101 to 125 of 167 Principal Software Engineer Jobs in the UK excluding London

Hippo is seeking a Principal Software Engineer to lead strategic technical direction across multiple squads and drive enterprise-scale software delivery. You will shape architectural roadmaps, coach senior engineers, and partner with executives to align technical vision with business goals. The role emphasises leadership, collaboration with ...

08th July, 2026We are looking to recruit an experienced and highly skilled Principal Software Engineer to lead the design, development, and optimisation of our mission-critical communication infrastructure. This role is central to ensuring the reliability, performance, and scalability of systems vital for public safety and essential … services. You will act as a technical leader, mentoring other engineers and driving best practices across the development lifecycle. Working alongside other Software application team members, the successful candidate will be responsible for the development, integration and maintenance of the existing Web. Come and join Sepura ...

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 with a world‐class team to continuously improve and deliver ...

Black Duck Software, Inc. helps organizations build secure, high-quality software, minimizing risks while maximizing speed and productivity. Black Duck, a recognized pioneer in application security, provides SAST, SCA, and DAST solutions that enable teams to quickly find and fix vulnerabilities and defects in proprietary code, open source … With a combination of industry-leading tools, services, and expertise, only Black Duck helps organizations maximize security and quality in DevSecOps and throughout the software development life cycle. Black Duck is seeking a Principal Software Engineer to serve as a technical leader for the company ...

team members in over 35 countries including the United States, Mexico, United Kingdom, Australia, Japan, India, and the Philippines.Job DescriptionWe are looking for a Principal Software Engineer to join our Shared Services team and help shape the technical direction of core platform capabilities used across Turnitin products.This … highly influential individual contributor role for an experienced engineer with deep expertise in backend development, cloud-native architectures, and large-scale distributed systems. You will partner with engineering leaders, architects, and product teams to deliver scalable, reliable, and secure solutions that support millions of users worldwide.What You'll DoLead ...

team members in over 35 countries including the United States, Mexico, United Kingdom, Australia, Japan, India, and the Philippines.Job DescriptionWe are looking for a Principal Software Engineer to join our Shared Services team and help shape the technical direction of core platform capabilities used across Turnitin products.This … highly influential individual contributor role for an experienced engineer with deep expertise in backend development, cloud-native architectures, and large-scale distributed systems. You will partner with engineering leaders, architects, and product teams to deliver scalable, reliable, and secure solutions that support millions of users worldwide.What You'll DoLead ...

team members in over 35 countries including the United States, Mexico, United Kingdom, Australia, Japan, India, and the Philippines.Job DescriptionWe are looking for a Principal Software Engineer to join our Shared Services team and help shape the technical direction of core platform capabilities used across Turnitin products.This … highly influential individual contributor role for an experienced engineer with deep expertise in backend development, cloud-native architectures, and large-scale distributed systems. You will partner with engineering leaders, architects, and product teams to deliver scalable, reliable, and secure solutions that support millions of users worldwide.What You'll DoLead ...

team members in over 35 countries including the United States, Mexico, United Kingdom, Australia, Japan, India, and the Philippines.Job DescriptionWe are looking for a Principal Software Engineer to join our Shared Services team and help shape the technical direction of core platform capabilities used across Turnitin products.This … highly influential individual contributor role for an experienced engineer with deep expertise in backend development, cloud-native architectures, and large-scale distributed systems. You will partner with engineering leaders, architects, and product teams to deliver scalable, reliable, and secure solutions that support millions of users worldwide.What You'll DoLead ...

with Raytheon UK to hire for this role. Date Posted: 2026-08-11 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Principal Software Engineer Gloucester/Manchester Onsite Due to the interesting work we do and the sector this team is working … SCRUM teams work synchronously with our customers to solve some of the toughest digital challenges faced in the world today. Responsibilities Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion of milestones associated with your project Contribute to continuous improvement ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused … term architectural strategy for platform engineering, ensuring competitive advantage and scalability. Mentor and coach senior engineers across teams, elevating the technical bar and championing Software Engineering Communities of Practice. Serve as the key technical liaison for product, business, and security stakeholders, translating technical decisions into business impact. Lead ...

