301 to 325 of 619 Principal Engineer Jobs in the UK

Summary We are seeking a highly experienced Principal Software Engineer to lead the modernisation of our COBOL development ecosystem and Enterprise Server application replatforming products. The role is hands‐on, strategic, and involves designing, building, and evolving mission‐critical infrastructure used by global enterprises. Responsibilities Architect, design ...

# Principal Demo Engineerat Fin • London, EnglandBack to jobs1. Home2. Jobs3. Principal Demo Engineer23h agoF## Principal Demo EngineerFin00OtherFull-timeLondon, England✓ Visa RelocationApply Job### Job DescriptionFin is an AI-first company revolutionizing how customer service is delivered today. Our entire platform is driven by a set of advanced … reality for our customers.About the RoleThere's an enormous difference between building a Fin demo and deploying Fin in production. A Solutions Engineer can stand up an impressive AI agent demo in an afternoon. Making that demo reliably show what Fin actually does - across every channel, every persona, every ...

Principal Product Engineer, React Native Location: Nine Elms, London. Full time, hybrid with at least 3 days a week on site. You'll need the right to work in the UK and be based in London. We are not able to offer visa sponsorship for this role. About … company We don't just build software. We build intelligent systems. From AI-assisted development workflows to LLM-powered product features, we expect every engineer to embrace and actively shape how AI changes what we ship and how we ship it. If you're the kind of engineer ...

Arbor Education, based in the UK, seeks a Principal/Staff Engineer to drive technical strategy and architecture for core products. This remote role involves collaboration across teams, mentoring engineers, and implementing AI-first methodologies. The ideal candidate will have significant experience in software architecture and a collaborative ...

Principal Cloud Infrastructure Engineer leads on the creation and maintenance of the IT/OT Cloud technical delivery roadmaps and provides input into the technical global strategy for the mission critical cloud infrastructure. The role will be a Cloud technical lead on the solution design and delivery … focused on the mission of ensuring a stable, efficient, and compliant IT services. This position will be a lead role within the Cloud Infrastructure Engineer team with a focus on designing, building, deploying, and maintaining the FLBG Global Cloud services while leveraging the latest technology. The role is responsible ...

Principal Cloud Infrastructure Engineer leads on the creation and maintenance of the IT/OT Cloud technical delivery roadmaps and provides input into the technical global strategy for the mission critical cloud infrastructure. The role will be a Cloud technical lead on the solution design and delivery … focused on the mission of ensuring a stable, efficient, and compliant IT services. This position will be a lead role within the Cloud Infrastructure Engineer team with a focus on designing, building, deploying, and maintaining the FLBG Global Cloud services while leveraging the latest technology. The role is responsible ...

Role: Principal Consultant - Systems Engineering Salary: from £60,000 Location: Portsmouth Intro Sirius Analysis, we are a rapidly growing consultancy firm, renowned for our reputation and our keen ability to understand and meet customer requirements effectively. Our team is dedicated to delivering high-quality, end-to-end consultancy services … from requirements management and modelling and simulation through to P3M. We operate across multiple sectors, including defence, energy, and health. We are looking for Principal Consultant to join our Systems Engineering team as we go through our next phase of growth. Our System Engineering function is responsible for understanding ...

Epicor is seeking a principal engineer to drive the next generation of AI capabilities across its ERP portfolio. You will explore new AI transformations, design cloud platform services, and ensure production readiness of R&D outputs while integrating AI into business software. You will also conduct architectural reviews ...

Brief Description The Principal, Cloud Software Engineer will be responsible for designing, developing, and maintaining modern healthcare-focused applications that support clinical, research, and enterprise RnD AAAI initiatives across the RnD organization. This role will lead the development of secure, scalable, AI-enabled web applications and APIs within ...

Role description Principal software engineer- C#, .net, React, SQL, Azure with BFSI exp Location London Hybrid working with 3 days work from office -Mandatory Permanent/Fixed term/Contract inside IR 35 Immediate start Applicants must be legally authorized to work in the United Kingdom without … need for current or future visa sponsorship Role Overview We are seeking a talented Software Engineer to join the Solutions Team supporting a business-critical front-office application estate. The role involves working closely with business users, operations teams, and technology stakeholders to provide application support, deliver enhancements, resolve ...

Title: Principal Systems Engineer Location: Frimley, Hybrid, 3 days on site weekly We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: £47,241+ (Commensurate with skills and experience) Who we are: Join BAE Systems ...

