Staff Software Engineer Location: Belfast, Northern Ireland, United Kingdom (Hybrid/Remote-friendly) The Opportunity We're partnering with a leading technology company delivering high-performance software used by a wide range of customers every day. They are seeking an experienced Staff Software Engineer to join their senior engineering team in Belfast. You'll work on critical software systems that power core business operations, with a focus on both backend services and cloud-based solutions. In this role, you will lead and mentor engineers, influence architectural decisions, and help deliver scalable, reliable, and secure software. While primarily backend-focused, you'll have the opportunity to contribute to front-end work where required, supporting end-to-end solutions and helping elevate engineering standards across the team. Key Responsibilities Design, build, and maintain backend services and core applications. Contribute to architectural discussions and technical decision-making. Work with cloud platforms, infrastructure as code, and containerised environments. Ensure systems are scalable, performant, secure, and resilient. Collaborate with Product Managers, Architects, and cross-functional teams. Support full-stack feature development as needed. Identify and drive improvements in engineering processes, practices, and tooling. Mentor engineers and foster a strong engineering culture. Essential Skills & Experience Degree in Computer Science, Software Engineering, or a related discipline. 6 years of professional software development experience. Strong backend development experience (e.g., .NET, C#, or similar). Experience with cloud platforms, container orchestration (e.g., Kubernetes), and infrastructure as code. Solid understanding of scalable, cloud-native systems and microservice architectures. Experience with CI/CD pipelines and modern DevOps practices. Strong problem-solving, communication, and collaboration skills. Desirable Skills Exposure to front-end technologies (React, HTML/CSS, or similar). Knowledge of secure software practices and application security. Experience with test automation and unit testing frameworks. Familiarity with large-scale distributed systems. Experience in agile or lean product-focused environments. Why Join? Work on high-impact software systems used by a diverse customer base. Hybrid/remote-friendly working with flexible arrangements. Competitive salary (£65,000-£70,000) and benefits package. Generous leave entitlement, including holidays and bank holidays. Private healthcare, dental, and life insurance. Pension contributions and flexible benefits schemes. Join a company that values innovation, autonomy, and career development. Be part of a senior, collaborative engineering team driving real impact. Skills: C# .NET Remote Staff Benefits: Work From Home