We're looking for a Principal Engineer to join our Kier Design team based in various locations. Kier Design are a highly regarded Tier 1 Contractor, with a 750 plus strong design consultancy team, recognised as a Top 30 employer on Glass...Read More>>.

Principal Engineer - Support Engineering - Reliability-Centred Maintenance (RCM)Location: Barrow / Brough / FiltonContract: 12 months Headcount: 1 W...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 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>>.

Overview In this role you shape how AI is embedded across Arm’s engineering platforms and workflows, driving scalable, secure AI architectures. You will translate fast-moving AI capabilities into reusable patterns and target architectures...Read More>>.

Overview As Smartgrids Technical Lead, you guide technical delivery for distribution grid, private networks and renewable connections. You will shape multidisciplinary projects, mentor engineers, and uphold safety and quality targets. Your...Read More>>.

Overview As Principal Engineer you will lead the Highway Developments and Implementation team to ensure private developments are designed and delivered to high highway standards. You will act as a specialist adviser to developers and coordi...Read More>>.

Overview In this Principal Engineer role, you shape technical direction across the Surveillance estate while remaining hands-on. You’ll balance deep technical work with guiding senior engineers, ensuring architecture coherence, security p...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 software development firm in Central London is looking for a Principal Software Engineer to own the technical roadmap and manage solutions architecture. The ideal candidate will have over 7 years of experience, particularly in full stack de...Read More>>.

A transformative Medical Device company in the UK is seeking a Principal Software Engineer. You will lead software testing and quality assurance activities, create effective testing strategies, and manage cybersecurity efforts. The ideal candidate ha...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>>.

Job Description Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center – all in an environment that nurtures skills...Read More>>.

Lovable lets anyone and everyone build software with any language. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast.We are at the forefront of a foundational shift in so...Read More>>.

Gemba Advantage is hiring Senior and Principal Engineers to shape secure, scalable software for critical public sector systems across the UK. You will influence technical direction, mentor teams, and work with customers to solve complex problems,...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>>.

Indicium AI is seeking an exceptional Principal Software Engineer to lead delivery in the Energy & Commodities Trading sector. This hands-on role combines engineering excellence with strategic leadership, mentoring teams and shaping client relatio...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>>.

Select how often (in days) to receive an alert: Job Title: Principal Engineer - Flight Test Systems Location: Amesbury, England, United Kingdom Role Type: Permanent – Full Time Package: £62,775 – £69,7...Read More>>.

Join a leading multi-strategy investment management firm where technology plays a critical role in supporting investment, trading, risk and operational functions. The firm operates across multiple investment strategies and relies on soph...Read More>>.

Job Description: Your impact Would you like a once-in-a-generation opportunity to play a key role in a defence programme of national and international importance? We are on the hunt for talented software engineers to su...Read More>>.

easyJet is seeking a Principal Software Engineer to lead the eCommerce Platform Delivery team. You will guide multiple squads, drive architectural choices, and ensure secure, scalable, high-performance systems.A strong focus on data integri...Read More>>.

easyJet Airline Company PLC is seeking a Principal Software Engineer to lead the eCommerce Platform Delivery team. You will drive the technical vision, architecture, and delivery of high‑performance, secure systems across multiple squads....Read More>>.

Are you a current Elekta employee? Please click here to apply through our internal career site Find Jobs - Elekta. We don’t just build technology. We build hope for everyone dealing with Cancer. Elekta is shaping the standard of care, togethe...Read More>>.

Raytheon UK is hiring a Principal Software Engineer in London. You will join a cross‑functional team delivering critical software for national security, using React/NextJS, TypeScript, Python, and Java across cloud environments.Role requi...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>>.

Are you passionate about leading technical excellence while remaining hands-on in building high-quality software? Do you enjoy influencing teams, shaping engineering practices, and delivering reliable, secure, and observable solutions in a coll...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>>.

Principal Engineering Platform AI ArchitectJob Overview:The Principal Eng Plat AI Architect sets direction for how AI is embedded across Arm's engineering platforms, toolchains and workflows. Reporting to the Director of Engineering...Read More>>.

Requisition ID12683-Posted07/10/2026-Consulting-Birmingham - International Design Hub, Colmore Plaza Amey are a leading provider of full life-cycle engineering, operations and decarbonisation solutions, for trans...Read More>>.

Accenture Manchester is seeking a Principal Software Engineer to lead engineering workstreams across client projects, shaping delivery with a strong emphasis on quality and tangible outcomes.You will grow teams, mentor engineers, and collab...Read More>>.

Civil Principal Engineer / Discipline Head Our client is looking for an experienced Principal Civil Engineer to take a leading technical role within their multidisciplinary design team in the water sector. This position is suite...Read More>>.

Senior Civil Engineer Our client is seeking a Civil Design Engineer to join a growing multidisciplinary team delivering water-sector projects. This role is ideal for an engineer looking to develop technically, take ownership of design...Read More>>.

Salary Range: £54,000 - £70,000. Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchm...Read More>>.

Your ImpactAre you a software engineer with a working knowledge of Artificial Intelligence (AI) and Machine Learning (ML)? Are you interested in developing software for some of the most cutting-edge defence and aerospace projects in th...Read More>>.

Job Summary: JOB DESCRIPTION –Principal Engineer I, Prepurchase Platform Location:London, UK Division:TicketmasterUK Limited LineManager:VP Engineering, Accounts, Identity and Pre-Purchase Contract Terms:F...Read More>>.

Tony Gee and Partners are seeking an experienced Associate or Principal Engineer who is authorised to act as Contractor Design Approval Engineer (CDAE) to strengthen our growing Transmission & Distribution capability.This is an exciting opp...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>>.

Tony Gee and Partners is seeking an experienced Associate or Principal Engineer who is authorised to act as Contractor Design Approval Engineer (CDAE) to strengthen our growing Transmission & Distribution capability.This is an exciting op...Read More>>.