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Principal Engineer Jobs (Hybrid work)

544 Job Offers

Principal Fire Engineer
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Join a leading engineering consultancy as a Principal Fire Engineer in Manchester. Deliver fire safety strategies and technical advice on complex, high-profile UK building projects. This role requires strong knowledge of UK regulations, fire modelling experience, and excellent communication skill...
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United Kingdom , Manchester
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Salary
65000.00 - 75000.00 GBP / Year
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Brandon James
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Principal Software Engineer
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Lead the future of enterprise AI as a Principal Software Engineer on Microsoft's Turing Team. Design and build the core infrastructure powering the Microsoft 365 Copilot, impacting millions globally. This role requires 6+ years of experience in C++, C#, Python, or similar, with a focus on scalabl...
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United States , Redmond
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer - Power BI
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Lead the technical strategy for AI-first services within Microsoft's Power BI platform. This Principal Software Engineer role in Redmond requires 6+ years of experience in languages like C# or Python. You will architect complex systems, write secure code, and drive engineering excellence for the ...
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United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Lead the fight against advanced email threats as a Principal Software Engineer in Hyderabad. Architect and build post-breach security systems and Agentic AI platforms for Microsoft Defender for Office. Leverage your 8+ years of experience in distributed systems and cloud services to innovate and ...
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India , Hyderabad
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Salary
Not provided
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Microsoft Corporation
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Principal Software Engineer, Full Stack
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Lead full-stack development for Microsoft Security in Redmond, shaping a safer digital world. This principal role requires 6+ years' expertise in C#, Java, Python, or similar, building scalable, secure cloud solutions. You will architect critical systems, mentor engineers, and define best practic...
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United States , Redmond
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer, Experimentation Platform - CoreAI
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Lead the architecture of Microsoft's high-scale Experimentation Platform (ExP) in CoreAI, enabling trustworthy A/B testing for AI-driven applications. This senior role in Redmond requires 6+ years of coding experience (C++, Python, etc.) and expertise in building scalable, resilient systems. You ...
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United States , Redmond
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Engineer- Director
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Lead technical excellence for a high-volume corporate banking platform in Whippany. Utilize your expertise in Java 17+, Spring, and event-driven architecture to design scalable solutions. Mentor engineering teams while ensuring strategic alignment with business and regulatory goals. This role off...
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United States , Whippany
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Salary
225000.00 - 300000.00 USD / Year
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Barclays
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Principal Generative AI Engineer
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Lead the architecture and deployment of cutting-edge Generative AI solutions as a Principal Engineer in Mississauga. This hands-on role requires 10+ years of Python expertise and deep mastery of LLMs, RAG, and agentic frameworks. You will define technical strategy and build production systems wit...
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Canada , Mississauga
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Salary
145100.00 - 217700.00 USD / Year
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Citi
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Principal Application Engineer
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Join Bentley Systems as a Principal Application Engineer in Mumbai. Leverage your 15-20 years of structural engineering expertise with Bentley solutions like STAAD and RAM. Drive pre-sales technical strategy, develop solution architectures, and influence customer roadmaps. Enjoy a competitive sal...
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India , Mumbai
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Not provided
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Bentley Systems
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Principal Physical Design Engineer
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Join Microsoft's Silicon team in Bangalore as a Principal Physical Design Engineer. Lead physical design implementation and tapeouts for complex ASICs in cutting-edge technology. Utilize your 12+ years of experience to drive block and SoC-level design, from floorplanning to signoff. This role off...
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India , Bangalore
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Not provided
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Microsoft Corporation
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Principal Software Engineer
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Join Microsoft's Windows team in Hyderabad as a Principal Software Engineer. Lead high-caliber teams in modern app development using C/C++ and XAML/WinUI to revolutionize the Windows experience. This role requires 10+ years of coding expertise and a passion for building software at scale. Shape t...
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India , Hyderabad
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Not provided
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Microsoft Corporation
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Principal Applied AI Engineer
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Lead the development of cutting-edge security AI solutions at Microsoft in Hyderabad. This senior role requires 9+ years' experience, with deep expertise in Python/C#, LLMs, and GenAI frameworks like LangChain. You will design and deploy production AI systems, focusing on RAG, fine-tuning, and ag...
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India , Hyderabad
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Not provided
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Microsoft Corporation
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Principal Software Engineer, CoreAI
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Join Microsoft's CoreAI team to build the AI infrastructure powering Azure's innovation. As a Principal Software Engineer, you'll develop scalable training systems for frontier LLMs and agentic models. This role requires 6+ years of coding experience in C++, Python, or similar. Collaborate in a f...
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United States , Multiple Locations
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Lead the development of next-gen financial applications in Galway. This Principal Engineer role requires 8+ years' expertise in Java, Spring Boot, and Angular, with strong AWS and microservices knowledge. Drive technical excellence, mentor a high-performing team, and enjoy a competitive bonus. EU...
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Ireland , Galway
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Salary
90000.00 EUR / Year
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Nicoll Curtin
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Principal Software Engineer - Storage
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Lead the design of Azure's hyperscale storage resiliency systems as a Principal Software Engineer. You will develop fault prediction, self-healing automation, and repair workflows for millions of SSD nodes. This role requires deep expertise in SSD firmware, NVMe, and large-scale reliability engin...
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United States , Aliso Viejo
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Lead the future of AI infrastructure at Microsoft Core AI in Redmond. Design and build high-scale distributed services for AzureML, powering next-gen LLMs like GPT-5. Requires 6+ years of coding experience and 3+ years in systems for large model training. Develop in C#/Go/Rust on Kubernetes to so...
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United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer - Surface Team
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Lead the architecture for innovative Surface app experiences at Microsoft's Redmond HQ. As a Principal Software Engineer, you'll define technical vision, mentor teams, and build high-quality software for millions. Requires 6+ years in C++/C# and a passion for hardware-software integration. Enjoy ...
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United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Lead the future of security as a Principal Software Engineer at Microsoft in Redmond. Design and architect complex cloud solutions for the Microsoft Security platform, using your expertise in C#, Java, or Python. This role requires a Bachelor's degree, 6+ years of coding experience, and a passion...
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United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Join Microsoft's Business & Industry Copilots group as a Principal Software Engineer in Redmond. Drive AI innovation within the Copilot Studio team, designing and delivering cutting-edge SaaS applications. Leverage your 6+ years of coding expertise in C#, Java, Python, or similar to build and opt...
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United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Lead AI-native security innovation at Microsoft in Redmond. As a Principal Software Engineer, you'll provide technical leadership, improve AI tools across the SDLC, and establish best practices. Requires a Bachelor's degree plus 6+ years of coding experience in C, C++, C#, Java, JavaScript, or Py...
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United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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About the Principal Engineer role

