Overview In this leadership role, you blend hands-on coding with strategic software leadership to guide a product squad and set high‑level architecture. You will drive best practices, manage technical debt, and align delivery with other P...Read More>>.

Overview As a Principal Software Engineer in Public Markets Technology, you will help build an AI-enabled investment platform by delivering scalable Python solutions on a cloud-first stack. You’ll collaborate with portfolio managers, data...Read More>>.

Overview In this role you will help evolve ThousandEyes’ technologies within Cisco’s broader portfolio, shipping new features that improve digital experience across networks. You will collaborate with product and engineering leaders to...Read More>>.

Overview In this role you own and shape the technical strategy for a software vertical, aligning with cross‑functional teams to influence enterprise-wide architecture and practices. You lead high-impact technical work, mentor engineers, a...Read More>>.

Overview As Principal Engineer, you will shape the architecture and direction of our API platform, guiding scalable cloud-native systems and event-driven services. You will work with cross-functional squads to solve distributed systems chal...Read More>>.

Overview As a Principal Software Engineer in Mastercard’s Operations Automation Program, you lead automation and infrastructure management across on-premise and cloud environments. You’ll shape scalable DevOps across global engineering...Read More>>.

Overview In this role, you will shape the next generation of software features for defence systems. You join a world-class team focused on delivering market-leading solutions in Integrated Sensors & Protection, driving innovation across com...Read More>>.

Overview In this role you will own the end-to-end software lifecycle for secure, mission-critical products in a defence environment. You’ll lead embedded and/or application software development, shaping architecture with cross-functional...Read More>>.

Overview As a Principal Software Engineer, you will lead the development of safety-critical airborne software in a multidisciplinary team. You will influence engineering decisions and shape robust embedded solutions for Zephyr-based stratos...Read More>>.

Overview As Principal Software Engineer, you will provide technical leadership for a new Electron- and Chromium-based desktop platform enabling Autodesk web apps. You will define platform architecture, lead core engineering across Electron,...Read More>>.

Overview In this role you lead technical direction for Vitality’s Engineering function, shaping standards and architecture across enterprise platforms and customer-facing solutions. You work across multiple teams with senior stakeholders...Read More>>.

Overview As Principal Software Engineer, you will architect and build cloud-native solutions across Mobile, Web, and Tooling to advance medical insights and predictive models. You may lead a small team from day one or focus on hands-on deli...Read More>>.

Oliver Wyman is a global leader in management consulting. With offices in more than 70 cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organizati...Read More>>.

About WeBuild-AI: WeBuild-AI areAInatives delivering 10x value for enterprise organisations. We combine highly skilled experts with ourAI Launchpad, industry-aligned language models, and agents to tra...Read More>>.

About Us Huguenots generates highly personalised solutions for fund management clients of all sizes, from start‑up boutiques to global asset management firms, using our in‑house investment reporting platform. All clients are assure...Read More>>.

Join to apply for the Principal Software Engineer role at Companies House2 days ago Be among the first 25 applicantsJoin to apply for the Principal Software Engineer role at...Read More>>.

Unily Lower Eashing, England, United KingdomJoin or sign in to find your next jobJoin to apply for the Principal Software Engineer role at UnilyUnily Lower Eashing, England,...Read More>>.

OverviewI'm working with a software company that's looking for a Principal Software Engineer to join their team. They have developed a product that utilises data analytics and machine learning to optimise inventory data,...Read More>>.

1 day ago Be among the first 25 applicants Company Description General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missio...Read More>>.

Location: Portsmouth with a hybrid working modelHours: Full timeSalary: From £65,000 but negotiable, depending on experience. The role comes with a competitive benefits package including pension (7% company c...Read More>>.

We're hiring for one of the UK's fastest growing fintech scaleups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep technical leadership alongside being extremely hands on as...Read More>>.

principal software engineer – backend servicesYou’ll be working in a team of backend engineers across MPG to drive the delivery and deployment of backend services for industry-leading game projects. You will act as a key engineering c...Read More>>.

£80,000 - £100,000 + bonus and sharesThe OpportunityWe are VERY excited about this opportunity. We’ve been working with this client for years and every candidate we have ever placed with them have loved it there. Contractors...Read More>>.

Hybrid in London (2 days on-site, 3 days from home)Up to £130k base + Bonus +StockPrincipal Software Engineer – Would you like to be part of a brand-new engineering group focused on redefining how people move through next gener...Read More>>.

UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes RELOCATION ASSISTANCE: Relocation assistance may be available TRAVEL: Yes, 10% of the Time Define Possible at Northrop Grumman UK What’s your possible? At Nor...Read More>>.

2 days ago Be among the first 25 applicantsThis range is provided by Holt Executive Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the...Read More>>.

Based in Oxford, you will join a highly experienced and growing Software Development team building innovative, cloud-based software that supports major decisions in the global energy transition. Our platform is built on AWS using a micro...Read More>>.

We are looking for a Principal Software Engineer (we call them Principal Software Craftspeople) who shares the same values of pragmatism, professionalism and transparency as us to join our team. You'd be utilising your expertise with clients, h...Read More>>.

Principal Engineer (Java) | London (Hybrid) | FinTechFinancial services experience is essential for this one.We're working with a B2B FinTech disrupting the SME lending market. Their SaaS platform is used by over 80 high street ba...Read More>>.

Principal Software Engineer Location: Heybridge The role of a Software Engineer is to be part of the Software Systems Capability function, where you will specify, design, validate and test software components, including low-leve...Read More>>.

We are looking for a Principal Software Engineer to join the team. This role is central to ensuring the reliability, performance, and scalability of systems vital for public safety and essential services. You will act as a technical leader, men...Read More>>.

Role DescriptionWe’re hiring a Principal Software Engineer to join our App Engineering team and help lead the technical direction of Vortex, our flagship desktop mod manager used by millions of PC gamers. You’ll be one of the most...Read More>>.

Principal Software Engineer – Join a growing SaaS scale-upRemote working – once a month onsite in ManchesterWere currently partnered with a fast-growing UK based SaaS scale-up who operate in the B2B marketing...Read More>>.

Responsibilities Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion of milestones associated with your project Contribu...Read More>>.

Principal Software EngineerSalary: £75,000 – £85,000 + BenefitsLocation: Hybrid 1 day every other week – Milton KeynesWe are currently looking for a Principal Software Engineer to join a growing, technology-led Sa...Read More>>.

London Full time 60000 Our Client is currently looking for an Full Stack Dev to join the team Gibson Jones is proudly recruiting on behalf of one of the most important companies within the science sector in Europe fo...Read More>>.

Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. Developing next-generation physiological monitoring solutions, the business is transitioning from advanced product...Read More>>.

Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. Developing next-generation physiological monitoring solutions, the business is transitioning from advanced product de...Read More>>.

Meet the TeamCisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network - even the ones they don't own. Powered by AI and an unmatc...Read More>>.

Job Description: The Opportunity Are you a Software Engineer with C++ experience looking for your next challenge? Here at Leonardo, we are seeking an experienced Principal Software Engineer to take on pivotal technica...Read More>>.

Principal Software Engineer, Backend - Full or Part Time Manchester You’ve probably heard of Autotrader, but do you know what we’re all about? We’re the UK’s leading automotive marketplace, a heritage brand, and a...Read More>>.

Your Impact at LILA We are seeking a Senior Principal or Principal Software Engineer, AI Lab Execution System to join our Scientific System of Record Team and help define and build the next-generation AI-driven scienti...Read More>>.

Location: Luton (Hybrid: 4 days on-site, 1 day remote) Contract: 12 months IR35: Inside IR35 Security Clearance: Full UK SC required upon application Day Rate: Competitive (please enqu...Read More>>.

Principal Software Engineer – Agentic EngineeringUsing AI and agentic engineering to modernise complex legacy software, and fundamentally change how engineering teams build software.This isn't a traditional software eng...Read More>>.

Inside IR35Hybrid - LondonRole Overview:We are seeking an exceptional Senior / Principal Java Developer with extensive front-to-back trading systems expertise to join our delivery team on a high-profile eng...Read More>>.

Join to apply for the Principal Software Engineer role at Lloyds Banking Group. Base pay range This range is provided by Lloyds Banking Group. Your actual pay will be based on your skills and experience — talk with...Read More>>.

Job Description Principal Software Engineer Full Time Location - Heybridge At Rolls-Royce we are proud to be a business that has truly helped to shape the modern world and are committed to always being a force f...Read More>>.

Reading - Hybrid (ideally 2/3 days per week)Albany Growth are partnered with an established software business going through a major multi-year technology transformation, rebuilding and modernising a large legacy product estate onto a new...Read More>>.

We are The Citation Group - a collective of businesses dedicated to supporting small and medium-sized enterprises across a range of essential services. We know that running a business means juggling a lot. Our mission is to ease these pressures by...Read More>>.

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?A...Read More>>.