1 to 25 of 72 Principal Software Engineer Jobs in the UK

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 (Contract) - Naval Radar BAE Systems (Defence Solutions) | Cowes, Isle of Wight | 6 months | Inside IR35 BAE Systems (Defence Solutions) is seeking an experienced Principal Software Engineer to support the development, maintenance and enhancement of advanced naval radar systems in service with … Royal Navy . Based full-time onsite in Cowes , you'll provide technical leadership across the software lifecycle, working within a large, established engineering environment. Key details Location: Cowes, Isle of Wight (full-time onsite) Contract length: 6 months initially IR35: Inside IR35 Rate: £54.57/hour PAYE ...

PRINCIPAL SOFTWARE ENGINEER FULLY REMOTE PERMANENT ROLE SALARY - CIRCA £100K + BENEFITS Your new role We're looking for a Principal Software Engineer to join a high-growth technology business building an AI-powered digital platform operating at significant scale.This is a senior hands … role combining software engineering, architecture and DevOps. You'll own complex product engineering initiatives while also influencing the wider cloud platform, infrastructure and engineering standards. What you'll need to succeed What you'll be doing * Designing and delivering scalable product features end-to-end. * Remaining hands-on across ...

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 ...

Senior/Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction … will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts Defining system and software architectures from requirements using structured design, modelling and simulation Driving integration ...

Senior/Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction … will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts Defining system and software architectures from requirements using structured design, modelling and simulation Driving integration ...

Senior/Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction … will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts Defining system and software architectures from requirements using structured design, modelling and simulation Driving integration ...

NegotiableKent, EnglandPermanentSenior/Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction … will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefactsDefining system and software architectures from requirements using structured design, modelling and simulationDriving integration, verification ...

Principal Software Engineer (Contract) - Naval Radar BAE Systems (Defence Solutions) Cowes, Isle of Wight 6 months Inside IR35 BAE Systems (Defence Solutions) is seeking an experienced Principal Software Engineer to support the development, maintenance and enhancement of advanced naval radar systems in service with ...

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

have a growing international footprint and are one of Europe's fastest-growing engineering businesses. About the role We are looking for a Principal Software Engineer to build the Internal Developer Platform that our engineering teams depend on - a platform built from the ground up for agentic … engineering. Our software teams work on hard problems under tight deadlines. Your job is to make sure the platform underneath them is not one of those problems. Working within the Platforms team, you will architect and own the tooling, infrastructure, workflows, and components that our clients developers build on. ...

121537Category: Software EngineeringLocation: United KingdomWorkplace: HybridSchedule: Full timePosted: 2026-09-28Job 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 … 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 ...

Your roleWhat you'll be doingPrincipal Software EngineerWhat We NeedCorpay is currently looking to hire a Principal Software Engineer within our Alpha division. This position falls under our Corporate Payments line of business and is located in London, United Kingdom. You will operate as a senior … close to delivery, helping teams make sound trade-offs and building reliable, secure systems that can evolve with the business. How We WorkAs a Principal Software Engineer, Corpay will set you up for success by providing: Assigned workspace in our London officeCompany-issued equipmentFormal, hands-on trainingRole ...

Software Engineer (Principal & Senior) - Active SC, DV Clearable Location : Remote whilst SC, Cheltenham 4 days on-site once DV Salary : Lead, £90,000 - £100,000/Principal, £110,000 - £130,000 Clearance: Must have a minimum of active SC with ability to go through DV. Sanderson … Government & Defence are partnering with a specialist organisation at the forefront of data moderniastion across the Public Sectors. Duties & Responsibilities As a Lead or Principal Software Engineer, you will help lead the development of backend platforms and services for secure clients leveraging the latest commercial and open ...

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 … 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 ...

reaches broad release, tests it in practical scenarios, and feeds what we learn back into the teams building it. GTI is looking for a Principal Software Engineer to provide technical leadership across game-engine, graphics, and performance projects. The role combines hands-on engineering with architecture, mentoring … forward. GTI is part of Arm's Strategy & Ecosystems organisation and works with teams across graphics, machine learning, drivers, developer tools, and performance. ResponsibilitiesThe Principal Software Engineer will: Lead game-engine investigations and integrations involving new Arm graphics and compute technologies, including work in Unreal Engine ...

PRINCIPAL SOFTWARE ENGINEER – V06450 Role Description Provide technical expertise across the software team for the requirements, design, implementation, testing and verification of the software subsystems on Naval radar Key Tasks Derive and maintain a set of software requirements from a baseline set of systems … requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Test a software solution to prove that is meets its design aims and requirements Skills Have considerable ability of using ...

client is a fast-growing UK engineering and software technology company located in Bristol. They are looking to hire a Principal Software Engineer to lead the design, architecture and development of their internal developer platform that all their engineering teams will utilise and depend on. … roll out coding agents across engineering workflows and own how and where they're used. Key skills/experience required: Substantial experience as a principal or staff software engineer, with experience of utilising a range of languages/tools/frameworks (Python, Go, Rust, AWS, Kubernetes ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you re a senior embedded engineer looking to influence ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you’re a senior embedded engineer looking to influence ...

Location: London, Bristol or Edinburgh (hybrid, three days a week in the office)Level: Principal Engineer TL2/TL3Team: Enterprise ArchitectureSalary: 120,000 – 160,000 + discretionary bonusContract: PermanentReporting to: Director of Enterprise ArchitecturePlease note: This role requires an existing right to work inthe UK. … Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen. What you'll doAs a Principal Software Engineer at Kaluza, you will be the leading technical authority for a major global product area comprising multiple modules. You will lead ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Principal Security Software Engineer Description - HP Wolf Security is transforming endpoint security through hardware-enforced protection, isolation technologies, and cloud-connected security services. … solutions protect millions of users worldwide by integrating security directly into the hardware, firmware, and software of modern PCs. As part of the HP Wolf Security R&D organisation, you will help strengthen the security engineering practices that underpin our products, ensuring security is built into every stage ...

PRINCIPAL SOFTWARE ENGINEER - V06450 Role Description Provide technical expertise across the software team for the requirements, design, implementation, testing and verification of the software subsystems on Naval radar Key Tasks Derive and maintain a set of software requirements from a baseline set of systems … requirements Produce and maintain a software design to meet a set of software requirements click apply for full job details ...

Principal Embedded Software Engineer now needed in Bristol contributing to architecture, design, and implementation of safety-critical embedded software. This role involves technical leadership within projects, mentoring junior engineers, and ensuring high standards of software quality and compliance with safety standards. I am seeking an experienced … Principal Embedded Engineer with 10 years plus expertise in the following areas: Strong experience in embedded systems design and development Proficiency in C and assembler. strong experience with Real-Time Operating Systems Familiarity with safety-critical software development standards (e.g., IEC 61508, DO 178B/C, ISO26262 ...

NegotiableMaidenhead, England Permanent Lead Software Engineer/Technical LeadLocation: Maidenhead (Fully Onsite)Salary: Competitive + Bonus + BenefitsThe OpportunityMatchtech is supporting a UK defence technology organisation delivering secure communications and cyber solutions used in mission-critical environments. Their teams develop high-assurance cryptographic and key management technologies that … where security, reliability and real-world impact matter, this is an opportunity to take a leading role in the design and delivery of advanced software systems. Why Join? Work on secure, mission-critical technologiesLead technical delivery across multiple software programmesInfluence architecture, engineering standards and development practicesMentor and develop ...