1 to 25 of 393 Principal Engineer Jobs in the UK

Principal Network Engineer | Cisco CCIE/CCNP > Manchester > £75,000 to £95,000 + 15% Bonus > 10% Pension + Company Car or £5,500 Car Allowance > Private Family Healthcare + Share Equity + Life Assurance > Hybrid Working | 3 On Site | 2 Remote ** We're looking for principal … Nutshell This role sits at the intersection of technical leadership, customer engagement and network transformation. Whilst retaining deep technical credibility, you'll operate at principal level, influencing architecture decisions, shaping technical roadmaps, driving service improvement initiatives and acting as the senior technical escalation point for both customer and external ...

Principal Software Engineer – Circa £100K On behalf of our thriving global client, we are recruiting for an experienced Principal Engineer. As Principal Engineer is responsible for developing and leading a customer-driven, product-oriented team. Your central responsibility is to be an equal partner with … define and incrementally improve a clearly defined set of business objectives and key results, and to lead the team in achieving those outcomes. The Principal Engineer will have the following: Expert technical skills, depth in at least one area, and an ability to operate up and down ...

Principal Engineer – HighQ Thomson Reuters is hiring a Principal Engineer for HighQ, our enterprise collaboration platform for the legal industry used by leading law firms worldwide to deliver digital services to their clients. About the role This is a senior individual contributor role. The Principal Engineer sets technical direction across HighQ's most significant engineering work, owns outcomes from design through production, and is directly accountable for raising the engineering bar across the organisation. The role partners closely with directors, architects, and Staff engineers, and operates as a senior technical voice in decisions ...

Role Description We are seeking a Principal Engineer to act as the most senior hands‐on technical expert for our leading Risk Screening platform. This role partners closely with architecture, service, product, and engineering teams to ensure that agreed designs are implemented to the highest technical and operational … system’s non‐functional characteristics, including end‐to‐end latency, cloud scalability, resilience, and the effective handling of large and growing data sets. The Principal Engineer ensures these qualities are deliberately designed for, correctly implemented, and continuously validated in production. Rather than owning architecture in isolation, the Principal ...

Hours:Closing Date:Sat, 13 Jun 2026Principal Engineer – Member Experience Platform (App, Portal & Identity)The Member Experience Platform (MEP) powers Skipton’s most visible digital channels, our Mobile App, Member Portal, and Customer Identity capabilities, used by over a million members to manage their financial lives. As Principal Engineer, you set the engineering tenets, patterns and paved roads that these channels (and the teams who build them) depend on every day. Your remit spans company‐level technical direction, delivery physics (Value-Flow-Quality), and bar‐raising across squads: you shorten lead times, increase deployment frequency, hold ...

Principal AI Engineer Generative AI, LLMs, Python, CI/CD, SaaS/PaaS, Prompt Engineering, Agentic Workflows, Platform Systems, Remote (UK) Up to £200,000 + Equity + Benefits This is a fantastic Principal AI Engineer opportunity to work with a leading technology services organisation … build and scale intelligent AI that delivers adaptive and impactful personalised experiences. The Principal AI Engineer is a remote working role, based in the UK. As a Principal AI Engineer, you will own and drive the development of the core AI system, building and scaling real ...

Principal Engineer - Digital Experience UK Financial Services Yorkshire, Hybrid Working, 35 hours a week (Perm) This is a brand-new Principal Engineer role at the heart of that work, and it's a genuine seat at the senior technical table. Our client's public websites … Design, DevSecOps, Environments, Release, QE, Risk and Audit, balancing speed with compliance-as-code. > A note on titles: you might currently be a Principal Engineer, Engineering Manager, Tech Lead or Senior Engineer. What matters is that your actual scope and impact match the role. Where you'll work ...

Principal Engineer This is a hybrid position within the UK. We currently don’t provide visa sponsorship. We are a B2B Fintech focusing on disrupting the small business lending market. SMEs make up 99% of all UK businesses yet are traditionally underserved by big banks and financial institutions. … used by over 80 leading high street and challenger banks and specialist lenders. Role Description We're looking for an ambitious, product-focused Principal Engineer, someone to act as trusted technical authority within the organisation, helping guide technical direction and act as a hands‐on mentor and coach ...

