51 to 75 of 246 Principal Engineer Jobs in London

+ Bonus & Benefits | Permanent | Hybrid – Central London We’re looking for a Lead/Principal Backend Engineer for a newly created role combining hands‐on engineering, architecture and technical leadership. You’ll join a business with a complex technology landscape and a significant programme underway to improve … business stakeholders to turn complex requirements into effective solutions. What we’re looking for You’ll already be operating at Senior, Lead or Principal Engineer level and will have deep hands‐on expertise in C# .NET or Python (ideally both!). We’re particularly interested in engineers ...

raise standards and guide decisions across internally developed and third-party platforms that matter most to our business, customers, partners, baristas and shareholders.As a Principal Engineer, you will be a strategic technical leader, trusted advisor and hands-on technologist. You will partner across product, delivery, security, infrastructure … successful candidate will demonstrate:• Creating an environment where learning, experimentation and innovation are encouraged.Skills & QualificationsEssential Experience• Significant experience in software engineering, technical leadership or principal engineering roles within complex enterprise environments.• Proven experience influencing technical strategy across multiple teams, products or technology domains.• Demonstrable experience leading technology transformation, platform ...

Principal Software Engineer Salary to £80k, poss higher for their Unicorn candidate Role can be based remotely, as long as you can occasionally travel to London for client work (travel expenses paid) - approx. once a month. NB: Please only apply if you are a UK National, have resided … Proof of ID will be required prior to interview. This role is with a growing is a technology consultancy. This is a hands-on principal engineering role: architecture ownership across multiple services, technical leadership across teams, and direct contribution to engineering standards and hiring. Their successful candidate will ...

Principal Applied AI Engineer Location : London , Birmingham, Bristol, Eastleigh, Glasgow, Leatherhead, Leeds, Liverpool, Manchester, Norwich, Perth, Sheffield, Worthing or York London: Salary from £124K + bonus + excellent benefits National: Salary from £92K + bonus + excellent benefits Build AI that matters. AI is already making a difference … across Aviva, helping colleagues and customers through areas such as claims summarisation, medical underwriting, customer service and fraud detection. As a Principal Applied AI Engineer, you'll help design and deliver the next generation of AI solutions while influencing the standards, governance and engineering capabilities that support ...

Principal Embedded Software Engineer Location: Bristol Working: Hybrid Salary: Up to £75,000 DOE We are working with an established technology business developing safety-critical embedded software looking for a Principal Embedded Software Engineer to join their Bristol-based engineering team. This is a hands ...

Elsevier is seeking a Principal Software Engineer/Principal AI Engineer to lead embedded Innovation Squads, guiding AI architecture and production delivery. You will scale prototypes into reusable patterns, mentor engineers and align with security and data governance standards. Experience in enterprise AI and cloud ecosystems ...

here. Everything that makes you unique is welcome; join us and let’s build what’s next - together! Role Summary We're seeking a Principal Engineer, AI, who can work across the full stack of Anaplan AI applications, from model integration and prompt engineering to building intuitive user ...

Metro Bank plc seeks a Principal Engineer to lead a product squad, co-owning delivery with a Product Manager. You will set engineering direction for payments, onboarding, lending, and core banking, shaping architecture and cloud-native platforms for safe, frequent releases. You will collaborate across squads, drive best ...

begin! Principal Software Engineer-AI (14865) 12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business impact Experience leading multiple teams or groups of teams, including managing engineering managers, technical leads, and staff-level engineers … team accelerates the development of next-generation analytical capabilities, enables smarter client experiences, and advances Moody's leadership in applied artificial intelligence. As Principal Engineer, you will define the technical vision, guide strategic investments, build high-performing teams, and help transform applied AI into scalable, production-ready capabilities ...

Ticketmaster is seeking a Principal Engineer I for the Prepurchase Platform in London. This hands-on role focuses on distributed systems, event-driven architectures, and platform modernization to sustain high-demand on-sales. You will write production code daily, influence technical direction, and collaborate across multiple teams within ...

CreateFuture in the UK seeks a Principal Engineer to shape systems, mentor engineers, and drive architectural decisions across the full stack. You will balance delivery with design, working with AI-enabled tooling, Claude Code and agents to achieve robust outcomes for clients. The role requires deep engineering judgment ...

