1 to 25 of 27 Principal Software Engineer Jobs in the South East

Principal Software Engineer

Hiring Organisation
Gregory Martin International Limited
Location
Cosham, Portsmouth, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
Principal Software Engineer Location: Portsmouth with a hybrid working ( 3 days in the office) Salary: From £60K - £80K, depending on experience, many benefits including pension, 25 days holiday and life insurance. Our client is a growing software and data science consultancy, The team is dedicated … delivering high-quality, end-to-end software and data science services. This role offers the opportunity to work across multiple sectors, including defence, energy, transport, and health, and contribute to the development of cutting-edge solutions. Our client is looking for Principal C++ Software Engineers with ...

Principal Software Engineer - Python

Hiring Organisation
Parent TEST TJ Company 1
Location
Eastleigh, Hampshire, South East, United Kingdom
Employment Type
Permanent
Principal Software Engineer - Python Title: Principal Software Engineer Python Department: Procode IT Location: Hybrid Commutable distance of either Chandlers Ford or Oxford Salary: Circa £65k + Discretionary Bonus Scheme Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python - powered solutions that make a real impact to customers, then this might be the role for you! Step into a role where your technical vision truly shapes the future! About ...

Principal Software Engineer

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
Principal Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently and in small teams. The Role: As a Principal Software Engineer, you will play a major role in leading and developing software engineering in the Software Modelling and Simulation ...

Principal Software Engineer - Python

Hiring Organisation
Parent TEST TJ Company 1
Location
Eastleigh, Hampshire, UK
Employment Type
Full-time
Principal Software Engineer - Python Title:Principal Software Engineer Python Department:Procode IT Location:Hybrid Commutable distance of either Chandlers Ford or Oxford Salary:Circa £65k +DiscretionaryBonus Scheme Sponsorship:Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and... LFWQ1_UKTJ ...

Principal Software Engineer - Python

Hiring Organisation
17918
Location
Eastleigh, Hampshire, United Kingdom
Principal Software Engineer - Python Title: Principal Software Engineer Python Department: Procode IT Location: Hybrid Commutable distance of either Chandlers Ford or Oxford Salary: Circa £65k + Discretionary Bonus Scheme Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and... WKCL1_UKTJ ...

Principal Software Engineer - Python

Hiring Organisation
Parent TEST TJ Company 1
Location
Eastleigh, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Principal Software Engineer - Python Title: Principal Software Engineer Python Department: Procode IT Location: Hybrid Commutable distance of either Chandlers Ford or Oxford Salary: Circa £65k + Discretionary Bonus Scheme Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and click apply for full job details ...

Principal Software Engineer

Hiring Organisation
Jonathan Lee Recruitment Ltd
Location
Maidenhead, Woolley Green, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
Step into a world where innovation meets impact. This Principal Software Engineer role offers you the chance to be a part of cutting-edge defence technology, driving advancements that redefine security and protect lives. Working in a dynamic and collaborative environment, you'll lead projects that make … scheme. If you're ready to shape the future of defence systems by leading the design, architecture, and delivery of secure embedded and application software within advanced cyber and defence programmes. You’ll work across the full software lifecycle—from requirements and system design through to implementation, testing ...

Principal Embedded Software Engineer

Hiring Organisation
Verso Recruitment
Location
Fareham, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 – £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanced technology company based in Fareham, Hampshire is looking to recruit a Principal Embedded Software Engineer to join its growing … engineering team. This is a senior-level opportunity for an experienced engineer to lead the development of embedded software and algorithms, working across the full product lifecycle while mentoring engineers and driving technical excellence. The Role As a Principal Embedded Software Engineer, you will take ...

Senior/Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Rochester, England, United Kingdom
Senior/Principal Software Engineer – Rochester, Kent (Onsite) Salary: Up to £65,000 per annum, depending on experience. Role Overview As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety‐critical systems. Your responsibilities include … developing drivers, protocols, and human‐machine interfaces, providing technical direction, and ensuring robust, certifiable solutions throughout the full software lifecycle. You will define system and software architectures, drive integration, verification, and validation, and serve as a mentor and technical leader to fellow engineers. Engaging with customers and stakeholders ...

Principal Software Engineer

Hiring Organisation
FBI &TMT
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
client, a global leader in radiation detection and identification within the technology sector, is currently seeking a Principal Software Engineer to join their team in the UK. This permanent, full-time position offers the exciting opportunity to work on cutting-edge projects, driving both innovation and excellence … within the software engineering department. Key Responsibilities: Work on the most complex and mission-critical projects Collaborate with stakeholders, including customers, to develop and maintain software Assist the software engineering manager in requirements management, estimation, and planning Focus on high-level architecture and long-term technical strategy ...

