Senior Software Engineer

Salary: £34,000 - 53,000 per year

Requirements

• We have back-end development experience with C#/.NET, including work at scale.
• We have a strong understanding of software design patterns, systems architecture, and secure development.
• We have experience designing APIs with a focus on security and best practices.
• We have proven experience delivering AI-powered features, including LLM integrations and RAG-based solutions.
• We have experience integrating AI capabilities into .NET backend systems and RESTful APIs.
• We are familiar with CI/CD pipelines, Docker, and cloud infrastructure; Azure experience is advantageous.
• We have experience working in agile environments with modern DevOps toolchains.
• We have strong architectural thinking and experience with scalable, component-based systems.
• We can balance short-term delivery with long-term scalability and maintainability.
• We have proven ability to mentor and provide technical leadership, particularly in AI-focused engineering.

Responsibilities

• We define and evolve server-side architecture and technical direction in line with business and product goals.
• We lead development of robust back-end services and APIs using C# and .NET Core/.NET 6+.
• We optimise system performance, security, and scalability for a growing user base.
• We advise on architectural decisions across microservices, data storage, AI, and integrations.
• We collaborate with product teams and stakeholders to shape technical strategy and roadmap.
• We lead by example, maintaining high standards for code quality, testing, and performance.
• We mentor engineers, supporting growth and continuous improvement.
• We influence engineering culture, processes, and technical strategy across the organisation.
• We drive improvements in tooling, workflows, and development practices.
• We contribute to long-term architectural planning as a subject matter expert.

Technologies

• AI
• Azure
• Backend
• C#
• CI/CD
• Cloud
• DevOps
• Docker
• LLM
• Security
• microservices
• ASP.NET

More

We are hiring a Senior Software Engineer for a full-time permanent role, working in a hybrid setup from Newcastle with remote considered. We are building and evolving a fast-scaling platform with strong product-market fit, and this role will sit at the core of our product and engineering organisation. You will help shape the technical foundation of our backend systems, influence architectural direction, and extend AI-powered capabilities as we enter the next phase of growth. We offer the opportunity to work on complex technical challenges, modernise our server-side systems, and make a significant impact across our engineering culture and technical strategy.

last updated 19 week of 2026