Software Engineer, Principal Jobs

Sr. Principal Software Engineer (Layer 7) sought to design and develop device identity solutions for next-gen firewalls in Santa Clara. Requires 7+ years of experience, C/Linux expertise, and skills in TCP/IP, microservices, Kubernetes, and databases. You will own critical components, drive innov...

Principal Software Engineer (NetSec-Panos Dev) sought to lead cloud security innovation in Santa Clara. Drive end-to-end delivery of high-scale distributed systems using Go or Java, with expertise in Kafka, SQL, and cloud technologies. Architect next-gen network security solutions, collaborating ...

Seeking a Sr Principal Backend Engineer in Bengaluru to lead development for Prisma Cloud & Cortex Cloud at Palo Alto Networks. Requires 10+ years experience, expertise in Go/Java/Python, cloud platforms (GCP/AWS/Azure), and microservices (Kubernetes). Drive end-to-end backend development, solve ...

Seeking a Sr. Principal Software Engineer to lead end-to-end delivery of next-gen cloud security solutions in San Francisco. Drive technical leadership for high-scale distributed systems using Go or Java, with expertise in Kafka, Redis, and SQL. Design robust network security architecture for Pan...

Principal Software Engineer in Test (Automation & AI) sought for Palo Alto Networks in Santa Clara, CA. Drive AI-assisted test automation using LLMs (Claude, Gemini) and Python. Lead backend/frontend automation with Playwright, build CI/CD pipelines, and leverage Kubernetes on AWS/Azure/GCP. Requ...

Senior Principal Software Engineer — Layer 7 Security role in Santa Clara, CA. Lead architecture and development of next-gen, high-performance distributed security systems. Requires 12+ years of experience, expert-level C and Go, deep networking and TCP/IP expertise. Drive innovation in mission-c...

Sr Principal Software Engineer (Quantum Security) role in Santa Clara, CA. You will lead the development of next-gen security solutions, focusing on Post-Quantum Cryptography (PQC) and SSL protocols for Palo Alto Networks' Strata Cloud Manager. Requires 10+ years in enterprise apps, cloud-native ...

Principal AI Software Engineer at AMD in San Jose, US. Drive hardware-software co-design for next-gen GPU architectures and AI/ML software stacks. Lead performance engineering for large-scale models (LLMs, Diffusion) and collaborate with top hyperscalers. Join a culture of innovation to shape the...

Seeking a Sr Principal Software Engineer (Quantum Security) in Santa Clara, CA. You will lead the development of next-gen security solutions, focusing on Post-Quantum Cryptography (PQC) and SSL protocols. Requires 10+ years building large enterprise apps, deep cryptographic knowledge, and cloud-n...

Principal Technical Safety Engineer role in Warrington, UK, blending software development with risk management. You'll lead QRA, CFD, and RAM studies while maintaining and developing internal software using Python, C#, and .NET. Requires 8+ years in technical safety and full-stack skills. Benefit...

Lead and scale the future of AI as a Principal Software Engineering Manager at Microsoft Core AI in Hyderabad. This role demands 8+ years building production-grade distributed systems and 2+ years managing technical teams. You will drive strategic clarity, foster engineering alignment, and build ...

Principal Python Software Engineer sought by a growing Financial Services client in Boston (hybrid). Leverage 8+ years of Python/Django/Flask experience to lead design of large-scale, high-performance distributed systems on AWS. Drive cloud-native solutions, Infrastructure-as-Code (Terraform), an...

Principal Software Engineer (Mobile) sought for Microsoft’s Office Android Shared Team in Hyderabad. You will architect core components using Java, Kotlin, and C++, driving AI-enabled UX innovation for Word, Excel, and PowerPoint. Requires 9+ years of experience, deep Android architecture knowled...

Principal Software Engineer role at Microsoft in Redmond, WA, driving innovation in AI agents within Copilot Studio. Lead design of scalable, secure platform capabilities for Digital Workers, leveraging Azure, M365, and Power Platform. Requires 6+ years engineering experience with C, C++, C#, Jav...

Principal Software Engineer at Microsoft Security in Redmond, WA. Architect the next-generation Conditional Access engine processing millions of policy evaluations per second. Requires deep expertise in distributed systems, C#/.NET, identity protocols (OAuth2/OIDC), and Zero Trust principles. Dri...

Principal Software Engineer sought for Citi’s Margin Technology team in London. Design and build high-scale distributed systems using Java, Python, or React, with AWS, Kafka, and Kubernetes. Drive innovation in global finance, shaping automated platforms with a focus on clean code and TDD. Benefi...

Principal Software Engineer – Edge AI role in Herzliya, Israel. Lead architecture and system design for AI on managed hardware, optimizing for connected/disconnected operations. Requires 10+ years of software engineering, K8S expertise, and deep AI stack knowledge. Drive high-impact technical out...

Principal Software Engineer role in Tokyo, Japan, leading architecture for Microsoft’s Mico AI experience. Drive full-stack development across iOS, Android, and web, owning 3D rendering, LLM orchestration, and adaptive personalization. Requires 8+ years in C++, C#, or Python, with AI expertise an...

Lead a high-impact engineering team at Microsoft, driving the core infrastructure behind M365 Copilot. This Principal Software Engineering Manager role in Redmond focuses on scalability, reliability, and performance for AI products like Word and PowerPoint. Requires a Bachelor's in CS with 6+ yea...

Principal Software Engineer role in London with Microsoft’s ISE team. You’ll co-develop cloud-based AI solutions alongside enterprise customers, using C#, Python, or Java. Requires consultative experience, cross-functional collaboration, and up to 25% travel. Enjoy a competitive benefits package ...