26 to 50 of 133 Principal Software Engineer Jobs

Title: Principal Software Engineer Role: Distributed Systems & Communications Location: Cambridgeshire Salary: £60-£80k Platform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Principal Software Engineer to help shape the technical direction ...

Title: Principal Software Engineer Role: Distributed Systems & Communications Location: Cambridgeshire Salary: £60-£80k Platform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Principal Software Engineer to help shape the technical direction ...

Principal Software Engineer with a strong background in DSP, embedded software and developing 5G communications applications? If so I'd like to speak with you! A well-established R&D organisation and market leader is looking to rapidly expand its engineering team and is seeking … Principal Software Engineer to provide technical leadership within its development team near Leicestershire. As ... WKCL1_UKTJ ...

Principal Software Engineer with a strong background in DSP, embedded software and developing 5G communications applications? If so I'd like to speak with you! A well-established R&D organisation and market leader is looking to rapidly expand its engineering team and is seeking … Principal Software Engineer to provide technical leadership within its development team near Leicestershire click apply for full job details ...

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 to focus on technical work or have … people management focus - guiding and developing our more junior members of the team. Either way, you'll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Due to the interesting work ...

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 to focus on technical work or have … people management focus - guiding and developing our more junior members of the team. Either way, you'll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Due to the interesting work ...

Principal Software Engineer, £600/day (Outside IR35) 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 ...

Role description Principal Software Engineer – Data Technology Platforms Location London Start : ASAP End : As of now till Dec 2026 with possible extesnions Seeking an experienced and data-focused Principal Software Engineer to join our Data Technology Platforms team. This team is responsible for building … scalability. Solution Delivery Analyze business and technical requirements and evaluate solution viability. Design, develop, test, and deploy enterprise-grade data solutions. Support the full Software Development Lifecycle (SDLC), from requirements through production support. Ensure solutions are maintainable, supportable, and aligned with enterprise standards. Optimize performance for large-scale data ...

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 to focus on technical work or have ...

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 to focus on technical work or have ...

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 to focus on technical work or have ...

have within the community. Salary: £80,200 - £120,400 The Opportunity This is more than just a job; it’s a mission. As a Principal Software Engineer, you will play a pivotal role in designing, developing, and maintaining the critical infrastructure that powers our services. You will … meet customer needs. “My purpose is to lead a team of engineers, rise to the challenges presented, push the boundaries and define possible together.” – Principal Software Manager, Northrop Grumman UK What You’ll Do Take ownership of multiple teams’ deliverables and work with technical leads to define ...

working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. Principal Software Engineer (Mobile) Location: UK-based hybrid role, Occasional travel to site. the company, Technology is a core driver … next decade, this is the place to do it. An opportunity to play your part the company is seeking a highly skilled and experienced Principal Software Engineer (Mobile) to join our Field Platform team. In this role, you'll provide technical leadership for the mobile engineering domain ...

description: Senior or Principal Software Engineer (Full-time, On-site, San Diego, CA) We are seeking an experienced Principal or Senior Embedded Software Engineer to design and develop embedded software for space-based systems, including computer boards. This is a hands … site position focused on real-time, high-reliability applications. Key Responsibilities Design, develop, document, and test embedded software for aerospace products. Develop and debug bootloaders, BSPs, kernels, and device drivers for VxWorks 6.9/7.0, Embedded Linux, RTEMS , and bare-metal environments. Write code in C/C++ ...

Principal Embedded Software Engineer Winfrith, Dorset (hybrid working, 3 days per week onsite) Permanent vacancy We are looking for a Principal Embedded Software Engineer to work for our maritime defence client TKMS Atlas across a range of new projects, such as underwater vehicle control … systems and sonar equipment. You will be hired as an experienced engineer to play a senior technical hands-on role in the team, with the potential to take on team leadership responsibility should you wish to. This role combines hands-on expertise with the potential for strategic leadership, establishing ...

Principal Embedded Software Engineer Winfrith, Dorset (hybrid working, 3 days per week onsite) – Permanent vacancy We are looking for a Principal Embedded Software Engineer to work for our maritime defence client TKMS Atlas across a range of new projects, such as underwater vehicle control … systems and sonar equipment. You will be hired as an experienced engineer to play a senior technical hands-on role in the team, with the potential to take on team leadership responsibility should you wish to. This role combines hands-on expertise with the potential for strategic leadership, establishing ...

Principal Embedded Software Engineer Winfrith, Dorset (hybrid working, 3 days per week onsite) Permanent vacancy We are looking for a Principal Embedded Software Engineer to work for our maritime defence client TKMS Atlas across a range of new projects, such as underwater vehicle control … systems and sonar equipment. You will be hired as an experienced engineer to play a senior technical hands-on r... WKCL1_UKTJ ...

## Principal Software EngineerPostulerlocations: Remote - UK: Office - Altrincham: Remote - Londontime type: Temps pleinposted on: Publié aujourd'huijob requisition id: R0044729**Xanalys,** a **Harris Computer company**, is currently recruiting for a **Principal Software Engineer** on a permanent, remote-working basis. This role sits in a small … settings.* Ability and willingness to obtain Security Clearance**Nice to Have*** Experience scaling and optimising legacy systems.**About Us**Xanalys specialise in providing powerful software capabilities for threat assessment, investigative case management, and advanced crime and fraud analytics. Our solutions help our clients to manage multi-jurisdiction major crime ...

Role: Principal Software Engineer Location: Wilmslow/Remote (UK) We are The Citation Group - a collective of businesses dedicated to supporting small and medium-sized enterprises across a range of essential services. We know that running a business means juggling a lot. Our mission is to ease … significant platform transformation. You will be a core contributor to a squad that is actively changing how it builds, owns, and delivers software, and you will have real influence over the quality and direction of that work. We are moving from a traditional release cycle to CI/ ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you re a senior embedded engineer looking to influence ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you’re a senior embedded engineer looking to influence ...

## Principal Software Engineer - C#Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5616The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data … consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.**Role Overview**ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high ...

Overview One Identity's OneLogin is seeking a Principal Software Engineer to lead the architecture, correctness, and evolution of authentication and access systems across our platform. These systems are among the most security‐critical and failure‐sensitive areas of the product and require deep expertise in identity … protocols, session management, and secure system design. As a Principal Engineer, you will operate with broad technical ownership—defining standards, guiding implementation, and resolving systemic issues across authentication flows, authorization models, and session behavior. You will work across teams to ensure that authentication systems are secure, reliable ...

Elsevier in London is seeking a Principal AI Engineer/Principal Software Engineer to lead an embedded Innovation Squad, driving from discovery to production and transforming AI prototypes into reusable patterns and starter kits. You will shape agentic AI patterns (orchestration, memory, retrieval), mentor engineers ...

Principal Software Engineer, Mobile (React Native) Nine Elms, London - Full-time (5 days a week on-site) About the company the company is London’s leading premium convenience retail platform. Founded in 2020, our vision is to disrupt the multi‐trillion dollar convenience retail market, currently dominated … development is part of the daily toolkit here, and we ship LLM‐powered features where they genuinely make the product better. The Role As Principal Mobile Engineer you own the technical direction of our consumer iOS, Android and web apps, all built on React Native. This ...