Software Engineer, Principal Jobs

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 ...

Principal AI Software Engineer sought by AMD to lead OneROCm software stack innovation across Instinct, Radeon, and Ryzen platforms. This hands-on role requires deep expertise in GPU architectures, AI/ML full-stack development, and hardware/software co-design. Drive next-gen products in San Jose,...

Senior Principal Software Engineer sought to lead Layer 7 security innovation in Santa Clara. This strategic role demands expert-level C/Go skills, deep Unix/Linux experience, and a proven track record designing large-scale distributed systems. You will define architecture for next-gen firewall p...

Senior Principal Software Engineer sought to lead Layer 7 security architecture for next-gen firewall platforms in Santa Clara, CA. Requires 12+ years of experience, expert C and Go skills, and deep Unix/Linux expertise. Drive scalable, distributed cloud security systems and mentor senior enginee...

Lead and grow a high-impact engineering team at Microsoft, driving AI performance optimization for large-scale model training and inference. This Principal Software Engineering Manager role in Redmond requires deep expertise in GPU architecture, C/C++/Python, and managing cross-layer AI software ...

Lead the development of critical monitoring and alerting for Microsoft 365 Resilience, including Copilot. As a Principal Software Engineer, you will architect robust reliability measures like Graceful Degradation across core platforms. Requires a BS in CS with 12+ years coding in C, C++, C#, or P...

Principal Software Applications Development Engineer sought in Bangkok, Thailand. This senior role demands Java, C++, Python, and agile expertise to design, optimize, and test complex applications. You will mentor junior developers and drive user-focused solutions. Join a dynamic team to lead cri...

Principal Software Engineer role in Redmond, WA, driving GPU inference optimization and LLM/SLM architecture for Microsoft’s AI monetization platform. You’ll accelerate deep learning inference across Copilot, Search, and Ads, bridging cutting-edge AI with business impact. Requires 8+ years in C++...

Principal/Senior Software Engineer – Identity Security at Palo Alto Networks in Tel Aviv. Drive innovation securing identities across hybrid and SaaS landscapes using cloud-native tech (Kubernetes, Docker, AWS/GCP/Azure). Requires 5+ years backend experience, AI-assisted development skills, and a...

Join Palo Alto Networks as a Principal/Senior Software Engineer in Tel Aviv, shaping the future of Identity Security. You'll architect scalable, cloud-native solutions using Kubernetes, Docker, and microservices to secure hybrid and SaaS landscapes. Leverage AI tools like Gemini and Claude to dri...

Principal Software Engineer sought by RX Global in Richmond, UK. Drive domain architecture, mentor senior engineers, and own technical roadmaps for high-impact systems. Requires deep expertise in distributed systems, cloud-native AWS solutions, and legacy modernisation. Lead through influence, ba...

Principal Software Engineer at Microsoft Azure Data in Tokyo, Japan. Design and implement core PostgreSQL features, including planner, executor, and replication. Requires 6+ years of C/C++/C#/Java/Python experience and deep database internals knowledge. Join a world-class team building the data p...

Join Microsoft’s Azure Resource Graph team as a Principal Software Engineering Architect. Lead the evolution of big data, LLM, and agentic platforms, designing scalable distributed systems. Requires 8+ years in C, C++, C#, Java, JavaScript, or Python. Drive AI adoption and build high-performance ...

Principal Software Engineer role in Redmond, WA, driving AI-powered operations for Microsoft Azure. You will design scalable ML infrastructure, embed automation, and enhance cloud reliability. Requires expertise in distributed systems, C#/Java/Python, and cloud-native architectures. Join a collab...