Software Engineer, Principal Jobs

Lead the future of AI development tooling at Microsoft in Redmond. As a Principal Software Engineer, you'll architect scalable frameworks for AI agent lifecycle, leveraging Azure and generative AI. Mentor global teams and shape developer experiences used by millions worldwide. Requires 6+ years o...

Lead full-stack AI innovation at Microsoft in Hyderabad. This principal role requires 15+ years' experience building commercial software with C#, .NET, Python, and Azure PaaS. You will architect enterprise solutions, integrate AI/Copilot features, and mentor a team using React and microservices. ...

Join Palo Alto Networks' Cortex Xpanse team as a Principal Software Engineer in Santa Clara. Design and build scalable backend services, APIs, and data pipelines for the Attack Surface Management platform. Leverage 7+ years of experience with Python/Java/Golang, cloud platforms, and CI/CD to proa...

Join Palo Alto Networks as a Principal Software Engineer for the cutting-edge WildFire malware detection platform. Design, build, and scale cloud-native security infrastructure using Python, C, or Golang. This role in Santa Clara offers RSUs, a bonus, and the chance to protect customers from evol...

Seeking a Senior Principal Product Owner to lead digital application development for Infusion Pump Platforms in Raleigh. You will translate customer and clinical insights into product features, managing backlogs in an Agile environment. This role requires expertise in regulated medical devices, c...

Lead blockchain innovation at a major asset management firm. Design and build secure, gas-efficient Ethereum smart contracts and DeFi protocols using Solidity. This Bangalore-based role requires deep EVM expertise and experience with cross-chain solutions. Develop enterprise-grade solutions for r...

Lead the Data in Transit strategy for Xbox Platform in Redmond. This principal role requires 12+ years of experience building high-scale data systems and 7+ years in people management. You will drive AI scenarios, ensure security for billions of daily events, and foster a self-service engineering...

Lead the future of data and AI at Microsoft Azure in Vancouver. As a Principal Software Engineer, you'll design and build mission-critical data services like Fabric and Cosmos DB. Leverage 6+ years of expertise in C++, C#, or Java to solve complex problems and mentor a talented team. Shape the da...

Lead the architecture of planning systems for Microsoft's global cloud infrastructure. This principal engineering role in Redmond focuses on maximizing availability and minimizing waste using AI and software innovation. Requires a BS in CS (or equivalent) with 6+ years of coding experience in C++...

Lead the design of high-performance, cloud-native applications as a Principal Software Engineer. Leverage your 12+ years of expertise in Java, Microservices, and AWS/Azure to build scalable solutions for Fidelity. Champion engineering excellence in CI/CD, testing, and architecture while mentoring...

Join our team in Galway as a Principal Software Engineer, shaping the Contact Center platform for over 20M clients. We seek an expert in Java, JavaScript (React/Angular), and microservices with 8+ years' experience. Drive innovation in a full-stack, Agile environment, leveraging cloud (Azure/AWS)...

Lead a development squad as a hands-on Principal Software Engineer in Galway. Design and build micro-services and UIs using Java, SpringBoot, and Angular for a platform managing over $950B in assets. This role requires 10+ years' experience and offers the chance to shape critical investment manag...

Lead quantitative software development for investment solutions in Boston. Utilize Python, Java, and AWS to build full-stack analytical platforms, applying advanced statistics and machine learning. Enjoy top-tier benefits including comprehensive healthcare, retirement plans, and generous PTO.

Join Microsoft's Azure Data team in Vancouver as a Principal Software Engineer. Build the foundational platform for the AI era, working on products like Microsoft Fabric and Azure Synapse. Design highly available, scalable services using C#, Java, Python, or similar. Mentor engineers and drive ex...

Join Fidelity as a Principal Software Engineer in Jersey City. Design and develop high-volume regulatory reporting platforms using KDB+, Java, and Python. Lead agile teams, build resilient APIs, and enjoy top benefits like comprehensive healthcare and generous PTO.

Lead the development of a cutting-edge AI chip simulation platform at Microsoft in Redmond. This principal role requires deep expertise in C++/Python systems programming and collaboration across hardware and AI research teams. You will design and deliver critical simulator tools for next-generati...

Lead AI-driven innovation as a Principal Software Engineer for Microsoft's CRM platform in Bangalore. Architect scalable, distributed systems integrating AI, ML, and Copilot experiences to empower global sales and marketing teams. Requires 6+ years of technical leadership and cloud expertise in b...

Lead firmware development for next-gen UFS validation hosts in Bengaluru. This principal role requires 10+ years in embedded C/C++, Python, and storage protocols (UFS, PCIe). You will design, debug, and integrate systems, driving complex programs with high visibility and impact.

Lead the development of a cutting-edge, cloud-based security infrastructure at massive scale. As a Principal Software Engineer, you will architect scalable microservices and data pipelines in Python/Golang. This role in Santa Clara demands strong technical leadership and expertise in distributed ...

Lead software development and DevOps strategy as a Principal Engineer in Hyderabad. Architect high-scale distributed systems using cloud platforms and modern JavaScript/TypeScript frameworks. Guide a team to deliver digital products, collaborating with UX, product, and IT to drive transformation.