101 to 125 of 247 Principal Engineer Jobs in London

here. Everything that makes you unique is welcome; join us and let’s build what’s next - together! Role Summary We're seeking a Principal Engineer, AI, who can work across the full stack of the company AI applications, from model integration and prompt engineering to building intuitive ...

Unifeye Ltd. is seeking an experienced Principal Engineer to lead hands-on build and delivery of modern data and AI solutions on the Databricks Lakehouse Platform. You will set engineering standards, mentor colleagues, and partner with customers to solve complex business challenges alongside architects and AI specialists. ...

Space Rangers team are recruiting a 6 Month Fixed Term Contract (FTC) Principal UI Engineer to join a London based Game Studio! Location: UK Remote ORLondon, Bromley (on-site) The Role Space Rangers is partnering with a AAA game development studio to recruit a Principal UI Engineer … interfaces reusable and future-proof. They remain hands-on, prototyping solutions and setting the bar for engineering quality by example. We trust our Principal UI Engineers with a high degree of autonomy and influence, and they put the long-term health of our technology and teams first. They partner ...

ICAP is seeking a Principal Software Engineer to own architecture and hands-on delivery of a desktop platform that automates trading desk workflows. You will drive high-performance, low-latency services and mentor a global team, including offshore partners, in a greenfield environment. Lead with architectural rigor, implement ...

Monzo is seeking a Principal Engineer to lead architectural direction for the company’s most complex systems. You will partner with engineering and product leaders to shape the technical and product roadmap, staying hands-on to maximize leverage. You will mentor senior engineers and drive cross-team initiatives ...

Principal/Senior Software Engineer x2 Inside IR35 Contract Rate: up to £800/day Location: Remote/London Duration: 6 months initially Description: The opportunity This is a contract engagement supporting a major Information Security AI transformation, a large programme that is modernising and automating the security … operating model with agentic AI. We are looking for both a Principal and Senior hands-on engineer to drive the build of a portfolio of agentic AI security applications, defining the solution architecture and contributing to the most complex components of the solution and system design. You would ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused on getting … improve the value realized by automation at scale. Required qualifications, capabilities, and skills Formal training or certification (e.g., BSc, CKAD, Google Associate Cloud Engineer, or AWS Certified Solutions Architect). Expert-level administration of a major cloud platform (GCP, AWS, or Azure). Mastery of Kubernetes administration and operator ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused on getting … improve the value realized by automation at scale. Required qualifications, capabilities, and skills Formal training or certification (e.g., BSc, CKAD, Google Associate Cloud Engineer, or AWS Certified Solutions Architect). Expert-level administration of a major cloud platform (GCP, AWS, or Azure). Mastery of Kubernetes administration and operator ...

have within the community. Salary: £80,200 - £120,400 The Opportunity This is more than just a job; it’s a mission. As a Principal Software Engineer, you will play a pivotal role in designing, developing, and maintaining the critical infrastructure that powers our services. You will work … meet customer needs. “My purpose is to lead a team of engineers, rise to the challenges presented, push the boundaries and define possible together.” – Principal Software Manager, Northrop Grumman UK What You’ll Do Take ownership of multiple teams’ deliverables and work with technical leads to define a path ...

technology solutions that support industry‐recognised certifications and help transform buildings into smart environments. About the Role We are seeking a BMS Principal Engineer to join our newly formed BMS Specialist Department. The role will involve providing expert advice, design support and technical consultancy across building management systems ...

curiosity, dedication, and innovation that drive our success and help us anticipate the future. Position Summary Onfido, an Entrust company, is seeking a Principal Solutions Engineer to take technical ownership of a portfolio of EMEA Strategic Accounts and to act as the technical focal point … find difficult. This is a hands on, customer facing role that blends problem solving, technical design, deep product knowledge and strong communication. As a Principal you will also mentor Solutions Engineers at all levels globally, influence our product roadmap for your market segments, and help shape the long term ...

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a senior hands-on role for an individual who combines deep technical expertise with ...

helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused on getting … improve the value realized by automation at scale. Required qualifications, capabilities, and skills Formal training or certification (e.g., BSc, CKAD, Google Associate Cloud Engineer, or AWS Certified Solutions Architect). Expert-level administration of a major cloud platform (GCP, AWS, or Azure). Mastery of Kubernetes administration and operator ...

driven workflows, trusted data, and seamless collaboration, to deliver the insight and context needed for confident, competitive decision-making. The Opportunity As a Principal Site Reliability Engineer at Veson Nautical, you will design, build, monitor, and support the cloud infrastructure that underpins our rapidly growing SaaS platform. This … United Kingdom. This is a senior individual contributor role without direct reports, but with real leadership expectations. If you are the kind of engineer who measures success partly by what your teammates can do without you, this role will suit you. This position is based in London ...

