26 to 50 of 213 Principal Engineer Jobs in London

Principal Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer … with DevOps, CI/CD pipelines You're collaborative, enjoy problem solving and interacting with clients What's in it for you: As a Principal Software Engineer/Developer you will earn a highly competitive package: Salary to £120k Pension, Life Assurance, Income Protection Private medical care ...

Principal Civil/Infrastructure Engineer (Rail) Ready to lead major rail infrastructure projects and shape the future of a growing engineering team? If you're a Chartered Civil or Structural Engineer with extensive rail experience and you're looking for a role where you'll influence projects … opportunity You'll be joining a growing multidisciplinary engineering consultancy with an excellent reputation for delivering complex infrastructure projects across the UK. As a Principal Engineer, you'll play a leading role within an expanding Rail team while also collaborating with specialists across maritime, asset management and wider ...

Principal Software Engineer - Simple Machines Hybrid · Full-time · London, UK About Simple Machines Simple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, and software engineering … better understand their organisations, customers, and citizens. Our teams design and build large-scale data platforms, intelligent systems, and high-impact software products. We engineer data to lifeTM. The Role As a Principal Software Engineer , you’ll play a key role in delivering complex, scalable systems ...

Principal Platform Engineer Manchester Permanent, full time Hybrid (min 3 days a week on site) Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing and eligible to hold SC and eDV clearance. About … teams work synchronously with our customers to solve some of the toughest digital challenges faced in the world today. Role & Responsibilities Work as a Principal Platform Engineer, deploying applications and software to cloud or on-prem environments for our many business areas. Due to the interesting work ...

Elsevier in London is seeking a Principal AI Engineer/Principal Software Engineer to lead an embedded Innovation Squad, driving from discovery to production and transforming AI prototypes into reusable patterns and starter kits. You will shape agentic AI patterns (orchestration, memory, retrieval), mentor engineers ...

Principal Systems Engineer (Group Lead) Denham Lead the teams. Shape the systems. Deliver engineering that saves lives . Step into a leadership role where your technical expertise and people leadership will influence the future of life-saving aerospace technology. As a Principal Systems Engineer (Group Lead ...

Principal Systems Engineer (Group Lead) Denham Lead the teams. Shape the systems. Deliver engineering that saves lives . Step into a leadership role where your technical expertise and people leadership will influence the future of life-saving aerospace technology. As a Principal Systems Engineer (Group Lead ...

## Principal Software Engineer - C#Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5616The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through … consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.**Role Overview**ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high ...

Role Summary We are seeking an exceptional Principal Software Engineer – AI Native to lead the design, development, and delivery of business‐critical software platforms across Aventum Group. This is a hands‐on leadership role for a highly experienced software engineer who combines deep technical expertise with … architecting scalable solutions, driving engineering excellence, and leveraging AI‐native development practices to accelerate software delivery and innovation across the business. As a Principal Engineer, you will act as a technical authority across multiple initiatives, influencing architecture, engineering standards, AI adoption, cloud strategy, and software delivery practices whilst ...

# Principal Software Engineer - Search Scaling - Elasticsearchat Elastic • London, United KingdomBack to jobs6d agoE## Principal Software Engineer - Search Scaling - ElasticsearchElastic00EngineeringFull-timeLondon, United Kingdom✓ Visa RelocationApply Job### Job DescriptionElastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their … cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.What is The Role: We're looking for a Principal Software Engineer to join the Elasticsearch - Search Scaling team. This globally-distributed team of experienced engineers focuses on delivering a robust and feature ...

Principal Engineer, Private Markets Technology Trusted by institutions, governments, foundations and individuals worldwide, Macquarie Asset Management manages more than A$700 billion in assets under management, providing investment solutions across real assets, real estate, credit, equities and multi-asset strategies. As one of the world's largest ...

Principal Platform Engineer - UK Security Clearance required. Location: London, UK (Hybrid – typically ~1 day per week in office/on-site) Contract: Permanent, Full-time Package: £90,000 – £120,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Us At Appvia, we help organisations … work across public and private sector customers, supporting large‐scale transformation programmes and long‐term platform evolution. About the Role As an AWS Principal Platform Engineer, you will play a senior technical leadership role across Appvia’s platform engineering engagements. You will help customers design, build, and evolve ...

