Principal Engineer - Software Engineering (Specialist Software)Frimley based role (Hybrid working)£67.47 per hour Umbrella Inside IR3512 Month Contract initially. This is a great opportunity to work...Read More>>.

Overview As Principal Software Engineer at M&S, you will provide senior technical leadership across the International Fashion, Home & Beauty domain. You’ll shape mission-critical platforms to enable international growth and digital-first...Read More>>.

Overview As a Principal Software Engineer in M&S’s Software Engineering team, you drive technical excellence across the full lifecycle to modernise mission-critical systems powering warehouse operations. You will shape the technical direc...Read More>>.

Overview In this role you lead security architecture for Elasticsearch, delivering high-performance authentication, authorization, and tenant isolation at scale. You will shape core security features and collaborate with cross-functional te...Read More>>.

Overview In this role you will influence AI-driven initiatives and system resiliency within CE&S, partnering with Azure and product teams. You will work hands-on across design, build, and production deployment on strategic customer projects...Read More>>.

Overview In this role you will shape and operate the CI/CD and release infrastructure at Elastic, enabling faster and more secure software delivery across teams. You’ll define the technical vision, remove bottlenecks, and establish scalab...Read More>>.

How you'll make a differenceAs a Principal Engineer, you will make a significant contribution to the successful delivery of highway development projects across South Gloucestershire. Acting as a specialist adviser o...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>>.

Salary: £100,000 - 100,000 per yearRequirements:We require applicants to hold active or recently active SC or DV clearance.We are looking for strong experience delivering production systems in complex envir...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>>.

Job Description Salary Range: £54,000 – £70,000 Principal Software Engineer – Test Environments (GCAP) Your Impact Can you develop Test Environments for a complex aerospace programme, from strategy throug...Read More>>.

Prattwhitney is seeking a Principal Software Engineer for a full-time position in Manchester with a hybrid working model. You will design and develop software solutions while mentoring junior team members within our cross-functional team.Th...Read More>>.

Principal Software Engineer, Backend - Full or Part Time Manchester You’ve probably heard of Autotrader, but do you know what we’re all about? We’re the UK’s leading automotive marketplace, a heritage brand, and a...Read More>>.

nineDots.io is seeking a backend engineer to build provenance and attestation infrastructure at the heart of modern software delivery. You will design systems that provide end-to-end traceability from source to deployed artifact, including how art...Read More>>.

At the company, we are a team of innovators focused on optimizing business decision‑making through our leading AI‑infused scenario planning and analysis platform so our customers can outpace their competition and the market. What uni...Read More>>.

Principal Software EngineerSalary: £75,000 – £85,000 + BenefitsLocation: Hybrid 1 day every other week – Milton KeynesWe are currently looking for a Principal Software Engineer to join a growing, technology-led Sa...Read More>>.

慨正橡扯 in the United Kingdom is seeking a Principal Software Engineer to join their team in Manchester or Gloucester. This full-time, permanent position offers a hybrid working pattern, focusing on both technical tasks and team leadership....Read More>>.

Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity...Read More>>.

Anaplan is the leading enterprise decision‑making platform, powering the world’s largest enterprises with its proprietary Hyperblock™ technology and cloud infrastructure. We are seeking a Sr. Principal Engineer to join our team in...Read More>>.

Principal Software Development Engineer Design and optimize marine navigation software for embedded hardware systems Location: Fareham, Hampshire, United Kingdom. Job Tags: Software. Job Summary The Prin...Read More>>.

JPMorganChase is seeking a Principal Software Engineer within Infrastructure Platforms Engineering & AI Practices to lead across multiple teams. You will design and build platforms and shared services that meet access, compliance, and governance r...Read More>>.

TPXimpact is seeking a Principal Software Engineer to shape the technical direction of high-profile projects and lead delivery of modern, scalable software. You will mentor engineers across teams, line-manage a group, and collaborate with senior s...Read More>>.

Principal Software Engineer ABOUT THE ROLE We’re looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We u...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>>.

