1 to 25 of 29 Permanent Principal Engineer Jobs in the City of London

PRINCIPAL PLATFROM ENGINEER- SC CLEARED PRINCIPAL PLATFORM ENGINEER Permanent opportunity for a Principal Platform Engineer who is eligible for SC Clearance Salary up to £110,000 DOE Hybrid opportunity with London based offices To apply, please call Laura Jackson on 02038540120, or email laura.jackson … searchability.com with an up-to-date CV. WHO ARE WE? We're looking for an experienced Principal Platform Engineer to join one of the UK's leading technology consultancies, delivering large-scale cloud platforms for critical Public Sector programmes. You'll be the technical authority responsible for helping ...

Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading … that's transforming how small businesses access finance. Backed by a strong track record and an ambitious mission, they're now looking for a Principal Engineer to lead the next phase of innovation within one of their most critical product areas. This is a strategic leadership role offering ...

Role: Principal Platform Engineer Location: London, United Kingdom (Hybrid - Minimum 1 Day Per Week in Office) Employment Type: Full-time Salary: £97,480 - £121,850 + 20% Flexible Benefits Package Are you an experienced Principal Engineer with a passion for building and operating large-scale distributed … simply consumed managed services-and is looking to take ownership of technical direction while remaining hands-on with engineering delivery. If you're a Principal Engineer who thrives on solving complex platform and infrastructure challenges, we'd love to hear from you. Reasonable Adjustments: Respect and equality ...

Summary: JOB DESCRIPTION –Principal Engineer I, Prepurchase Platform Location:London, UK Division:TicketmasterUK Limited LineManager:VP Engineering, Accounts, Identity and Pre-Purchase Contract Terms:Full-time permanent, 40h/per week THE TEAM The Prepurchase Platform group owns the backend services that power every fan's path … calls during peakon-sales. Our engineers build systems that must be fast, resilient, and available when it matters most. THE JOB As a Principal Engineer on the Prepurchase Platform team, you will write code, build systems, and solve hard problems hands-on. This is a systems thinking role ...

Principal Backend Engineer | London | Hybrid We’re working with an exciting high-growth FinTech looking for a Principal Backend Engineer to lead the technical evolution of their backend platform. This is a deeply technical, hands-on role for someone who enjoys making difficult architectural decisions, setting … across scalability, security and maintainability Use AI-assisted and agentic engineering tools to improve development, testing and technical workflows What we're looking for Principal/Staff-level backend engineering experience Deep experience with NestJS, Node.js and TypeScript Strong AWS and Docker experience Experience designing high-scale backend ...

place where everyone can grow, develop and fulfil your potential with meaningful careers. ROLE SUMMARY: We are seeking a highly skilled and motivated Principal Technical Engineer with deep experience in Kubernetes and the CNCF landscape to join our growing team. In this role you will … hands-on role with significant opportunities to impact our technical strategy and influence the direction of our platform. We are looking for a Principal Engineer with experience of building cloud platforms and leading software engineering teams that support critical applications at scale in cloud. WHAT ...

Principal AI Engineer London (Hybrid) (3 days in 10 onsite) | Permanent Salary – up £110,000 + benefits About the opportunity Join the AI leadership team of a global law firm with offices across dozens of countries and a technology function of several hundred specialists supporting the business worldwide. … solutions across the organisation, working directly with senior stakeholders to turn AI capability into measurable business outcomes. The role As Principal AI Engineer, you will: Own the technical strategy for AI solutions across the firm, ensuring scalable architecture and alignment with best practice Lead the full lifecycle ...

Role: Principal Platform Engineer Location: London, United Kingdom (Hybrid - Minimum 1 Day Per Week in Office) Employment Type: Full-time Salary: £97,480 - £121,850 + 20% Flexible Benefits Package Are you an experienced Principal Engineer with a passion for building and operating large-scale distributed ...

Principal Product Security Engineer Department: CISO Employment Type: Permanent - Full Time Location: UK - London Reporting To: CISO Description At CFC, technology is at the heart of everything we do. We are looking for a Principal Product Security Engineer to lead the strategy and hands-on delivery … security across cloud platforms, code and CI/CD pipelines. This is a lead individual contributor role for an engineer who solves unique, high-impact problems, advises across disciplines and helps shape functional strategy. You will lead the build and operation of the product-security toolchain, create secure ...

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 ...

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 ...

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 ...

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 ...

Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach role that may evolve to include formal people management. Role Responsibilities ...

unit consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.Role OverviewICRV 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-visibility ...

cloud-native transformation and want to lead the shift toward asynchronous, high-scale architectures, this opportunity is for you. Role Summary As an Azure Principal Platform Engineer, you will act as the authoritative Subject Matter Expert (SME) to help a major fintech architect, bootstrap, and build from scratch ...

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 ...

seeking a hands-on Salesforce Engineer with a proven track record of designing, building, and delivering robust, scalable, and secure solutions on the Salesforce platform. The ideal candidate combines deep technical craftsmanship with high engineering standards, an eye for detail, and a continuous improvement mindset. A strong understanding … working with global colleagues and stakeholders and sensitivity to cultural differences, time zones etc. What you’ll be like The ideal candidate for the Principal Salesforce Engineer role will be a pragmatic and collaborative technical leader who takes pride in engineering craftsmanship and delivering business value. They will ...

About IG Group Job Title Principal Data Engineer Job Description So, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn’t pivot to innovation ...

Role: Principal AI Architect Generative & Agentic AI Location: London | Hybrid Salary: £150,000 £200,000 + Bonus + Equity Were working with a fast-growing AI consultancy looking to appoint a Principal AI Architect to take a leading role in designing and delivering complex, production-grade AI solutions. … such as AWS, Azure or GCP Strong architecture and system-design capability Experience communicating complex technical concepts to senior stakeholders Previous technical leadership at Principal, Lead, Staff or Architect level Package £150,000 £200,000 , depending on experience, alongside a bonus and equity structure . This is an opportunity ...

Are you passionate about leading technical excellence while remaining hands-on in building high-quality software? Do you enjoy influencing teams, shaping engineering practices, and delivering reliable, secure, and observable solutions in a collaborative environment ...

Profile 29 seeks a Principal Software Engineer to own architecture across multiple services, provide technical leadership, and contribute to engineering standards while continuing to code. The role centers on a Java/Spring Boot microservices platform on AWS (EKS) with a Next.js frontend and Camunda orchestration ...

AlphaSense is seeking a senior backend/mobile engineering-focused engineer based in London to shape backend systems and client-facing APIs. You will lead cross-team architectural initiatives and drive production quality across services used by web and mobile clients. In this role you’ll partner with product ...

RELX International in London is seeking a Technical Lead to balance hands-on software development with engineering leadership. You will shape technical direction, guide delivery planning, and collaborate with Product, Architecture, QE, SRE, and partner ...

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can ...