Our client, a fast-growing FinTech organisation delivering innovative digital financial solutions, is seeking a highly experienced Senior Software Engineer to join their expanding technology team. This is an exceptional opportunity to work on a wide range of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September 2025. The successful candidate will bring deep expertise in C# development, cloud infrastructure, and AI technologies, contributing to the business' ongoing digital evolution. Main Purpose of the Role: Lead backend development and play a key role in the mobile app delivery. Drive technical innovation and work across multiple high-profile projects. Collaborate closely with Developers, Data Engineers, Product Managers, and Technology Specialists. Key Responsibilities: Design, develop, and maintain scalable, secure, and high-quality backend solutions using C#. Develop solutions within AWS cloud infrastructure, ensuring performance and resilience. Build and maintain CI/CD pipelines to enable rapid and efficient deployments. Work on mobile app integration projects to ensure seamless backend connectivity. Incorporate AI technologies and models where applicable to enhance software capabilities. Promote coding best practices, automated testing, and continuous improvement. Collaborate with cross-functional teams to translate business requirements into technical solutions. Manage multiple projects simultaneously within a fast-paced FinTech environment. What They Are Looking For: 7 years of senior-level software development experience. Deep commercial experience with C# development. Strong knowledge of AWS cloud services and infrastructure. Proven experience with CI/CD pipeline development and deployment automation. Experience contributing to mobile app development projects. Keen interest and practical experience in AI technologies and their application within software development. Excellent problem-solving abilities and technical leadership skills. Highly adaptable, able to thrive in fast-moving and ambiguous environments. Strong collaboration, communication, and stakeholder engagement skills. Degree qualified in Computer Science, Engineering or related discipline. Comfortable with hybrid working: 2-3 days onsite in Central London. What They Offer: Up to £110,000 base salary. 20% annual bonus. Hybrid working model: 2-3 days onsite in Central London, remainder remote. Key role with significant technical responsibility and career development potential. Exposure to AI innovation and new technology initiatives. Collaborative, fast-paced, and supportive working environment. Opportunity to directly contribute to the delivery of a major FinTech mobile app launch. Apply today to be considered for this fantastic Senior Software Engineer (C#) opportunity. Interviews are taking place shortly! Keywords: Senior Software Engineer, C#, AWS, AI, Artificial Intelligence, CI/CD, Cloud Infrastructure, Mobile App Development, Backend Development, FinTech, Hybrid Working, London, Agile, Automation, Financial Services, Mobile App Launch. Established in Didsbury, Connexa Technology Ltd is becoming one of the UK's fastest growing IT and Technology recruitment companies. People. Technology. Connected. Connexa Technology is acting as an Employment Agency in relation to this vacancy. ADZN1_UKTJ