PRINCIPAL SOFTWARE ENGINEER – V06450Role Description Provide technical expertise across the software team for the requirements, design, implementation, testing and verification of the software subsystems on Na...Read More>>.

Principal Software Engineer (Contract) - Naval RadarBAE Systems (Defence Solutions) | Cowes, Isle of Wight | 6 months | Inside IR35BAE Systems (Defence Solutions) i...Read More>>.

Our client is a major defence and aerospace company.Date Posted:2026-08-06Country:United KingdomLocation:Gloucester, South GloucestershirePosition Role Type:Onsite...Read More>>.

Senior / Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical sys...Read More>>.

Principal Software Engineer Location: Heybridge The role of a Software Engineer is to be part of the Software Systems Capability function, where you will specify, design, validate and test software components, including low-leve...Read More>>.

As we continue to accelerate the transformation of our technology and services, we are placing security and compliance at the heart of our engineering and platforms. This is an opportunity to lead at the intersection of infrastructure engineeri...Read More>>.

Why Technology at loveholidays? At loveholidays - we trailblaze together. We’re on a mission to open the world to everyone, giving our customers’ unlimited choice, unmatched ease and unmissable value for their next getaway....Read More>>.

Let's begin! Principal Software Engineer-AI (14865) 12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business i...Read More>>.

Contract Software Engineer (C# .NET) Location: Luton (Hybrid: 4 days on-site, 1 day remote) Contract: 12 months IR35: Inside IR35 Security Clearence: Full UK SC required Rate:...Read More>>.

12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business impactExperience leading multiple teams or groups of t...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 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>>.

As we continue to accelerate the transformation of our technology and services, we are placing security and compliance at the heart of our engineering and platforms. This is an opportunity to lead at the intersection of infrastructure engineeri...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>>.

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>>.

Date Posted: 2026-08-13Country: United KingdomLocation: Gloucester, South GloucestershirePosition Role Type: OnsitePrincipal Software EngineerLocation: GloucesterPer...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>>.

Your rolePrincipal Software EngineerWhat you'll be doingProvide hands‑on technical leadership across the Client Lifecycle vertical, setting direction for the design, evolution and operation of systems supporting KYC,...Read More>>.

As a Principal Software Engineer, Manipulation on Berkshire Grey’s Scoop program, you will serve as a senior technical leader responsible for advancing the manipulation capabilities of our robotic solutions. You will define architecture, 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>>.

Make The Connection. Vix Technology is a global leader in providing innovative solutions for public transit, believing that accessibility should be a standard. With over 35 years of experience and systems deployed in more than 200...Read More>>.

You will own the frontend architecture of the W&B app, the product ML researchers and engineers work in every day, and be accountable for app performance, stability and reliabilityA single page in W&B assembles data from many parts o...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>>.

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>>.

Cirrus Selection Limited in Bristol is seeking a Principal Software Engineer with expert RTI DDS and distributed systems experience to shape the architecture, design and evolution of mission-critical software used in advanced defence systems. This...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>>.

Company cultures & job summary Our client is looking for a Principal Software Engineer to join their Cyber business unit working on advanced cryptographic and key management solutions for defence customers. You'll need strong embedded or applicati...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>>.

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>>.

Job Description: Would you like a once-in-a-generation opportunity to play a key role in a defence programme of national and international importance? We are on the hunt for talented software engineers to support our Integrated...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>>.

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 tha...Read More>>.

Raytheon UK is seeking a Principal Software Engineer for onsite roles in Gloucester or Manchester. The position requires current eDV clearance and will operate in our Cyber business. You will design and build software across domains in a mature, a...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>>.

Hippo Digital seeks a Principal Software Engineer to guide multiple squads, shaping technical direction and delivering scalable, secure software platforms. You will lead engineering strategy, drive innovations, and oversee complex pipelines across...Read More>>.

Why supply tech at Heidi?Heidi is the ski holiday specialist. Customers search, compare and book ski holidays across Europe's mountains: accommodation, flights, transfers, lift passes, equipment hire and lessons, packaged into one trip....Read More>>.

At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or in...Read More>>.

MHR is seeking a Principal Software Engineer to lead complex engineering challenges that shape our products and technical direction. You will operate across the organisation—defining strategy, influencing architecture, and guiding delivery withi...Read More>>.

About The Role Hippo is a rapidly growing digital consultancy passionate about building and delivering transformative digital solutions for a diverse range of Public and Private sector clients. We are recruiting for a Principal Sof...Read More>>.

At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or in...Read More>>.

The Citation Group in Wilmslow is seeking a Principal Software Engineer to lead hands-on delivery across backend, frontend, and infrastructure within a platform transformation.You will partner with a Tech Lead to drive CI/CD, AI-native engi...Read More>>.

You’ll be a Technical Leader, unblock the engineering team by resolving complex technical impasses, standardising engineering practices, and owning cross‑functional initiatives. You'll still be a highly hands‑on engineer, responsible for...Read More>>.

Job Description: The Opportunity Are you a Software Engineer with C++ experience looking for your next challenge? Here at Leonardo, we are seeking an experienced Principal Software Engineer to take on pivotal technica...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>>.

Elekta is a global leader in precision radiation therapy. As a Principal Software Engineer, you will provide technical leadership for shared software components and services across Elekta's product portfolio, guiding APIs, architecture and deploym...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>>.

Principal Software Engineer - LondonReference Code: 548921-en_GBContract Type:PermanentProfessional Communities: Delivery ExcellenceAbout the job youre consideringThe...Read More>>.

At Bazaarvoice, we create smart shopping experiences. Through our expansive global network, product-passionate community & enterprise technology, we connect thousands of brands and retailers with billions of consumers. Our solutions enable bran...Read More>>.