Title: Principal Software EngineerRole: Distributed Systems & CommunicationsLocation: CambridgeshireSalary: £60-£80kPlatform Recruitment has par...Read More>>.

PRINCIPAL SOFTWARE ENGINEER – V06450Role Description Provide technical expertise across the software team for the requirements, design, implementation, testing and verification of the software subsystems on Na...Read More>>.

Principal Software Engineer (Contract) - Naval RadarBAE Systems (Defence Solutions) | Cowes, Isle of Wight | 6 months | Inside IR35BAE Systems (Defence Solutions) i...Read More>>.

ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You’ll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With tools that amplify your impact...Read More>>.

Selection changes the language of the page/contentPrincipal Software Engineer - Software ArchitectureLondon, England, United Kingdom Software and ServicesImagine what you could do here. At Apple, new ideas have a way of beco...Read More>>.

Our MissionAt Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real‑world problems with cutting‑edge technology and bold thi...Read More>>.

Palo Alto Networks is seeking a highly experienced Principal Software Engineer to join our team in a role focused on building secure, scalable backend systems. You will own features end-to-end across Python, Go, and C++, within an AWS-native SaaS...Read More>>.

ZoomInfo is accelerating careers with a fast-paced, bold culture. We are seeking a Principal Software Engineer to own features across the full stack—from React frontends to backend APIs and cloud infrastructure—while shipping fixes for product...Read More>>.

Principal Software Engineer – Agentic EngineeringUsing AI and agentic engineering to modernise complex legacy software, and fundamentally change how engineering teams build software.This isn't a traditional software eng...Read More>>.

Dex is seeking a principal-level engineer to co-own the roadmap with product, drive architecture, and operate what you build in production. You will own end-to-end development of mission-critical REST APIs powering global tax compliance for enter...Read More>>.

Job DetailsRole: Principal Software Engineer Locations: Manchester (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) A...Read More>>.

SummaryImagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. You bring passion and dedication to your job and there's no telling what you c...Read More>>.

Principal Software Engineer, Load Balancer - Isovalent Remote Europe Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisco Isovalent builds open-source software and enterprise solutions so...Read More>>.

At lowRISC we believe that open source development can transform the semiconductor industry. To help achieve this vision of production‑ready, commercial‑grade chips and silicon building blocks, we employ a software team with a wide range of...Read More>>.

Accenture Manchester is seeking a Principal Software Engineer with strong leadership to drive backend services and cloud-native solutions across UK client projects. The role requires hands-on engineering as well as client and team leadership, with...Read More>>.

Role: Principal Software Engineer Locations: Manchester (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Salary: Competitive salary and package (Dependi...Read More>>.

As we continue to accelerate the transformation of our technology and services, we are placing security and compliance at the heart of our engineering and platforms. This is an opportunity to lead at the intersection of infrastructure engineeri...Read More>>.

Principal Software Engineer – Join a growing SaaS scale-upRemote working – once a month onsite in ManchesterWere currently partnered with a fast-growing UK based SaaS scale-up who operate in the B2B marketing...Read More>>.

Location: Farnborough Contract Type: Full Time, Permanent Hours: 37 – Hybrid AALTO, a global leader in Stratospace. Based in Farnborough, AALTO is an Airbus subsidiary that manufactures, operates, and...Read More>>.

Role DescriptionWe’re hiring a Principal Software Engineer to join our App Engineering team and help lead the technical direction of Vortex, our flagship desktop mod manager used by millions of PC gamers. You’ll be one of the most...Read More>>.

At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI‑infused scenario planning and analysis platform so our customers can outpace their competition and the market. What unites An...Read More>>.

Job DescriptionAs we continue to accelerate the transformation of our technology and services, we are placing security and compliance at the heart of our engineering and platforms. This is an opportunity to lead at the intersection of...Read More>>.

Nexus Mods in Exeter seeks a Principal Software Engineer to lead the App Engineering team behind Vortex, our flagship desktop mod manager used by millions. You’ll write production code, shape architecture, and mentor others while solving deep sy...Read More>>.

As we continue to accelerate the transformation of our technology and services, we are placing security and compliance at the heart of our engineering and platforms. This is an opportunity to lead at the intersection of infrastructure engineeri...Read More>>.

We are looking for a Principal Software Engineer to be the technical leader for this critical initiative within our Experience Engineering workstream. You will define the long‑term technical vision and architectural roadmap for adapting our p...Read More>>.

