1 to 25 of 53 .NET Developer Jobs in Hertfordshire

.NET Developer, .NET 9 - Social Networking Site - Bishop's Stortford (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and … countries added to this list as well as their workforce increasing by 100% in size. Underpinning this success is their hip and cutting-edge .NET/C# technology platform. We are seeking several .NET Developers to work on the development of revolutionary new features that will draw users … to their web site for longer periods of time. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C#, and Azure SQL. We are keen to hear from .NET Developer candidates with a strong understanding of object More ❯

.NET Developer, .NET 9, C# - Global Record Label - Hertford (Tech stack: .NET Developer, .NET 9, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce that our client, one of the … largest and most recognised brands within the music industry, is seeking .NET Developer to work out of their plush offices in the heart of Hertford, Hertfordshire. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical … to the launch of their new online music shopping channel.We are seeking .NET Developer candidates with a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL.Our client can provide training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading More ❯

.NET Developer, .NET 9, C# - Global Record Label - Hertford (Tech stack: .NET Developer, .NET 9, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce that our client, one of the … largest and most recognised brands within the music industry, is seeking .NET Developer to work out of their plush offices in the heart of Hertford, Hertfordshire. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical … to the launch of their new online music shopping channel.We are seeking .NET Developer candidates with a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL.Our client can provide training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading More ❯

.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 a .NET Developer to work on one of the most ambitious .NET/C# projects to take place since the birth of the World Wide Web. Responsibilities: Develop and maintain applications using .NET, .NET Core …/ASP.NET MVC, C#, and Azure SQL. Participate in Agile development processes. Receive training in .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, and MongoDB. Qualifications: Proficiency in .NET, .NET Core/ASP.NET MVC, C#, Azure SQL. Ability to work in an Agile More ❯

.NET Developer – St Albans (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countries. Using … mission is to deliver the most awesome social video advertising campaigns on the planet. Due to continued growth and expansion they are seeking several .NET Developer to work on the development of revolutionary web based software applications. We are keen to hear from .NET Developer candidates … with a good grasp of technologies that include: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will give you the opportunity to work on enterprise level software development projects and training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful More ❯

.NET Developer – St Albans (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countries. Using … mission is to deliver the most awesome social video advertising campaigns on the planet. Due to continued growth and expansion they are seeking several .NET Developer to work on the development of revolutionary web based software applications. We are keen to hear from .NET Developer candidates … with a good grasp of technologies that include: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will give you the opportunity to work on enterprise level software development projects and training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful More ❯

.NET Developer – St Albans (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countries. Using … mission is to deliver the most awesome social video advertising campaigns on the planet. Due to continued growth and expansion they are seeking several .NET Developer to work on the development of revolutionary web based software applications. We are keen to hear from .NET Developer candidates … with a good grasp of technologies that include: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will give you the opportunity to work on enterprise level software development projects and training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful More ❯

.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) Our client is an award-winning Microsoft consultancy specializing in delivering … innovative .NET technology-based business solutions to investment banks, financial services companies, prestigious music/media labels, and more. They are about to embark on one of the most ambitious .NET development projects since the birth of the .NET framework. We are seeking several .NET Developers … with an extensive array of talent and expertise. .NET Developers will be given complete ownership of their business area and the opportunity to work on the full project life cycle. Applicants should have a skill set that encompasses some or all of the following: .NET, .NET Core More ❯

.NET Developer - Software House - Welwyn Garden City (Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Do you want to work for an internationally recognised brand? Do you want to work on enterprise … level .NET/C# software development projects and gain exposure to cutting edge technologies? Do you want to experience a truly sophisticated Agile development environment? Then look no further! Our client is an award winning software house with a strong presence in over 30 countries. Due to continued growth … and expansion we are seeking several .NET/C# Developers to join their dynamic team of high flying individuals. .NET Developer applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide training into: .NET More ❯

.NET Developer - Europe's Largest Radio Station Group - Cheshunt (Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is Europe's largest and most profitable commercial radio group. In order to … their stations into interactive brands that can operate across multiple platforms such as online, digital TV and mobile. As such we are seeking a .NET Developer to join their dynamic .NET/C# team of high flying individuals. Responsibilities: Work on complex enterprise level .NET/… C# software development projects. Qualifications: Skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C#, and Azure SQL. Our client can provide you with industry recognised training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD and MongoDB. This is an exciting More ❯

