26 to 50 of 86 Principal Software Engineer Jobs in the UK excluding London

Principal Software Engineer, Backend - Full or Part Time

Location
Manchester, England, United Kingdom
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 tech darling of the stock market. We bring together vehicle … vibrant place to work. We might not be for everyone, but we could be perfect for you. About the role We're looking for Principal Software Engineers to help us build a technology platform for more than just the needs of Autotrader.co.uk. Utilising our public-facing web services ...

Principal Embedded Software Engineer

Hiring Organisation
Zenovo
Location
North West, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
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 ...

Principal Embedded Software Engineer

Hiring Organisation
KO2 Embedded Recruitment Solutions Ltd
Location
Northumberland, Cramlington, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
Principal Embedded Software Engineer Northumberland + Hybrid WFH £70,000 to £80,000 plus benefits Our client designs, develops and manufactures advanced robotics, automation and electro mechanical machines for some of the most ambitious technology businesses in the world. They're the people global brands ring when … though: this is not a role for someone who stopped writing code five years ago and now lives in spreadsheets. Our client needs a principal who's still very much hands on, who can sit at the bench with a debugger and a scope one day, then stand ...

Principal Embedded Software Engineer

Hiring Organisation
KO2 Embedded Recruitment Solutions LTD
Location
Cramlington, North East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Salary
£80,000
Principal Embedded Software Engineer Northumberland + Hybrid WFH £70,000 to £80,000 plus benefits Our client designs, develops and manufactures advanced robotics, automation and electro mechanical machines for some of the most ambitious technology businesses in the world. They're the people global brands ring when … though: this is not a role for someone who stopped writing code five years ago and now lives in spreadsheets. Our client needs a principal who's still very much hands on, who can sit at the bench with a debugger and a scope one day, then stand ...

Principal Software Engineer Engineering Belfast / Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
stronger customer proposition and a new revenue stream, while asset owners see better returns and the grid gets more flexibility. The role As a Principal Software Engineer you are the senior technical authority for one or more of Joulen's product domains, sitting between Senior Engineer and Head of Engineering on our Software Engineer career track. You set the design principles, delivery strategy and operational standards for your domain, and you work with the other Principals & Head of Engineering to shape how engineering works across Joulen. You stay hands-on: you pair, write ...

Principal Security Software Engineer

Hiring Organisation
HP
Location
Cambridgeshire, United Kingdom
Employment Type
Full Time
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

Hiring Organisation
Morson Edge
Location
Cowes, Isle of Wight, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Annual
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 Software Engineer (Safety-Critical)

Hiring Organisation
Spectrum IT Recruitment Limited
Location
South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
looking for an experienced Principal Software Engineer to join a growing technology business developing complex autonomous systems. Reporting directly to the CTO, you'll combine hands-on engineering with technical leadership, shaping architecture, supporting engineers and facilitating Scrum delivery. Experience developing software in mission-critical … safety-critical real-time environments is essential. Ideally, you'll bring experience in autonomous systems, robotics or flight software, within aviation, aerospace, drones/UAVs, autonomous vehicles, MOD/defence or similar. This role could also be suited to Quant Engineers with experience working across real-time systems. Location ...

Principal Embedded Software Engineer

Hiring Organisation
Platform Recruitment
Location
CB24 6DF, Milton, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £85000/annum
Principal Embedded Software Engineer | £70-85k + Bonus | Cambridge This is an opportunity to join a market-leading communications technology company developing mission-critical comms systems. You will take technical ownership of embedded application software development across Linux and Android platforms, helping deliver the next … generation of technology that underpins secure communications. Responsibilities: Designing, developing and testing embedded application software across Embedded Linux and Android platforms. Leading software component activities including architecture, task planning, technical reviews and integration testing. Developing new application features whilst maintaining and enhancing existing software components. Translating complex ...

Principal Software Engineer

Location
Manchester, England, United Kingdom
Role: Principal Software Engineer Locations: Leeds (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS … with the communities in which we work and live. It is personal to all of us." – Julie Sweet, Accenture CEO As a team: Accenture Software & Platform Engineering is over 1,000 people strong and provides end-to-end product engineering solutions which deliver tangible value, fast. We bring together ...

Principal Software Engineer

Hiring Organisation
Cathcart Technology
Location
Manchester, United Kingdom
Employment Type
Permanent
Principal Java Engineer (Hands-On) £70,000 - £85,000 + Bonus + Excellent Benefits Hybrid - 1 Day Per Week Onsite in South Manchester Java | Spring Boot | AWS | Technical Leadership Please note: Visa sponsorship is not available for this position. We're working with an established technology business … South Manchester who are looking to appoint a Principal Java Engineer to play a key role in the continued development of their software platforms and engineering teams. This is an opportunity for an experienced Java Engineer who enjoys technical leadership but doesn't want to move ...

Senior/Principal Software Engineer

Location
Cheltenham, England, United Kingdom
Senior/Principal Software Engineer Application Deadline: 30 October 2026 Department: Software Engineering Employment Type: Permanent Location: Cheltenham (Hybrid) Compensation: £70,000 - £100,000/year Description Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. This role also … kind that have to be secure, scalable, and actually usable by the people who rely on them. We’re looking for Senior and Principal Engineers who want to shape meaningful systems, influence technical direction, and work alongside capable people who care about doing the job properly. You’ll help ...

Senior Principal Software Engineer - Flight Control

Location
Tewkesbury, England, United Kingdom
leading aerospace technology company in Tewkesbury is seeking an experienced Senior Principal Software Engineer to drive software development for advanced flight control and actuation systems. This hybrid role requires over 15 years in software engineering, in-depth expertise in safety-critical software, and proficiency ...