Job Description Salary Range: £54,000 – £70,000 Principal Software Engineer – Test Environments (GCAP) Your Impact Can you develop Test Environments for a complex aerospace programme, from strategy throug...Read More>>.

Prattwhitney is seeking a Principal Software Engineer for a full-time position in Manchester with a hybrid working model. You will design and develop software solutions while mentoring junior team members within our cross-functional team.Th...Read More>>.

Principal Software EngineerSalary: £75,000 – £85,000 + BenefitsLocation: Hybrid 1 day every other week – Milton KeynesWe are currently looking for a Principal Software Engineer to join a growing, technology-led Sa...Read More>>.

We are looking for a Principal Software Engineer (we call them Principal Software Craftspeople) who shares the same values of pragmatism, professionalism and transparency as us to join our team. You'd be utilising your expertise with clients, h...Read More>>.

Anaplan is the leading enterprise decision‑making platform, powering the world’s largest enterprises with its proprietary Hyperblock™ technology and cloud infrastructure. We are seeking a Sr. Principal Engineer to join our team in...Read More>>.

Make The Connection.Vix Technology is a global leader in providing innovative solutions for public transit, believing that accessibility should be a standard. With over 35 years of experience and systems deployed in more than 20...Read More>>.

Vix Technology is seeking a Principal Software Engineer in the UK to drive technical direction across public transit platforms. You will lead architecture decisions, mentor engineers, and ensure scalable, secure software delivering real-world impa...Read More>>.

RoboShadow is a fast-growing UK-based global Cyber Security startup, and we are looking for a hands-on Principal Software Engineer to help us build, improve and scale our engineering function. It is not a traditional Principal Software E...Read More>>.

RoboShadow, a fast-growing UK-based cyber security startup, is seeking a hands-on Principal Software Engineer to lead delivery and technical direction.This is a true player-coach role, not pure management; you will code, review, architect,...Read More>>.

As we continue to accelerate the transformation of our technology and services, we are placing security and compliance at the heart of our engineering and platforms. This is an opportunity to lead at the intersection of infrastructure engineeri...Read More>>.

You’ll be a Technical Leader, unblock the engineering team by resolving complex technical impasses, standardising engineering practices, and owning cross-functional initiatives.You'll still be a highly hands-on engineer, responsible for r...Read More>>.

Cytix is hiring a hands-on Technical Leader who will unblock the engineering team by resolving technical impasses, standardising practices, and owning cross-functional initiatives. You’ll prototype rapidly, ship MVPs, and turn ideas into polishe...Read More>>.

Join to apply for the Principal Software Engineer role at Lloyds Banking Group. Base pay range This range is provided by Lloyds Banking Group. Your actual pay will be based on your skills and experience — talk with...Read More>>.

Principal Software Engineer Based in Bristol Salary up to 70,000 + Bonus + Excellent Benefits Want to work on complex software that sits at the heart of advanced defence systems? We're looking for an experienced Softw...Read More>>.

The Role We’re looking for experienced Principal Software Engineers who enjoy solving complex technical challenges, building scalable systems, and helping engineering teams deliver high-quality software in production environme...Read More>>.

Job Description: Job DescriptionAre you a Real Time Embedded Software Engineer ready to take the next step on your career journey. If you are looking at opportunities for progression, to learn and grow within a supportive enviro...Read More>>.

Salary: £61,000 - 101,000 per year Requirements: 12 years of software engineering experience, including 5 years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable bus...Read More>>.

Principal Software Engineer Date: 2026-09-26T00:00:00 Location: Kingswood, Surrey, GB, KT20 6 Work Type: Any Closing Date: 2026-12-28T19:01:34.117 Job Description Raytheon U...Read More>>.

At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or in...Read More>>.

Our 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...Read More>>.

Salary: £100,000 - 100,000 per yearRequirementsWe require at least 5 years of experience delivering production-grade cloud solutions.We are looking for strong proficiency in Java and experience with JVM-based...Read More>>.

Salary: £45,000 - 80,000 per yearRequirements: Strong software engineering experience in graphics, game engines, systems software, or other real-time applications.Practical experience with Vulkan or another mo...Read More>>.

Principal Software Engineer - Simple MachinesHybrid · Full-time · London, UKAbout Simple MachinesSimple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney...Read More>>.

Company DescriptionWork with Us. Change the World.At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, o...Read More>>.

Your new company Join one of the world's leading engineering and design consultancies, delivering innovative transportation and infrastructure projects across Ireland and internationally. Due to continued growth within thei...Read More>>.