1 to 25 of 71 Principal Software Engineer Jobs in London

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 ...

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 … 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 ...

Principal Software Engineer (Python) Business Area: Public Markets Technology Location: London Job title: Principal Software Engineer (Python)Who we're looking forPublic Markets is transforming how technology, data and AI create investment advantage. We are building an AI-native investment platform that combines investor … judgement with modern engineering, proprietary data and increasingly agentic capability. We are looking for a talented software engineer who is excited by solving complex problems at the intersection of investment management, data and AI. You will help build and evolve the technology platforms that support investment teams, working ...

Description - Principal Software Engineer (17065) Job Description Principal Software Engineer ( 17065 ) Description As a Principal Software Engineer within the eCommerce Platform Delivery team, you will provide leadership and technical stewardship across multiple squads within a defined Mission. You will be responsible … systems. Your role will involve guiding teams towards technical excellence, fostering a culture of continuous improvement, and driving high performance across all aspects of software development. Working closely with Product Managers, Agile Delivery Managers, Enterprise Architects, and the Chapter Lead for Software Engineering, you will ensure engineering standards ...

Principal Software Engineer/Principal AI Engineer Are you excited about building intelligent systems powered by innovative AI technologies? Do you enjoy designing models that turn complex data into impactful solutions? 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, you will be the technical lead for an embedded Innovation Squad, owning technical execution from discovery through to production. You will ...

Principal Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: Head of Engineering Description Defaqto is one of the most trusted names in UK financial services research and ratings, and our technology turns deep market data into decisions that advisers, providers and consumers … rely on every day. The credibility of that output rests on the quality of our engineering. We are looking for a Principal Software Engineer to be the most senior individual contributor in our Technology function. Reporting to the Head of Engineering and working closely with ...

Principal Software Engineer Financial services | London | Hybrid, 6 days onsite per month Package: £75-£95k + 10% pension + 10% cash allowance + bonus + benefits pack. Were recruiting a Principal Software Engineer for a financial services organisation investing in its digital products … work closely with product, business and architecture stakeholders. Improve existing systems through practical, measured changes rather than relying on wholesale redesign. Requirements Significant software engineering experience and a track record of delivering large-scale enterprise web applications. Deep experience with Java, Spring Boot, microservices, ReactJS, SQL, MongoDB, DevOps ...

Principal Software Engineer Financial services London Hybrid, 6 days onsite per month Package: £75-£95k + 10% pension + 10% cash allowance + bonus + benefits pack. Were recruiting a Principal Software Engineer for a financial services organisation investing in its digital products ...

purpose As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serves millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand … software engineers and engineering, it’s an exciting time as we’re redefining ourselves into a digital first and engineering-led organisation, with the quality of our engineering team being a key differentiator. We are seeking a passionate Principal Software Engineer to join us working across ...

Energy Trading - Principal Software Engineer London About Indicium AI Indicium AI is trusted by the world's leading enterprises to deliver AI into production at scale. We are a global AI-native consultancy with proven experience across Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail … partners - including Anthropic, Databricks, AWS, OpenAI, and Microsoft - to deliver modern AI with speed and measurable impact. Overview Indicium AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting engagements within our Energy & Commodities Trading sector. This role demands a unique combination of hands ...

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 … hands-on technical leadership role focused on developing safety-critical embedded software, with particular emphasis on Embedded C and RTOS technologies. Key Responsibilities Lead technical aspects of embedded software projects. Design, develop and test low-level embedded software. Work extensively with C, assembler and RTOS technologies. Contribute ...

have within the community. Salary: £80,200 - £120,400 The Opportunity This 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 … 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 UK What You’ll Do Take ownership of multiple teams’ deliverables and work with technical leads to define ...

## Principal Software Engineer - C#Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5616The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data … consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.**Role Overview**ICRV 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 ...

Principal Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold an active eDV clearance for this role. About us At Raytheon UK, we take immense pride in being … customers to solve some of the toughest digital challenges faced in the world today. Role & Responsibilities You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Design and build software ...

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 … 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 Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold an active eDV clearance for this role. About us At Raytheon UK, we take immense pride in being ...

## Principal Software Engineer - Squad Lead EngineerApply: London Wall: Full time: Posted Yesterday: R118269*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 … Role**As a Technical Lead, you will act as the technical facilitator and engineering leader for a cross-functional squad, balancing hands-on software development with leadership through influence. You will help shape technical direction, guide delivery planning, drive quality strategy, and collaborate closely with Product, Architecture ...

client is a software consultancy. Principal Engineer Location : Waterloo, London, England, UK | Hybrid (1 day per week in office) Who We Are We bring life to the best ideas. Founded in 2006 and headquartered in Chicago, we are a technology solutions consultancy that partners with organisations from … early-stage startups to the world's largest companies. We take on hard software challenges and turn them into durable results. We build agentic products, the platforms they run on, and the engineering and design at every layer. Our commitment to quality means we deliver solutions were truly proud ...

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 ...

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 … 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 ...

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 …/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 ...

DescriptionAs a Principal Software Engineer within the eCommerce Platform Delivery team, you will provide leadership and technical stewardship across multiple squads within a defined Mission. You will be responsible for the overall design and accountable for upholding engineering standards, ensuring the delivery of robust, secure, scalable … systems. Your role will involve guiding teams towards technical excellence, fostering a culture of continuous improvement, and driving high performance across all aspects of software development. Working closely with Product Managers, Agile Delivery Managers, Enterprise Architects, and the Chapter Lead for Software Engineering, you will ensure engineering standards ...

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 … 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 ...

Raytheon UK is seeking a Principal Software Engineer to join our established software development function in London. You will work in a cross-functional team, delivering and deploying critical software across multiple business areas. The role requires hands-on experience with React/NextJS, TypeScript ...