Software Engineer, Principal Jobs

Lead the development of Azure's next-generation AI networking infrastructure at Microsoft. Manage a team building high-performance, distributed systems for large-scale AI training. This role requires extensive experience in C++/Python and distributed systems within cloud/AI. Drive innovation at t...

Lead the next wave of AI-powered shopping experiences at Microsoft in Vancouver. As a Principal Software Engineer, you will design and build robust, full-stack solutions for Copilot and Browsers. This role requires 6+ years of experience shipping production software and expertise in languages lik...

Lead the future of web browsing as a Principal Software Engineer for Microsoft Edge in Hyderabad. This role demands 10+ years of experience in backend engineering (C++, C#, Java, Python) and a proven track record of shipping large-scale, high-quality software. You will architect robust, scalable ...

Lead the security of Microsoft's agentic AI future as a Principal Software Engineer. Design and ship AI-powered defenses and secure orchestration frameworks for Copilot at global scale. This Redmond-based role requires 8+ years building large-scale, security-critical systems and expertise in agen...

Lead the architecture for Microsoft's Azure Data platform, building the foundational database systems for the AI era. This principal engineer role in Redmond requires 6+ years of coding expertise in C/C++/C#/Java/Python and a background in computer science. You will define strategic roadmaps and ...

Lead the architecture of scalable backend and data systems for Microsoft 365 Copilot in Redmond. This principal role requires 8+ years of experience building large-scale, distributed systems in production. Drive engineering velocity and platform agility by designing core tools and mentoring teams.

Lead the future of AI-powered productivity as a Principal Software Engineering Manager on the OneNote team in Redmond. You will build transformative Copilot Notebook experiences, focusing on grounding capabilities and multi-modal AI. This role requires 6+ years of engineering experience, 1+ years...

Lead the architecture of Microsoft's global security cloud as a Principal Software Engineer. Design and develop large-scale distributed services using C#, Rust, Go, Java, or C++. This senior role in Redmond requires a BS in Computer Science, 6+ years of experience, and a passion for building secu...

Lead the development of AI-powered security for Microsoft Copilot as a Principal Software Engineer. Design and ship agentic AI defenses against emerging threats like prompt injection, enabling safe orchestration across platforms. This hands-on role in Redmond requires deep expertise in building s...

Lead the evolution of Azure's Hybrid connectivity for AI workloads at cloud scale. This Principal Software Engineer role requires deep L2-L4 networking expertise (TCP/IP, BGP, VXLAN) and 6+ years coding in C/C++/Python. Design and operate hyper-scale SDN/NFV infrastructure from multiple US locati...

Lead the development of next-generation Dynamics 365 applications on Azure as a Principal Software Engineer. This Redmond-based role requires 8+ years of coding expertise in C#/C++/Java and experience with enterprise-scale services. You will design and implement high-value solutions, collaboratin...

Lead the Azure Data engineering team in Hyderabad, building the next-generation data platform for AI. Design and operate large-scale, distributed cloud services for usage billing, ensuring reliability and performance. Requires 12+ years of software engineering experience with expertise in cloud a...

Lead the future of business applications as a Principal Software Engineer at Microsoft in Redmond. Design and deliver cutting-edge solutions within the Dynamics 365 and Power Platform suite. Leverage your 8+ years of expertise in C#, Java, or Python to build scalable, secure cloud services. This ...

Lead the next-generation data platform for Microsoft's global billing as a Principal Software Engineer in Hyderabad. Design and build highly reliable, scalable distributed systems that process massive volumes of service usage data. This senior role requires 10+ years of experience in cloud servic...

Lead the future of AI-powered visual storytelling with PowerPoint in Vancouver. This principal manager role requires 6+ years of technical experience and 4+ in leadership, guiding a multi-disciplinary team on cutting-edge Copilot features. Shape a legacy product while managing engineering careers...

Lead the DW Swift team in Belgrade, building next-gen engineering systems for Microsoft Fabric's SQL Data Warehouse. This role requires a technical leader with expertise in distributed systems (C++, C#, Java, Python) and people management. You will drive infrastructure that accelerates SaaS data ...

Lead the next generation of Azure Kubernetes Service (AKS) as a Principal Software Engineer. Design and build scalable, fault-tolerant distributed systems for AI and cloud-native workloads. This role requires deep expertise in C/C++/Go/Python and production cloud infrastructure. Enjoy flexible, r...

Lead the future of Azure infrastructure as a Principal Software Engineer. Design and deliver next-generation AI training and inferencing platforms, diving deep into diverse hardware and software layers. This role requires 6+ years of coding experience in C/C++/C#/Python and offers the chance to d...

Lead AI-driven innovation as a Principal Associate Data Scientist. Develop machine learning models using Python, AWS, and Spark on vast datasets. This role requires a quantitative Master's/PhD and experience in analytics. Enjoy competitive benefits in McLean, New York, or San Jose.

Lead the Azure Compute Platform team in Hyderabad, developing scalable, secure cloud infrastructure. This Principal Engineering Manager role requires 6+ years of experience in C/C++/C#/Java/Python and expertise in distributed systems. You will drive technical strategy, resolve complex challenges,...