principal .net engineer jobs in York

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...

You will be responsible for leading on work and projects within the highways civil engineering team, delivering infrastructure xwwtmva projects efficiently, cost effectively and to client Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today.

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 should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

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 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...

Microsoft Azure and Databricks Principal Consultant 3 days ago Be among the first 25 applicants Simpson Associates transforms raw data into actionable insights that drive positive change. Our Microsoft data expertise, our specialist sector knowledge, plus our innovative and trusted advice and guidance are just some of the reasons clients choose to work with us. Our mission is to help...

.NET Developer Sounds good, doesn't it? About the Role We are currently seeking a Microsoft .NET Software Engineer to join our established .NET Software Engineering team. The ideal candidate will have experience of software architecture, design, coding and technical development process of building web applications on the Microsoft .NET technology stack. We develop with both .NET Framework...

You should have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: . NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere and anyone.

The Principal Mechanical Engineer’s main duties will be to lead a team of Mechanical Engineers reporting to the Discipline Lead M&E and act as MEP Contractors Responsible Engineer (CRE) and/or Lead Engineer on MEP projects allocated to them by the Discipline Lead M&E. The Principal Mechanical Engineer will be accountable for the design delivery of Mechanical Design allocated to MEP...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

We’re working with a forward-thinking digital product organisation on a mission to become truly AI-native — not just by adopting tools, but by transforming how software is designed, built, and delivered. They’re looking for a Senior AI Enablement Engineer to play a pivotal role in redefining modern engineering practice through AI-assisted development. This is a hands-on senior engineering role...

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

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 own the engineering vision and execution of Keepnet’s core platform, operating across the UK, EU, US, UAE, and Canada, supported by distributed offshore and nearshore teams.

You will not be expected to do everything yourself. Success in this role will be measured by platform reliability, delivery predictability, team health, and customer impact.

You will be responsible for acting as the technical lead, dealing with day-to-day management of xwwtmva an engineering team, managing complex geotechnical schemes, The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below.

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...