.NET Developer, .NET 9, C# - Digital Download Site - Hatfield (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) With operations in over 20 countries, our client has fast become a major … York Times, The Guardian, and many more. They are going through a period of explosive growth and need your help! We are seeking gifted .NET Developers to join their close-knit and extremely talented technical team. We are looking for .NET Developers who are ambitious about building a … quality service that brings delight to their users. .NET Developers should be experienced in: .NET, .NET Core/ASP.NET MVC, C#, and Azure SQL. You will be trained in all aspects of: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile More ❯

.NET Developer, C#, .NET 9, Angular 19, Web API 2 - Watford (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Have you ever thought about getting from London to Edinburgh in … subsonic transportation systems are futuristic train-like modes of transport capable of speeds over 700mph. Their R&D centres in the UK need talented .NET Developers to help build software applications and cloud platforms for advanced data analytics and capturing information from high-speed tests conducted daily. Applicants should … have knowledge of: .NET, .NET Core/ASP.NET MVC, C#, and Azure SQL. Training will be provided in: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile, and MongoDB. All positions offer the following benefits: 15% bonus 10% pension Weekly office code More ❯

Social network you want to login/join with: Lead .Net Developer, watford, hertfordshire col-narrow-left Client: Gleeson Recruitment Group Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job … Description: Lead .NET Developer - Contract Warwick based - Hybrid working I'm currently working with a well-established and fast-growing digital agency that's looking for a talented and experienced Lead .NET Developer to take on a pivotal role within their tech team. My client delivers … with both internal teams and external stakeholders, so solid client-facing and stakeholder management skills are essential. Skills needed: Strong background in C#/.NET , particularly .NET Core , Web APIs, and modern architectural patterns Proven experience leading or mentoring other developers and driving technical decisions Experience with cloud More ❯

Social network you want to login/join with: Contract .NET Developer - Energy Trading, stevenage col-narrow-left Client: Oliver Bernard Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Contract .NET Developer – Energy Trading - £750/day – OUTSIDE IR35 We’re looking for an experienced .NET Developer to play a crucial role in designing, developing, and delivering high-quality, test-driven object-oriented software that supports the full trade lifecycle. You’ll work across a diverse portfolio … closely with Technical Leads, Architects, and key business stakeholders to deliver robust and scalable solutions. Key Responsibilities Design, develop, and deliver high-quality C# .NET solutions in a complex trading or data-driven environment. Work closely with Vertical Leads (Delivery, Technical, QA, Architecture, and Functional) to ensure seamless software More ❯

Social network you want to login/join with: Contract .NET Developer - Energy Trading, watford, hertfordshire col-narrow-left Client: Oliver Bernard Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide … Job Description: Contract .NET Developer – Energy Trading - £750/day – OUTSIDE IR35 We’re looking for an experienced .NET Developer to play a crucial role in designing, developing, and delivering high-quality, test-driven object-oriented software that supports the full trade lifecycle. You’ll work … closely with Technical Leads, Architects, and key business stakeholders to deliver robust and scalable solutions. Key Responsibilities Design, develop, and deliver high-quality C# .NET solutions in a complex trading or data-driven environment. Work closely with Vertical Leads (Delivery, Technical, QA, Architecture, and Functional) to ensure seamless software More ❯

Social network you want to login/join with: Contract .NET Developer - Energy Trading, hemel hempstead col-narrow-left Client: Oliver Bernard Location: hemel hempstead, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide … Job Description: Contract .NET Developer – Energy Trading - £750/day – OUTSIDE IR35 We’re looking for an experienced .NET Developer to play a crucial role in designing, developing, and delivering high-quality, test-driven object-oriented software that supports the full trade lifecycle. You’ll work … closely with Technical Leads, Architects, and key business stakeholders to deliver robust and scalable solutions. Key Responsibilities Design, develop, and deliver high-quality C# .NET solutions in a complex trading or data-driven environment. Work closely with Vertical Leads (Delivery, Technical, QA, Architecture, and Functional) to ensure seamless software More ❯

