We are currently seeking a Senior Software Engineer (C#) to take responsibility for building, enhancing, and maintaining products or systems that support Sage’s business plans and long-term objectives, using the identified architecture. As a Senior Software Engineer at Sage, you will report to the Engineering Team Lead and serve as a subject matter expert on technical solutions and business processes within your area of responsibility. You will collaborate with various disciplines and teams, both within and outside the Product Business Unit, to ensure consistency, quality, and successful project delivery Please note that this role is hybrid and will require you to work 3 days a week from our Newcastle office. Key Responsibilities • Develop, implement, and maintain high-quality technical solutions, including third-party applications, data, and reports. • Produce relevant documentation to describe logic, coding/configuration, testing, and changes where applicable. • Contribute to the maintenance and enhancement roadmap for key services, incorporating feedback to improve the customer experience. • Identify opportunities for continuous improvement of development processes and proactively transfer knowledge amongst the team. • Establish and help maintain a high-quality knowledgebase of key applications and/or systems incorporating data and/or reporting where applicable • Actively participate in retrospectives and debriefs to strengthen the teams skills, while also mentoring junior engineers when needed. Requirements • Strong proficiency in C# and Angular. • Hands-on experience with Microsoft Azure. • Familiarity with Infrastructure as Code tools, including Terraform and YAML. • Deep understanding of database design principles, including logical and physical schema modelling. • Experience in multi-tier application architecture and major relational databases, especially Microsoft/Azure SQL. • Proficiency in unit and integration testing methodologies.