senior .net engineer jobs in Stevenage

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.

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...

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...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

As a member of the Analogue and Digital Capability Group, you will have a fantastic opportunity to work on advanced technology and contribute to the design and development of high-quality electronic solutions! Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below. Job Title: Senior Analogue and Digital Electronic Design...

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:

Development Management Implementation (DMI) Senior Engineer Are you a dynamic, creative and delivery focused Highways Engineering / Transport Planning professional. Can you use your first-rate technical skills to assist Tetra Tech in a new and exciting relationship with Hertfordshire County Council (HCC)? If so, we would like to hear from you. HCC has recently awarded Tetra Tech in partnership...

Senior Manufacturing Engineer An opportunity is available for a Senior Manufacturing Engineer with strong experience in composite materials to support the manufacture and industrialisation of advanced, high-integrity components. The role focuses on technical leadership across manufacturing processes, new product introduction, and continuous improvement.Role Responsibilities forSenior...

About The Role Right across infrastructure, theres a requirement to not only maintain, but also renew and reimagine. Whatever stage youre at in your career; with us youll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in afriendly, fun and respectful environment where you are encouraged to...

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

Senior Python Scraping Engineer Location: Fully remote Salary: £60,000 – £70,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You’ll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve...

Role & What’s in it for the applicant and why would they apply?: This is a rare opportunity to join a public-sector organisation with genuine technical depth, running and evolving its own data centre and enterprise network estate. Rather than being siloed or boxed into BAU, you’ll work across network design, deployment, support, and continuous improvement, with real influence over direction and...

Senior Quality Engineer Medical Device Startup | £60M Raised Why This Role Matters This is a rare opportunity to join a high-growth medical device startup that has raised £60M from top-tier investors and is scaling rapidly towards global commercialisation. The company is building next-generation medical technologies that will meaningfully improve patient outcomes. As Senior Quality Engineer,...

We are looking for an experienced Senior Machine Learning Engineer to lead the design and production integration of ML into an established live trading system and drive its next phase of development. Building on our early ML research and prototypes, you will design, build, deploy, and operate production ML components that integrate directly with a real-time execution engine – improving...

Senior Design Engineer – Marine Projects Location: UK Remote Employment Type: Permanent or Contract Ready to lead the future of naval engineering? Belcan’s Marine business unit is expanding, and we’re seeking experienced Senior Design Engineers to take ownership of complex and cutting-edge ship design projects within the defence sector. This is your opportunity to drive innovation, mentor...

Our client, a valued partner of the UK Ministry of Defence, is looking for an experienced Senior Configuration Engineer. In this role, you will support a dynamic team of over 30 Configuration specialists, working across various products, packages, and life cycles in a multi-national environment. Key Responsibilities: The Senior Configuration Engineer is a key player in supporting the...

Job Description A fantastic opportunity has arisen for a Senior Configuration Engineer to join a specialist engineering department supporting complex aerospace and defence programmes. Key Responsibilities - Provide configuration control and engineering data management support across large, complex product assemblies - Interpret and manage technical data, drawings, and Bills of Materials to...

Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We’re looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands on role where you’ll work across the stack, leading frontend development with React and...

Senior AI/ML Engineer Fully Remote £100,000–£120,000 + benefits About the Role Our client, a blockchain analytics scale-up, is looking for a Senior AI/ML Engineer to join their expanding team. They’re scaling their AI capabilities and need someone passionate about applying cutting-edge machine learning and LLM techniques to real-world crypto data. You’ll work directly with a Staff AI/ML...