Social network you want to login/join with: Full-Stack .NET Developer, watford, hertfordshire col-narrow-left Client: Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Full … Stack .NET Developer – Up to £52,000 – Fully Remote Join Dante, a leading provider of innovative software solutions for the training industry and be part of our remarkable journey of substantial business growth. We are currently seeking an experienced Full-Stack .NET Developer to join our … small, talented development team working alongside our Senior Developer and Technical Director. You'll play a key role in our ongoing modernisation project, transforming our training software from legacy .NET MVC to modern .NET and Angular architecture. Exciting projects on the horizon include implementing system translation for More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, stevenage col-narrow-left Client: WebX Systems Ltd. Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior … Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven legacy systems with cutting-edge … journey to become the global leader in aerospace and defence content management. Role Overview We're looking for a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, watford, hertfordshire col-narrow-left Client: WebX Systems Ltd. Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 … col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven … journey to become the global leader in aerospace and defence content management. Role Overview We're looking for a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, hemel hempstead col-narrow-left Client: WebX Systems Ltd. Location: hemel hempstead, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 … col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven … journey to become the global leader in aerospace and defence content management. Role Overview We're looking for a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help More ❯

Social network you want to login/join with: Lead .NET Developer - Contract Warwick based - Hybrid working I'm currently working with a well-established and fast-growing digital agency that's looking for a talented and experienced Lead .NET Developer to take on a pivotal … with both internal teams and external stakeholders, so solid client-facing and stakeholder management skills are essential. Skills needed: Strong background in C#/.NET , particularly .NET Core , Web APIs, and modern architectural patterns Proven experience leading or mentoring other developers and driving technical decisions Experience with cloud … maintainable code and best practices Previous experience in a digital agency or consulting environment is highly desirable Please apply asap if interested - GleeIT Lead .Net Developer At Gleeson Recruitment Group, we embrace inclusivity and welcome applicants of all backgrounds, experiences, and abilities. We are proud to be a More ❯

Social network you want to login/join with: Lead .NET Developer - Contract Warwick based - Hybrid working I'm currently working with a well-established and fast-growing digital agency that's looking for a talented and experienced Lead .NET Developer to take on a pivotal … with both internal teams and external stakeholders, so solid client-facing and stakeholder management skills are essential. Skills needed: Strong background in C#/.NET , particularly .NET Core , Web APIs, and modern architectural patterns Proven experience leading or mentoring other developers and driving technical decisions Experience with cloud … maintainable code and best practices Previous experience in a digital agency or consulting environment is highly desirable Please apply asap if interested - GleeIT Lead .Net Developer At Gleeson Recruitment Group, we embrace inclusivity and welcome applicants of all backgrounds, experiences, and abilities. We are proud to be a More ❯

Social network you want to login/join with: Senior Full Stack Developer - .NET, Blazor, stevenage col-narrow-left Client: Oliver Bernard Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Full … Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £65,000-£70,000 Our client in the retail space are a market leader in providing warehousing, manufacturing and logistic services across the UK. This is a great opportunity to work on a migration piece moving from … ASP.NET MVC to modern Blazor as they look to roll out a new system. They are also undergoing a migration to .NET 9. They are looking for a Senior Full Stack Developer who has experience with .NET Framework/Core and Blazor. Tech Stack: C#, .NET More ❯

Social network you want to login/join with: Senior Full Stack Developer - .NET, Blazor, hemel hempstead col-narrow-left Client: Oliver Bernard Location: hemel hempstead, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col … wide Job Description: Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £65,000-£70,000 Our client in the retail space are a market leader in providing warehousing, manufacturing and logistic services across the UK. This is a great opportunity to work on … piece moving from ASP.NET MVC to modern Blazor as they look to roll out a new system. They are also undergoing a migration to .NET 9. They are looking for a Senior Full Stack Developer who has experience with .NET Framework/Core and Blazor. Tech Stack More ❯

Social network you want to login/join with: Senior Full Stack Developer - .NET, Blazor, watford, hertfordshire col-narrow-left Client: Oliver Bernard Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col … wide Job Description: Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £65,000-£70,000 Our client in the retail space are a market leader in providing warehousing, manufacturing and logistic services across the UK. This is a great opportunity to work on … piece moving from ASP.NET MVC to modern Blazor as they look to roll out a new system. They are also undergoing a migration to .NET 9. They are looking for a Senior Full Stack Developer who has experience with .NET Framework/Core and Blazor. Tech Stack More ❯