Software Engineer, Principal Jobs

Join Microsoft's Security Base team as a Principal Software Engineer. Develop the next-generation security fabric using C/C++/Rust in a systems programming role. Provide strategic leadership and hands-on coding to advance Microsoft's core protection stacks. This remote US position offers a chance...

Shape the future of 3D geospatial visualization as a Senior Principal Software Engineer at Cesium. Drive platform architecture for real-time graphics and 3D tiling pipelines with 12+ years of experience. This remote US role offers a hands-on leadership position influencing open standards and a wo...

Lead a high-impact engineering team at Microsoft's Noida office, shaping the future of OneDrive and SharePoint cloud services. You will manage a talented team, driving complex, full-stack projects at exabyte scale for millions of users. This role requires 12+ years of technical experience, strong...

Lead the evolution of Bing's core web data platform in Beijing. Design and build massive-scale distributed systems that process billions of documents daily. Utilize your deep expertise in distributed systems and languages like C++/Java/Python to power critical AI and search experiences. This role...

Lead the development of Microsoft AI's core personalization data infrastructure. As a Principal Software Engineer, you will architect scalable distributed systems and APIs that power adaptive, context-aware experiences for Copilot. This role in Redmond demands expertise in cloud services, OSS dat...

Lead mobile security innovation as a Principal Software Engineer in Hyderabad. Design and deploy cutting-edge threat defense solutions for Android and iOS, impacting billions globally. Leverage your 12+ years of expertise to mentor teams and build scalable, secure software. Join Microsoft Defende...

Lead the evolution of Microsoft's core cloud services as a Principal Software Engineer for OneDrive & SharePoint. Design and deliver large-scale, distributed architectures that impact millions of users. This Redmond-based role requires 8+ years of experience in cloud-scale services, REST APIs, an...

Lead high-impact database innovations at Microsoft's Bangalore center. This Principal Software Engineer role requires 12+ years in C/C++/C#/Java/Python and expertise in database/OS internals or hardware. You will drive product performance, collaborate globally, and shape cloud deployments for wor...

Lead the development of a hyper-scale data ingestion service for Office 365 as a Principal Software Engineer. This role requires 6+ years of experience building distributed cloud services with expertise in C#/.NET or C++. You will design scalable systems, mentor engineers, and ensure the reliabil...

Lead the evolution of Microsoft Teams as a Principal Software Engineer. Design and maintain high-scale backend services using Azure and modern tech stacks like .NET Core. Drive AI innovation by integrating LLMs and generative AI to power Teams Copilot. Join a premier team in Mountain View, shapin...

Lead the technical vision as a Principal Software Engineer in Bangalore. Design and build scalable, secure distributed systems using .NET Core and modern APIs. Drive architectural decisions for our next-generation platform with a focus on SOAR components and event-driven technologies. Enjoy compr...

Lead complex backend architecture and mentor junior engineers in Bengaluru. This senior role requires 10+ years of expertise in Java, C#, or C/C++ and a passion for solving large-scale technical challenges. Enjoy health coverage, paid volunteer days, and wellness resources while shaping impactful...

Lead the design of a global, greenfield cloud storage platform on Kubernetes and PostgreSQL. As a Principal Engineer, you'll solve complex architectural challenges and mentor a team in Bengaluru. This role requires 10+ years of expertise in Java/Kotlin/Go and a passion for high-impact, scalable s...

Join Atlassian as a Senior Principal Software Engineer in a remote-first role across India. Leverage 15+ years of backend expertise to build scalable microservices in modern languages like Java or Go. Enjoy a collaborative environment, mentor peers, and work with AWS cloud technologies. Benefits ...

Lead the development of next-generation SASE and SD-WAN security solutions. This principal role in San Jose (hybrid) requires deep expertise in C/C++, networking (IPSec/VPN), and data path development. Architect and optimize high-performance platforms for on-prem and cloud environments, leveragin...

Join Baxter as a Senior Principal Software Quality Engineer in Raleigh. Ensure high-quality, safe software and medical device development within a regulated environment. Leverage 8+ years of experience in medical devices and knowledge of standards like IEC 62304. Enjoy comprehensive benefits, pro...

Lead the design of scalable software systems as a Principal Software Engineer in San Francisco. This role requires 12+ years of experience, expertise in architecture, cloud tech, and mentoring teams. We offer comprehensive benefits including health insurance, 401K matching, stock options, and gen...

Lead the design of scalable software systems as a Principal Software Engineer in Pune or Bangalore. This role requires 12+ years' expertise in architecture, cloud technologies, and mentoring teams. We offer stock options, comprehensive benefits, and a culture focused on growth and wellness.

Lead the next generation of the T-Mobile Android app as a Principal Engineer. Utilize your 7+ years of expertise in Kotlin, Jetpack Compose, and scalable architecture (VIPER/MVVM) to build for millions. Enjoy a top-tier Total Rewards package with stock grants and comprehensive benefits in key US ...

Lead large-scale, business-critical projects as a Senior Principal Software Engineer in Bengaluru. You will define long-term architecture for ITSM, leveraging 15+ years of cloud-native SaaS expertise. This role requires deep experience with AWS, distributed systems, and aligning technical solutio...