Overview In this role you design, build, and maintain advanced AI-enabled software products within JPMorganChase's CDAO Technology Group. You collaborate with engineers, data scientists, and product owners to deliver production-ready soluti...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 be the senior technical authority for the ServiceNow CSM scope within the Enterprise Services squad, shaping the technical vision and ensuring scalable, secure solutions. You’ll translate business needs into...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 leading cloud and software engineering consultancy in Greater London seeks a Principal Software Engineer to provide senior technical leadership. You'll design and evolve scalable software systems, mentor engineers, and influence architectural stand...Read More>>.

Poutrix is seeking an experienced Principal Engineer to join our Enabling Infrastructure team based in Manchester. This role involves managing development led infrastructure projects across Mobility, Places, and Resilience, serving various market...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>>.

Raytheon UK is recruiting a Principal Software Engineer to join our onsite teams in Manchester and Gloucester. You will contribute to secure, mission-critical software across defence programmes, working in a cross-functional team with DevSecOps at...Read More>>.

RTX Corporation in the United Kingdom is seeking a Principal Software Engineer to join our specialist teams based across Manchester, Gloucester, and London. You will deliver secure, mission-critical software across diverse programmes, collaboratin...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>>.

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: 6 Month Contract - West Midlands/HybridType: 6 Month ContractDay Rate: Market Rates (Outside IR35)Location: West Midlands/HybridStart: ASAPWe are seeking a Principal Software Engin...Read More>>.

Answer Digital in Leeds seeks a Principal Software Engineer to shape engineering at scale, co-own capability strategy, and raise the technical bar across client engagements. You will lead strategy, standards, and delivery across multiple projects,...Read More>>.

Defaqto is hiring a Principal Software Engineer in London to shape how we build software. You will lead the shift from AI-assisted coding to AI-led delivery, own high‑risk initiatives, and set engineering standards across the Technology function...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework) Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Locations: UK/Hungary Join Our Team...Read More>>.

Raytheon UK is seeking a Principal Software Engineer to join our established software development function in London. You will work in a cross-functional team, delivering and deploying critical software across multiple business areas.The ro...Read More>>.

We’re looking for a Principal Engineering LeadAbout BritAt Brit, we believe that the uncertainty of the future should never stand in the way of progress. That’s why we exist. To help people and businesses face the future and th...Read More>>.

Lead the design and engineering of a cloud-agnostic Identity and Authorization Platform that secures users, services, APIs, AI agents, and data across a multi-tenant SaaS platform. Unlike traditional IAM roles, this position focuses heavily...Read More>>.

Lead architecture and implementation of, Web applications Mobile APIs Microservices AI Gateway Agent runtime MCP tools Knowledge Graph Vector stores De...Read More>>.

This role sits within Advisory, where multidisciplinary teams help clients address complex business and technology challenges and turn strategy into practical change. Within Google Cloud Platform Engineering, you will combine hands‑on engineerin...Read More>>.

Location: Newbury (hybrid - reactive dependent on workload)About the RoleWe're looking for a Principal Engineer to act as technical authority and right hand to our Head of Engineering. This is a hands-on, individual-contribu...Read More>>.

We're specifically looking for a highly technical engineering leader whose primary passion remains engineering. Someone who still enjoys writing production code, solving difficult technical challenges, reviewing architecture, and working directly...Read More>>.

Are you looking for a unique opportunity to be a part of something great? Want to join a 17,000-member team that works on the technology that powers the world around us? Looking for an atmosphere of trust, empowerment, respect, diversity, and comm...Read More>>.

Thatcham Research is seeking a Principal Engineer – Automotive Damageability to serve as the technical authority on vehicle damage risk and insurance-related assessment. You will lead development of methodologies to quantify damage performance i...Read More>>.

As Principal Engineer, you'll be responsible for defining and championing appropriate engineering practices across product development, ensuring our teams consistently deliver brilliant, commercially successful products. You'll act as a tru...Read More>>.

25 days holiday, plus UK public holidays Location: Hybrid (2-3 days per week in our Canary Wharf office) Salary: £85 - £90k per annum Reports to: Director of Product Engineering Join U...Read More>>.

Vertiv, a $6.8B global organization with more than 27,000 employees, designs, builds and services critical infrastructure that enables vital applications for data centers, communication networks, and commercial and industrial facilities. We suppor...Read More>>.

We are seeking a Sr. Firmware Engineer to write firmware for our Coolant Distribution Unit real-time controller platform and assist with development on other Vertiv Linux-based platform(s). The candidate should possess broad and deep knowledge in...Read More>>.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the executi...Read More>>.

Responsibilities:Write, maintain and own technical specifications required for civil works associated with substation, e.g. substation buildings, bunds, trenches, etc. and review existing specifications and update them based on lessons le...Read More>>.

Role: Principal EngineerPlease double check you have the right level of experience and qualifications by reading the full overview of this opportunity below.Salary: £80,000–£95,000Location: ManchesterThis...Read More>>.

What if you could shape a career as unique as you? At WSP, you can always find opportunities to grow and do what matters to you. Make the most of our global reach to discover new challenges and chances to work with diverse, talented in...Read More>>.

Leonardo is seeking a Principal Software Engineer to drive pivotal technical work within our Integrated Sensors & Protection line. You will develop a new generation of features using innovative C/C++ software across defence projects, collaborating...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework) Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Locations: UK/Hungary Join Our Team...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>>.

Join Our Team: Principal Mechanical & Electrical Engineer, national role. Navigate your future and lock in your career as we keep our canals open and alive. Our Mechanical, Electrical, Instrumentation, Control & Automat...Read More>>.

Edinburgh or London UK-based | Edinburgh or London | Approximately 1 day per week Build the future, in the real world. We’re looking for a Principal Engineer to join us in a Forward Deployed role — w...Read More>>.