Senior .net Developer jobs in York

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...

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...

Job Description Senior Front End Developer An excellent opportunity for a skilled Senior Front End Developer to join a growing software development environment, working on secure, large-scale web applications using modern JavaScript frameworks, SQL, and strong UI/UX principles. If youve also worked in the following roles, wed also like to hear from you: Front End Developer, Web Developer,...

🚀 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...

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...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

Senior Business Development Manager – Fleet Mobility Solutions Provider £50,000 basic - £55,000 basic + £25,000 OTE Uncapped + EV Company Car If you’re ready to make an impact, this is the role that puts you in the driving seat. A competitive package, a premium company car, and the chance to join a private equity-backed business on a rapid growth trajectory. Expect pace, ambition, and the kind...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next. js-based codebase (including a CMS). This is a great opportunity for the right person to take on a challenging and broad role. Homeflow is operating on a fully remote basis but occasional travel will be required for our company meet ups (bi-annually at most in the UK).

Senior Economic Development Officer – Sectors & Clusters Location: Hybrid – 1–2 days in the office, with regular community engagement Pay Rate: Circa £30 per hour PAYE / £38 per hour Umbrella Contract: Interim Assignment We’re looking for an experienced and enthusiastic Senior Economic Development Officer to help drive growth and innovation across key sectors in a forward-thinking local...

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.

Up to £72,000 salary, car allowance, bonus, and a clear path for progression with two of the UK’s leading names in industrial services and hazardous waste management. This senior commercial role is ideal for someone ready to drive strategic growth across key sectors, including Civils, Demolition, and Utilities, while shaping long-term partnerships. Why you’ll love this role: - Competitive...

Senior Front End Developer An excellent opportunity for a skilled Senior Front End Developer to join a growing software development environment, working on secure, large-scale web applications using modern JavaScript frameworks, SQL, and strong UI/UX principles. If youve also worked in the following roles, wed also like to hear from you: Front End Developer, Web Developer, Software Engineer, Full...

We’re Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we’re looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you’ll do - Develop and extend our React.js &...

.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 will become an integral part of our client’s existing digital team; developing and optimising the websites they manage, improving functionality and increasing performance by identifying and implementing technical changes.

You will be working 37.5 hours per week and will receive:

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.

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.

We're Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we're looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you'll do - Develop and extend our React.js &...