76 to 100 of 213 Principal Engineer Jobs in London

Aventum Group is seeking a Principal Software Engineer – AI Native to lead the design, development, and delivery of enterprise platforms with an AI-first mindset. This hands-on leadership role combines deep technical expertise with AI-driven practices across cloud environments. You will drive architecture, governance ...

Omaze is seeking a Principal Engineer to help drive innovation and shape the future of engineering. This is a highly influential individual contributor role, working with our CTO, engineering and product teams to define long-term technical components and scale our platform. As one of the most senior ...

Pension Insurance Corporation plc. seeks a Principal Software Engineer to provide technical leadership across our technology function, shaping enterprise applications and digital services. This senior hands-on role combines deep technical expertise with stakeholder management, defining architecture and engineering standards while mentoring engineers and driving continuous improvement. ...

ICAP Group Services Ltd seeks a Principal Engineer to own the architecture, design and hands-on delivery of a desktop platform automating trading desk workflows. A high-visibility, player-coach role may evolve to include people management. You will mentor teams, shape the technical direction of a greenfield ...

Principal Network Engineer - ISP Permanent | £80,000pa - £90,000pa + Benefits | London HQ - Hybrid Role - 2 Days per Week at HQ Location is London. Candidates located across the UK Midlands, London and South East UK will be considered, provided they can attend the London HQ two days … week. The Opportunity: Surfing a wave of success in 2026, my client is offering an experienced Principal Network Engineer this exciting opportunity to lead the architecture, design, delivery and optimisation of large-scale carrier-grade networks. You will act as the Senior Technical Authority across Network Infrastructure Projects ...

Principal Network Engineer - ISP Permanent | £80,000pa - £90,000pa + Benefits | London HQ - Hybrid Role - 2 Days per Week at HQ Location is London. Candidates located across the UK Midlands, London and South East UK will be considered, provided they can attend the London HQ two days … week. The Opportunity: Surfing a wave of success in 2026, my client is offering an experienced Principal Network Engineer this exciting opportunity to lead the architecture, design, delivery and optimisation of large-scale carrier-grade networks. You will act as the Senior Technical Authority across Network Infrastructure Projects ...

Senior/Principal DevOps Engineer Application Deadline: 31 May 2026 Department: Platform Engineering Employment Type: Permanent Location: London (Hybrid) Compensation: £70,000 - £100,000/year Description Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. This role also requires applicants ...

seeks a Principal AI Engineer to lead the design, development, and delivery of intelligent software systems that bring together enterprise application architecture, full-stack engineering, data science, and machine learning. In this highly visible, hands‐on leadership role, you will build and scale production‐grade platforms ...

Falcon Smart IT Limited in London is seeking a Principal Software Engineer to lead maturing our Microsoft Power Platform solutions. You will architect, implement, and scale Model-driven and Canvas Apps, Power Automate flows, and Dataverse, while integrating with Azure Functions and Logic Apps. In this hybrid role ...

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 ...

Intact in London is seeking a Principal Software Engineer for the Microsoft Power Platform to lead delivery of enterprise applications. Hybrid role requires four days in the office and strong collaboration with cross-functional teams. You will drive architectural discussions, establish best practices, and mentor engineers while delivering ...

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 - Applied AI ML Director at JPMorganChase within the Accelerator Business, you are the heart of this venture, focused on getting smart ...

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 - Applied AI ML Director at the company within the Accelerator Business, you are the heart of this venture, focused on getting ...

United States Digital Space LLC is seeking an exceptional Principal Software Engineer – AI Native to lead design, development, and delivery of enterprise software platforms. This hands-on leadership role combines deep technical expertise with an AI-first mindset to accelerate delivery across the business. You will architect scalable ...

Limelight Health is looking for a Principal Engineer to join our Boost team in Greater London. In this role, you will champion technical excellence, driving AI adoption and improving engineering processes. You will work alongside teams, coaching engineers to navigate complex challenges. We offer a collaborative work environment ...

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 ...

United States Digital Space LLC is seeking a Senior Principal Engineer (iOS) to define the long-term iOS strategy and lead cross-functional platform initiatives. You will shape architecture across mobile, web and platform teams while advancing engineering practices and reliability. Hybrid working arrangement with opportunities to mentor ...

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 ...

hiring a Principal Platform Engineer to be a senior technical anchor in our Platform/Operations function. This is a 70% hands-on engineering role: you'll design, build, and operate the infrastructure that keeps a global trading platform running, while acting as a technical mentor and design … core networking design and implementation across within Cloud environments — connectivity, routing, DNS, load balancing, firewalls, and private links between cloud and on-prem Engineer for high availability: multi-region and multi-AZ architectures, failover design, capacity planning, and disaster recovery for a platform where downtime has direct market impact ...

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 ...

Principal Data Engineer (14 Month FTC) As part of the Operations Delivery Intelligence (ODI) directorate, you will act as a technical leader for data engineering across the organisation, enabling secure, scalable and high‐performing data platforms that underpin data products and decision‐making across the company. What ...

software engineering, this is an exciting time to join us as we become a digital-first, engineering-led organisation. We are looking for a Principal Software Engineer to provide senior technical leadership across our International Fashion, Home & Beauty domain. You will shape and modernise mission-critical platforms that ...

hiring a Principal Machine Learning Engineer to work on cutting‐edge R&D and translating research into customer‐centric solutions. As innovators in speech technology, our mission is to Understand Every Voice—a vision that has propelled us to be world leaders of Voice AI. Fuelled by innovation … inclusivity, and a passion for making a global impact through world‐leading Speech AI, we’re looking for an experienced Principal Machine Learning Engineer to accelerate our efforts towards exceptional speech solutions. Our Modelling Team trains diverse models, including large self‐supervised ones, supporting Speechmatics towards being ...

drive technical excellence. Ideal candidates should have strong programming skills, preferably in Python, and a solid background in software engineering. Experience in Architect, Principal, or Staff Engineer positions is a must. This opportunity is based in Greater London, England, with a strong focus on technical leadership and innovation. ...