Job DetailsRole: Principal Software Engineer Locations: Manchester (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Salary: Competitive salary and package (Depending on level of experience) A...Read More>>.

Our client, a leading UK insurance and technology organisation, is seeking a Principal Software Engineer to provide technical leadership across complex enterprise platforms and customer-facing solutions. This permanent role offers a hybrid working...Read More>>.

SummaryImagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. You bring passion and dedication to your job and there's no telling what you c...Read More>>.

Principal Software EngineerFinancial services | London | Hybrid, 6 days onsite per monthPackage: £75-£95k + 10% pension + 10% cash allowance + bonus + benefits pack.We’re recruiting a Principal Software Engineer for a fi...Read More>>.

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to th...Read More>>.

Roche is seeking a Software Engineer (Principal / Senior Principal) to lead the design and development of modern computational and data ecosystems enabling drug discovery. You will work across interactive tooling, scalable data platforms, and AI-p...Read More>>.

Roche Products Ltd. is seeking a Software Engineer (Principal / Senior Principal) to help design and build modernized data and computational ecosystems for drug discovery.You will lead interactive tooling, scalable data platforms and AI-ena...Read More>>.

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to th...Read More>>.

Elekta in Crawley is seeking a Principal Software Engineer to lead shared components and services across the product portfolio. You'll work with architects and product teams to define direction and ensure secure, scalable software for customers wo...Read More>>.

Raytheon UK is seeking a Principal Software Engineer in London to join our cyber software team. This permanent onsite role involves delivering and deploying critical software across multiple business areas.You will design and build software...Read More>>.

The Computational Sciences Center of Excellence (CS CoE) is a strategic, unified group whose mission is to harness the power of data and Artificial Intelligence (AI) to assist scientists in delivering innovative, life-changing medicines to patient...Read More>>.

Meet the Team Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network - even the ones they don’t own. Powered by AI and an unmatched s...Read More>>.

Our client is a fast-growing UK engineering and software technology company located in Bristol. They are looking to hire a Principal Software Engineer to lead the design, architecture and development of their internal developer platform that all t...Read More>>.

The Applied Innovation (of AI) Engineering team is an elite machine learning group strategically located within the Chief Data Analytics Office (CDAO) Technology group of JP Morgan Chase. AI Engineering tackle business critical priorities using...Read More>>.

Corpay is hiring a Principal Software Engineer in London to provide hands-on technical leadership across the Client Lifecycle domain, shaping the design, evolution and operation of KYC, onboarding, accounts, and data systems.You will define...Read More>>.

Raytheon UK in Manchester is seeking a Principal Software Engineer to join our Cyber division. This permanent role is on-site with hybrid options (min 3 days on-site per week) and requires eligibility for SC and eDV clearance.You will desig...Read More>>.

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 and helps you realize y...Read More>>.

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune...Read More>>.

Cisco ThousandEyes is a Digital Experience Assurance platform enabling IT teams to detect and remediate issues before end users are affected. You will lead software engineers, guide architecture decisions, and deliver features across distributed p...Read More>>.

Datasource Computer Employment Limited seeks a Principal Software Engineer to join its Cyber business unit, developing advanced cryptographic and key management solutions for defence customers. The role requires strong embedded or application soft...Read More>>.

Opportunity for a Principal Software Engineer to work for a retail company near Manchester going through a large digital transformation.This is an initial 6-month contract outside IR35 to help deliver re-platforming of existing systems to a...Read More>>.

Manchester Digital is seeking a Principal Software Engineer for a retail client near Manchester undergoing a large digital transformation. The role is an initial 6-month contract outside IR35 to help deliver re-platforming of existing systems to a...Read More>>.

Cytix Software in Manchester is seeking a Technical Leader to unblock the engineering team by resolving impasses, standardising engineering practices, and owning cross‑functional initiatives. You’ll stay hands‑on, prototyping, shipping MVPs,...Read More>>.

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune...Read More>>.

Your new company Join one of the world's leading engineering and design consultancies, delivering innovative transportation and infrastructure projects across Ireland and internationally. Due to continued growth within thei...Read More>>.