Principal AI Software Engineer Jobs

PermitFlow seeks a Principal Software Engineer, AI in NYC to own agent architecture, context layers, and eval harnesses for LLM-powered products. Requires 10+ years engineering experience and shipped agentic products at scale.

Join Fidelity Architecture and Engineering in Dublin as a Principal Software Engineer driving cutting-edge AI capabilities. Requires hands-on Python, Go, JavaScript or Rust experience plus AI tooling like GitHub Copilot.

Lead backend architecture for Perforce Prism, an internal AI platform in Pune. Requires 10+ years in enterprise software, strong JavaScript/TypeScript, Node.js, LLM APIs, and MongoDB expertise.

Lead AI-native UX architecture at ServiceNow in Hyderabad. Requires 15+ years in software engineering, frontend platform expertise, and hands-on agentic systems experience. Shape intelligent user experiences at scale.

Principal Software Engineer, Security AI – Mountain View. Design and build AI-powered services securing Microsoft’s cloud at scale. Leverage LLMs, RAG, and knowledge graphs to create intelligent security workflows. Requires 6+ years coding in Python/C++ and expertise in AI/ML systems. Join a team...

Principal Software Engineer sought for Microsoft AI Search in Redmond. Drive technical direction for AI-powered image search, integrating LLMs and multimodal AI to deliver intelligent visual experiences at global scale. Requires 6+ years coding in C++, Python, or Java with a Bachelor's in CS. Own...

Principal AI Software Engineer, SVP role in London. Architect scalable backend systems for advanced AI tools, leveraging expert Python, FastAPI, and Generative AI frameworks like LangChain. Requires deep ML knowledge and full lifecycle ownership. C++ expertise is a bonus. Benefits include 27+ day...