principal .net engineer jobs in Stevenage

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...

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.

Stevenage A fantastic opportunity has arisen for experienced Principal Test Development Engineer to contribute to the design, integration and validation of test system hardware solutions, joining our highly skilled and dynamic Test Equipment Design Team. We can offer you a stimulating and rewarding role coupled with an exciting career path! Salary: Circa £55,000 depending on...

Principal Software Engineer Fully Remote | Permanent | £85,000 - £115,000 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 the...

Job Description World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract. Hourly Rate: £50.00 Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’Location: StevenageHybrid / Remote working: The role will likely be onsite 3 days per...

Our client, a trusted partner to the UK Ministry of Defence, is seeking a Principal Thermal Engineer to join the Mechanical Analysis Group in Stevenage.This team of over 30 engineers works across a diverse range of advanced military systems. For a complete understanding of this opportunity, and what will be required to be a successful applicant, read on. In this role, you will be part of an...

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...

Job Description 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...

You will be involved in: - Take ownership of delivering packages of thermal analysis work - Provide mechanical analysis support to develop designs and deliver thermal performance evidence - Deliver analysis evidence in clear reports with firm conclusion statements - Participate in team meetings and design reviews

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.

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 represented by a specialist technical recruiter who will guide you through each stage of the process.

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...

Stevenage The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below. As a Future Products Principal Systems Engineer within the newly formed Future Products department; part of Missile Design UK: Emerging Portfolio & Capability function, you will be assigned to take on a variety of roles in support of MBDA's Vision...

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.

Stevenage We have a fantastic opportunity for you to join our Electro-Optical (EO) Seekers & Sensors Department within our Scene Generation Team, working as a Scene Generation Modelling Engineer. Salary: £45,000 - £65,000 depending on experience Dynamic (hybrid) working: 3-4 days per week on-site due to workload classification Security Clearance: British Citizen or a Dual UK national with...

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...

Stevenage An exciting opportunity within Component Engineering team to help shape and play an important part in support across the business. No two days are the same supporting a large network of teams within the business. Salary: Circa £ 48,000 depending on experience Dynamic (hybrid) working: 2 days per week on-site due to workload classification Security Clearance: British Citizen or a...

You will ensure the integrity of our Zuken-based design environment, managing the data that enables xujxxms everything from high-speed PCB layouts to complex electrical interconnects an... Ensure you read the information regarding this opportunity thoroughly before making an application.