang Engineer - Cybersecurity Location: Belfast City Centre (2 days onsite per week) Salary: Up to £85,000 Join one of Belfast's most forward-thinking cybersecurity companies, recognised globally for building cutting-edge threat detection and response systems used by enterprises around the world. As Principal Golang Engineer, you'll play a leading role in the architecture and delivery of robust, scalable back-end systems. You'll guide a team of engineers, influence tech direction, and contribute to solving some of the most complex challenges in modern security. What you'll be doing: Leading the design and development of Golang-based microservices Collaborating closely with product and security teams to understand critical threats and deliver innovative solutions Mentoring mid and senior-level engineers across a growing team Driving engineering best practices, scalability, and performance improvements Staying on top of the latest trends in secure software design and cloud infrastructure What we're looking for: Deep commercial experience building production-level systems in Golang Proven leadership or mentorship within a high-performing engineering team Strong understanding of distributed systems and API development Exposure to modern DevOps practices (CI/CD, containers, cloud) Any background in cybersecurity or secure coding practices is a bonus Why apply? Work on genuinely interesting and impactful problems Hybrid working (2 days onsite in a city-centre office) Excellent salary up to £85k Strong team culture and investment in career development Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn. Skills: software development software engineering web development Benefits: Work From Home bonus pension healthcare