Average salary: £60,157 /yearly
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- Our client is seeking Firmware Engineers for contracts based in Luton, Bedfordshire. The Firmware Engineer will deliver Firmware for complex digital systems that meet challenging future customer requirements. Responsibilities Design tools such as Xilinx, TCL, Verilog,...PrincipalContract
- £67k - £91k per annumEstimated...Type: Permanent Salary: Competitive, market-based TUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart energy management...PrincipalPermanentHybrid working
- Tesco UK • Welwyn Garden City • Full-Time • Apply by 21-Jan-2026PrincipalFull-time
- £45k - £62k per annumEstimated...Senior Java Developer (Must hold active SC) The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients...PrincipalRemote jobPermanentFull-timeFixed-term contract
- £59k - £80k per annumEstimatedDepartment Software Employment Type Permanent - Full Time Location Southampton UK Workplace type Hybrid Key Responsibilities Skills Knowledge and Expertise About AccelerComm Ltd AccelerComm is an exciting semiconductor IP company that provides Forward Error...PrincipalPermanentFull-timeHybrid working
- £74k - £97k per annumEstimated...Halian is working with a pioneering medical technology company to recruit a Principal Embedded Software Engineer. In this senior role, you will contribute to the design, development, verification, and validation of Class III active implantable medical devices. Youll collaborate...PrincipalPermanent
£50k - £78k per annum
...products. VHDL / Verilog for FPGA experience is essential implementation of algorithms, high speed digital design and experience in developing products for manufacture. Key skills FPGA tools and technologies such as Microchip, Xilinx, SoC, Modelsim, Matlab and Simulink....PrincipalPermanent£68k - £72k per annum
Role: Principal Developer Salary: £68,000 - £72,000 per annum Location: Newcastle upon Tyne (One day a week on site requirements) VIQU have partnered with a leading national organisation who are looking to migrate from their legacy systems, to modern, cloud first systems...PrincipalFull-time1 day/week£75k - £85k per annum
...are a forward-thinking company located in Birmingham, offering a mostly remote working model with occasional office visits. This Principal Developer role comes with a competitive salary of up to £85k, plus benefits. You’ll be a vital part of our team, enhancing our flagship...PrincipalFull-timeOn-siteRemoteRebel Recruitment Limited
Huntingdon, Cambridgeshire14 days ago£90k - £120k per annum
...illnesses. You're literally joining a platform and a company that saves peoples lives, it doesn't get much better than this. As a Principal Engineer, you'll be responsible for ensuring the robust technical delivery of products and services, including planning, co-creating...PrincipalPermanent£100k - £120k per annum
...leadership, with the opportunity to collaborate with cutting-edge technologies like AWS, Terraform, and Python, just to name a few! As a Principal Engineer, you'll be the driving force behind the strategic direction of the Development and Platform squads. You'll delve deep into...PrincipalPermanent£68k - £72k per annum
...Storage, etc.). Previous leadership experience mentoring junior developers, conducting code reviews, and guiding best practices.... ...organization based in Newcastle upon Tyne, and we are looking to hire a Principal Developer to help us migrate from our legacy systems to modern,...PrincipalFull-time1 day/weekVIQU IT
Newcastle upon Tyne1 day ago£100k - £120k per annum
...This industry leader are seeking an exceptional Principal Engineer to join their team. You will be accountable for ensuring the robust technical... ...teamwork and mentorship. Your tireless ambition to help others develop and grow will make you a valuable asset to the team, and you...PrincipalPermanent£63.83 - £87.04 per hour
...Principal Software Engineer Location: Edinburgh, United Kingdom Contract Duration: 12 months Rate: £63.83 p/h PAYE (£73.11... ...advanced defence and aerospace programmes. The role focuses on developing software solutions for complex test systems used in cutting-edge...PrincipalHoliday workContract£90k - £110k per annum
...billion active consumers for them to tap into, with a product that has already been tested and launched. You'll still be hands on, developing their core platform utilising Python and Django. You can be based anywhere in Europe and the role is fully remote. You will also...PrincipalRemote jobPermanentNight shift£120k - £140k per annum
..., and stock that could grow to change your life, but being part of a team which has already done extraordinary things and looks to do a few more. If you’re a developer, front-end or full-stack, and want to join one hell of a journey. Click the apply button and let’s talk.PrincipalPermanentFull-timeOn-site£130k - £180k per annum
