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Principal Engineer United Kingdom Jobs (Remote work)

17 Job Offers

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Principal Software Engineer
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Principal Software Engineer sought by Microsoft’s ISE team in London to co-engineer high-scale solutions with customers. You will lead technical strategy, containerize workloads, and leverage AI to solve complex challenges. Requires deep coding expertise (C++, Python, etc.) and customer-facing ex...
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United Kingdom , London
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Not provided
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Microsoft Corporation
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Principal Cable Design Engineer
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Seeking a Principal Cable Design Engineer for a remote role with ad-hoc UK office attendance. You will lead high-voltage AC/DC cable system design from 11kV to 400kV, using CYMCAP and CAD. Requires expertise in UK HSE legislation, CDM, and client-facing consultancy. Earn £70-£90/hr (outside IR35)...
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United Kingdom , London
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70.00 - 90.00 GBP / Hour
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Morson Talent
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Principal Presales Engineer, Product Specialist - CDP, Martech, AI
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Twilio seeks a Principal Presales Engineer to bridge complex enterprise accounts with Product teams, specializing in CDP, Martech, and AI. You will architect multi-product solutions, drive technical wins, and influence product strategy through compelling storytelling. Based in the United Kingdom,...
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United Kingdom
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Not provided
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Stytch
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Principal Solutions Engineer - Application Security
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United Kingdom
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Wiz
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Principal Solutions Engineer
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United Kingdom
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Wiz
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Principal Software Engineer - ISE
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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 ...
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United Kingdom , London
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Not provided
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Microsoft Corporation
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Principal Process Safety / Functional Safety Engineer
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Lead process safety initiatives for a UK-based manufacturing leader. Facilitate key hazard studies (PHA/HAZOP/LOPA) and drive functional safety (SIL/SIS) in projects. Requires a Chemical Engineering degree, CFSE/TUV qualification, and strong risk assessment expertise. Enhance safety performance a...
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United Kingdom
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SRG
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Principal Software Engineer
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Join a rapidly growing AI startup as a Principal Software Engineer. Design and deliver production-grade systems where intelligent agents operate at scale. We seek 10+ years of backend expertise (Python/Go) and hands-on AI agent experience. Enjoy a fully remote role in the UK with competitive pay ...
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United Kingdom
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150000.00 - 200000.00 GBP / Year
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Oho Group Ltd
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Principal Platform Engineer
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Lead platform strategy and engineering decisions for a global UK-based unit. Utilize your expertise in AWS, Kubernetes, and microservices to modernize systems at scale. Enjoy a culture of deep technical investment, including funded certifications, while guiding teams on cutting-edge projects.
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United Kingdom
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90000.00 - 110000.00 GBP / Year
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Linux Recruit
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Principal Software Engineer, Docker Agents
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United Kingdom , London
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Not provided
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Docker
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Principal Data Engineer
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Lead the next-generation data platform as a Principal Data Engineer at Dotdigital. Architect scalable, real-time data systems using Python, SQL, and cloud tech (Azure/AWS/GCP). Drive data architecture and AI automation, collaborating with cross-functional UK teams. Enjoy comprehensive benefits in...
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United Kingdom
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Dotdigital
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Principal Data Engineer
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Lead the technical strategy for our data platform as a Principal Data Engineer. This hands-on leadership role requires deep expertise in Databricks, PySpark, and cloud platforms (AWS/Azure). You will design scalable architectures, ensure data governance, and mentor engineers. This is a hybrid rol...
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United Kingdom , Thame; Leeds
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80000.00 - 100000.00 GBP / Year
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PEXA UK
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Principal Backend Engineer
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Lead backend development for top-tier multiplayer games in a remote-first, global studio. Architect scalable, high-concurrency services using cloud platforms and modern tech stacks. Enjoy a supportive culture with wellbeing benefits and flexible hours. Ideal for seasoned engineers with live game ...
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United Kingdom
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Climax Studios
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Principal Azure DevOps Engineer
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Lead the cloud transformation as a Principal Azure DevOps Engineer for a leading UK consultancy. This senior, home-based role requires extensive Azure architecture, IaC (Terraform), and CI/CD expertise. You will design secure, scalable platforms and provide technical leadership across client proj...
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United Kingdom
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80000.00 - 90000.00 GBP / Year
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DataCareers
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Principal Solutions Engineer
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Join Wiz, the fastest-growing cloud security startup, as a Principal Solutions Engineer in the UK. Leverage your deep expertise in cloud architecture (AWS/Azure/GCP), AppSec (ASPM, SAST, SCA), and Kubernetes to be the top field expert. You will collaborate with sales on strategic opportunities, g...
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United Kingdom
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Wiz
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Principal ML & AI Engineer
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Lead the delivery of cutting-edge AI and ML solutions for top-tier enterprise clients. This hands-on role requires deep expertise in Python, LLMs, and production deployment. Leverage your consulting experience to design and implement GenAI systems from concept to live operation. Join a specialist...
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United Kingdom
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Dynamic Search Solutions
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Principal Solutions Engineer
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Join Wiz, the fastest-growing cloud security startup, as a Principal Solutions Engineer in the UK. Leverage your deep expertise in cloud architecture (AWS/Azure/GCP), AppSec (ASPM, SAST, SCA), and Kubernetes to be the top field expert. You will collaborate with sales on strategic opportunities, g...
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United Kingdom
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Wiz
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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.