principal developer jobs in Doncaster

Location: Doncaster (Hybrid / Flexible Working) Contract Type: Fixed-term / Contract (until project completion or funding end) Hours:7.5 hours per day Monday to Friday Rate:£50 per hour Ltd and £38.13 PAYE Contract Dates:05/01/2026 until 30/06/2026 About the Role Were seeking an experienced Principal Planner to provide planning and development management expertise for a major Solar Farm...

At CloudHQ, our mission is to deliver flexible, efficient, and resilient data center solutions to businesses worldwide. Founded by a pioneer in data center REITs, we are a rapidly growing organization with state-of-the-art data center sites globally in locations such as Ashburn, London, Frankfurt, Paris, Milan, Osaka, and São Paulo. As we embark on an exciting phase of global growth, we are...

As a Senior Hardware /Principal Engineer, you will be working as part of a multidisciplinary team to formulate and optimise innovative hardware engineering solutions, for products such as Helmet Mounted & Head-Up Displays, Mission Computers, Flight Controls, Active Inceptors and other associated safety-critical technology. This role will provide you with the opportunity to work with leading,...

You will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

A fantastic opportunity has arisen for a Principal Stress Engineer to join a specialist Mechanical Analysis function to support the structural design and development of a next-generation complex weapon platform. This role performs the duties of a senior structural analysis lead and reports into the Mechanical Analysis leadership team, working closely with multi-disciplinary engineering teams...

Opportunity to join a growing SME as they continue to develop their excellent C&S consulting engineering practice in the UK: - Opportunity to join as a senior/ principal civil engineer, as part of a thriving team and close to the owner director engineers - Relatively young practice (more than 10 years old), with a high-quality blend of people who have joined from larger practices and SMEs -...

Principal Mechanical Engineer, London. Excellent opportunity for an experienced Principal Mechanical Engineer to play a key part in the growth of an expanding M&E team within an International Engineering and Design Consultancy. Location: London Salary: £50,000 - 70,000 + Package benefits Job Description: The Resolute Group is working in partnership with an International Engineering and...

Principal Electrical Engineer Location: Remote, UK Wide Salary: up to £85,000 (based on experience) Position: Permanent My client is an international engineering firm with teams and projects across the UK and Europe. They supply HV control & protection products alongside, electrical design, HV engineering and installation services to the leading electricity TSOs and DNOs across the UK. As a...

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...

You will work closely with Design, Animation, AI, Network, and Production to shape moment-to-moment gameplay while mentoring senior and mid-level engineers. Key Responsibilities Gameplay Architecture & Leadership - Define and own the gameplay programming architecture for a large-scale UE5 project.

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.

You will not be required to do business development, however you will need to be client facing and be credible supporting the MD and growth team on meetings.

You will be focussed on retained GTM hires for startups and scale ups.

You will work closely with an established team focussed on the delivery of retained, committed search and contingent GTM project hires.

Come and join us in East Lothian - We care, the way you care Hello, I'm Owen, Recruitment Manager for Randolph Hill Nursing Homes Group. I'm excited to share that we are searching for an outstanding Principal Care Assistant (Nights) to join us at our Muirfield Nursing Home in Gullane, a top performing home in the area for many years. Company Benefits; · Excellent rate of pay - £16.48 - £19.09...

For almost 50 years, Williams Racing has been at the forefront of one of the fastest sports on the planet, being one of the top three most successful teams in history competing in the FIA Formula 1 World Championship. With an almost unrivalled heritage of engineering and racing F1 cars and unforgettable eras that demonstrate it is a force to be reckoned with, the British squad boasts 16 F1 World...

About Intellias Intellias is a European-founded AI, Data and Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation at scale and contributed to the success of the world's leading brands. The company is featured in the Inc 5,000 Europe and IAOP Global Outsourcing...

We are a leading provider of pharmacovigilance analytics software for the pharmaceutical industry, delivering innovative, data-driven solutions that help clients enhance drug safety, regulatory compliance, and operational efficiency. We are seeking a Consulting Technology Project Manager to manage client implementation projects for our Pharmacovigilance SaaS solutions. The ideal candidate...

PROJECT DESCRIPTION Join a fast-moving, outcome-driven engineering team that builds high-quality simulations and real-time experiences using commercial and proprietary game engines. You’ll shape how we exploit, extend, and integrate engines to solve complex systems problems, influence product roadmaps, and mentor engineers across disciplines. If you love squeezing performance from engines,...

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

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...

At CloudHQ, our mission is to deliver flexible, efficient, and resilient data center solutions to businesses worldwide. Founded by a pioneer in data center REITs, we are a rapidly growing organization with state-of-the-art data center sites globally in locations such as Ashburn, London, Frankfurt, Paris, Milan, Osaka, and São Paulo. As we embark on an exciting phase of global growth, we are...