1 to 25 of 69 Principal Engineer Jobs in London

Principal Engineer Hybrid Working - London - 2 days a week on site. Financial Services Lorien's leading banking client is looking for a strong Principal Engineer to join a high-profile transformation programme delivering a next-generation cloud-native customer onboarding platform. This is a hands … stakeholders to ensure successful programme delivery. Drive production readiness through observability, resilience, automated testing, and secure engineering practices. Key Skills Experience operating as a Principal Engineer, Staff Engineer, or equivalent senior technical leader . Strong hands-on development experience with Python and/or Java. Expertise ...

Principal Software Engineer/Principal AI Engineer Are you excited about building intelligent systems powered by innovative AI technologies? Do you enjoy creating solutions that turn complex data into impactful outcomes? About the team Embedded Innovation Teams are cross‐functional squads embedded within our segments … inside segment and function teams, improving the internal workflows that help our people deliver better outcomes for customers, faster. About the role As a Principal AI Engineer/Principal Software Engineer, you will be the technical lead for an embedded Innovation Squad, owning technical execution from ...

Principal Engineer (Payments) Our long-term trusted partner, a leading financial services corporation, is hiring a Principal Engineer to drive the development and design of several greenfield retail banking platforms as our clients rebuild their product portfolio as they continue on their digitial transformation journey. This … senior leadership position where the chosen engineer will lead real-time architectural decision making leading vision & strategy across Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets and APIs. Our client is paying a basic salary up to £110,000 (circa) + 25% bonus + benefits ...

Principal Java Engineer (AWS/Microservices) Salary: Up to £105,000 + Bonus + Benefits Location: Coventry or Central London - Hybrid (2 days per week onsite) Working Hours: 40 hours per week - Full time Job Type: Permanent A globally established organisation is seeking an experienced Principal Java … Engineer to shape the future of large-scale digital platforms used by millions of customers. This role will focus on driving engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment. Responsibilities for the Principal Java Engineer ...

Overview We are excited to announce a new opportunity for a Principal Engineer to join our Team at Enterprise Mobility. We’re Enterprise Mobility, a family-owned global leader in mobility solutions. Our world-class portfolio includes car and van rental, fleet management, vehicle subscription, car sharing, luxury … capabilities (endpoint protection, secure coding tools, risk database, etc.), and related applications (AppSec, Startup Page, etc.). This is an exciting opportunity for a Principal Engineer in the WTT Engineering organization! In this important role you will have shared responsibility for our various engineering delivery pipelines. The solutions ...

Principal Network Engineer - Cisco Network Engineer London (Hybrid – 60/40 split) Permanent | Competitive Salary + Benefits About the Opportunity We’re partnering with an innovative full-fibre broadband provider transforming connectivity across London. This fast-growing organisation is delivering next-generation FTTP (Fibre to the Premises … infrastructure, enabling ultra-fast, reliable connectivity for homes and businesses. They’re now looking for a Principal Network Engineer to play a pivotal role in shaping, scaling, and optimising a carrier-grade network in a high-performance, fast-paced environment. The Role As a Principal Network Engineer ...

Principal Software Engineer - FinTech - Hybrid (2-3 days a week in London) - Permanent - £130k Salary + 20% Bonus + Benefits A well-established UK financial services organisation is looking for a Principal Software Engineer to provide technical leadership across its engineering function during a period … environment. To apply, please send your CV to Nathan Laidlaw at Transparent Technology via the application process. Applications are reviewed on an ongoing basis. Principal Software Engineer, Lead Software Engineer, C# Developer, FinTech Engineering, Software Architecture, Cloud Architecture, AWS, Azure, Engineering Manager, Technical Leadership, Hybrid Software Jobs ...

global financial services organisation seeks a Principal Cybersecurity Engineer to help build the next generation of data-driven security capabilities at exceptional scale. This is a senior (Director grade) individual contributor position. The role requires a candidate with deep cyber expertise and elite hands-on software engineering ability … help solve cutting-edge problems that do not have obvious off-the-shelf answers. This is a rare opportunity for a cyber-minded principal engineer who wants to build, challenge, influence and operate at serious scale as an IC technical leader. Base salary up to £250,000 + ...

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 Software Engineer – Go | Distributed Systems £160,000-£200,000 + 15% bonus + Equity Go/Python/Rust - Kubernetes, AWS, Distributed Systems Hybrid (Central London, 3 days a week in office) Broad/Complex Technical Environment Well-funded Series B deep-tech company We’re partnered … hardware, software and AI as a platform to increase efficiencies in an industry where time can truly save lives. Responsibilities They’re hiring a Principal Software Engineer to act as technical authority across a number of small product teams. You’ll lead technical direction, shape system architecture, mentor ...

