26 to 50 of 258 Principal Engineer Jobs in London

## Principal EngineerApply: UK-London: Full time: Posted Today: R004529Principal Engineer**Shift Pattern:**Standard 40 Hour Week (United Kingdom)**Scheduled Weekly Hours:**40**Corporate Grade:**C - Vice President**Reporting Line:**(UK Division) Information Technology**Location:**UK-London**Worker Type:**PermanentThe Principal Engineer is a senior individual ...

place where everyone can grow, develop and fulfil your potential with meaningful careers. ROLE SUMMARY: We are seeking a highly skilled and motivated Principal Technical Engineer with deep experience in Kubernetes and the CNCF landscape to join our growing team. In this role you will … hands-on role with significant opportunities to impact our technical strategy and influence the direction of our platform. We are looking for a Principal Engineer with experience of building cloud platforms and leading software engineering teams that support critical applications at scale in cloud. WHAT ...

Selection changes the language of the page/content Principal Software Engineer - Marketing Technology London, England, United Kingdom Software and Services Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. You bring passion … dedication to your job and there's no telling what you could accomplish.Apple is in search of an experienced Principal Software Engineer to join the Central Marketing's Marketing Enablement team in London to drive technical architecture vision for its marketing products. This is a deeply hands ...

Principal Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: Head of Engineering Description Defaqto is one of the most trusted names in UK financial services research and ratings, and our technology turns deep market data into decisions that advisers, providers and consumers rely … every day. The credibility of that output rests on the quality of our engineering. We are looking for a Principal Software Engineer to be the most senior individual contributor in our Technology function. Reporting to the Head of Engineering and working closely with the CTO, you will ...

Principal Software Engineer, Global Public Sector Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality … training data for national LLMs Upskilling and advisory services to spread the impact of AI We are hiring a Principal Engineer to join a small team of our most senior engineers who take on the problems no one else can. You will work at the earliest stage ...

Principal Engineer About this role The bar has moved. Five years ago a strong engineer was measured by what they could build and how well they could mentor others to build it. Today, with Claude Code and agents, we produce quality work at a speed that would … which keeps you several layers ahead while the rest of the team is still reading the API docs. AI as the accelerant For a Principal to be truly exceptional, this is now already a first-class competency in your arsenal, not a side skill. An engineer ...

There are many interesting challenges ahead, and we’re happy for people to move between teams or to specialise, whatever you prefer. As an engineer here you’d be able to work directly with anyone across the company, and we run regular knowledge-sharing sessions so you’ll learn … heaps about everything from how banks work to effective communication. A Principal Engineer at Monzo is a hands on engineering leadership (IC) position. As a Principal Engineer you’ll: Partner with and guide Engineering and Product Leaders to shape the technical and product direction of Monzo ...

Principal Optical Engineer | Next Gen Optics | London - Onsite | £85k - £110K We're looking for an experienced Principal Optical Engineer to lead the development of advanced optical systems for an innovative next-generation hardware platform. This is a highly technical, hands-on role where ...

Principal Safety Engineer Location: New Malden Salary: Up to £75,000 DOE The Role We're looking for an experienced Principal Safety Engineer to lead safety assurance activities across the design, development and maintenance of Platform Management Systems for naval vessels , including surface ships and submarines. ...

Principal Safety Engineer Location: New Malden Salary: Up to £75,000 DOE The Role We're looking for an experienced Principal Safety Engineer to lead safety assurance activities across the design, development and maintenance of Platform Management Systems for naval vessels , including surface ships and submarines. ...

Principal Engineer – STA/Constraints Sign-Off EngineerJob detailsEngineering/Physical DesignIndia, Spain, United Kingdom (London), United Kingdom (Bristol), MoroccoFull-timeHybridWe are seeking a highly motivated **Principal STA/Constraints Sign-Off Engineer** to lead timing signoff and constraint methodology development for advanced-node ...

Principal Software Engineer Python AI - FinTech London, Greater London | £100k - £120k per year Principal Software Engineer/Developer (Python AI) London/WFH to £120k Do you have expertise with backend Python combined with a strong knowledge of Agentic AI? You could be progressing your career … established FinTech business specialising in automated investment reporting . As a Principal Software Engineer you'll be in a product focused engineering role, combining hands-on Python development with technical ownership. You'll lead projects end to end, shape architecture and drive the delivery of new product capabilities ...

personalised digital experiences and initiate payments and hundreds of organisations across finance, media and retail rely on it. The Role We are seeking a Principal Engineer who has built things people actually use and still wants to write the code. You will have taken products from nothing … team builds without being their manager. You also need to be using agentic engineering already and treating it as a multiplier. One good engineer can now take on work that used to need a team. We want to hear your opinions and your approach. What you would work ...