Principal Engineer This is a hybrid position within the UK. We currently don’t provide visa sponsorship. We are a B2B Fintech focusing on disrupting the small business lending market. SMEs make up 99% of all UK businesses yet are traditionally underserved by big banks and financial institutions. … used by over 80 leading high street and challenger banks and specialist lenders. Role Description We're looking for an ambitious, product-focused Principal Engineer, someone to act as trusted technical authority within the organisation, helping guide technical direction and act as a hands‐on mentor and coach ...

Principal Engineer l Architecture l Design l Coaching l Typescript l AWS l Kafka l GraphQL l Lambda l £550-£625 per day l Outside IR35 l twice a week in London l 3 months We're hiring a Principal Engineer to step into a critical … customer migration. You'll operate as a technical leader across multiple squads, shaping architecture, mentoring leads, and unblocking delivery. Essential Skills & Experience Proven Principal-level experience (80% Architecture/design - 20% Coding) Strong in AWS, TypeScript, event-driven systems Experience with high-scale distributed systems Someone collaborative, hands ...

Title - Principal Engineer Location - London Salary - £78,969 - £98,711 About this role The Principal Engineer for Platform Integration & Architecture is accountable for improving how CDP’s services and systems integrate. You will document and make legible the current state, align engineering leaders on shared integration … with tech leads and squads, staying hands‐on where needed, and supporting delivery through design input, reviews, and decision‐making. This is the first Principal Engineer role; we envisage it becoming its own team of senior engineers at the same grade as Tech Leads but with stand‐alone ...

Principal Engineer - AI Adoption page is loaded## Principal Engineer - AI Adoptionlocations: UK - Hooktime type: Full timeposted on: Posted Todayjob requisition id: R0025615**At Elanco (NYSE: ELAN) – it all starts with animals!****As a global leader in animal health, we are dedicated to innovation and delivering products … skills and experiences that will propel your career to new heights.****Making animals’ lives better makes life better – join our team today!**As a Principal Engineer – AI Adoption, you will be part of our Enterprise AI engineering team to deliver horizontal AI impact across Elanco. In this role ...

Principal Software Engineer - £100K Adria Solutions has an exciting opportunity for a skilled Principal Software Engineer to join our growing client. As Principal Software Engineer you will have a proven track record of delivering high-quality solutions in a fast-paced, high impacting, Agile … ethic, with excellent software engineering practices. You will support the existing systems and help develop new ones as our client's product grows. The Principal Software Engineer will have the following: Confidence in delivering software solutions in C#, Go, Java or Python, with experience working with and refactoring ...

Salesforce Principal Engineer - 6-Month Contract - Inside IR35 - Hybrid (Windsor, 1 Day Onsite) We are looking for an experienced Salesforce Principal Engineer to provide technical leadership and architectural direction across a large-scale Salesforce transformation programme. In this role, you will define engineering standards, drive platform … skills Contract Details Duration: 6 months Day Rate: Negotiable Determination: Inside IR35 Location: Hybrid - Windsor (1 day onsite per week) Start Date: ASAP Salesforce Principal Engineer - 6-Month Contract - Inside IR35 - Hybrid (Windsor, 1 Day Onsite ...

Hours: Closing Date: Sat, 13 Jun 2026 Principal Engineer – Member Experience Platform (App, Portal & Identity) The Member Experience Platform (MEP) powers Skipton’s most visible digital channels, our Mobile App, Member Portal, and Customer Identity capabilities, used by over a million members to manage their financial lives. … Principal Engineer, you set the engineering tenets, patterns and paved roads that these channels (and the teams who build them) depend on every day. Your remit spans company‐level technical direction, delivery physics (Value‐Flow‐Quality), and bar‐raising across squads: you shorten lead times, increase deployment frequency ...

.Principal/Consulting Engineer page is loaded## Principal/Consulting Engineerlocations: Oxford: Londontime type: Full timeposted on: Posted Todayjob requisition id: R112322**Principal Engineer****About the role:**As a Principal Engineer, you will help shape the technical direction of platforms used by the global … learning• Support teams in using AI-assisted development and production AI patterns where they add real value**Requirements:**• Experience working at senior, staff, or principal engineer level across multiple teams or domains• A track record of influencing technical decisions and supporting change at scale• Experience designing and evolving ...

