Software Engineer, Principal Jobs

Principal Software Engineer role in Sydney, Australia. Join a cross-functional team building innovative solutions with modern cloud technologies and languages like C#, Java, or Python. Lead design, mentor engineers, and collaborate with strategic customers and Microsoft product teams. Competitive...

Principal Software Engineer role on Microsoft’s CoreAI FIT Agentic Systems team, building the AI infrastructure for Azure. You will develop scalable infrastructure for training LLMs, SLMs, and agentic models, designing API orchestration layers with OpenAI. Requires 6+ years in C, C++, Python, and...

Lead the future of AI-driven presentation creation as a Principal Software Engineering Manager for Powerpoint Copilot in Noida. Manage a team building cutting-edge ML pipelines and high-scale backend services, requiring 12+ years of engineering experience and expertise in C++, Python, or Java. Dr...

Principal Software Engineer sought to lead AI-powered innovation on the Planner team in Hyderabad, India. You will architect scalable, cloud-based solutions, mentor engineers, and drive technical excellence across the SDLC. Requires a Bachelor's in CS or equivalent with 6+ years coding in C++, Ja...

Principal Software Engineer needed in Bedford, MA to support C3BM’s critical Battle Network integration for the USAF and USSF. Requires a Top Secret/SCI clearance, 20+ years of experience, and expertise in full SDLC, IT systems, and software V&V. Join Agile teams to design, test, and deliver adva...

Principal Software Engineer role in Hyderabad, India, leading architecture for Microsoft’s CoreAI Agentic Core Services Team. You will design cloud-native distributed platforms for generative AI agents, mentor engineers, and drive security automation. Requires 8+ years building production-grade s...

Principal Engineer (Software Architect) role at Flight Centre Travel Group in South Bank, Australia. Shape technical strategy and design cloud-native architectures for global-scale travel booking systems. Requires 3+ years as a Technical Lead/Architect, expertise in microservices, Kubernetes, AWS...

Principal Software Engineer, Engineering Effectiveness at General Motors in Austin, TX. Solve high-leverage engineering problems across software development, optimizing speed, cost, and usability. Requires 10+ years of experience, deep systems thinking, and a track record of scalable improvements...

Principal Software Engineer role on Microsoft’s CoreAI Workload Engines team in Redmond, WA. You will optimize large-scale GPU inference for OpenAI and LLMs, driving performance, latency, and efficiency improvements. Requires 6+ years in C/C++/Python, deep performance analysis, and production inf...

Senior Principal DeltaV PAS Engineer needed for on-site commissioning in Allakaket, AK. Lead DCS testing, configuration, and loop checks independently. Requires expert-level DeltaV skills, including sequences, alarms, historian, and Live graphics. 14/14 rotation with 12-hour shifts; all travel an...

Senior Principal DeltaV SIS Software Engineer needed for on-site commissioning in Allakaket, AK. Lead testing, configuration, and loop checks from the DCS board, managing sequences, alarms, historian integration, and DeltaV Live graphics. Requires senior-level independence and 14-day on/off rotat...

Lead Windows graphics innovation as a Principal Software Engineering Manager in Hyderabad. Manage a high-caliber team building breakthrough rendering and composition systems for Windows. Requires deep expertise in graphics pipelines, C++/C#, and AI-powered tools, plus 6+ years leading large dev t...

Join Microsoft’s CoreAI team as a Principal Software Engineer in Redmond, WA. Drive the technical vision for the Microsoft Foundry enterprise platform, designing high-performance services with C#, Python, or Java. Lead cross-org collaboration on AI agent solutions, authentication, and advanced se...

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 ...