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Principal‑level backend engineering experience building and operating large‑scale, high‑performance systems. Proven ability to mentor engineers and raise the technical bar across teams. You will design and evolve core platform capabilities, guide architectural decisions across microservices, a

You would be joining a squad of Principal engineers with different expertise that serves as a centre of excellence to the 16+ engineering teams in the wider engineering function. If you are a Front End-leaning Principal engineer who wants to combine your experience in web and AI to help unlock other

Principal Embedded Software Engineer. TalentEdge Technology are looking to hire a Senior Embedded Engineering Leader to take ownership of the firmware stack for a next-generation, AI-enhanced connected music hardware platform. This role is hands-on and deeply technical, suited to an engineer who enj

Requirement for a Principal Software Engineer:. What You’ll Do as a Principal Software Engineer:. Principal Software Engineer in Buckinghamshire,.

The engineering team is responsible for infrastructure that handles high-volume real-time market data and powers critical decision-making for institutional and retail audiences. Polyglot engineering background; strong proficiency in Node.

We’re looking for a senior Front End Software Engineer who can be the technical go-to person in their area, offering guidance, mentorship, and hands-on expertise. This is a chance to make a real impact across multiple products and help influence our engineering direction as we continue to grow. De

We’re partnered with a global leader in loyalty and customer engagement, looking for a Principal AI Engineer to join their London team. Responsibilities as a Principal AI Engineer:. Mentor engineers in ML engineering, orchestration, and modern AI best practices.

Principal Software Engineer (Solutions Architect). You will work with like-minded people from business, product and engineering functions to develop and refine client journeys covering onboarding, KYC, account management and investment workflows in a secure and compliant environment.

There are 7 Software Engineers, an Automation Tester, Scrum Master, DevOps, Infra Engineers and Service Desk Team. With a Data Architect now in place, the focus is to recruit a Technical Lead to lead the software engineering function. Currently the team are transitioning from traditional software ap

Principal Software Engineer – AI & Innovation. Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Oversee code reviews and ensure delivery of high-quality maintaina

As a Principal Software Engineer you will be providing deep technical leadership alongside being extremely hands on as part of a platform team. Principal Engineers will set technical directions, drive engineering standards and strategy while remaining deeply embedded in implementation and operationa

Principal Software EngineerPortsmouth | Hybrid, 3 days onsite£75,000-£85,000 plus bonus and benefitsThis 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 deli

Principal Electronics & Software Product EngineerLocation: Cambridge, CambridgeshireAn exciting opportunity has arisen for a Principal Electronics & Software Product Engineer to join a specialist product design consultancy focused on developing innovative technologies for multinational clients acros

Principal Software Engineer IoT & Full-StackLocation: Hybrid / BicesterType: PermanentSalary: Competitive, market-basedTUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites.

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer.

Principal Software EngineerSalary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insuranceWe are looking for principal software engineers with diverse experience.

Principal Embedded Software EngineerWinfrith, Dorset (hybrid working, 3 days per week onsite) – Permanent vacancyWe are looking for a Principal Embedded Software Engineer to work for our maritime defence client TKMS Atlas across a range of new projects, such as underwater vehicle control systems a

Pektron Group Ltd is searching for aSenior/ Principal Embedded Software Engineerwho will be responsible for writing software for a range of bespoke products. Our Engineering attitude is confident and can do and with solid research and a lot of intuition wenearly alwayssucceedNearl

Were looking for a highly skilled Principal Automation Software Development Engineer in Test (SDET) to lead automation strategy and hands-on development for our next-generation patient monitoring platform. Required: Bachelors degree in Computer Engineering, Software Engineering, Computer Science, or

Are you looking for a fantastic Principal Software Engineer opportunity in High Wycombe? If so, my client is currently recruiting for a Principal Software Engineer to join their R&D site in High Wycombe, Buckinghamshire My client design and manufacture a range of products and systems focusing on Ins

Partner with software and cross-functional teams to define system and software requirements for patient monitoring solutions Lead cross-functional reviews of software requirements, architecture, connectivity interfaces, and user interface design Own and drive component-level and system-level archite

A leading fintech scale-up in the UK is seeking a Principal Software Engineer to drive the development of a new credit card product.

They’re now looking for a Principal Software Engineer to provide senior technical leadership across multiple delivery engagements and to help shape how modern software is built, evolved, and maintained. We (SR2) have partnered with this highly regarded cloud and software engineering consultancy th

Architect and implement new software solutions, leading the overall structural design and fostering engineering best practice within a small team. Join the Software Engineering team where you will play a crucial role in developing, enhancing, and transforming our investment reporting platform, Serpe

Member of Technical Staff - Principal Software Engineer. Discipline: Software Engineering. Build the hiring pipelines, onboarding frameworks, or software development best practices as needed to scale an engineering team around you.

Principal Systems Engineer (Software/Simulation) Portsmouth – Broad Oak. Apply the principles of Systems Engineering to develop software‑based Simulation Systems across the full engineering lifecycle. Provide hands‑on technical leadership with a team of systems and software engineers, and dire

A leading autonomous systems company in the United Kingdom is seeking a Principal Software Engineer to lead software development for high-level autonomy capabilities in autonomous vehicles. Candidates should demonstrate problem-solving skills and the ability to manage complex workloads, delivering r

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 bring deep hands-on experience in software engineering, particularly modernisation, with a track reco

A leading engineering platform provider in the United Kingdom is seeking a Principal Software Engineer to lead the architectural evolution of their platform. Candidates should possess significant software engineering experience, expertise in Python and distributed systems, as well as strong leadersh

As a Principal Engineer, you will help teams do their best work by improving engineering practices, reducing delivery risk, and fostering a culture of trust, learning, and high standards. Work with Architects and other Principals to drive technical direction while partnering effectively with Enginee

A progressive healthcare technology provider in Greater London seeks a Principal Software Engineer to enhance its technology team. The successful candidate will provide technical leadership, design software architectures, and aid in the migration towards agile methodologies.

The pinnacle of technical leadership, Principal Engineers at Olo shape the organisation’s technical vision, mentor engineers at all levels, and oversee the design of critical, large-scale systems. This will be the first ever Principal Engineer level hire in Belfast, so there's an opportunity to ma

You'll work on cutting-edge AI-powered digital identity solutions, collaborating in a close-knit, agile team that values quality, testing, and rapid deliveryThe Role: As a Backend Software Engineer (Mid-level), you will: Essential Experience: Strong software engineering experience with a

A leading global information and analytics company in Greater London seeks a Principal Engineer to enhance engineering practices and foster collaboration across teams.

As a Principal Systems Engineer, you’ll lead a team of talented, collaborative engineers working across Cloudflare’s ecosystem. Principal Systems Engineer - Billing. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled und

As a Principal Engineer, you will help teams do their best work by improving engineering practices, reducing delivery risk, and fostering a culture of trust, learning, and high standards. Work with Architects and other Principals to drive technical direction while partnering effectively with Enginee

Principal Software Engineer (London Only). Our pay ranges for our Principal Engineer position within London is: £92,818 – £116,122 GBP. From early-stage startups to global enterprises, we work across industries to optimize our clients’ digital products through product strategy innovation, expe