Senior Software Developer Location: Derby (Hybrid 1 day in the office per week) Salary: Competitive, dependent on experience Working Hours: 38 hours/week, 8:00am 6:00pm, 4 days per week Our client, a vibrant and growing technology company, is seeking an experienced Senior Software Developer to join their development team. This is an exciting opportunity to work on diverse projects including large-scale data processing systems, enterprise applications, mobile apps and cutting-edge machine learning solutions all within a collaborative and supportive environment. The Role You will be responsible for designing, developing and maintaining complex software systems, working across backend and frontend technologies and supporting web and mobile applications. You will also mentor junior developers, contribute to solution architecture and collaborate with stakeholders to deliver high-quality software. Key Responsibilities Develop and maintain large-scale backend systems using C# .NET / .NET Core Work on requirements analysis, system scoping and solution architecture Build backend solutions to support web and mobile applications Collaborate with team members to solve complex problems and produce high-quality user interfaces Mentor junior developers and share technical knowledge across the team Integrate systems with external platforms such as Salesforce, Xero or Microsoft Dynamics Example Projects Real-time IoT systems communicating via GPRS Enterprise-level native mobile ..... full job details .....