Overview In this Principal Software Engineer role, you will shape the multi-year platform engineering roadmap and architectural strategy to deliver scalable, secure infrastructure for customer-focused fintech products. You’ll mentor engin...Read More>>.

Overview In this role you lead the design and delivery of scalable, secure Salesforce solutions for a global asset management platform. You will drive engineering standards, complex integrations, and DevOps maturity while mentoring engineer...Read More>>.

Overview In this role you will help build a scalable technology platform powering Autotrader and external automotive data sources. You will work with a cross-functional team to improve service availability and latency, ensuring sub-100 ms r...Read More>>.

Overview In this Staff Engineer role, you lead quality assurance and validation for Arm Neoverse-based platform software and firmware, spanning pre-silicon to production. You drive end-to-end testing, define validation strategies, and eleva...Read More>>.

Overview In this role you will lead the integration of Arm graphics and compute technologies into game engines and production workflows. You’ll work across Unreal Engine and other engines, prototype options, and guide reusable implementat...Read More>>.

Energy Trading - Principal Software Engineer London About Indicium AI Indicium AI is trusted by the world's leading enterprises to deliver AI into production at scale. We are a global AI-native consultancy with pro...Read More>>.

A leading technology firm in Greater London is seeking a Principal Software Engineer to design, develop, and maintain critical infrastructure. This role involves ownership of team deliverables, collaboration with external partners, and mentoring engi...Read More>>.

A leading consulting firm in Milton Keynes is seeking a Lead Principal Consultant for a contract role in Government, Defence & Security. The ideal candidate will have expertise in C# .NET Core or C++, along with experience in AWS, Docker, and securit...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>>.

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>>.

Principal Software Engineer - SoC SW Productisation Job Overview Arm is redefining what is possible in cloud and data center computing. Our Neoverse platforms are helping power a new era of infrastructure - combining advanced...Read More>>.

Date Posted: 2026-03-17 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: OnsiteRaytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Glouce...Read More>>.

Why Technology at loveholidays? At loveholidays - we trailblaze together. We’re on a mission to open the world to everyone, giving our customers’ unlimited choice, unmatched ease and unmissable value for their next getaway....Read More>>.

Contract Software Engineer (C# .NET) Location: Luton (Hybrid: 4 days on-site, 1 day remote) Contract: 12 months IR35: Inside IR35 Security Clearence: Full UK SC required Rate:...Read More>>.

We are excited you have visited our Careers page. We are seeking talented individuals that are excellent in their field of expertise and are posed with all potential and skills necessary to help us meet future business challenges. Positi...Read More>>.

Meet the Team Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network - even the ones they don’t own. Powered by AI and an unmatched set o...Read More>>.

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 for candidates with...Read More>>.

This is a hybrid position with 2 days a week in our office in ManchesterThe Principal Engineer is the most senior individual contributor in engineering, setting technical direction, leading architectural decisions and aligning technology...Read More>>.

Answer Digital is looking to recruit a Principal Software Engineer to play a pivotal role in shaping how we deliver our large-scale, operationally critical projects. This is a senior leadership opportunity for someone who wants to help s...Read More>>.

Principal Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: Head of Engineering Description Defaqto is one of...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>>.

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, con...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework)Principal Software Engineer C++ (Cloud Video Framework)Contract: Full-Time, PermanentWorking Location: Hybrid, 2 Days a week in the office, minimum...Read More>>.

Palo Alto Networks is seeking a Senior Principal Software Engineer to shape the architecture of our cloud platform and drive end-to-end security for global services. You will lead hands-on engineering across Go, Node.js, and Python, collaborating...Read More>>.

Responsibilities Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion of milestones associated with your project Contribu...Read More>>.

Job 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 technica...Read More>>.

Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. Developing next-generation physiological monitoring solutions, the business is transitioning from advanced product de...Read More>>.

Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. Developing next-generation physiological monitoring solutions, the business is transitioning from advanced product...Read More>>.

We are looking for a Principal Software Engineer to join the team. This role is central to ensuring the reliability, performance, and scalability of systems vital for public safety and essential services. You will act as a technical leader, men...Read More>>.

1 day ago Be among the first 25 applicants Company Description General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missio...Read More>>.

Join to apply for the Principal Software Engineer role at Northrop Grumman UKJoin to apply for the Principal Software Engineer role at Northrop Grumman UKGet AI-powe...Read More>>.

principal software engineer – backend servicesYou’ll be working in a team of backend engineers across MPG to drive the delivery and deployment of backend services for industry-leading game projects. You will act as a key engineering c...Read More>>.

Location: Portsmouth with a hybrid working modelHours: Full timeSalary: From £65,000 but negotiable, depending on experience. The role comes with a competitive benefits package including pension (7% company c...Read More>>.

2 days ago Be among the first 25 applicantsThis range is provided by Holt Executive Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the...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...Read More>>.

Oliver Wyman is a global leader in management consulting. With offices in more than 70 cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organizati...Read More>>.

Unily Lower Eashing, England, United KingdomJoin or sign in to find your next jobJoin to apply for the Principal Software Engineer role at UnilyUnily Lower Eashing, England,...Read More>>.

Job DescriptionThe 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 In...Read More>>.

The Citation Group in the United Kingdom is seeking a hands-on software engineer to contribute to a major platform transformation. You will own features end-to-end, shaping the way we build, test, and deliver software with an AI-native approach....Read More>>.