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 ...

Azure Principal Platform Engineer This position allows you to join a fast-growing technology organisation focused on the critical migration and architectural evolution of our .NET services from AWS to Azure. If you are passionate about 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 an enterprise-grade, multi-tenant AKS platform on a greenfield Azure landing ...

## Principal Engineer, AI & Data PlatformApplylocations: Londontime type: Full timeposted on: Posted 30 Days Agojob requisition id: JR2001246## **About Bullish**## Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: **Bullish** **Exchange** – a regulated and institutionally focused digital assets … enterprise-wide technical leadership role reporting to the Head of AI & Data Platform. Depending on experience, this will be filled at Director or Lead Engineer level. You will own the architecture and delivery of systems that make Bullish’s data not just accessible but intelligible— to business users through ...

Principal Engineer AI Transformation Central London 3 to 4 days onsite - Up to £175,000 + bonus This is a great opportunity to join a fast-growing financial services business that has built its technology function the right way from the start. The environment is modern with very … with senior stakeholders to help shape the direction and roadmap. What they are looking for They are looking for someone who has operated at Principal or Lead level in an AI focused engineering environment. You will need strong experience designing and delivering AI or machine learning solutions. Hands ...

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 ...

taking the direct route or trying a new path, we’ll support you no matter what. The Role We’re looking for a Principal Engineer – Payments to join Masabi’s Architecture team, with a primary focus on our payments domain. This is a senior role for someone … Good understanding of payment flows, transaction lifecycles and system design considerations Experience designing and evolving distributed systems and microservices architectures You’ve operated at Principal or Staff level, shaping technical direction across multiple teams or domains Strong judgement and the ability to balance short‐term delivery with long‐term ...

Role: Principal AI Engineer - Lead Colleague AI Transformation (Financial Services) Location: Central London, Hybrid working 2/3 times per week from the office, the rest from home Start Date: ASAP End Date: 6 Months initially Daily Rate: Very competitive day rate, Inside IR35 Overall Purpose … Role We are seeking a hands-on Principal AI Engineer to act as the technical right hand for the Automation & AI Practice, accelerating the Colleague AI agenda. This pivotal role will transition the organisation from isolated AI experiments to a fully resourced, governed, and scalable AI delivery capability. ...

9fin is on the lookout for a Principal Engineer who will sit at the intersection of financial data and AI. This role requires someone with deep experience in complex data modelling, entity resolution, and making foundational architectural decisions that span multiple engineering teams. The successful candidate will have ...

Durlston Partners LLP in London is seeking a Principal Engineer to lead within their Engineering function. You will be the 'go to person' for finance and tech questions, contributing hands-on to front-office and systems projects. The role offers a compensation package exceeding £180k base, equity from ...

strong, global market pull, 9fin is accelerating toward becoming the category‐defining platform for debt markets worldwide. We're looking for a Principal Engineer 9fin sits at the intersection of financial data and AI. We ingest, model, and surface complex debt capital markets intelligence at scale. What … decisions Mentor and stretch the most senior engineers across the org What we're looking for You're the person who: Has operated at principal or staff level in a data‐intensive, fast‐moving engineering org — and has the range to show for it Can credibly walk into ...

Crawford Legal Advokatfirma As seeks a Principal Engineer - Recovery & Resilience to design and implement enterprise-wide recovery capabilities. This role emphasizes hands-on execution, orchestration, and automation of recovery processes. The ideal candidate will lead recovery workflows, optimize backup tools like Commvault, and collaborate with various teams ...

well-established, but fairly early-stage (less than 200 employees) trading firm based in London, dedicated to becoming a leading figure. Looking for a Principal Engineer, need a “go to person” for Finance & Tech questions. This will be a nice mixture of leadership/hands-on responsibilities within ...

Azure Principal Platform Engineer - UK Government Security Clearance eligibility required Internal Title: Azure Principal Consultant Location: London, UK (Hybrid - typically 1-2 days per month in office) Contract: Permanent Package: £90,000 - £120,000 + 10% Bonus + 10% Shares + Benefits About Us At Appvia … passionate about driving value to our clients and have a desire to make their organisation succeed. About the role As an Azure Principal Platform Engineer, you’ll play a pivotal role in guiding our customers towards Cloud and DevOps excellence. You’ll leverage your expertise to design ...

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 ...

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 ...