Explore the pinnacle of technical leadership with Principal Engineer jobs. A Principal Engineer is a master-level technical expert and strategic leader within an engineering organization. This is not merely a senior role; it represents the apex of an individual contributor technical track, where influence, architectural vision, and deep expertise converge to shape the technological future of a company. Professionals in these roles are the go-to authorities for the most complex, high-impact challenges, setting technical standards and driving innovation across multiple teams or the entire organization.

The common responsibilities of a Principal Engineer are vast and critical to long-term success. Typically, they involve defining and driving the long-term technical strategy and architectural vision for major platforms or product suites. They are responsible for researching, prototyping, and selecting technologies that will scale to meet future business needs. A core part of their duties includes leading the design and implementation of complex, cross-functional systems, ensuring they are resilient, secure, and efficient. They serve as the ultimate escalation point for critical production issues, conducting deep-dive analysis and root cause investigations to resolve systemic problems. Furthermore, Principal Engineers have a significant mentorship and governance function, actively coaching senior and staff engineers, establishing best practices, and conducting rigorous code and design reviews to maintain exceptional quality across all engineering outputs. They are also key collaborators, working closely with engineering managers, product leaders, and enterprise architects to align technical execution with business objectives.

The typical skills and requirements for these high-level positions are extensive. A bachelor's or master's degree in computer science, engineering, or a related field is common, though equivalent demonstrable experience is often acceptable. Most roles require a minimum of 10+ years of progressive, hands-on software development or infrastructure engineering experience, with a significant portion spent in lead or architecture-focused positions. Essential technical skills include mastery of relevant programming languages and frameworks, profound knowledge of system design patterns and distributed architectures, and expertise in cloud platforms like AWS, Azure, or GCP. They must possess exceptional analytical and problem-solving abilities to deconstruct ambiguous, complex problems. Beyond technical prowess, superior soft skills are non-negotiable; this includes outstanding communication to articulate technical vision to both technical and non-technical stakeholders, proven leadership and influence without formal authority, and strategic business acumen. For those seeking to define technological frontiers and mentor the next generation of experts, Principal Engineer jobs offer a challenging and highly rewarding career path at the forefront of innovation.