1 to 25 of 76 Remote/Hybrid Principal Software Engineer Jobs in the UK excluding London

Principal C++ Software Engineer

Hiring Organisation
Technical Futures Ltd
Location
CB10, Great Chesterford, Essex, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum Hybrid + Priv Medical + 7% Pension
Principal Software Engineer with extensive experience of Object-Orientated software design with C++ on Windows platforms and who has strong Mathematical skills will take ownership of key product developments working with cutting edge radar hardware for a thriving Technology Company with a focus on the design … processing, distribution and display systems. Competitive Salary package and Hybrid working. Bringing a strong academic history with an Engineering or Science Degree with a software bias, the successful Principal Software Engineer with have proven experience of leading project teams with the capability to deliver significant software ...

Principal Software Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
PRINCIPAL SOFTWARE ENGINEER Salary up to £90,000 Hybrid working - 2 days per week in a Liverpool city centre office Opportunity to shape a brand-new platform and influence engineering strategy Work within a senior, AI-first engineering environment KEY POINTS Principal-level position with significant … investing heavily in the future of its engineering function. Following continued growth and a major platform transformation programme, they are looking to appoint a Principal Software Engineer to play a key role in defining both the technical direction and engineering culture of the business. This ...

Principal Software Engineer / Senior Full-Stack Software Engineer

Location
Manchester, England, United Kingdom
Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity to focus on technical work or have … people management focus - guiding and developing our more junior members of the team. Either way, you'll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Due to the interesting work ...

Principal Software Engineer

Location
Cheltenham, England, United Kingdom
Principal Software Engineer 2026-09-10T00:00:00 Cheltenham Gloucestershire GB GL50 3 Any 2026-12-09T21:09:48.41 hackajob is partnering directly with Raytheon UK to hire for this role. Date Posted: #####-08-13 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role … Type: Onsite Principal Software Engineer Location: Gloucester Permanent Onsite/Hybrid (min 3 days a week on site) Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing and eligible to hold ...

Senior/Principal Software Engineer

Hiring Organisation
Matchtech
Location
Kent, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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

Hiring Organisation
Matchtech
Location
Sittingbourne, Kent, United Kingdom
Salary
£ 70 K
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 … stakeholders, you 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 (DevSecOps)

Location
Luton, England, United Kingdom
## Principal Software Engineer (DevSecOps)Applylocations: GB - Luton - Cap. Green 300: GB - Edinburgh: GB - Lincoln: GB - Southampton: GB - Basildontime type: Full timeposted on: Posted Todayjob requisition id: R0031286**Job Description:*****Salary Range:** £54,000 - £70,000**Leonardo UK operates a grade-based salary framework with broad bands. … benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.***Your Impact**As a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software across Leonardo's defence ...

Principal Software Engineer: Contract - West Midlands/Hybrid

Hiring Organisation
Adecco
Location
West Midlands, United Kingdom
Employment Type
Contract
Principal Software Engineer: 6 Month Contract - West Midlands/Hybrid Type:6 Month Contract Day Rate: Market Rates (Outside IR35) Location: West Midlands/Hybrid Start: ASAP We are seeking a Principal Software Engineer who is passionate about crafting exceptional software solutions. This … incredible opportunity to join a dynamic team that thrives on creativity, collaboration, and continuous improvement. Key Responsibilities: *Lead the design and architecture of complex software systems, ensuring scalability, performance, and security across development function. *Mentorship: Provide mentorship and guidance to a talented team of engineers, fostering a culture ...

Principal Software Engineer (AI)

Location
Oxford, England, United Kingdom
Principal Software Engineer (AI) Department: Tech - AI and Data Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to considering candidates who require visa sponsorship (subject to eligibility and company approval) Aurora helps governments, investors, and utilities make billion-dollar … decisions on the journey to net-zero. Based in Oxford, you will work in a dynamic and growing engineering organisation that builds cloud-based software to track and model power grids around the world. As a Principal Software Engineer on the AI team you will build ...

Principal Software Engineer (AI/ML)

Location
Luton, England, United Kingdom
## Principal Software Engineer (AI/ML)Applylocations: GB - Luton - Cap. Green 300: GB - Edinburgh: GB - Lincoln: GB - Southampton: GB - Basildontime type: Full timeposted on: Posted Todayjob requisition id: R0031288**Job Description:*****Salary Range:** £54,000 - £70,000**Leonardo UK operates a grade-based salary framework with … benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.***Your Impact**Are you a software engineer with a working knowledge of Artificial Intelligence (AI) and Machine Learning (ML)? Are you interested in developing software for some ...

Principal Software Development Engineer

Location
Fareham, England, United Kingdom
Principal Software Development Engineer Design and optimize marine navigation software for embedded hardware systems Location: Fareham, Hampshire, United Kingdom. Job Tags: Software. Job Summary The Principal Software Development Engineer is responsible for designing, implementing, and supporting Raymarine's Lighthouse operating system and applications … Raymarine's proprietary chartplotter line of hardware. The Principal Development Engineer will work closely with Cartography and Software Engineering teams in Fareham UK and Madison Wisconsin USA, with opportunities for collaboration with engineering teams in Europe and Asia. This role is onsite at the Raymarine facility ...

