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>>.

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>>.

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>>.

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>>.

Role descriptionThe Enabling Infrastructure team is an established group of experienced engineers specialising in the delivery of development led infrastructure projects centred around our Birmingham, London, Bristol and Cardiff office...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>>.

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>>.

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and g...Read More>>.

Around the world, SYSTRA's specialists plan, design, integrate, test, commission, project manage and deliver mass transit and mobility solutions that are relied on by more than 50 million people every day. For more than 60 years, the Gro...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>>.

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone ha...Read More>>.

Effective Recruitment Solutions Ltd is seeking an experienced Highways and Transportation Principal Engineer to deliver a varied portfolio of projects in the UK. The role focuses on technical delivery, project management, and developing junior eng...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>>.

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>>.

London About Us The Financial Times is one of the world’s leading news organisations, globally recognised for its authority, integrity and accuracy, with a mission to deliver quality information and services worldwide. At...Read More>>.

Select how often (in days) to receive an alert: Amey are a leading provider of full life-cycle engineering, operations and decarbonisation solutions, for transport infrastructure and complex facilities. Working for us, you’ll be de...Read More>>.

As a Principal Engineer, you'll be working within the Kier Design team, supporting them in delivering engineering excellence across a broad range of construction projects. This is an opportunity to lead the delivery of complex construction enginee...Read More>>.

OverviewWe Are Skyral: We believe every decision maker can be empowered by technology. Skyral combines AI, leading edge simulation technology and world class expertise to transform the decision making experience. Our products an...Read More>>.

Job Overview:Arm's Central Engineering DFT Architecture and Methodology team defines the future of Design-for-Test across Arm's CPUs, GPUs, System IP, AI accelerators and next-generation SoCs. The team develops DFT architectures, metho...Read More>>.

Hours35 hour per weekClosing DateFri, 9 Oct 2026Principal Engineer – Dynamics, Power Platform, Workflow & Colleague Experience Engineering at ScaleThe Cus...Read More>>.

Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. We’r...Read More>>.

Overview As a senior Bridge Engineer in our Bridges and Civils team within our Transportation business based in Stockton, you will play a crucial role in shaping the future of transportation. We work on a number of exciting, high‑profil...Read More>>.

Energy Jobline ZR in London is seeking a hands-on Principal Engineer to build new digital fintech products from the ground up. You will lead an engineering squad, shape architecture, and make key technical decisions while mentoring engineers and s...Read More>>.

Principal Engineer - Cybersecurity Science & AnalyticsLocation: London, GB, E14 5HQBrand: HSBCArea of Interest:Role Workstyle: Office WorkerDate: 13 Oct 2026Engineer and defend the digital backbone of on...Read More>>.

Engineer and defend the digital backbone of one of the world’s largest global banks with real hands-on impact and zero management overheadHSBC Technology builds and runs digital services that help millions of customers bank quickly...Read More>>.

HSBC Technology is seeking a Principal Engineer to lead hands-on data platform, infrastructure and analytics engineering for Cybersecurity Science & Analytics. You will influence ~150 technical staff in CSA and the global cybersecurity function (~...Read More>>.

London Stock Exchange Group is seeking a Principal Engineer to design, build, and operate secure, scalable enterprise applications across on-prem and AWS environments.You will lead architecture, DevOps practices, and cross-functional collab...Read More>>.