Principal Java Engineer Salary to £60k-£90k + company options scheme Hybrid working (1 day per week in their London Vauxhall offices) NB: Please only apply if you have resided in the UK for the past 5 years and are prepared to go through UK SC Security Clearance … growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for an experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients ...

Principal Engineer London, United Kingdom Posted 6 months ago Tech stack mentor Python Terraform Amazon AWS Job Description Architecture and engineering best practices. A split between both hands‐on and leadership, working with the likes of AWS, Terraform, and Python to name a few! Responsibilities Acting ...

Principal Cloud Engineer (AWS) - (Multiple) 📍 Central London (Hybrid – 3 days onsite) 💰 £95,000 – £130,000 + bonus + great benefits Defence/SC Clearance Requirements SC clearance is required for our customer facing teams. You do not need active SC clearance as we will undertake checks upon … platform. From landing zones to cloud operations and risk mitigation, we're at the forefront of cloud transformation — and we're looking for a Principal Cloud Engineer (AWS) to join our team. What you’ll do Design & build enterprise-scale AWS landing zones Automate complex AWS platforms with ...

PowerToFly is seeking a Principal Engineer for HighQ, the enterprise collaboration platform for the legal sector. This role focuses on technical leadership and the engineering direction across significant projects. Ideal candidates have a strong background in Java and Python, and experience with complex software systems, AI integration ...

Principal Data Engineer Lead the design and delivery of a modern cloud-based data platform, driving engineering standards, architecture, and innovation across a growing data function. The Opportunity This is a senior technical leadership role responsible for shaping data engineering strategy, architecture, and best practices across multiple product … management skills. Passionate about engineering quality, innovation, and mentoring others. Essential Skills & Experience 10+ years' experience in Data Engineering. Experience in a Lead or Principal Data Engineering role. Strong cloud data platform expertise, including Google Cloud Platform (GCP). Hands-on experience with BigQuery, Dataflow, Datastream, Data Fusion, Cloud ...

tech company in London seeks a Principal Engineer to integrate hands-on expertise with leadership skills in a collaborative environment. This role involves mentoring team members while utilizing AWS, Terraform, and Python. The successful candidate will demonstrate a passion for engineering best practices and a commitment to helping ...

Marks & Spencer Plc is seeking a Principal Engineer to shape our technical direction in the Personalisation product group. This role involves designing scalable systems for personalisation, search, and AI-powered features while driving engineering standards and collaborating closely with cross-functional teams. The ideal candidate will have ...

loveholidays is seeking a Principal Engineer to lead the Boost team in defining functional KPIs and driving technical excellence. You will embed within other teams to solve complex problems while coaching engineers and championing AI adoption across engineering processes. The ideal candidate will have strong front-end skills ...

ICAP is seeking a Principal Engineer to own architecture, design, and hands-on delivery for a desktop trading platform. The role combines technical leadership with hands-on coding to streamline trading desk workflows and guide a greenfield project through production operations. You will apply deep technical expertise, partner ...

United States Digital Space LLC in London is seeking a Principal Engineer, Product Software to guide architecture and delivery of agent platforms and orchestration capabilities. You will help establish standards, mentor engineers, and influence technical direction across teams. This senior role focuses on building scalable, secure systems, with ...

AKQA Media in London is seeking a Principal Engineer (Tech Lead) who will be heavily involved in hands-on engineering and project management. In this role, you will guide client projects, ensuring the effective delivery of Generative AI solutions, while mentoring other engineers. The position requires a senior ...

Fintech company in Cardiff is seeking a Principal Engineer to lead technical direction and mentor engineers. This hybrid role involves collaborating with product teams, engaging with stakeholders, and designing robust APIs and platform functionalities. Candidates should have significant experience in large-scale systems, coding languages such as Java ...

United States Digital Space LLC seeks a Principal Software Engineer/Principal AI Engineer to lead an embedded Innovation Squad from discovery to production. You will harden AI prototypes, establish agentic AI patterns, and guide architecture, security and data residency decisions within enterprise environments. You will ...