Principal Software Engineer – Test Environments (GCAP)

Location
Luton, England, United Kingdom
## Principal Software Engineer – Test Environments (GCAP)Applylocations: GB - Luton - Cap. Green 300: GB - Edinburgh: GB - Lincoln: GB - Southampton: GB - Basildontime type: Full timeposted on: Posted Todayjob requisition id: R0031290**Job Description:*****Salary Range:** £54,000 - £70,000**Leonardo UK operates a grade-based salary framework with … within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.***Principal Software Engineer – Test Environments (GCAP)****Your Impact**Can you develop Test Environments for a complex aerospace programme, from strategy through to implementation ...

Principal Software Engineer

Location
Manchester, England, United Kingdom
Posted: 2026-03-17 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Onsite Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity to focus on technical work or have a mixture of technical focus and people management focus – guiding and developing our more junior members of the team. Either way, you will be part of our experienced software dev function, working in a cross ...

Principal Embedded Software Engineer

Hiring Organisation
ZENOVO LTD
Location
Bristol Area, South West, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, United Kingdom
Salary
£ 80 K
Type: Full timeDate Posted:2026-06-24Country:United KingdomLocation:Manchester, LancashirePosition Role Type:OnsiteRaytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern.As Principal Software Engineer … people management focus - guiding and developing our more junior members of the team. Either way, you'll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas.Due to the interesting work ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 80 K
Type: Full timeDate Posted:2026-06-24Country:United KingdomLocation:Manchester, LancashirePosition Role Type:OnsiteRaytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern.As Principal Software Engineer … people management focus - guiding and developing our more junior members of the team. Either way, you'll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas.Due to the interesting work ...

Principal Embedded Software Engineer

Location
Coventry, England, United Kingdom
Role Purpose We require a skilled Embedded Software Engineer to design low level embedded software for our wide range of customer applications focussed on electrification, including battery management, power conversion and electric vehicle control systems. The successful candidate will be a key member of the software and controls team. They will develop software solutions, drive processes and tools as well as quality standards. They will work with the wider multi-disciplinary engineering team to support the delivery of effective engineering solutions. This is a hands‐on role for an engineer who enjoys designing ...

Principal Software Engineer

Location
Portsmouth, England, United Kingdom
inhouse courses. You will have exposure to subject matter experts and additional online learning packages. The Role: Sirius Digital are a rapidly growing software and data science consultancy firm, renowned for our reputation and our keen ability to understand and meet customer requirements effectively. Our team is dedicated … delivering high-quality, end-to-end software and data science services. This role offers the opportunity to work with these teams to operate across multiple sectors, including defence, energy, transport and health, and contribute to the development of cutting-edge solutions. We are looking for principal software ...

Principal Software Engineer

Location
Basildon, England, United Kingdom
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 technical work within our Integrated Sensors & Protection line of business, working on a range … defence projects. Direct industry experience is not required; we are happy to explore all backgrounds and help develop all our software engineers. What you will do: We want to develop a new generation of features and capabilities using innovative software solutions and we need you to create them. ...

Principal Software Engineer

Location
Basildon, England, United Kingdom
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 technical work within our Integrated Sensors & Protection line of business, working on a range … defence projects. Direct industry experience is not required; we are happy to explore all backgrounds and help develop all our software engineers. What you will do: We want to develop a new generation of features and capabilities using innovative software solutions and we need you to create them. ...

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
Matchtech
Location
Coventry, West Midlands, Allesley, West Midlands (County), United Kingdom
Employment Type
Contract
client is seeking a Principal Embedded Software Engineer to join its engineering team, developing low-level embedded software for electrification applications including battery management, power conversion and electric vehicle control systems. This Contract role offers the opportunity to provide technical leadership while delivering robust software for high-integrity, real-time systems. Key Responsibilities: Lead the design, implementation and testing of embedded software platforms for real-time microcontroller systems Develop low-level and application-level software using C, C++ and assembly Design modular, scalable and reusable software components, including device drivers, communication ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
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 Embedded Software Engineer

Hiring Organisation
Verso Recruitment
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£65,000
Title: Principal Embedded Software Engineer Location: Newcastle-Upon-Tyne, Hybrid (3/2) Salary: £60-70K + bonus We're looking for an experienced Principal Embedded Software Engineer to lead firmware development and drive delivery of embedded products . You'll manage … real-world embedded systems challenges (IoT, wireless, medical devices, etc.) Work alongside engineers who care about doing things right About You You're an engineer who cares about quality . You've shipped products , led projects , and understand what makes robust embedded systems. You're not afraid to challenge ...

Principal Embedded Software Engineer

Hiring Organisation
Intellectual Capital Resources
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
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 ...