...environment. This is a company straight out of the start-up playbook. All in the same London office, brainstorming, collaborating, and developing some serious code. You’ll be living and breathing this product and have the opportunity to make a real mark on how the product...PrincipalPermanentOn-site£60k - £67k per annum
...working with SQL at a deep level, including performance tuning, data manipulation, and reporting. Responsibilities: ~ As the Principal Developer, you will guide your team through the full software development lifecycle, from solution design and build to testing and defect...PrincipalFull-timeHybrid workingOn-site2 days/weekLorien
Glasgow8 days ago£45k - £70k per annum
...effectively leverage proprietary and domain-specific content. Develop agentic and workflow-based AI patterns with a focus on... ...consultancy organization located in London, and we are seeking a Principal AI Engineer to join our innovative team. This is a progressive career...PrincipalFull-timeThe Portfolio Group
Finsbury, Greater London14 hours ago- £59k - £76k per annumEstimated...Linode, consists of collaborative, inclusive, and creative teams. We develop applications and services to empower our customers. Our mission... ...experience developers have come to expect from Linode. As a Principal Software Engineer, you will be responsible for: Developing...PrincipalRemote job
£100k - £120k per annum
...of illnesses through cutting-edge research. To drive forward this groundbreaking research initiative, this company is seeking at Principal Software Engineer. In this role, you will not only lead a product squad and promote best practices within the team, but also serve as...PrincipalPermanentHybrid workingOn-site- £60k - £81k per annumEstimated...Purpose of the Role To lead the software delivery for complex bespoke automation projects. The Principal Software Engineer ensures that software is implemented to the highest standards, guides engineers through the development and commissioning process, delegates technical...PrincipalPermanent
£95k - £120k per annum
...We are recruiting for a Principal/Lead Android Developer to join the Mobile Banking division of a leading bank. This high impact role will operate at a strategic level, overseeing the Android engineering roadmap and influencing cross-functional teams and key business stakeholders...PrincipalFull-timeImmediate start- ...We're seeking a Principal Software Engineer to lead the architectural evolution of our platform as we scale to meet growing demand from... ...patterns Team Mentorship & Collaboration Mentor mid-level developers, elevating the technical capabilities of the entire team Establish...PrincipalLong-term contractTemporaryImmediate start
£100k - £115k per annum
...innovation while remaining hands-on with coding. Technical engineering within this organisation has rapidly expanded, onboarding talented developers and contributors who are driven to create technology that improves lives. Now, they are focusing on strengthening the senior team by...PrincipalRemote jobPermanent£100k - £120k per annum
...high-level software architecture, but also being the voice of technical challenge, keeping technical debt low, and liaising with other Principals to align delivery and assurance. Technically you will have focused on Python, leading software teams and deploying straight to AWS...PrincipalHoliday workPermanentOn-site£105k - £120k per annum
..., and prevention of illness, this company is making a tangible difference—and you could be at the forefront of that mission. As a Principal Engineer, you will play a pivotal role in driving this innovative vision forward. Joining a company with a proven track record of success...PrincipalPermanent- Start date: March 2026 Clearance: NATO Cosmic Top Secret or equivalent Location: Braine L'Alleud, Belgium Skills • Education, Experience and Training (essential): Education: A Master's degree at a nationally recognised/certified University in a related discipline ...PrincipalContract
£120k - £140k per annum
...that power one of the world’s biggest financial platforms. Are you ready to make an impact that’s seen by hundreds of millions? As Principal DevOps Engineer, you’re not just maintaining systems you’re building the foundation for the future. Taking ownership of mission critical...PrincipalPermanentRelocation packageOn-siteFlexible hours- £70k - £95k per annumEstimated...What is The Role: Were looking for a Principal Software Engineer to join the Elasticsearch - Search Scaling team. This globally-distributed... ...both technical design and collaboration with other engineers to develop the necessary components. Experience with large-scale data or...PrincipalLong-term contractFull-timeInternship
