> Markdown version of [/jobs/ext/2871047-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/2871047-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** Ai-native - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Distributed Systems, Systems Development Life Cycle, Software Engineering, TypeScript, GitHub Copilot, ReactJS, Kubernetes, Restful APIs, GPT, Docker, Microservices - **Published:** September 13, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/principal-software-engineer/47099772 ## About the Role AI-native engineering experience You should be able to clearly explain how AI has changed the way you build software, including how you use tools such as Claude Code, GitHub Copilot, Codex or similar agents to accelerate delivery. Occasional ChatGPT or Copilot usage alone won't be enough. #J-18808-Ljbffr ## Description We're hiring a Principal Software Engineer to join a technology team scaling AI-native engineering across the business. This is not an AI/ML role. We're looking for a senior engineer who uses AI agents to fundamentally change how software is designed, built and delivered. What you'll do Own technical architecture and engineering direction Remain hands-on with C#, .NET, React and TypeScript Build scalable APIs, microservices and distributed systems Use AI agents across the SDLC Apply Spec-Driven Development Turn requirements into technical specifications using AI Review and validate AI-generated code Improve engineering speed, quality and productivity Mentor engineers and influence technical standards Build cloud-native solutions, primarily in Azure What we're looking for Principal, Staff, Lead or strong Senior Software Engineering experience Architecture and solution design experience APIs, microservices and distributed systems CI/CD, Docker, Kubernetes and Infrastructure-as-Code Genuine ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [ Evaluating AI models for code comprehension](https://www.wearedevelopers.com/videos/1462-evaluating-ai-models-for-code-comprehension) - [Are We All Prompt Engineers? How AI Changed What It Means to Build Software](https://www.wearedevelopers.com/videos/1980-are-we-all-prompt-engineers-how-ai-changed-what-it-means-to-build-software) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) - [The AI-Native Engineering Org: What’s Real, What’s Hype, What’s Next](https://www.wearedevelopers.com/videos/100004-the-ai-native-engineering-org-what-s-real-what-s-hype-what-s-next) ## Related Articles - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care) - [Transforming Software Development: The Role of AI and Developer Tools](https://www.wearedevelopers.com/magazine/527-transforming-software-development-the-role-of-ai-and-developer-tools) - [What is Software Engineering in the Age of AI?](https://www.wearedevelopers.com/magazine/640-what-is-software-engineering-in-the-age-of-ai) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)