126 to 150 of 213 Principal Engineer Jobs in London

leading technology firm in Greater London is seeking a Principal Software Engineer to design, develop, and maintain critical infrastructure. This role involves ownership of team deliverables, collaboration with external partners, and mentoring engineers. Candidates must have strong capabilities in backend and frontend development, design scalable systems, and familiarity ...

Principal Android Engineer – Search & Recommendations Experience Team We are looking for a technical leader who will shape the native search and discovery experiences across our global travel platforms. In this role you will architect, design, and deliver advanced Android mobile solutions that ensure scalability, performance, and maintainability. Responsibilities ...

global AI-native consultancy is seeking a Principal Software Engineer to lead engagement delivery in the Energy & Commodities Trading sector. This hands-on role combines technical excellence and domain expertise, focusing on architecting scalable AI solutions that drive trading decisions. The successful candidate will work closely with client ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering ...

technology is only surpassed by our commitment to empowering ouremployees around the world. The Opportunity: ECI has an exciting opportunity for an experienced Principal Systems Engineer to join our London team. In this role, you will play a pivotal role bridging strategic design and hands-on delivery. ...

details Are you an experienced Principal Design Engineer looking for your next challenge? Aion Silicon is actively building a pipeline of talented engineers for future opportunities, and we’d love to hear from skilled professionals who are passionate about Design. With design centers across the UK, Spain, Hyderabad ...

About the Role We are looking for an experienced Lead Engineer (back-end) to lead the team building and scaling the infrastructure behind Scenario Builder, our electricity grid modelling platform. Scenario Builder is an in-browser platform that currently provides capacity expansion and dispatch modelling through an accessible ...

Germany, Ireland, and a network of teams in Czech Republic, Italy, Greece, and Portugal. Location London, Paddington About this Role We are seeking a Principal Platform Engineer to define and lead the technical direction of an AI‐native Internal Developer Platform. This role focuses on enabling product … technical specialist with expertise across cloud platforms, Kubernetes, infrastructure as code, CI/CD, observability, service networking, and platform security. A capable software engineer with proficiency in at least one modern programming language such as Python, Go, or Java, and experience building platform APIs and developer tooling. An advocate ...

Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal.#VOIS #BeUnrivalled #CreateTheFutureLocationLondon, PaddingtonAbout this RoleWe are seeking a Principal Platform Engineer to define and lead the technical direction of an AI-native Internal Developer Platform. This role focuses on enabling product and engineering … enterprise environments.A technical specialist with expertise across cloud platforms, Kubernetes, infrastructure as code, CI/CD, observability, service networking, and platform security.A capable software engineer with proficiency in at least one modern programming language such as Python, Go, or Java, and experience building platform APIs and developer tooling.An advocate ...

JPMorgan Chase is seeking a Principal Software Engineer to help transform digital banking for Chase UK. You will work in a distributed, diverse team focused on delivering scalable, secure, consumer-facing features with high availability and low latency. You will lead complex coding frameworks, apply enterprise AI-assisted ...

JPMorgan Chase is seeking a Principal Software Engineer within the International Consumer Bank to deliver scalable, secure consumer-facing features with high availability and low latency. You will collaborate with Product, Design and Compliance teams to ship customer-centric solutions that meet regulatory standards while leveraging enterprise ...

Thomson Reuters is seeking a senior software engineer to design, build, and deliver complex, scalable systems in production. You will provide technical leadership, mentor teams, and contribute hands-on coding to high‐impact projects. You will work across product, architecture, and engineering to turn business needs into robust designs ...

Overview We are seeking a strategic and technical Forward Deployed Engineer to lead the implementation of our newest innovations in Agentic Analytics across Tableau Next, Cloud and Server. In this high-impact role, you will bridge the gap between product and customer success. Your primary mission is to partner … phase, rapidly prototyping and iterating on solutions to solve the customer’s specific business questions ("Zero to One" builds). Integrate Disparate Data Sources: Engineer scalable data pipelines to ingest, clean, and unify structured and unstructured data from various sources into the Data360 lakehouse environment and canonical model Bridge ...

Marks & Spencer Plc’s Software Engineering team is seeking a Principal Software Engineer to provide senior technical leadership across our International Fashion, Home & Beauty domain and shape mission-critical platforms for international growth. You will set technical direction, drive scalable and secure solutions, mentor engineers, and collaborate with ...

Simple Machines is a leading boutique technology firm seeking a Principal Software Engineer to design and deliver complex, scalable systems across backend, APIs, frontend, data pipelines, and cloud infrastructure. You’ll work with internal teams and client stakeholders, owning outcomes end-to-end in a consultative engineering environment. ...

About WeBuild-AI: WeBuild-AI are AI natives delivering 10x value for enterprise organisations. We combine highly skilled experts with our AI Launchpad , industry-aligned language models, and agents to transform enterprise organisations into AI ...

lead this transformation , working at the absolute cutting edge of what's possible with today's most advanced AI technologies. Role Overview: As a Principal AI Engineer at WeBuild-AI, you will design, develop, and deploy innovative AI solutions that transform our clients' businesses. You'll leverage cutting ...

Beamery is seeking a hands-on Principal Platform Engineer to lead reliability and scale across the engineering org. You will design architectures, guide platform initiatives, and mentor engineers while ensuring services are scalable, observable, and cost-efficient. Experience with Kubernetes, IaC (Terraform), GitOps, and production-grade tooling ...

J.P. Morgan is seeking a Principal Software Engineer - Applied AI/ML Director to lead GenAI initiatives within the Accelerator Business. You will drive scalable AI solutions, mentor squads, and ensure governance and security across deployments. You will collaborate in tribes and squads, focusing on products that deliver ...

exciting opportunity to define how a global technology company assures quality in the age of AI. Fourth is seeking an exceptional, strategically minded Principal AI Quality Engineer to drive our AI-driven global QA strategy from the front. Reporting to the Global Head of Service Delivery within Technology … unification and continuous improvement of testing processes and practices across delivery teams, partnering directly with Software Engineering Managers and Product Managers. Act as the principal point of escalation for complex testing and quality challenges across global Engineering teams, marshalling subject matter expertise to resolve them. Champion modern testing technologies ...

Nasstar is seeking a Principal Data Engineer to support complex client engagements in Data & AI transformation. This role involves designing scalable data platforms and engaging with senior stakeholders to deliver technical solutions. The ideal candidate has significant experience with Databricks and consultancy skills, capable of leading engineering teams ...

customers face, and to secure workload communication while practicing the highest security standards and providing the best possible user experience. We are seeking a Principal DevOps Engineer to treat the software release lifecycle as a first-class product. In this role, you will move beyond basic automation ...

Anaplan Inc is looking for a Principal Data Engineer to work across the full stack of Anaplan AI applications. This role includes designing and building retrieval layers for agentic workloads and developing GenAI features that enhance real-time planning workflows. The ideal candidate will have deep knowledge ...