Software Engineer, Principal Jobs (On-site work)

Join Microsoft's AI for Security team in Redmond to pioneer next-gen threat protection. As a Principal Software Engineer, you'll design AI-driven security systems using LLMs and knowledge graphs. Collaborate across disciplines to build intelligent solutions that reduce defender workload and enhan...

Lead the architecture of scalable, low-latency data systems and APIs that power personalized, context-aware intelligence for Microsoft Copilot. This principal role requires 6+ years of experience building secure, cloud-based services (Azure/AWS/GCP) in C++, C#, Java, or Python. You will design pe...

Join Microsoft Teams as a Principal Software Engineer focused on Security. You will secure the engineering supply chain for a flagship product, protecting build, test, and release workflows. This Redmond-based role requires 6+ years of coding experience and strong cross-team collaboration skills....

Join a world-class team to modernize the global infrastructure powering Office 365 web apps. As a Principal Backend Engineer in Noida, you'll design and build high-scale, geo-distributed services using C#, Java, or Python. Leverage your 12+ years of expertise to push the limits of scalability, re...

Lead the Azure Database for MySQL control plane as a Principal Software Engineer in Hyderabad. Architect and build core components to enhance availability, performance, and operational simplicity. Leverage your deep expertise in C/C++/C# and distributed systems to drive product strategy and mento...

Seeking a Principal Software Engineer with Top Secret/SCI clearance to support the Air Force's Advanced Battle Management System (ABMS) in Bedford. This role requires 20+ years of DoD experience, full lifecycle software development expertise, and IAT Level II certification. You will design, test,...

Lead the future of AI-driven advertising as a Principal Software Engineer at Microsoft AI. Design and optimize large-scale shopping ads infrastructure using cutting-edge AI, big data, and deep learning (PyTorch/TensorFlow). Collaborate with top scientists to build global, real-time systems in Mou...

Lead AI innovation as a Principal Software Engineer in Noida. Develop cutting-edge ML models for PowerPoint Copilot, revolutionizing visual creation. Leverage 12+ years of coding expertise to build scalable, intelligent design experiences. Join a collaborative team shaping the future of productiv...