23 of 23 Principal Software Engineer Jobs in London

Principal Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. ...

Principal Software Engineer/Principal AI EngineerAre 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 to rapidly … directly 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 ...

experienced Principal Software Engineer looking to work on cutting-edge technology and make a meaningful impact on users' daily lives in the medical field? If so, we invite you to apply below.As the Principal Software Engineer, you'll bring a wealth of cloud-native … technical development and delivery of products in line with our product vision and Quality Management System. Additionally, you'll shape the technology roadmap, enhance software delivery capabilities, and influence the company's overall technology strategy.To excel in this position, you should have a proven track record of successfully taking ...

impact we have within the community.Salary: 80,200 - 120,400The OpportunityThis is more than just a job; it’s a mission.As a Principal Software Engineer, you will play a pivotal role in designing, developing, and maintaining the critical infrastructure that powers our services. You will work … meet customer needs.“My purpose is to lead a team of engineers, rise to the challenges presented, push the boundaries and define possible together.”– Principal Software Manager, Northrop Grumman UKWhat You’ll DoTake ownership of multiple teams’ deliverables and work with technical leads to define a path that ...

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 … 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 ...

Title: Principal Software Engineer, AI InnovationCareer Architecture Role: Software EngineerCareer Architecture Tier: E35 (Principal, Expert Track)Job Summary:This is a founding engineer role in a new, innovation-focused team being built from scratch within Pearson's Enterprise Innovation function. The mission … moving, early-stage environments.Learning to Learn, Adaptability, Ethical Responsibility (Effective–Advanced): Embrace new technologies and maintain high ethical standards.Qualifications (Education & Experience):Extensive experience in software engineering and AI innovation, with a broad full-stack skillset.Proven track record of working on early-stage or 01 products, shaping direction rather than ...

highly-skilled, innovative and passionate group of people – Team AALTO. Together, we can Unlock Stratospace.About The RoleWe’re looking for an experienced, hands-on Principal Software Engineer to take a senior technical role within a multidisciplinary team developing safety-critical aircraft software. This is an opportunity … work close to the product, influence engineering decisions and help shape robust airborne software that will operate in demanding real-world environments.You’ll design, develop, verify and maintain embedded software primarily in C, with C++ and Python also part of the engineering toolkit. Working across the full software ...

Your ImpactThe Principal Software Engineer shapes and evolves our architecture using Distributed Domain Driven Design practices, ultimately ensuring the robustness and scalability of our systems. They influence architectural directions, and through project-embedded consultation. They guide teams to leverage best practices and design patterns.What You'll DoArchitecture …/Data Model Design and Implementation, including how to scale out, make highly available, or map to storage systems Knowledge of multiple software stacks Skilled with designing and operating software in a Cloud Provider such as AWS, Azure, or GCP Knowledge about algorithm development for intensive pipeline processing ...

Here’s a summary of the role: This is a principal-level role for someone who has already operated at Staff or Principal Engineer level in a sizeable engineering organization and can point to specific platform decisions — in production today — that they own. … leadership depth across the organisation and holding a high bar for engineering standards. These are the essentials you’ll need to get an interview: Principal-level track record at scale. 10+ years of software engineering experience, including at least 3 years' operating at Staff or Principal Engineer ...

Morgan Chase. AI Engineering tackle business critical priorities using innovative machine learning techniques and technologies with a focus on machine learning for Software, Cybersecurity and Technology Infrastructure. The team partners closely with all lines of business and engineering teams across the firm to execute long-term projects in these … areas that require significant machine learning development to support JPMC businesses as they grow. As a Principal Software Engineer at JPMorganChase within CDAO Technology Group in the Applied Innovation (of AI) Engineering team, you will design, develop, deploy, and maintain advanced AI products. You’ll collaborate with ...

DescriptionRole PurposeWe 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 with strong … 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 and support ...

looking for a game-changing career, working for one of the world's leading financial institutions, you’ve come to the right place.As a Principal Software Engineer at JPMorgan Chase, you will be leading change as part of an agile team in Global Technology Asset Management that … whilst owning and delivering end-to-end cutting-edge solutions leveraging the latest technologies and the best industry practices.Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation at scale.Support the products ...

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 - Applied AI ML Director at JPMorganChase within the Accelerator Business, you are the heart of this venture, focused on getting smart ...

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 ...

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 ...

research and development laboratories, manufacturing facilities and employees in multiple countries committed to serving patients worldwide. Please visit for more information.Job DescriptionBrief Description: The Principal, Cloud Software Engineer will be responsible for designing, developing, and maintaining modern healthcare-focused applications that support clinical, research, and enterprise … enabled web applications and APIs within an AWS cloud environment, with a strong emphasis on product development, user experience, and delivery of intelligent software solutions. Essential Functions Design, develop, and maintain full stack web applications using Python, Java, C++ and modern frontend frameworks. Build scalable backend services and APIs ...

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 ...

success of our business is delivered through the diverse and talented team of over 2,200 global colleagues.We are now looking for a visionary Principal Engineer to help define the next generation of our platform.Why this role matters:This is more than a leadership position. … event-driven architectures, and containerised applicationsStrong knowledge of AWS and modern DevOps practicesExperience leading engineering teams and influencing technical direction across squadsA passion for software craftsmanship, clean architecture, and scalable designA mentoring mindset and a collaborative leadership styleCuriosity around AI and emerging engineering technologiesExperience with Salesforce or enterprise ...

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 … systems, with 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; effective ...

ambitious plans to expand across Europe , employing the best minds and technology to let us do this. The impact you'll have: As a Principal Engineer in the Boost team, you'll be part of a group of principal engineers who champion technical excellence. The team acts … speak about our tech work to raise our engineering profile. Your skillset: Experience with AI-powered feature development and leveraging AI tooling for software delivery, with enthusiasm for transforming how we build and deliver software. Demonstrable history of working hands-on with engineering teams to solve complex technical challenges ...

associates a safe space to network, share ideas and create opportunities. Sound like the place for you? Join us! Cboe Europe is seeking a Principal Python Software Engineer. As part of a small, talented development team, you will help build and expand the data pipeline and event streaming … well as our trade reporting facility and other platforms. We are firm believers in the value of testable, maintainable code, pair programming and software craftsmanship; as we expand and grow our product suite, we need an experienced engineer with strong leadership skills to help us grow. To support ...

defining road-mapping. Not only will you be responsible for a product squad, driving the team’s best practices and providing high-level software architecture, but also being the voice of technical challenge, keeping technical debt low, and liaising with other Principals to align delivery and assurance. Technically … will have focused on Python, leading software teams and deploying straight to AWS. You’ll be able to handle both business and technical stakeholders, and have a strong knowledge of DevOps culture, testing frameworks, and planning technical roadmaps. With the company having just moved into a brand-new London ...