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 ...

Harvey Nash Group in London is seeking a Principal Engineer to build new digital fintech products from the ground up, with hands-on leadership to guide an engineering squad, shape architecture and mentors engineers while staying actively involved in coding. The role focuses on production ownership, modern engineering ...

Principal Software Engineer Salary to £80k, poss higher for their Unicorn candidate Role can be based remotely, as long as you can occasionally travel to London for client work (travel expenses paid) - approx. once a month. NB: Please only apply if you are a UK National & UK passport … Proof of ID will be required prior to interview. This role is with a growing is a technology consultancy. This is a hands-on principal engineering role: architecture ownership across multiple services, technical leadership across teams, and direct contribution to engineering standards and hiring. Their successful candidate will ...

sused at one of the most stressful moments in people's lives, and around 60 engineers work across it every day. We'rehiring a Principal Engineer into this domain.This is a senior, cross-domain role for someone who wants to drive impact across multiple teams,deepen our architectural ...

Durlston Partners in London is seeking a Principal Engineer to lead and work hands-on across front-office and systems. This hybrid role combines leadership with practical engineering, shaping the bank of the future in a fast-growing asset management environment. The position offers equity from ...

Harvey Nash Group is partnering with a confidential challenger bank in London to hire for Principal Engineer roles. You will lead a squad of 8‐10 engineers, owning end-to-end delivery of greenfield AI-native banking features and related architectures. You should bring strong leadership, expertise ...

Burns Sheehan Ltd is seeking a Principal Engineer to own the technical strategy and architecture for a data-driven fintech platform, with hybrid London or UK-wide remote work. You will influence product direction and lead high-impact initiatives. You will mentor engineers, shape domain models, and partner ...

Principal Java Engineer - Backend Platform Salary: £76,340 - £100,340 Per Annum Contract: Full-Time, Permanent Location: Hybrid - minimum 2 days per week in office, Basingstoke/London/Bristol About the Role The Principal Software Engineer (Full-Stack, Backend-leaning) is a senior engineer ...

seeking out the very best talent to join the SYSTRA signature team and be part of leading the way in infrastructure design. Context The Principal Engineer will be accountable for the design delivery of allocated engineering work packages within their discipline (see accompanying addendum), ensuring the delivery … relevant design software Relevant degree Membership of a relevant professional body/engineering institute i.e. ICE, IET, IMechE Professionally qualified Chartered or Incorporated Engineer Ability to: Act as an authority in Systems Engineering, which may include leadership of specialists in: Requirements Engineering, Integrated Systems Design and System Architecting. System ...

Post Office Ltd. is seeking a Workplace Platforms Principal Engineer to lead the technical direction, design assurance and resilience of our workplace technology estate in a large enterprise environment. You will partner with Identity & Workplace Technology, Cyber Security and Architecture to ensure secure, reliable services, guiding platform modernisation ...

Starbucks Coffee Company in London is seeking a Principal Engineer to shape the technical direction for EMEA and align with global technology strategy. You will partner with product, security, infrastructure and delivery teams to drive scalable, secure and resilient engineering outcomes across international markets. You will ...

team operates at the intersection of advanced cloud infrastructure and applied deep tech—exactly where conventional architectures break down. About The Role As the Principal Engineer for Hyperscale Simulation Software, you will have founding‐team‐level influence and hold ultimate responsibility for the commercial success of CoreWeave ...

area encompasses significant enterprise platforms like Oracle Fusion and Workday, as well as specialized platforms, integrations, data flows, and in-house developed tools. As Principal Engineer – Corporate Technology, you will lead senior engineering efforts across this area. You will define the engineering strategy for the domain and collaborate ...

Principal Partner Success Implementation Engineer United Kingdom - London At NiCE, we don’t limit our challenges. We challenge our limits. Always. We’re ambitious. We’re game changers. And we play to win. We set the highest standards and execute beyond them. And if you’re like … offer you the ultimate career opportunity that will light a fire within you. So, what’s the role all about? The Principal Partner Success Implementation Engineer is a principal-level individual contributor and technical authority who shapes partner implementation strategy, technical governance, and scalable adoption across ...