Senior/Principal Physical Design Engineer London Fractile’s mission is to enable a new chapter in the AI revolution. We’re pioneering AI innovation where hardware and software join to create something extraordinary, unlocking the power of the world’s largest language models with speed increases … join a dynamic group of innovators shaping AI's future, we want to hear from you! We are seeking a highly skilled Senior/Principal Physical Design Engineer to contribute to our next-generation chip designs. As a Physical Design Engineer, you will be responsible ...

seeking a hands-on Salesforce Engineer with a proven track record of designing, building, and delivering robust, scalable, and secure solutions on the Salesforce platform. The ideal candidate combines deep technical craftsmanship with high engineering standards, an eye for detail, and a continuous improvement mindset. A strong understanding … working with global colleagues and stakeholders and sensitivity to cultural differences, time zones etc. What you’ll be like The ideal candidate for the Principal Salesforce Engineer role will be a pragmatic and collaborative technical leader who takes pride in engineering craftsmanship and delivering business value. They will ...

seeking a Principal Software Engineer to join our Corporate Credit Derivative technology team based in London. The successful candidate will own the design, development, and deployment of solutions. This requires working closely with the business, including trading, strats and coo as well as other important stake holders across … capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is a Software Engineer position at Vice President level, which is part of the job family responsible for developing and maintaining software solutions that support business needs.Since ...

Lead/Principal Full stack Developer React AI Engineer Location: London (Hybrid - 3-4 days per week) Salary: £120,000 - £1600,000 + Equity + Excellent Benefits Job Type: Permanent Build the Next Generation of AI Products We're partnering with an innovative, fast-growing technology company that … redefining how AI-powered products are built and delivered. This is an exciting opportunity for a Lead/Principal React AI Engineer to join a high-calibre engineering team developing cutting-edge AI applications used by customers globally. You'll play a pivotal role in building intuitive user ...

Trayport seeks a Principal Platform Engineer to anchor our Platform/Operations in London. The role is 70% hands-on—designing, building and operating infrastructure for a global trading platform, and mentoring the broader team. You will drive cloud engineering across AWS and Azure, own networking design ...

seeking a Principal Backend Engineer to lead the technical evolution of Diesta’s backend platform. This is a deeply technical role for someone who can make difficult architectural decisions, set a high engineering bar and help the team scale a complex, data-intensive system with confidence. You will … architectural decision records, API and data-contract documentation, and operational guidance that humans and AI agents can use safely. What We’re Looking For Principal-Level Backend Experience : Substantial experience designing and evolving production backend platforms, with a track record of technical leadership in complex, high-scale systems. NestJS ...

firm to execute long-term projects in these areas that require significant machine learning development to support JPMC businesses as they grow. As a Principal Software Engineer at JPMorganChase within CDAO Technology Group in the Applied Innovation (of AI) Engineering team, you will design, develop, deploy, and maintain … company, ensuring that we’re setting our businesses, clients, customers and employees up for success. Drive impactful AI solutions as a senior engineer, designing and delivering innovative products in a collaborative, agile team. #J-18808-Ljbffr ...

About the Role We're seeking a versatile Principal Data Engineer who can work across the full stack of Anaplan AI applications, from model integration, prompt engineering and set the technical direction for how we ingest, transform, store, serve, and govern the data that powers our LLM-based … that capture the semantics of customer models. Develop end-to-end GenAI features including backend API services, model integration, model monitoring, evaluations and deployments Engineer feature and context pipelines balancing batch and streaming patterns to feed forecasting and anomaly‐detection models, collaborating closely with data scientists to productionise algorithms. ...

About IG Group Job Title Principal Data Engineer Job Description So, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn’t pivot to innovation ...

Principal Machine Learning Engineer, AI & Data Platforms (AiDP) London, England, United Kingdom Corporate Functions At Apple, we build AI systems that define experiences for billions of people and we do it with an unwavering commitment to privacy, performance, and craft. The AI & Data Platforms (AiDP) team is seeking … Principlal Machine Learning Engineer to lead the design, fine‐tuning, evaluation, and productionisation of large language models and generative internal AI systems at global scale. This is a deeply hands‐on, high‐impact role: you will work across the full model lifecycle, from reinforcement learning and upstream training through ...

people ever get close to, and build something that actually helps the planet. Are you up for the challenge? We're looking for a Principal Cloud Engineer to join our platform team and help us push the boundaries of what AI can do for the planet. Your impact … will be a role model and mentor. You will help your team mates through review, pair programming, and architectural oversight, so that every engineer becomes better for working alongside you. A clear architectural roadmap for cloud and DevEx . Gigaton have ambitious goals, and we need to move quickly. ...