Principal Software Engineer jobs in High Wycombe

Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience, and scale - and they need exceptional .NET Software Engineers to...

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data path and...

You will be instrumental in growing the electrical design capability within an engineering consultancy that champions innovative, low-carbon building services. This is an opportunity to shape electrical strategy, influence design outcomes and mentor the next generation of engineers while working across exciting and varied projects.

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Principal Systems Engineer – RF / Satellite Communications Location: Hereford, Herefordshire (Hybrid – 3 days onsite) A well-established UK engineering organisation operating at the forefront of satellite communications and RF systems are looking to appoint a Principal Systems Engineer to take ownership of complex products used in critical RF / SatCom infrastructure worldwide. This role suited...

Job Description Principal Electronics Engineer Copello are working with a defence client who are looking for a Principal Electronics Engineer to develop and maintain complex defence systems and products. This includes a wide range of communication, navigation and identification products for use in demanding aerospace environments. In this role you would be expected to provide innovative...

About the Role We’re seeking a Principal AI Engineer to lead the design and implementation of advanced AI solutions across our product and business ecosystem. This is a unique opportunity to define and deliver an organisation-wide AI strategy — combining hands-on technical work with cross-functional influence to drive real impact. You’ll work closely with senior technology and business leaders...

Principal Hardware Engineer Initial 12 Month Contract Full time on site Rochester, Kent £94.24 Per Hour (Umbrella Rate - Inside IR35) The Role - Executing complex hardware design tasks in accordance with the hardware development plan, whilst meeting agreed timescales and allocated budgets - Conducting hardware requirements capture, preliminary design, detailed design including a range of...

Materials Analysis is an Oxford Instruments Business Unit that manages our Electron Microscopy and Mechanical Microscopy products, Atomic Force Microscopes, Raman Microscopes and Benchtop NMR Products. We are part of the wider Oxford Instruments Group that also includes Andor Technology, NanoScience, Plasma Technology and X-Ray Technology. With a sixty-year history, and fourteen Queen's Awards...

Select how often (in days) to receive an alert: Materials Analysis is an Oxford Instruments Business Unit that manages our Electron Microscopy and Mechanical Microscopy products, Atomic Force Microscopes, Raman Microscopes and Benchtop NMR Products. We are part of the wider Oxford Instruments Group that also includes Andor Technology, NanoScience, Plasma Technology and X-Ray Technology. With a...

Principal Electronics Engineer Copello are working with a defence client who are looking for a Principal Electronics Engineer to develop and maintain complex defence systems and products. This includes a wide range of communication, navigation and identification products for use in demanding aerospace environments. In this role you would be expected to provide innovative solutions to...

Are you an Automotive Graduate or do you have a keen interest in Automotive Software, seeking a new challenge. If so Expleo have an opportunity for you. Expleo are recruiting for an Automotive Software Fleet Engineer, supporting our client, a Global Automotive OEM, based in Lancashire on a contact basis. Responsibilities of the Software Engineer include: • Updating current development fleet...

At Orange Logic, we’ve been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We’re not just building powerful software—we’re building a team of...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the client architecture using the latest UI patterns.

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

Playrix — одна из самых успешных компаний по разработке мобильных игр в мире. По доходам среди всех мобильных приложений мы входим в топ-3 в мире, а в Европе мы первые. Наши игры установили 2,3 миллиарда раз (треть населения Земли), каждый день в них играет более 30 миллионов людей по всему миру! У нас большие планы на развитие и рост наших проектов, именно поэтому мы ищем сильнейших экспертов в...

You will shape both how interactions are built and what expressive capabilities are possible, translating cutting-edge research into robust, real-world systems.

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

Principal Electronics Engineer Copello are working with a defence client who are looking for a Principal Electronics Engineer to develop and maintain complex defence systems and products. The role also includes line management of the Electronics design team, providing expert technical guidance and enabling the team’s professional development. Design, develop and test innovative solutions for...