126 to 150 of 174 Principal Architect Jobs in the UK

LSEG is seeking a highly skilled Principal Technical Engineer to lead Kubernetes infrastructure and cloud platforms at scale. You will provide technical leadership, architectural direction, and hands-on engineering across Kubernetes clusters and related services. You will mentor engineers, promote best practices, and drive continuous improvement in cloud-native ...

Productboard is seeking a Principal Product Designer to be the UX architect of our AI-first product. You will steer architecture, patterns, and design language across Spark and related experiences, ensuring coherence and high usability. Collaborate with Product, Engineering, and executives to shape the product direction and deliver ...

problems with both the customer and third‐party partners THE SKILLSET YOU'LL BRING 5+ years in technical, customer‐facing roles such as Solutions Architect, Customer Engineer, or Deployed Engineer Hands‐on experience with full‐stack development, including SQL, JavaScript, APIs, and Python Experience designing scalable cloud architectures ...

Actica Consulting Limited is seeking Senior/Principal Data & Solution Architects for Defence. The role is hybrid in the United Kingdom, with hands-on architecture work across data, information, solution and technology domains. Senior and Principal levels are available, with the latter expected to lead complex work ...

Resources is seeking a Principal Electronics Engineer to drive architecture, design and delivery of complex electronic systems, leading multidisciplinary engineering teams. You will take products from concept to production, define hardware architectures and roadmaps, conduct design reviews, and mentor engineers across software, mechanical and manufacturing disciplines. Strong problem-solving ...

seeking a Principal Technical Consultant to deliver expert technical solutions, guiding clients to maximise value from our products and services. You will provide technical leadership as a subject matter expert and foster strong vendor relationships within the relevant technologies. The role works closely with customers, project managers, and cross ...

AlphaSense is seeking a Principal Software Engineer to define and build API-first product platforms that power multiple product surfaces, integrations, and AI-driven workflows. You’ll operate at the intersection of hands-on engineering and technical leadership, shaping platform design, evolution, and adoption across the company. You will ...

supporting over 7,000 customers, including 80% of the world’s top 50 banks, in more than 110 countries.**Role Overview** The Microsoft 365 Architect at Finastra is a senior, hands-on engineering and operations role responsible for the design and day-to-day management of the global Microsoft ...

QinetiQ Limited is seeking a Principal AWS Cloud Engineer to lead the technical direction of cloud infrastructure and platform engineering across UK sites. You will architect resilient, scalable, and secure AWS environments and provide senior technical leadership to engineers, driving continuous improvement and on-call incident response. Based ...

Anaplan Inc is looking for a Principal Data Scientist in Greater London to innovate across our AI applications. This role involves designing and implementing advanced Machine Learning and Generative AI solutions that elevate our industry-leading platform. You will collaborate with cross-functional teams to ensure the deployment ...

Columbus UK is seeking a Technical Architect to lead the design and delivery of enterprise-scale solutions on Microsoft Azure and Dynamics 365 FSCM. The role combines strategic architecture with hands-on technical leadership across delivery teams and client engagements. You will work in a home-based role with ...

SaaS, developing digital learning infrastructure used by over 5 million students and educators across 40 countries. With platform usage surging globally, they require a Principal DevOps/Site Reliability Architect to lead the reliability, automation, and security scaling of their platform infrastructure. Position Overview You will … closely with core development teams, you will ensure high availability (99.99%), zero-downtime deployment pipelines, and efficient cloud spend management (FinOps). Key Responsibilities Architect, implement, and maintain multi-region cloud infrastructure on AWS using Infrastructure as Code (Terraform). Manage Kubernetes cluster orchestration (EKS) for containerized application microservices. ...

JPMorgan Chase & Co. is seeking a Principal Software Engineer to lead engineering across agile teams, delivering trusted market-leading technology products in a secure, scalable manner. You will drive innovation, set standards for AI-enabled development, and influence senior stakeholders across the firm. You will architect durable software ...

Elastic in the United Kingdom is seeking a Principal Software Engineer (Java) to lead the Elasticsearch Security team's architecture and feature design. You will own major security components, drive cryptographic solutions, and ensure robust data isolation across a distributed data store. You will mentor engineers, collaborate with product ...

Codurance is seeking a Client Solutions Principal to shape and deliver modernisation work across multiple client engagements in the UK. The role is senior, hands-on with no line management, involving pre-sales shaping and delivery of projects, with travel to client sites as engagements require. You will design ...

AVEVA is seeking a hands-on Principal Technologist to lead the Core AI Services Development in Cambridge. You will design, develop, and scale AI-enabled platform services and public APIs, ensuring security, reliability, and cloud-native quality within an agile Scrum environment. The role emphasizes mentoring, architecture reviews ...

AtkinsRéalis is seeking an experienced C4ISR Enterprise Architect to bridge defence strategy and tactical-edge implementation. You will lead architectural vision across edge, cloud, and space systems, ensuring open architectures and interoperability while aligning with MoD frameworks and security requirements. The role emphasizes governance, modelling using ArchiMate/ ...

Renesas Electronics Corp. seeks an experienced Principal EDA/CAD Engineer to provide technical leadership for global engineering compute and design-data-management environments. The role blends hands-on CAD engineering with responsibility for Perforce/IPLM-based data management, automation, documentation and training across distributed teams. The successful ...

Diesta Limited in London seeks a Principal Backend Engineer to lead the technical evolution of our backend platform. This deeply technical role demands architectural judgment, setting a high engineering bar and helping the team scale a complex, data-intensive system with confidence. You will own the technical direction across ...

Hargreaves Lansdown PLC in Bristol is seeking a Principal Software Engineer to drive the technology transformation and set high-level architectures. You will influence engineering teams, mentor developers, and shape data-driven, scalable solutions across the organisation. The role requires strong leadership in modern patterns, cloud-native design ...

Columbus UK is seeking a Technical Architect to lead the design and delivery of enterprise-scale solutions across Microsoft Azure and Dynamics 365 F&O. The role emphasizes D365 FSCM and Azure integration architecture with breadth across the Microsoft stack. This home-based position involves travel to client sites ...

leading defense technology firm in Malvern is seeking a Principal Senior Technical Architect for IT Platforms. The role involves shaping complex IT systems designed for defense, ensuring compliance with military standards, and collaborating with various stakeholders. Candidates should have extensive experience in secure architecture, knowledge of cloud technologies ...

Amazon Development Centre (London) Limited is seeking a Sr. Principal Engineer to provide technical leadership and shape Amazon’s architecture across high-impact systems in London. You will establish standards, drive scalable designs, and deliver hands-on technical work and architectural artifacts. The role emphasizes translating business needs into ...

Elastic is seeking a Principal Software Developer to lead the Elasticsearch Security team, architecting core features such as authentication, authorization, and tenant isolation. You will guide the design, planning, and execution of security components inside the Elasticsearch core engine and collaborate with engineers and product leaders to ensure high ...

AlphaSense is seeking a Principal Engineer to lead the Core Cloud Platform, owning the cloud, Kubernetes and storage surface. You’ll shape the architectural roadmap, manage Helm charts, automate cell provisioning, and drive cross‐cell standards across dozens of teams. You’ll work with senior engineers to improve reliability ...