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 scale and AI/ML capabilities. Applicants should be eligible ...

Trayport seeks a Principal Platform Engineer to anchor our Platform/Operations in London. The role is 70% hands-on—designing, building and operating infrastructure for a global trading platform, and mentoring the broader team. You will drive cloud engineering across AWS and Azure, own networking design ...

Gemba Advantage is seeking a Senior/Principal Software Engineer to design and deliver secure, scalable software solutions while working in small agile teams. The role requires active SC or DV clearance and entails championing modern engineering practices, shaping architectural direction, and influencing technical decisions. Candidates should bring ...

Senior/Principal Safety Engineer Defence Land Systems - Contract Location: Abbey Wood, Bristol (Hybrid Working) Duration: Initial contract to September 2026 with further extensions Rate: £600-£650 per day (Inside IR35) Join ISE on a High-Profile Defence Programme Infinity Systems Engineering (ISE) is seeking an experienced Senior … Safety Engineer to support a major UK defence land systems programme. This role offers the opportunity to influence the safety assurance of operational military capability, working directly with MOD stakeholders, senior military personnel, equipment suppliers and engineering teams. You will be involved in safety management, hazard analysis, safety case ...

intersection of infrastructure engineering, identity security, and AI shaping how teams across the firm build and govern technology at scale. As a Principal Software Engineer at JPMorganChase within Infrastructure Platforms Engineering & AI Practices, you will help design and build platforms and shared services that meet our access, compliance … solutions consistently to meet evolving requirements for infrastructure identity and security requirements in an AI-enabled environment. This role is suited to a senior engineer who has hands‐on skills to lead across multiple teams defining architecture, engineering practices and standards, and delivering high‐impact software that scales. ...

Principal Software Engineer London, United Kingdom Posted 12 months ago Tech stack Java Kubernetes Spring Boot Spring Framework Requirements 8+ years experience in backend development using Java/Spring Boot or equivalent. Experience with containerization and orchestration technologies (Kubernetes). Deep understanding of ... Compensation Competitive Role type ...

were ranked in the Top 10 by Data Centre Magazine in 2023. The Role We’re looking for an experienced and client-focused Principal Engineer with electrical design experience to join our data centre team. You will have excellent electrical design and consulting experience, ideally from a highly … projects. You’ll be trusted to take ownership of your work while being supported by a team of experienced engineers. As a Principal, you’ll also support the development of junior engineers, as well as contribute to project planning and fee proposals. In a leading role, you’ll help ...

Role: MS Power platform Principal Software Engineer Location: London,UK Jon Type: Permanent (Hybrid - 4 days office Mandatory) KEY ACCOUNTABILITIES Primary technical point of contact for the applications in scope of this role Represent Software Engineering CoE in discussions and forums such as architecture and design forums, governance ...

AspenTech seeks a Sr Principal Project Engineer to lead multidisciplinary engineering teams delivering complex SCADA/EMS/GMS/ADMS solutions in the region using AspenTech’s Digital Grid Management (DGM) products for leading utilities worldwide. Responsibilities Technical leadership of programs: Define solution architectures and integration strategies ...

Title: Principal Quality Engineer Assurance (NDE) Location: Barrow-In-Furness (Onsite) We offer a range of hybrid and flexible working arrangements please speak to your recruiter about the options for this particular role Salary: £42,215+ (Commensurate with skills and experience) Who we are: Join BAE Systems ...

TwinThread is looking for a Principal Software Engineer to enhance and deliver market-leading technology products within an agile team. This role requires extensive experience in software engineering, particularly with cloud platforms like AWS, and proficiency in AI technologies. You will drive innovation while collaborating with cross-functional ...

engineering‐wide improvements in areas like observability, developer tooling, and testing strategies to increase performance and reliability across all services. What You’ll Bring Principal‐Level Experience: 8+ years in backend development, with a proven track record in a Staff, Principal, or equivalent technical leadership role where ...

engineering-wide improvements in areas like observability, developer tooling, and testing strategies to increase performance and reliability across all services. What You’ll Bring Principal-Level Experience: 8+ years in backend development, with a proven track record in a Staff, Principal, or equivalent technical leadership role where ...

Principal Software Engineer Bristol, UnitedKingdom Posted 9 months ago Company Hargreaves Lansdown is the top UK investment platform for private investors, providing ISAs, pensions, savings, and investments in one convenient place. Tech stack Java Enterprise TypeScript optimization Software Engineer Qualifications Experience as a Solution or Enterprise Architect ...