Principal Software Engineer (C#, AI) - Engineering Excellence Lead

Are you a senior software engineer who thrives on innovation, technical leadership, and delivering real impact? We are looking for a Principal Software Engineer to lead the adoption of cutting-edge AI and code-generation technologies across a diverse portfolio of software integrations. This is an opportunity to influence engineering strategy, champion best practices, and help build intelligent, scalable solutions that transform the way software is developed.

Drive Technical Excellence: Design and deliver scalable, high-performance software solutions. Champion engineering best practices, coding standards, and software quality. Lead the adoption of AI-assisted development tools and improve development efficiency through automation and intelligent tooling.

Lead and Inspire: Mentor and develop engineers at varying levels of experience. Foster a culture of continuous learning, innovation, and technical excellence while influencing technical direction across teams.

Build the Next Generation of Intelligent Integrations: Collaborate with stakeholders to turn business needs into technical solutions. Explore AI-powered capabilities, LLM integrations, and intelligent automation while helping shape the technology roadmap.

Strong experience with the Microsoft .NET ecosystem and C# development. Proven ability to improve software engineering processes, mentor engineers, and champion quality engineering practices. Experience or interest in AI, prompt engineering, OpenAI, Azure OpenAI, and code-generation techniques is highly desirable.

Flexible remote and hybrid working options. Opportunity to work with the latest AI and software engineering technologies. Ongoing investment in learning, development, and career progression. 25 days annual leave plus bank holidays, your birthday off, pension scheme, and a supportive inclusive culture.

If you are passionate about engineering excellence, AI innovation, and helping others succeed, we would love to hear from you. Apply today and help shape the future of intelligent software development.

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.

Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.

By applying for this role your details will be submitted to Modis International Ltd and/or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.