Principal Software Engineer/Developer (Python AI) London/WFH to 120kDo you have expertise with backend Python combined with a strong knowledge of Agentic AI You could be progressing your career at an established FinTech business specialising in automated investment reporting .As a Principal Software Engineer … Group university, having achieved a 2.1 or above in a STEM discipline, Computer Science preferredYou have strong commercial software engineering experience, at Senior or Principal levelYou have expertise with Python development combined with experience using Django or FastAPI (happy to use Django going forward)You can lead the design ...

Principal Software Engineer/Developer (Python AI) London/WFH to £120k Do you have expertise with backend Python combined with a strong knowledge of Agentic AI? You could be progressing your career at an established FinTech business specialising in automated investment reporting . As a Principal Software Engineer you'll be in a product focused engineering role, combining hands-on Python development with technical ownership. You'll lead projects end to end, shape architecture and drive the delivery of new product capabilities, working across backend engineering, data processing and complex financial systems. The business ...

STOXX is seeking a Principal Platform Engineer to join our global Platform Engineering function, responsible for the cloud platforms, engineering capabilities, and operational foundations that support our products and services worldwide. Working across both GCP and AWS, you will help shape the next evolution of our platform engineering … tooling, patterns, operational capabilities, and platform services required to support AI‐powered applications, agentic workflows, and emerging AI technologies at enterprise scale. As a Principal Engineer, you will work closely with peers across engineering, architecture, security, and product teams to solve complex technical challenges and influence technical direction ...

Principal Engineer (Data & AI Capabilities) London, United Kingdom and 1 more Job Description Curious about what’s next? So are we. Join Compare the Market and help to make financial decision making a breeze for millions. At Compare the Market, we’re a purpose-driven business powered ...

Principal Java Engineer | Event Streaming Platform | Financial Markets Technology London - Hybrid £120k-150k base The Role: This is a hands-on Principal Engineer role working on the Event Streaming Platform, for someone who still wants to build, while having real influence over how engineering gets done. ...

looking for people who are energised by ambition, excited by possibility and motivated by the opportunity to help shape what comes next. As a Principal Engineer, you’ll be a senior technical leader within our Transformation Engineering Chapter, co-owning a product squad with a Product Manager … governed technology from the start - not treating risk, reliability or auditability as an afterthought. What you will need Significant software engineering experience, ideally with principal-level technical leadership in agile, product-led or squad-based delivery environments. Strong technical architecture judgement across distributed systems, microservices, APIs, event streaming, data ...

outcomes, influence our technical direction and play a key role in the growth of the business. The Role We're looking for an experienced Principal Engineer to join our Engineering team and lead the hands-on build and delivery of modern data and AI solutions on the Databricks … customers build scalable, secure and governed data platforms that perform at enterprise scale. Alongside client delivery, you'll raise the bar for how we engineer, mentor colleagues, share knowledge and contribute to the continued growth of Unifeye. What You'll Do Lead the hands-on design, build and optimisation ...

Principal Engineer, Mobile Platform & Backend Systems About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private ...

Edinburgh or London (6 days in the office - per month) We are collaborating in sourcing a Principal Engineer for a large UK client . You will work from the Edinburgh or London offices, with 6 days per month working in the office, and the rest remotely. This … challenging role that will see you design and engineer software with the customer or user experience as the primary objective. You'll actively contribute to our architecture, design and engineering centre of excellence, collaborating to improve the bank's overall software engineering capability. You'll gain valuable stakeholder exposure ...

engineering team builds and supports high-throughput, business-critical systems, with a strong emphasis on reliability, scalability, automation and engineering quality. Role As a Principal Engineer, you will remain hands-on while helping shape the architecture and technical direction of highly available, distributed software platforms. Design and develop ...

engineering team builds and supports high-throughput, business-critical systems, with a strong emphasis on reliability, scalability, automation and engineering quality. Role As a Principal Engineer, you will remain hands-on while helping shape the architecture and technical direction of highly available, distributed software platforms. Design and develop ...

Principal AI Engineer London (hybrid working) 1 day per week in the London office, with flexibility depending on business needs and stakeholder engagement. About the role We're looking for a Principal AI Engineer to help establish, grow and shape AI capability across Railpen, providing technical ...