Senior Software Engineer

<p><strong>Senior Software Engineer (Full time perm) </strong></p><p>Hybrid, Newcastle (remote considered)</p><p></p><p>We are looking for a Senior Software Engineer with deep expertise in C#/.NET to drive the evolution of server-side systems within a fast-scaling environment.</p><p>You'll play a pivotal role in shaping the technical foundation of a growing platform, helping move from strong product-market fit into the next phase of growth.</p><p>This role goes beyond feature delivery you'll be instrumental in defining how backend services are built, scaled, and modernised, with a particular focus on extending AI-powered capabilities.</p><p>Working at the core of a widely used product, you'll tackle complex technical challenges while influencing architectural direction across the wider engineering organisation.</p><p><strong>What You'll Do</strong></p><ul><li>Define and evolve server-side architecture and technical direction in line with business and product goals</li><li>Lead development of robust back-end services and APIs using C# and .NET Core/.NET 6+</li><li>Optimise system performance, security, and scalability for a growing user base</li><li>Advise on architectural decisions across microservices, data storage, AI, and integrations</li><li>Collaborate with product teams and stakeholders to shape technical strategy and roadmap</li><li>Lead by example, maintaining high standards for code quality, testing, and performance</li><li>Mentor engineers, supporting growth and continuous improvement</li><li>Influence engineering culture, processes, and technical strategy across the organisation</li><li>Drive improvements in tooling, workflows, and development practices</li><li>Contribute to long-term architectural planning as a subject matter expert</li></ul><p><strong>What We're Looking For</strong></p><ul><li>Back-end development experience with C#/.NET, including work at scale</li><li>Strong understanding of software design patterns, systems architecture, and secure development</li><li>Experience designing APIs with a focus on security and best practices</li><li>Proven experience delivering AI-powered features, including LLM integrations and RAG-based solutions</li><li>Experience integrating AI capabilities into .NET backend systems and RESTful APIs</li><li>Familiarity with CI/CD pipelines, Docker, and cloud infrastructure (Azure experience advantageous)</li><li>Experience working in agile environments with modern DevOps toolchains</li><li>Strong architectural thinking and experience with scalable, component-based systems</li><li>Ability to balance short-term delivery with long-term scalability and maintainability</li><li>Proven ability to mentor and provide technical leadership, particularly in AI-focused engineering</li></ul><p></p><img src="https://www.jobg8.com/Tracking.aspx?1cWG9WvfIspL40%2bhbEZzZg%2fWipIbp2Tpo" width="0" height="0" />