principal .net engineer jobs in Basildon

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.

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

Job Description Principal Software Engineer Basildon 3-Month Contract Paying up to £70p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable Key Responsibilities: - C++ software development - Development of new applications to meet user expectations and within formal...

7 month contract (initially) Up to £55.56 per hour umbrella (Inside IR35) Hybrid working (up to 4 days per week on site where required in either Basildon, Bristol or Southampton as preferred) Job Role: The successful candidate will be responsible for conducting Stress Analysis, communicating the results and advising on all aspects of Structural Engineering activities. The role will involve...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

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.

Job Description Principal Engineer Location:Essex Salary:£55k-£65k About the Role: Platform Recruitment has partnered with a long-established manufacturer who are seeking a Principal Engineer to provide structural, reliability, and technical analysis across a range of high-integrity products. Youll lead analysis activities, support development and verification, and act as a key technical...

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.

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

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...

You will have the autonomy to shape the mechanical engineering capability and work closely with project managers, clients, and contractors to ensure smooth project delivery from concept to completion.

Job Description: Principal Test Engineer Leonardo is a world-leading high-tech company and one of the key players in Aerospace, Defence and Security. The products developed at Basildon have widespread uses in industrial and civil applications as well as fulfilling many military requirements. At Leonardo we are committed to building an inclusive, accessible, and welcoming workplace. We believe...

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...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production , Keepnet runs autonomous...

Job Description: Your impact We are establishing a new Materials and Processes Engineering Department and seek an accomplished Principal Composites Engineer to play a pivotal role in shaping our future capabilities. This position offers a unique opportunity to become the organisation’s recognised specialist in composites, where you will provide expert guidance to design teams on the selection...

7 month contract (initially) Up to £55.56 per hour umbrella (Inside IR35) Hybrid working (up to 4 days per week on site where required in either Basildon, Bristol or Southampton as preferred) Job Role: The successful candidate will be responsible for conducting Stress Analysis, communicating the results and advising on all aspects of Structural Engineering activities. The role will involve...

You will have the autonomy to shape the mechanical engineering capability and work closely with project managers, clients, and contractors to ensure smooth project delivery from concept to completion.

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...

Job Description: Your impact Are you a Systems Engineer who loves contributing to the UKs Defence Industry and making impactful change? We are recruiting for a number of Systems Engineering roles up to Principal level from a variety of backgrounds and skillsets, working on real engineering problems, designing and developing solutions that sit at the heart of our products. We have vacancies at...

You will support the Design Authorities to assure safety of products.

You will provide assurance that products comply with Safety, Environmental and Legislative requirements, primarily within the land, naval and airborne domains.

You must be capable of achieving full SC security clearance and will require access to caveated information such as UK eyes only