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 Staff Engineer role, you lead quality assurance and validation for Arm Neoverse-based platform software and firmware, spanning pre-silicon to production. You drive end-to-end testing, define validation strategies, and eleva...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>>.

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 consulting firm in Milton Keynes is seeking a Lead Principal Consultant for a contract role in Government, Defence & Security. The ideal candidate will have expertise in C# .NET Core or C++, along with experience in AWS, Docker, and securit...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>>.

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>>.

Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. We are seeking a Principal Software Engineer to provide technical leadership across the software function, working cl...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>>.

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>>.

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 co...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>>.

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>>.

McNally Recruitment Ltd is seeking a Principal Engineer to join a large UK client in Edinburgh or London, with 6 days in the office per month and the rest remote. You will design and engineer software with customer experience at the forefront, con...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>>.

Albany Growth is partnering with a software business undergoing a major technology transformation. We are hiring a Principal Software Engineer to stay hands-on while shaping how to rebuild a large legacy product estate for a cloud-native future....Read More>>.

Simple Machines is a leading boutique technology firm seeking a Principal Software Engineer to design and deliver complex, scalable systems across backend, APIs, frontend, data pipelines, and cloud infrastructure. You’ll work with internal teams...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>>.

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>>.

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>>.

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>>.

Job Description We're looking for a Principal Engineer to joinour 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 emp...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>>.

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>>.