Software Engineer, Principal Jobs

Lead the development of Azure Database for PostgreSQL as a Principal Software Engineer in Bangalore. Design and build scalable, reliable migration features for this globally distributed cloud service. Leverage 12+ years of systems programming expertise in C++/Rust/C# and deep database architectur...

Lead a high-impact engineering team in Dublin, driving Copilot and Microsoft 365 growth. This role requires a technical leader with 6+ years' experience in C#, Java, or Python to architect scalable services and mentor talent. Join a collaborative, fast-paced environment shaping how users adopt Mi...

Lead Microsoft's security mission as a Principal Software Engineer in Redmond. Design and build critical authentication and authorization systems using .NET, Rust, Java, and more. This role requires 6+ years of experience in secure software development and a passion for creating a safer digital w...

Lead the design of high-performance networking solutions for Azure data centers as a Principal Software Engineer in Bangalore. This role requires 10+ years of experience, including deep expertise in Layer3-4 packet forwarding and C programming. You will innovate on DPU technology, optimize data p...

Join our Layer-7 Security team in Santa Clara as a Sr Principal Software Engineer. Innovate and design new security features for next-generation firewalls using C/C++. We seek a collaborative leader with deep networking and security protocol knowledge. Enjoy FLEXBenefits, stock units, and a bonus.

Join Microsoft Discovery in Redmond as a Principal Software Engineer. You will architect a transformative AI-driven platform to accelerate scientific R&D. Lead the build of scalable distributed systems, mentor engineers, and integrate cutting-edge AI technologies. Requires 6+ years of software de...

Join Microsoft Azure's SONiC team as a Principal Software Engineer. You will develop core switch software and distributed systems for cloud datacenters, tackling challenges like next-gen 100G-1.6T support. This role requires 6+ years in C/C++/Python and TCP/IP networking, with open-source (SONiC,...

Lead the evolution of Microsoft's core cloud services as a Principal Software Engineer in Redmond. Design and deliver large-scale systems for OneDrive/SharePoint, focusing on migration, performance, and business continuity. Utilize your deep expertise in C#, Java, or Python to build resilient inf...

Join Capital One in Bengaluru as a Principal Associate in Software Engineering. Utilize your 5+ years of experience with Java, React, AWS, and Agile to build full-stack, cloud-native solutions. You'll collaborate in an innovative environment to drive financial empowerment through technology. We o...

Lead AI innovation within Microsoft's Azure Data team as a Principal Software Engineer. Design and develop core AI capabilities for PostgreSQL, including vector indexing and semantic search. This Redmond-based role requires deep expertise in systems programming (C/C++/Rust) and database engine ar...

Lead the development of a planet-scale, AI-integrated database as a Principal Software Engineer in Redmond. You'll operate services for major enterprise clients, ensuring SLA compliance with Kubernetes, Prometheus, and Grafana. This role requires deep expertise in cloud operations, compliance, an...

Lead the future of AI-scale storage as a Principal Software Engineer on Azure Storage. Design and optimize the high-performance control plane for massive, distributed systems. Leverage 5+ years of storage and cloud-native expertise to solve scalability challenges. This remote US role drives innov...

Lead the design of core Azure Storage services, powering exabyte-scale cloud infrastructure. This principal role requires deep expertise in C/C++ and distributed systems to ensure massive scalability and durability. Mentor engineering teams while driving technical strategy for foundational Azure ...

Lead backend development for Microsoft Security, building reliable, secure cloud systems in C++, C#, or Python. This senior role in Redmond requires 6+ years of secure software design, live site operations, and mentoring expertise. Help shape a security cloud that protects customers worldwide in ...

Lead the development of Microsoft's next-generation AI-driven auto-bidding platform. Architect large-scale distributed systems using C++, Python, or C# to process billions of daily auctions. Collaborate with ML experts to build agentic AI that autonomously optimizes real-time ad performance. This...