26 to 50 of 72 Principal Software Engineer Jobs in London

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a senior hands-on role for an individual who combines deep technical expertise … design and architecture of scalable, secure, and resilient enterprise applications, ensuring alignment with business and technology strategies. Drive Technical Leadership – Define and champion software engineering standards, architectural patterns, best practices, and reusable frameworks across the engineering community. Own Delivery Outcomes – Lead complex technology initiatives from concept through to deployment ...

helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment.As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused on getting … long-term architectural strategy for platform engineering, ensuring competitive advantage and scalability.Mentor and coach senior engineers across teams, elevating the technical bar and championing Software Engineering Communities of Practice.Serve as the key technical liaison for product, business, and security stakeholders, translating technical decisions into business impact.Lead the design ...

helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused … term architectural strategy for platform engineering, ensuring competitive advantage and scalability. Mentor and coach senior engineers across teams, elevating the technical bar and championing Software Engineering Communities of Practice. Serve as the key technical liaison for product, business, and security stakeholders, translating technical decisions into business impact. Lead ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused … term architectural strategy for platform engineering, ensuring competitive advantage and scalability. Mentor and coach senior engineers across teams, elevating the technical bar and championing Software Engineering Communities of Practice. Serve as the key technical liaison for product, business, and security stakeholders, translating technical decisions into business impact. Lead ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused … term architectural strategy for platform engineering, ensuring competitive advantage and scalability. Mentor and coach senior engineers across teams, elevating the technical bar and championing Software Engineering Communities of Practice. Serve as the key technical liaison for product, business, and security stakeholders, translating technical decisions into business impact. Lead ...

helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer - Applied AI ML Director at JPMorganChase within the Accelerator Business, you are the heart of this venture, focused on getting ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer - Applied AI ML Director at JPMorganChase within the Accelerator Business, you are the heart of this venture, focused on getting ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer - Applied AI ML Director at JPMorganChase within the Accelerator Business, you are the heart of this venture, focused on getting ...

JPMorgan Chase is seeking a Principal Software Engineer to help transform digital banking for Chase UK. You will work in a distributed, diverse team focused on delivering scalable, secure, consumer-facing features with high availability and low latency. You will lead complex coding frameworks, apply enterprise ...

JPMorgan Chase is seeking a Principal Software Engineer within the International Consumer Bank to deliver scalable, secure consumer-facing features with high availability and low latency. You will collaborate with Product, Design and Compliance teams to ship customer-centric solutions that meet regulatory standards while leveraging enterprise ...

been building the bank of the future from the ground up, offering you the chance to join us and make a significant impact.As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering … possess an interest in the financial sector and focus on addressing our customer needs. Job responsibilitiesCreates complex and scalable coding frameworks using appropriate software design frameworks.Develops secure and high-quality production code, and reviews and debugs code written by others.Architects and governs agentic AI-enabled engineering workflows (using enterprise ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering … possess an interest in the financial sector and focus on addressing our customer needs. Job responsibilities Creates complex and scalable coding frameworks using appropriate software design frameworks. Develops secure and high-quality production code, and reviews and debug code written by others. Architects and governs agentic AI-enabled engineering ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering … possess an interest in the financial sector and focus on addressing our customer needs. Job responsibilities Creates complex and scalable coding frameworks using appropriate software design frameworks. Develops secure and high-quality production code, and reviews and debugs code written by others. Architects and governs agentic AI-enabled engineering ...

leading technology firm in Greater London is seeking a Principal Software Engineer to design, develop, and maintain critical infrastructure. This role involves ownership of team deliverables, collaboration with external partners, and mentoring engineers. Candidates must have strong capabilities in backend and frontend development, design scalable systems ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering … possess an interest in the financial sector and focus on addressing our customer needs. Job responsibilities Creates complex and scalable coding frameworks using appropriate software design frameworks. Develops secure and high-quality production code, and reviews and debugs code written by others. Architects and governs agentic AI-enabled engineering ...

global AI-native consultancy is seeking a Principal Software Engineer to lead engagement delivery in the Energy & Commodities Trading sector. This hands-on role combines technical excellence and domain expertise, focusing on architecting scalable AI solutions that drive trading decisions. The successful candidate will work closely with ...

