asp .net developer jobs in Stevenage

Job Description 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...

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...

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...

.NET Developer, .NET 9, C# – Consultancy – Stevenage (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative .NET technology based business solutions to...

Business Development Manager - UK Market Entry High-Value Capital Equipment | Aesthetic Medical Technology We are supporting the UK launch of a next-generation aesthetic medical technology platform operating at the intersection of Imaging, software, and AI. Our client is looking for the UK's top performing capital aesthetic reps to join this incredible journey of growth and differentiation from...

You will be responsible for designing, developing and implementing solutions using the MS Integration Services & MS Power Platform suite including but not limited to Logic Apps, Service Bus, Event Grid, APIM, Functions & Function Apps, SQL Server, Azure SQL, Dataverse, D365 modules, 3rd-party APIs, Azure Synapse, Fabric and Key Vault.

Department: Support Reports To: Application Software Support Manager Location: Remote Salary: £55k - £60k /yr (depending on experience) Contract Type: Permanent – Full Time Role Summary We're looking for an experienced full-stack .NET developer to join our team in a new and exciting role. This role will initially be supporting an array of clients, helping our support team to continue to...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

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.

You will be involved in projects that support the transition to net zero, alongside works required to maintain and upgrade existing network infrastructure. The role will focus on high-voltage overhead line (OHL) schemes.

You will work closely with bid, project development, pre-construction, design, procurement, and commercial teams.

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 work as part of a collaborative R&D team focused on delivering high-quality features, and developing the client architecture using the latest UI patterns.

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...

You will be responsible for generating net-new enterprise business in Life Sciences, shaping market presence during a period of significant expansion, and helping steer the company’s growth trajectory. Key Responsibilities - Drive new business development across a defined Life Sciences territory, focusing on Large to Mega-Cap Pharmaceutical and Medical Device companies.

Job Description Job Title: P&A (Plug & Abandonment) Engineer – Center of Excellence (CoE), Aberdeen, UK About Us: We are a global technology company, driving energy innovation for a balanced planet. At SLB, we create amazing technology that unlocks access to energy for the benefit of all. We are facing the world’s greatest balancing act—how to simultaneously reduce emissions and meet the...

Job Description Account Manager – Cyber Security Solutions On behalf of a fast‑growing Cyber Security Solutions provider that helps organisations protect their digital assets and stay ahead of evolving threats, we are seeking a proactive and relationship‑driven Account Manager to nurture and grow a portfolio of mid‑market and enterprise clients. This role blends strategic account development...

Job Description Overview We are seeking an experienced Software Technical Lead to provide hands-on technical leadership within an automation and intralogistics environment. This role is ideal for a senior engineer who actively writes and reviews code, has managed and supported other developers, and can lead the technical delivery of complex software solutions, including Warehouse Management...

You will also mentor colleagues, manage projects, and contribute to work winning and client engagement.

.NET Developer, .NET 9, C# – Global Internet Icon – Hitchin (Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has long been a classic internet icon; today it has evolved into an integrated and diversified modern media company. We are seeking .NET Developer to work on one of the most...