leading retail technology firm is seeking a Principal Software Engineer for a 6-month contract in Manchester. This role involves collaborating with architects and product owners to lead a transformation to a cloud-native, event-driven architecture. Responsibilities include overseeing technology vision and strategy, along with opportunities ...

working with an innovative technology business that is looking for an experienced Principal Software Engineer . You’ll have the opportunity to influence technical strategy, solve complex engineering challenges and mentor other developers. Location: Cambridge (Hybrid) The role: Lead the architecture, design and development of high-performance … optimise system performance and reliability. Mentor and support mid and senior-level developers. Work within an Agile/Scrum development environment alongside wider software and engineering teams. Strong commercial experience with C# and .NET , Proven experience designing and developing scalable, distributed systems and microservices. Experience with front-end technologies ...

working with an innovative technology business that is looking for an experienced Principal Software Engineer . You’ll have the opportunity to influence technical strategy, solve complex engineering challenges and mentor other developers. Location: Cambridge (Hybrid) Salary: £70-80k The role: + Lead the architecture, design … system performance and reliability. + Mentor and support mid and senior-level developers. + Work within an Agile/Scrum development environment alongside wider software and engineering teams. Minimum role requirements: + Strong commercial experience with C# and .NET , + Proven experience designing and developing scalable, distributed systems ...

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. The ideal candidate will have extensive experience in full-stack … development and cloud services. The role involves designing and building software, collaborating across teams, and contributing to project success. Opportunities for training and development will also be provided. #J-18808-Ljbffr ...

technology consultancy firm in Portsmouth is seeking a Principal Software Engineer to lead the design and development of applications across various sectors, including defence and health. The ideal candidate has over 15 years of experience with expertise in C/C++, C#, and Python, alongside strong stakeholder ...

JPMorgan Chase & Co. in Scotland is seeking a Principal Software Engineer to join Strategic Business Services. You will provide expertise and engineering excellence within an agile team to enhance, build, and deliver trusted market-leading technology products in a secure, scalable way. You will collaborate across ...

Northern Lincolnshire and Goole NHS Foundation Trust seeks a Principal Software Engineer to lead the Digital Services Directorate in architecting, developing, integrating, and supporting critical digital systems for the EPR rollout and wider strategy. You will mentor highly skilled developers and integration specialists, set technical strategy, champion ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering … possess an interest in the financial sector and focus on addressing our customer needs. Job responsibilities Creates complex and scalable coding frameworks using appropriate software design frameworks. Develops secure and high-quality production code, and reviews and debugs code written by others. Architects and governs agentic AI-enabled engineering ...

JPMorgan Chase & Co. in the United Kingdom is seeking a Principal Software Engineer within Strategic Business Services to drive engineering excellence in an agile team shaping secure, scalable market-leading technology products. You will design complex frameworks, lead AI-enabled development practices, and advise senior leaders ...

Very Group is seeking an experienced Senior/Principal Software Engineer to lead technical direction across squads. You’ll shape what we build and how, collaborating with Product Managers, Architects and Engineers to tackle scalable, cloud-native challenges and deliver impactful customer experiences at scale. Expect ownership ...

Hippo is a fast-growing digital consultancy delivering transformative digital solutions across public and private sectors in the UK. We seek a Principal Software Engineer to shape technical direction, lead multiple squads, and drive innovation across the engineering community. You will partner with stakeholders, oversee complex pipelines ...

directly with Raytheon UK to hire for this role. Date Posted: 2026-08-13 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Onsite Principal Software Engineer Location: Manchester Permanent Onsite/Hybrid (min 3 days a week on site) Due to the interesting work ...

with Raytheon UK to hire for this role. Date Posted: 2026-08-11 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Principal Software Engineer Gloucester/Manchester Onsite Due to the interesting work we do and the sector this team is working ...

generation physiological monitoring solutions, the business is transitioning from advanced product development towards regulatory approval and commercial launch. We are looking for an experienced Principal Software Engineer to provide technical leadership click apply for full job details ...

AALTO in Farnborough is seeking a Principal Software Engineer to lead embedded software across the full lifecycle in a safety-critical domain. You’ll design, implement, verify and maintain avionics software in C, with C++ and Python as supporting tools, working close to product teams ...