Simple Machines is a leading boutique technology firm seeking a Principal Software Engineer to design and deliver complex, scalable systems across backend, APIs, frontend, data pipelines, and cloud infrastructure. You’ll work with internal teams and client stakeholders, owning outcomes end-to-end in a consultative engineering ...

Principal Software Developer in Test (SDET)Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentDrive test automation innovation and engineering excellence in financial technologyThe RoleAs a Principal Software Developer in Test (SDET) at Capco, you'll lead the strategy, architecture, and implementation of robust test automation … enabled ways of working, encouraging the responsible use of approved AI and automation tools to improve engineering productivity, accelerate test delivery, and enhance software quality while ensuring appropriate governance, human oversight, and responsible AI practices.What You'll DoArchitect reusable, scalable test automation strategies and frameworks across web, mobile ...

consumers. If you believe the best way to do your job hasn’t been invented yet, you’ll fit right in.About the RoleThe Principal Software Engineer, Mobile is SharkNinja's deepest technical authority on mobile engineering — the person others come to when the patterns don't exist … with no established playbook, ensuring the platform is built for the AI-powered features SharkNinja will ship next.What You'll Bring12+ years of progressive software engineering experience, with deep expertise in native iOS (Swift), Android (Kotlin), and React Native.A track record of solving the hardest mobile engineering problems — architecture ...

Principal Engineer is the most senior individual contributor in engineering, setting technical direction, leading architectural decisions and aligning technology investment with business strategy. They combine deep technical expertise with mentorship and broad organisational influence to enable secure, resilient and maintainable solutions. Aligned to the People & Labour sub-domains … effectively. Drive operational excellence through improved observability, resilience, incident management, CI/CD, developer experience and the adoption of AI across the product and software development lifecycle. Who you are Your skills and experience will include: Extensive experience in system design, architecture and technical leadership across complex, business-critical ...

time problem-solving, stronger relationships, and the kind of precision that drives great outcomes.Job SummaryWe are looking for a highly experienced, curious and driven software engineer to join a growing area of our business. Workload Identity presents a huge opportunity to change the way that communication between services … secured. It is also a challenging area which touches on many different foundational pieces of modern software development – networking, security, authorization, SDKs, cloud, Kubernetes and much more.We are looking for a high-performing engineer with broad experience across security, networking, cloud and more, ideally with specific experience related ...

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 … demonstrated technical leadership through multi‐year delivery. Demonstrated success leading engineering teams through complex, multi‐year transformation programmes. Hands‐on experience across the full software development lifecycle. Practical experience using AI tools across the development lifecycle, including the review discipline for AI‐generated code. Excellent written and verbal communication ...

Business Area: Asset Management Platform Location: London Reporting to: Client Technology Delivery Lead Job title: Principal Salesforce Engineer Who we're looking for We are seeking a hands-on Salesforce Engineer with a proven track record of designing, building, and delivering robust, scalable, and secure solutions … 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 ...

networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.Title and SummaryPrincipal Software EngineerJoin Mastercard’s Operations Automation Program as a Principal Engineer for our DevOps team that powers infrastructure automation across on-prem data centers … Partner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency.All About You• 10+ years of experience in Software Engineering and DevOps roles, including at least 2 years in a technical leadership capacity.• Strong Linux systems administration background• Deep familiarity with cloud environments ...

.Net, PHP, Umbraco, Drupal About The Role A Principal Engineer is the most senior technical role in manifestos engineering team , providing leadership when it matters most: whether shaping a new client opportunity, designing complex architecture or resolving a critical live issue. You will work across our client estate … appropriate to the client's budget, team and long-term maintenance capability, not to the most interesting technical solution available. You uphold a clear software design philosophy and ensure teams deliver maintainable solutions. You have a clear understanding of simplicity. You define solutions that are simple by design ...