Permanent C# Jobs in Hertfordshire

1 to 25 of 47 Permanent C# Jobs in Hertfordshire

.NET Developer

Childwickbury, St. Albans, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
in accordance with each customers' preselected unique fashion tastes. To achieve this, our client is looking for .NET Developer with excellent experience of: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. There are opportunities for training into technologies such as: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and More ❯
Employment Type: Full-Time
Salary: £45,000 - £75,000 per annum
Posted:

Full-Stack Developer (.NET / Golang)

St. Albans, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Avanti
problems, working on exciting live-data projects, and developing your expertise in Golang within a collaborative environment. Key Skills: Essential Strong experience with Golang Solid background in .NET/C# WebSockets and real-time data processing API development and strong problem-solving ability Remote working experience with excellent communication skills Desirable Node.js React/Next.js AWS and Kubernetes PostgreSQL, Redis More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

Trainee Web Developer

Watford, Hertfordshire, England, United Kingdom
IT Career Switch
Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯
Employment Type: Full-Time
Salary: £25,000 - £45,000 per annum
Posted:

Data Engineer

Watford, England, United Kingdom
Hybrid / WFH Options
Addition+
knowledge sharing Main Skills Needed: Proven experience in data engineering, ideally 5+ years Advanced SQL skills and strong knowledge of Azure (Data Lake, Synapse, SQL Server) Comfortable with Python, C#, and working with APIs Familiar with cloud data platforms (Azure essential; AWS useful) Confident designing data architecture and building models from scratch Solid understanding of database management and governance principles More ❯
Posted:

Data Engineer

stevenage, east anglia, united kingdom
Hybrid / WFH Options
Addition+
knowledge sharing Main Skills Needed: Proven experience in data engineering, ideally 5+ years Advanced SQL skills and strong knowledge of Azure (Data Lake, Synapse, SQL Server) Comfortable with Python, C#, and working with APIs Familiar with cloud data platforms (Azure essential; AWS useful) Confident designing data architecture and building models from scratch Solid understanding of database management and governance principles More ❯
Posted:

Data Engineer

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
Addition+
knowledge sharing Main Skills Needed: Proven experience in data engineering, ideally 5+ years Advanced SQL skills and strong knowledge of Azure (Data Lake, Synapse, SQL Server) Comfortable with Python, C#, and working with APIs Familiar with cloud data platforms (Azure essential; AWS useful) Confident designing data architecture and building models from scratch Solid understanding of database management and governance principles More ❯
Posted:

Data Technology Manager

Stevenage, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
IET
Proven experience in a senior data engineering role, ideally with team leadership responsibilities. Extensive knowledge of the Azure analytics ecosystem and core Azure data technologies. Strong programming skills in C#, SQL, PowerShell, and Python. Experience in AI/ML implementation within Azure environments. Confidence in both strategic planning and hands-on delivery. Strong stakeholder engagement skills and experience in Agile More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

.NET Developer

Stevenage, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
.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 investment banks, financial services companies, prestigious … work on the full project life cycle. .NET Developer applicants should have a skill set that encompasses some or all of the following: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript More ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

Senior Test Software Engineer

SG1, Stevenage, Hertfordshire, United Kingdom
Cirrus Selection Limited
Software Engineer experience required A software or electronics engineer with transferable talent into software development for test solutions: Strong ability to write software in languages such as C, C++, C# or ADA and motivated to develop reliable, high-performance software. Excellent analytical and design ability, including review and critical analysis. ‘Can do’ and flexible approach – you’ll enjoy solving technical More ❯
Employment Type: Permanent
Salary: £70000 - £75000/annum Excellent bonus, 37hr week, o' time
Posted:

Software Engineer - Undergraduate Placement 2026

Stevenage, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
MBDA
variety of development stages within our weapons systems including both embedded and front end software development on a range of platforms, such as Windows and Linux, utilising C, C++, C# and Java. Learn about the functional and technical robustness of project deliverables The importance of technical documentation. Work with other departments within the company, learning a general overview of the More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

.NET Developer

Hemel Hempstead, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Fitness Movement - Hemel Hempstead (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) Born in 2012 in California, our client began development on an app and website that made finding and booking classes effortless for fitness goers across … every day pretty damn gratifying. They are looking for .NET Developer with excellent knowledge of object orientated development principles and technologies such as: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive expert training on the latest technologies including: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework More ❯
Employment Type: Full-Time
Salary: £45,000 - £75,000 per annum
Posted:

C# Developer Full Stack .Net Core JavaScript

St. Albans, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
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 on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net … Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals More ❯
Employment Type: Full-Time
Salary: £85,000 - £100,000 per annum
Posted:

