15 of 15 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
£65,000 - £85,000 per annum
Principal Software Engineer – C++ Salary - £65K-£85K negotiable depending on experience plus competitive benefits package including pension, 25 days holiday and life assurance. Location – Portsmouth, Hants, Hybrid Our client is a rapidly growing software and data science consultancy firm, renowned for their reputation and keen ability … understand and meet customer requirements effectively. Their team is dedicated to 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 ...

Principal Software Engineer

Hiring Organisation
Octagon Group
Location
High Wycombe, Buckinghamshire, United Kingdom
Employment Type
Permanent
hiring a Principal Software Engineer to join a global technology business based in Buckinghamshire . The company designs and builds high-precision laboratory instruments used in science, healthcare, and environmental testing Please note: NO SPONSORSHIP IS PROVIDED WITH THIS POSITION What You’ll Do as a Principal Software Engineer: Lead the design and architecture of software systems across the full stack, from embedded C/C++ firmware controlling hardware to high-level C#/.NET applications. Mentor and guide a multidisciplinary team of software, firmware, and electronics engineers. Apply physics-based thinking ...

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

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
Principal Software Engineer Hours: 40h p/w Location: Hybrid or Remote Salary:60k-70k Build the platforms that power better travel money At eurochange , we're transforming foreign exchange — making it better, simpler and more convenient for millions of customers. Technology is at the heart … that journey, and we're looking for a Principal Software Engineer to help shape the platforms that drive our digital future. This is a senior, hands-on technical leadership role where you'll influence architecture, guide engineering standards, and deliver enterprise-grade solutions that scale with ...

Principal Software Engineer

Hiring Organisation
IO
Location
Abingdon, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
title: Principal Software Engineer Location: Oxford - Hybrid Salary: up to £75,000 Job Type: Permanent Organisation Overview Our Client operates within the high-tech instrumentation sector, specialising in advanced measurement solutions for scientific and industrial applications. Recognised for its innovative approach and commitment to excellence, Our Client … culture that encourages professional development and teamwork. Role Summary Due to ongoing growth and strategic development initiatives, Our Client is seeking an experienced Principal Software Engineer to lead the development of sophisticated software applications and drivers for its range of specialised products. This pivotal role ...

Principal Software Engineer (C++ / Unreal Engine)

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 This Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical … software delivery. 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 across defence, energy, transport and health. ...

Principal Software Engineer (C++ / Unreal Engine)

Hiring Organisation
Talent Locker
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Principal Software Engineer Portsmouth Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits This Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical … software delivery. The role combines advanced engineering with genuine technical authority, shaping how simulation- click apply for full job details ...

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, United Kingdom
Employment Type
Permanent
Salary
GBP 7 Annual
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 click apply ...

Principal Software Engineer

Hiring Organisation
Sirius Digital
Location
Cosham, Hampshire, UK
Description 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. ...

Principal Software Engineer

Hiring Organisation
Electus Recruitment Solutions
Location
Portsmouth, England, United Kingdom
Principal Software Engineer - C++/Unreal | Defence Modelling & Simulation Leading the next generation of synthetic environments for UK Defence. This is a high-impact role for a technical authority to join a consultancy founded by industry experts. You will steer the development of complex digital twins … teams. Commercial Drive: Take ownership of bid management and technical proposal authoring. The Essentials Sole British Nationality is required. Minimum 7+ years’ experience in Software Expert proficiency in C++ and Unreal Engine Proven ability to apply mathematical principles to scientific problem-solving. The Rewards + 7% employer pension. Private ...

Principal Software Engineer

Hiring Organisation
CK Group
Location
High Wycombe, England, United Kingdom
Group are recruiting for a Principal Software Engineer on behalf of an industry leading manufacturer of Scientific Instruments, on a permanent basis. This is an office-based position, located in High Wycombe. The successful candidate will lead the technical direction for Software, Firmware, and ideally Electronics … within the R&D group, and bridge the gap between complex physical principles and robust software architecture. Your responsibilities will include: To lead the architecture and design of software systems across the full stack, from embedded firmware (C/C++) controlling hardware to high-level application software ...

Principal Software Engineer (C++/Unreal)

Hiring Organisation
Electus Recruitment Solutions
Location
Portsmouth, Southwick, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum Healthcare, 7% matched pension, well
Principal Software Engineer This is a pivotal technical leadership role within a rapidly growing consultancy. You will spearhead the design of complex digital twins and synthetic environments, providing high-level strategic advice on innovation to key UK defence stakeholders. The essentials Sole British nationality is required … this position. At least 7+ years of experience in software engineering Proficient in C++ and Unreal 5 Strong background in mathematical principles or statistical problem-solving within scientific fields. Your package A comprehensive private healthcare scheme and health cash plan The work Technical Leadership: Lead ...

Principal Front End Software Engineer

Hiring Organisation
interAct Consulting Limited
Location
Oxford, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £110,000 per annum
Principal Front End Software Engineer with a passion for code, architecture, best practise, and a huge believer in driving what quality engineering looks like required by health tech success story. Working remotely (within UK only) with in person engineering get togethers quarterly (London), we are looking … vastly experienced Front End (JavaScript) Senior Engineer (15+ years experience) who has a wealth of expertise (and war scares to prove). Tech stack is JavaScript, Typescript, React, Azure, SQL, Microservices etc but real key here is someone who relishes tackling and solving engineering problems and more importantly, loves ...

Principal Software Engineer

Hiring Organisation
Morson Edge
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£57.72 - 78.70 per hour + None
Contract Software Engineer (Ada) – Real-Time Embedded Location: Luton (Hybrid – ~4 days on-site) Contract Length: 12 months IR35: Inside IR35 Rate: £57.72 p/h PAYE (£66.11p/h inc. holiday rate) OR £78.70 p/h Umbrella We seek an engineer with recent high-integrity … industry experience (defence, aerospace, or similar), or eligible for UK security clearance. The Opportunity We're looking for an experienced real-time embedded Ada engineer to work on mission-critical defensive systems within a highly technical electronic warfare environment. This is a hands-on role developing, integrating, and testing ...