Principal Software Engineer Location: Portsmouth with a hybrid working ( 3 days in the office) Salary: From £60K - £80K, depending on experience, many benefits including pension, 25 days holiday and life insurance. Our client is a growing software and data science consultancy, The team is dedicated to delivering high … work across multiple sectors, including defence, energy, transport, and health, and contribute to the development of cutting-edge solutions. Our client is looking for Principal C++ Software Engineers with a range of levels of experience including designing, delivering software applications, and leading teams. As a Principal Software Engineer ...

skills and experiences that will propel your career to new heights. Making animals’ lives better makes life better – join our team today! Your role: Principal Engineer - Identity Access Management Elanco is seeking a highly skilled and experienced IAM Principal Engineer to provide technical leadership and architectural … translating architectural blueprints into actionable designs and guiding engineering teams through complex implementations. The role does not include direct people management; however, the Principal Engineer will be expected to provide technical leadership, mentoring and support for other Workplace engineers in the team. Responsibilities Lead ...

Principal Engineer Location : Waterloo, London, England, UK | Hybrid (1 day per week in office) Who We Are At 8th Light, we bring life to the best ideas. Founded in 2006 and headquartered in Chicago, we are a technology solutions provider that partners with organizations to solve meaningful challenges … benchmark our salaries using Geographic Structures to establish competitive pay ranges within the regions where 8th Lights live. Our pay ranges for our Principal Engineer position within London is: £92-818-£116-122 GBP Reach out to recruiting@8thlight.com for more relevant information pertaining to your local market. ...

Principal Engineer - Managed IT Services Bedfordshire (Hybrid Working) Up to £62,000 + Benefits Permanent SF Technology is recruiting for a Principal Engineer to join a growing Managed Services organisation. This is a senior technical role, acting as the highest point of escalation while providing technical … Hybrid working Career progression opportunities Exposure to modern cloud and security technologies Supportive and collaborative culture If you're an experienced senior engineer looking to take on a technical leadership role within a growing organisation, we'd love to hear from you. Apply now or contact SF Technology ...

Principal Engineer Location: Manchester Salary : £66,582 to £77,368 a year This role qualifies for a 12,5% per annum R&R (Band 8b) Vacancy Type: Permanent (Full-time, Flexible working, Compressed hours) This role qualifies for a 12.5% per annum recruitment and retention payment, in addition … Band 8B base salary. The National Institute for Health and Care Excellence (NICE) is seeking a Principal Engineer to provide senior leadership across the engineering, deployment, and production operation of digital applications and services. This is a strategic role focused on ensuring services are technically robust and designed ...

Principal Engineer - Managed IT Services Bedfordshire (Hybrid Working) Up to £62,000 + Benefits Permanent SF Technology is recruiting for a Principal Engineer to join a growing Managed Services organisation. This is a senior technical role, acting as the highest point of escalation while providing technical ...

Principal Engineer - Managed IT Services Bedfordshire (Hybrid Working) Up to £62,000 + Benefits Permanent SF Technology is recruiting for a Principal Engineer to join a growing Managed Services organisation. This is a senior technical role, acting as the highest point of escalation while providing technical ...

Principal Engineer | AI Systems & Distributed Platforms Remote (UK) | £90,000 to £120,000 | Early-Stage AI Start-Up We're partnered with an early-stage AI business building large-scale operational AI systems designed to automate highly complex enterprise workflows. This is not another 'AI wrapper' business. … entering a major scaling phase as both platform demand and customer onboarding accelerate. As a result, they're looking to hire a Principal Engineer to help shape the next evolution of the platform from both a systems and architecture perspective. The Opportunity This role sits directly alongside ...

Principal Engineer - Managed IT Services Find out more about this role by reading the information below, then apply to be considered. Bedfordshire (Hybrid Working) Up to £62,000 + Benefits Permanent SF Technology is recruiting for a Principal Engineer to join a growing Managed Services organisation. ...