Senior Principal Software Engineer - Flight Control

Location
Wolverhampton, England, United Kingdom
leading aerospace technology company in Tewkesbury is seeking an experienced Senior Principal Software Engineer to drive software development for advanced flight control and actuation systems. This hybrid role requires over 15 years in software engineering, in-depth expertise in safety-critical software, and proficiency ...

Principal Software Engineer

Hiring Organisation
AALTO
Location
Farnborough, United Kingdom
Employment Type
Permanent Contract, Full Time, Hybrid
Join AALTO in Farnborough as Principal Software Engineer, developing safety-critical embedded software that powers Zephyr and unlocks the potential of Stratospace. AALTO, a global leader in Stratospace. Based in Farnborough, AALTO is an Airbus subsidiary that manufactures, operates, and delivers services with its solar-powered … part of a highly-skilled, innovative and passionate group of people – Team AALTO. Together, we can Unlock Stratospace. Design, develop, test and maintain embedded software for airborne systems, primarily using C, with C++ and Python where appropriate. Contribute across requirements, architecture, detailed design, implementation, integration, verification and certification support. ...

Principal Software Engineer

Location
Manchester, England, United Kingdom
Role: Principal Software Engineer Locations: Leeds (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS ...

Principal Software Engineer

Location
Leeds, England, United Kingdom
Description Role: Principal Software Engineer Locations: Leeds (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS … communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO Job Qualifications As a team: Accenture Software & Platform Engineering is over 1,000 people strong and provides end-to-end product engineering solutions which deliver tangible value, fast. We bring together ...

Principal Software Engineer - Java

Location
Glasgow, Scotland, United Kingdom
Principal Software Engineer (Executive Director) at JPMorganChase within Finance Technology, you provide expertise and engineering excellence as an integral part of an agile team to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Leverage your advanced technical capabilities … into setting technical direction , design reviews and defining how teams build & utilizes the solutions. Job responsibilities Creates complex and scalable coding frameworks using appropriate software design frameworks Defines and leads multiple technology and process implementations across groups to achieve firmwide technology objectives, working in a matrix model Produces architecture ...

Technical Lead / Principal Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Technical Lead/Principal Software Engineer - Full Stack & AI Belfast | Hybrid | Up to £67,000 + annual bonus MCS Group is delighted to be exclusively working with an established organisation to recruit a hands‐on Technical Lead for a team developing a cloud‐based software product. … team develop effective agentic workflows. This is a technical leadership position with no direct line management responsibility. About you You’ll bring: Significant commercial software development experience, including technical leadership. Strong React skills and backend development experience with TypeScript or Python. Experience delivering cloud-based applications and working with ...

Principal Software Engineer

Hiring Organisation
AALTO
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Join AALTO in Farnborough as Principal Software Engineer, developing safety-critical embedded software that powers Zephyr and unlocks the potential of Stratospace. AALTO, a global leader in Stratospace. Based in Farnborough, AALTO is an Airbus subsidiary that manufactures, operates, and delivers services with its solar-powered ...

Principal Software Engineer - Remote, AI-Driven Impact

Location
Belfast City District, Northern Ireland, United Kingdom
Group in Northern Ireland is establishing a new engineering presence and seeks a Principal Software Engineer who enjoys building software, solving complex problems, and leveraging modern AI tools to improve workflows. This senior Individual Contributor role offers genuine ownership, technical autonomy and a chance to shape ...

Principal Software Engineer – Hybrid, Cloud & Microservices

Location
City of Edinburgh, Scotland, United Kingdom
McNally Recruitment Ltd is seeking a Principal Engineer to join a large UK client in Edinburgh or London, with 6 days in the office per month and the rest remote. You will design and engineer software with customer experience at the forefront, contribute to architecture … engineering excellence, and collaborate to enhance the bank's software capabilities. You will lead engineering teams, drive architecture roadmaps, and deliver end-to-end solutions leveraging Java, Spring Boot, ReactJS and #J-18808-Ljbffr ...

Principal Software Engineer

Location
Tipton, England, United Kingdom
Company cultures & job summary Our client is looking for a Principal Software Engineer to join their Cyber business unit working on advanced cryptographic and key management solutions for defence customers. You'll need strong embedded or application software development experience, particularly in C and C++, along … with a solid grounding in best practice software development lifecycles. Working Patterns and location – Fully on site #J-18808-Ljbffr ...

Principal Software Engineer

Location
Greater Manchester, England, United Kingdom
client, a leading UK insurance and technology organisation, is seeking a Principal Software Engineer to provide technical leadership across complex enterprise platforms and customer-facing solutions. This permanent role offers a hybrid working pattern, with two days per week based in an office in London, Bournemouth … Stockport, alongside flexible working arrangements. Key Responsibilities: Lead software delivery across the full development lifecycle, ensuring applications are designed, built, tested, released and supported to high standards Provide strategic technical leadership across engineering teams and contribute to architecture decisions and technical direction Design and deliver integrated solutions across ...

Principal Software Engineer - Crypto & Key Mgmt (On-Site)

Location
Tipton, England, United Kingdom
Datasource Computer Employment Limited seeks a Principal Software Engineer to join its Cyber business unit, developing advanced cryptographic and key management solutions for defence customers. The role requires strong embedded or application software development experience in C and C++, with a solid grounding in best practice … software development lifecycles. Working patterns are fully on site in the United Kingdom, offering a challenging environment across security-focused projects and modern #J-18808-Ljbffr ...