Permanent C# Jobs in Hertfordshire

1 to 25 of 64 Permanent C# Jobs in Hertfordshire

Developer

Hitchin, Hertfordshire, South East, United Kingdom
Fortem
of types of development to meet business needs and differentiate Fortem from our competitors through innovation. What You Will Need Essential: Experience with .NET Framework/Core Experience with C# 8.0+ Experience using Azure cloud computing platform and services including Web App and Logic Apps Experience using source control (Visual Studio Online/Azure DevOps/GitHub) Experience of working More ❯
Employment Type: Permanent
Posted:

.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:

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:

Software Engineer Analyst - AI Trainer

Watford, Hertfordshire, UK
Hybrid / WFH Options
DataAnnotation
generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer More ❯
Posted:

Software Engineer in Test

Welwyn Garden City, England, United Kingdom
Hybrid / WFH Options
PayPoint plc
production release. Researching test tools, methodologies, and trends and upgrading existing practices and processes to improve the teams’ outputs. What we would like from you Knowledge of programming languages (C#) and frameworks (.Net) Knowledge of test methodologies and their corresponding tools. Exposure to Behaviour Driven Development and experience in programming and testing. The ability to recognize risks and errors in More ❯
Posted:

Software Engineer in Test

welwyn garden city, east anglia, united kingdom
Hybrid / WFH Options
PayPoint plc
production release. Researching test tools, methodologies, and trends and upgrading existing practices and processes to improve the teams’ outputs. What we would like from you Knowledge of programming languages (C#) and frameworks (.Net) Knowledge of test methodologies and their corresponding tools. Exposure to Behaviour Driven Development and experience in programming and testing. The ability to recognize risks and errors in More ❯
Posted:

Software Engineer in Test

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
PayPoint plc
production release. Researching test tools, methodologies, and trends and upgrading existing practices and processes to improve the teams’ outputs. What we would like from you Knowledge of programming languages (C#) and frameworks (.Net) Knowledge of test methodologies and their corresponding tools. Exposure to Behaviour Driven Development and experience in programming and testing. The ability to recognize risks and errors in More ❯
Posted:

Principal Software Engineer

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
easyJet
hands-on software-engineering experience at senior or technical-lead level, delivering and supporting large-scale, mission-critical systems. Proficiency in one or more modern programming languages (Python, Java, C# or Scala) with the ability to write, review and optimise production-grade code. Strong experience in API design and integration (REST, GraphQL, Kafka/event-driven architectures). In-depth More ❯
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:

Solutions Architect

st albans, east anglia, united kingdom
Method Resourcing
Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and non-technical stakeholders Excellent communication and stakeholder management skills Strategic thinker with More ❯
Posted:

Solutions Architect

watford, hertfordshire, east anglia, united kingdom
Method Resourcing
Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and non-technical stakeholders Excellent communication and stakeholder management skills Strategic thinker with More ❯
Posted:

Solutions Architect

St. Albans, Hertfordshire, England, United Kingdom
Method Resourcing
Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and non-technical stakeholders Excellent communication and stakeholder management skills Strategic thinker with More ❯
Employment Type: Full-Time
Salary: £85,000 - £95,000 per annum
Posted:

Solutions Architect

St. Albans, Hertfordshire, South East, United Kingdom
Method-Resourcing
Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and non-technical stakeholders Excellent communication and stakeholder management skills Strategic thinker with More ❯
Employment Type: Permanent
Salary: £95,000
Posted:

Senior Software Engineer

Stevenage, England, United Kingdom
Hybrid / WFH Options
Anson McCade
re Looking For: • Strong technical background in software design and architecture. • Experience with model-based engineering and software design patterns. • Proficiency in one or more programming languages (e.g. C++, C#, Java, Python). • Knowledge of modern engineering practices such as continuous integration and automated testing. • Ability to explain complex architectural concepts clearly and mentor development teams. • Skilled communicator with the More ❯
Posted:

Senior Software Engineer

stevenage, east anglia, united kingdom
Hybrid / WFH Options
Anson McCade
re Looking For: • Strong technical background in software design and architecture. • Experience with model-based engineering and software design patterns. • Proficiency in one or more programming languages (e.g. C++, C#, Java, Python). • Knowledge of modern engineering practices such as continuous integration and automated testing. • Ability to explain complex architectural concepts clearly and mentor development teams. • Skilled communicator with the More ❯
Posted:

Senior Software Engineer

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
Anson McCade
re Looking For: • Strong technical background in software design and architecture. • Experience with model-based engineering and software design patterns. • Proficiency in one or more programming languages (e.g. C++, C#, Java, Python). • Knowledge of modern engineering practices such as continuous integration and automated testing. • Ability to explain complex architectural concepts clearly and mentor development teams. • Skilled communicator with the More ❯
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:

.NET Developer - Hemel Hempstead

Hemel Hempstead, 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 ❯
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:

Software Engineering - Summer Placement 2026

Stevenage, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
MBDA
both embedded and front end software development on a range of platforms, such as Windows and Linux, utilising primarily C, C++ with potential for ADA and some scope for C# and Python dependant on the specific group and team. Learn about the functional and technical robustness of project deliverables. The importance of technical documentation. Work with other departments within the More ❯
Employment Type: Permanent, Work From Home
Posted:

Software Engineering - Summer Placement 2026

Stevenage, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
MBDA
both embedded and front end software development on a range of platforms, such as Windows and Linux, utilising primarily C, C++ with potential for ADA and some scope for C# and Python dependant on the specific group and team. Learn about the functional and technical robustness of project deliverables. The importance of technical documentation. Work with other departments within the More ❯
Employment Type: Full-Time
Salary: Competitive salary
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:

Medical Software Development Engineer, Japanese Speaking

Royston, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
Maplesoft
software development Understanding of the European Medical Device Regulation (EU MDR) Experience with image processing libraries such as OpenCV Development experience in C++ and Python Preferred Qualifications: Experience with C# Experience with medical device software certification (CE marking) Practical experience in medical image processing Experience developing and deploying machine learningbased image recognition models Familiarity with frameworks such as PyTorch or More ❯
Employment Type: Permanent, Work From Home
Posted:

PLC Automation Software Engineer

Royston, Hertfordshire, United Kingdom
ECM Selection (Holdings) Limited
control system which includes servomotors, proximity sensors, industrial communication protocols (EtherCAT or IO-Link), use of structured text languages (IEC (phone number removed). Additional experience with modern C++, C# or Python would be desirable. Similarly, experience with modern communication protocols (REST APIs, OPC UA) for high level system connectivity would be beneficial. Due to the nature of projects, the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
C#
Hertfordshire
10th Percentile
£31,875
25th Percentile
£40,625
Median
£60,000
75th Percentile
£84,688
90th Percentile
£92,500