C# Developer Full Stack .Net Core JavaScript

st albans, east anglia, united kingdom
Hybrid / WFH Options
Client Server
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 on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net … Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals More ❯
Posted:

C# Developer Full Stack .Net Core JavaScript

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
Client Server
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 on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net … Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals More ❯
Posted:

Weapon System Simulation and Experimentation Engineer - Undergraduate Placement 2026

Stevenage, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
MBDA
the company process for delivering products to our customers, including test and certification. We work across a number of disciplines, primarily software development using programming languages such as C++, C# and Java within environments such as Visual Studio and Eclipse, but we also span system engineering, networking, hardware integration, and use of algorithms such as flight dynamics and rotational geometry. More ❯
Employment Type: Full-Time
Salary: £23,495 per annum
Posted:

Lead Software Developer

SG1, Stevenage, Hertfordshire, United Kingdom
Cirrus Selection Limited
new capabilities for domestic and international customers What they’re looking for: Proven experience as a Lead Software Engineer, adaptable and creative in approach Strong background in software development (C# and C++) Ability to lead a small development team and advance simulation environments Robust problem-solving skills and an open approach to software design Exposure to real-time software development More ❯
Employment Type: Permanent
Salary: £60000 - £65000/annum Good bonus, pension & overtime
Posted:

Software Engineer - Test Equipment Development

Stevenage, Hertfordshire, United Kingdom
Expleo UK LTD
Security Check Clearance) is essential. Essential skills Experience in embedded systems, with a proven track record in developing test systems that interface directly with hardware. Expertise in C, C++, C#, Assembler (8051, 8086), Embedded Linux, VxWorks, Test Stand, and tools such as DOORS, Rhapsody EA, Windchill, and MBSE frameworks is required, along with a background in real-time systems and More ❯
Employment Type: Permanent
Posted:

.NET Developer

Welwyn, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
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# Developer 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 9, Blazor … EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. You will be working alongside an MVP and well respect author on Agile and .NET/C# development. This is a truly fabulous opportunity to join a spectacular organization; one that offers a structured career progression programme, excellent training, exquisite offices and amazing benefits. Location: Welwyn Garden More ❯
Employment Type: Full-Time
Salary: £55,000 - £85,000 per annum
Posted:

.NET Developer

Broxbourne, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
into interactive brands that can operate across multiple platforms such as online, digital TV and mobile. As such we are seeking .NET Developer to join their dynamic .NET/C# team of high flying individuals. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you … training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD and MongoDB. This is an exciting opportunity to work on complex enterprise level .NET/C# software development projects. Our client offers a structured career progression programme, industry recognized training, flexible working hours and home working. These positions are urgent, as such our client guarantees to More ❯
Employment Type: Full-Time
Salary: £50,000 - £70,000 per annum
Posted:

.NET Developer

Hitchin, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
.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 ambitious .NET/C# projects to take place since the birth of the World Wide Web. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD and MongoDB. Our client More ❯
Employment Type: Full-Time
Salary: £50,000 - £75,000 per annum
Posted:

.NET Developer

Hertford, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
.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 More ❯
Employment Type: Full-Time
Salary: £45,000 - £70,000 per annum
Posted:

.NET Developer

Bishop's Stortford, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
see another 10 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 Developer 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 object orientated (OO) development and the full software development life cycle. This is a rare opportunity to join a truly exciting global brand. Our client offers over More ❯
Employment Type: Full-Time
Salary: £35,000 - £65,000 per annum
Posted:

.NET Developer

St. Albans, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
.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 cutting edge technologies they help their clients join the dots on Facebook, YouTube and the social web. … 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 More ❯
Employment Type: Full-Time
Salary: £55,000 - £75,000 per annum
Posted:

.NET Developer - Hemel Hempstead

Hemel Hempstead, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Fastest-Growing Internet Co Ever - Hemel Hempstead, Hertfordshire (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 changing the way merchants and consumers connect with each other worldwide, and the change has barely started. In 2024, they were the fastest-growing … are looking for .NET Developer to work on the development of complex Greenfield software applications. .NET Developer applicants should have detailed knowledge of: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. More ❯
Employment Type: Full-Time
Salary: £30,000 - £55,000 per annum
Posted:

.NET Developer

st albans, east anglia, united kingdom
Hybrid / WFH Options
Noir
.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 cutting edge technologies they help their clients join the dots on Facebook, YouTube and the social web. … 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 More ❯
Posted:
C#
Hertfordshire
10th Percentile
£45,125
25th Percentile
£81,250
Median
£85,000
75th Percentile
£87,500