Senior Software Engineer
Senior Software Engineer | .NET
Bristol (2 days onsite)
£70,000 - £80,000 pa
We are supporting a leading UK organisation delivering large-scale, customer-facing digital platforms. They're seeking a Senior Software Engineer to play a key role in building AI-powered backend solutions.
This role is ideal for a hands-on .NET engineer with practical experience in AI/LLMs and prompt engineering, who can design scalable backend systems while influencing technical direction.
Key Responsibilities
- Design and deliver AI-powered features using LLMs, prompt engineering, and data-driven approaches
- Build and maintain .NET Core APIs and backend services supporting customer platforms and internal tools
- Contribute to architecture, system design, and technical strategy
- Integrate services across a wider ecosystem using microservices and event-driven patterns
- Drive engineering best practices, automation, and continuous improvement
- Provide technical leadership and mentoring across squads
Key Requirements
- Strong experience with .NET Core, C#, APIs, SQL, and cloud (preferably Azure)
- Hands-on experience with LLMs, prompt engineering, and AI integration in production
- Solid understanding of microservices, event-driven architecture, and Kubernetes/containers
- Data-driven mindset with ability to analyse and utilise data for decision-making
- Proven experience operating in a senior/lead capacity within Agile teams
- Strong problem-solving and stakeholder engagement skills
This is a high-impact role at the intersection of AI and modern backend engineering, offering the opportunity to shape scalable, real-world solutions used by millions, within a forward-thinking and well-established organisation.
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