Software Principal Engineer Jobs

Lead the Sentinel Enterprise Readiness team as a Principal Software Engineer Manager in Redmond. You will architect critical security platforms, including RBAC and Customer-Managed Keys, for hyperscale cloud services. This role requires 6+ years of coding experience and 2+ years managing a team o...

Join our Layer-7 Security Software team as a Principal Engineer in Santa Clara. You will innovate and own critical components of our Next-Generation Firewall, using C and cloud technologies. Develop high-performance, scalable security features that power our flagship products. A can-do attitude a...

Join HPE's Private Cloud Engineering team in Galway as a Principal Software Engineer. Leverage your 10+ years of experience in Java, Python, and backend development to design and deliver scalable software solutions. You will lead system design, work with cloud technologies, and drive innovation i...

Lead the technical vision as a Principal Software Engineer at Automata, shaping scalable, software-defined lab automation in London. You'll architect our core platform using Golang, Kubernetes, and distributed systems, with 12+ years of backend expertise. Mentor senior engineers, enjoy comprehens...

Lead the Azure Data engineering team in Hyderabad, building the foundational data platform for the AI era. This role requires 15+ years in distributed systems and cloud services, plus 4+ years managing teams. You will define strategy for reliability, security, and AI-driven automation across prod...

Lead the architecture for Azure AI's core infrastructure as a Principal Software Engineer in Redmond. You will design and build large-scale, distributed systems powering advanced search and knowledge services for LLMs. This role requires deep expertise in C#/C++/Java/Python and cloud-based distri...

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...