principal .net engineer jobs in Suffolk

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.

As a Full Stack Engineer with expertise in .NET and Vue, you'll take on a hands-on role in building web applications while working vertically in both the frontend and the backend. Your responsibilities will involve designing, developing, and fine-tuning web applications, using .NET 6+, MediaTR, EF.Core and VueJS 2/3 to create engaging and user-friendly interfaces. You'll work closely with the...

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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...

Principal Electrical Design Engineer Stowmarket, London - HybridPermanent - Full TimeCompetitive (DOE) + Car/ Car Allowance & Flexible Benefits Summary: Freedom are seeking a Principal Power System Engineer to join us on our journey! Are you a Lead who can motivate and inspire? Some of the key deliverables in this role will include: - Manage and lead with delivering technically demanding...

You will also collaborate closely with facility/equipment e...

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.

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,...

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

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 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.

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...

Suffolk, onsite working required We are seeking a skilled and innovative Principal Engineer with a deep understanding of epitaxial growth processes, specifically for Indium Phosphide (InP) materials in photonics applications. This is an exciting opportunity to drive advancements in epitaxial technologies, contributing to the design and manufacturing of high-performance photonic components. Your...

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...

Principal Process Engineer Epitaxy Suffolk, onsite working required We are seeking a skilled and innovative Principal Engineer with a deep understanding of epitaxial growth processes, specifically for Indium Phosphide (InP) materials in photonics applications. This is an exciting opportunity to drive advancements in epitaxial technologies, contributing to the design and manufacturing of...

Suffolk, onsite working required We are seeking a skilled and innovative Principal Engineer with a deep understanding of epitaxial growth processes, specifically for Indium Phosphide (InP) materials in photonics applications. This is an exciting opportunity to drive advancements in epitaxial technologies, contributing to the design and manufacturing of high-performance xwwtmva photonic...

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This client is one of the market leaders in cutting-edge optoelectronic devices for the next generation of optical communications networks. They are looking for an experienced engineer to join their team of experts, providing a key influence in the development and research of III-V optical chip components. This team focuses on the design, development, and mass production of advanced and novel...

Principal Process Engineer Epitaxy Suffolk, onsite working required We are seeking a skilled and innovative Principal Engineer with a deep understanding of epitaxial growth processes, specifically for Indium Phosphide (InP) materials in photonics applications. This is an exciting opportunity to drive advancements in epitaxial technologies, contributing xwwtmva to the design and manufacturing of...