Principal Software Engineer

Hiring Organisation
Copello
Location
Maidstone, Kent, United Kingdom
Employment Type
Permanent
Salary
£58000 - £65000/annum
Senior/Principal Software Engineer Location: Kent (Onsite) 4 days per week. Salary: Up to £65,000 depending on experience Due to the nature of the work, applicants are required to obtain security clearance and must be a sole British national. Copello is working with a leading … engineering, and technology organisation is seeking Senior/Principal Software Engineer to join its growing team developing advanced, safety-critical systems. This is an opportunity to work on highly complex products within a regulated environment, contributing to the design, development and delivery of cutting-edge software ...

Principal Software Development Engineer

Hiring Organisation
Jobleads-UK
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

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
Principal Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. We are looking ...

Principal Software Engineer

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, UK
Principal Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. We are looking ...

Principal Software Engineer

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
Principal Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. We are looking ...

Principal Embedded Software Engineer

Hiring Organisation
Verso Recruitment
Location
Fareham, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 - £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanced technology company based in Fareham, Hampshire is looking to recruit a Principal Embedded Software Engineer to join its growing ...

Principal Software Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Southampton, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum Private Healthcare + Pension
Lead Software Engineer £75,000 to £85,000 + Private Healthcare + Enhanced Pension Southampton (Hybrid, 4 days per week in the office) Are you a senior software engineer looking to take end to end ownership of a complex, real-time distributed platform that integrates directly … with mission-critical hardware used in security and critical infrastructure environments? This is a principal-level technical role within a specialist engineering business developing a real-world platform that ingests, processes and surfaces live telemetry from radiation detection systems deployed in highly sensitive locations. The software underpins real ...

Principal Software Engineer C++ / Unreal / Defence

Hiring Organisation
Talent Locker
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
Principal Software Engineer Portsmouth | Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits Want to work on groundbreaking projects within the defence industry? Are you a hands-on technical leader with strong C++ and Unreal Engine expertise and want to work at the forefront … complex, performance-critical software delivery within defence? The role combines advanced engineering with genuine technical authority, shaping how simulation-driven and autonomy-focused systems are designed, built and evolved. The position sits within a fast-growing software and data science consultancy delivering end-to-end solutions ...

Principal Software Engineer C++ / Unreal / Defence

Hiring Organisation
17918
Location
Portsmouth, Hampshire, United Kingdom
Principal Software Engineer Portsmouth Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits Want to work on groundbreaking projects within the defence industry? Are you a hands-on technical leader with strong C++ and Unreal Engine expertise and want to work at the forefront … complex, performance-critical software delivery within defence? The role combines advanced engineering with genuine... CRWG1_UKTJ ...

Principal Software Engineer, Policy Platform & AI

Hiring Organisation
Jobleads-UK
Location
Bracknell, England, United Kingdom
Menlo Security is looking for a Principal Software Engineer I to join their R&D Policy Team in Bracknell, England. This role involves owning the full lifecycle of their cybersecurity policy platform, leading architectural design, and mentoring engineers. The ideal candidate will have over 8 years ...

Principal Software Engineer

Hiring Organisation
Pro Contract Jobs Ltd
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£74 per day
Software Test Engineer - SC Cleared - Luton Our client is looking for an experienced Software Test Engineer to support the delivery of current and future programmes. This role provides an opportunity to work on the latest technology within a mature development environment. Your Role Create test cases ...

Principal Software Engineer

Hiring Organisation
17918
Location
Southampton, Hampshire, United Kingdom
client, a global leader in radiation detection and identification within the technology sector, is currently seeking a Principal Software Engineer to join their team in the UK. This permanent, full-time position offers the exciting opportunity to work on cutting-edge projects, driving both innovation and excellence … within the software engineering department. Key Responsibilities: Work on the mos... CRWG1_UKTJ ...

Principal Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
shaping architecture, improving products and unblocking delivery. Solve complex engineering problems and drive best practice across the organisation. Requirements 5+ years' experience as a Principal Software Engineer (or similar) in an enterprise environment. Proven track record leading across multiple engineering teams and specialties. Experience with Event-driven ...

DevOps Software Engineer (Senior - Principal)

Hiring Organisation
Jobleads-UK
Location
Abingdon, England, United Kingdom
DevOps Software Engineer (Senior - Principal) Location: Abingdon, Oxfordshire, UK We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience … world’s largest providers of products and services to the global energy industry. Job Duties We are actively seeking a Mid‐Level DevOps Engineer to join our Technical Solutions Team, which is responsible for implementing the delivery platform across the Neftex® subsurface evaluation product portfolio. This role is ideal ...

DevOps Software Engineer (Senior - Principal)

Hiring Organisation
Jobleads-UK
Location
Abingdon, England, United Kingdom
world’s largest providers of products and services to the global energy industry. Job Duties We are actively seeking a Mid‐Level DevOps Engineer to join our Technical Solutions Team, which is responsible for implementing the delivery platform across the Neftex® subsurface evaluation product portfolio. This role is ideal … maintain automation scripts for infrastructure provisioning, configuration, and deployment. Create operational tooling and scripts to streamline monitoring, logging, backups, and incident response. Collaborate with software engineers to ensure integration between application code and infrastructure. Monitor system performance, availability, and reliability using appropriate tools and metrics. Troubleshoot and resolve infrastructure ...