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 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>>.

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>>.

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>>.

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>>.

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>>.

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

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.