1 to 25 of 53 .NET Jobs in South Wales

.NET Developer

Hiring Organisation
Noir
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
.NET Developer, .NET 10.0, C# 14 - Computer Gaming Company - Cardiff (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Having sold over … games over the last decade, my client is undoubtedly the world's most recognised computer gaming brand. We have 6 brand new requirements for .NET Developer with an extensive array of talent and expertise to work in their plush Cardiff offices. You will be given complete ownership of your ...

.NET Developer

Hiring Organisation
Noir
Location
Swansea, West Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
.NET Developer - Swansea (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over … engage, and delight customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire .NET Developer (ASP.NET, C#) to become a part of their ever growing family. They believe that individual .NET Developer are in the best position ...

Senior Software Engineer - Frontend

Hiring Organisation
Areti Group | B CorpTM
Location
Cardiff, UK
Employment Type
Full-time
Strong communicator and collaborator, able to work effectively in cross-functional teams. Passionate about creating intuitive, high-quality user experiences. Desirable Experience with Vue.js, .NET Core, SQL Server, and/or Microsoft Azure. Familiarity with message queuing systems such as Azure Service Bus. ...

Senior Software Engineer - Frontend

Hiring Organisation
Areti Group | B CorpTM
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Strong communicator and collaborator, able to work effectively in cross-functional teams. Passionate about creating intuitive, high-quality user experiences. Desirable Experience with Vue.js, .NET Core, SQL Server, and/or Microsoft Azure. Familiarity with message queuing systems such as Azure Service Bus. ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
Cardiff, UK
Employment Type
Full-time
work with. Our tech stack: We use and leverage AWS as much as possible and manage it with Terraform. Services are written in C# (.NET 9) and deployed to ECS or Lambda via GitHub Actions. We use Postgres, SNS/SQS and Redis. We have good ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
work with. Our tech stack: We use and leverage AWS as much as possible and manage it with Terraform. Services are written in C# (.NET 9) and deployed to ECS or Lambda via GitHub Actions. We use Postgres, SNS/SQS and Redis. We have good ...

Automation Test Engineer

Hiring Organisation
Fruition Group
Location
Cardiff, UK
Employment Type
Full-time
automation best practices. Automation Test Engineer Requirements Skills & Qualifications: 5+ years' experience in test automation with frameworks like SpecFlow and Playwright. Strong C#/.NET programming skills Experience testing GraphQL and REST APIs and building automated test suites. Solid SQL skills for data validation and workflow testing. Proficient ...

Automation Test Engineer

Hiring Organisation
Fruition Group
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
automation best practices. Automation Test Engineer Requirements Skills & Qualifications: 5+ years' experience in test automation with frameworks like SpecFlow and Playwright. Strong C#/.NET programming skills Experience testing GraphQL and REST APIs and building automated test suites. Solid SQL skills for data validation and workflow testing. Proficient ...

Software Support Engineer

Hiring Organisation
Identify Solutions
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£34,000 - £37,000 per annum
will bring:We are looking for someone with broad technical skills, ideally with experience in some of the following: Azure, WordPress, Craft CMS, PHP, .NET, JavaScript, TypeScript, React, SQL or other databases, GitHub and JIRA. You should be methodical, customer-focused and proactive, comfortable working across a range ...

Software Tester

Hiring Organisation
Candour
Location
Cardiff, UK
Employment Type
Full-time
querying JSON data. Hands-on experience with Postman or similar tools for API testing. Nice to have: ISTQB Software Testing Foundation qualification. Familiarity with .NET Core/Standard or JavaScript-based front-end frameworks. Experience working in a microservices environment. Experience with automation testing. Extra Benefits: Free parking Private ...

Software Tester

Hiring Organisation
Candour
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
querying JSON data. Hands-on experience with Postman or similar tools for API testing. Nice to have: ISTQB Software Testing Foundation qualification. Familiarity with .NET Core/Standard or JavaScript-based front-end frameworks. Experience working in a microservices environment. Experience with automation testing. Extra Benefits: Free parking Private ...

.NET/Java Developer

Hiring Organisation
Noir
Location
Bridgend, Mid Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
.NET/Java Developer (Tech stack: .NET Developer, C#, Java, Azure, Kubernetes, DevOps, ReactJS, Microservices, CI/CD, Backend Developer) Our client is a forward-thinking technology organisation delivering cloud-based enterprise solutions. They are seeking a .NET/Java Developer to design, develop, and maintain their ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Cardiff, UK
Employment Type
Full-time
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 … scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
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 … scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams ...

Senior Backend Web Developer with AI Expertise

Hiring Organisation
Narwhal Media Group (NMG)
Location
Newport, UK
Employment Type
Full-time
About the Role We are seeking a highly skilled Senior Backend Web Developer with expertise across multiple backend technologies such as Python, .NET, and PHP to join our growing development team working on our AI communications platform. In this role, you will architect, build, and maintain robust backend systems … intelligent features across our products. Key Responsibilities Backend Development: Design, develop, and maintain scalable backend services and APIs using varied languages such as Python, .NET, and PHP. Optimize system performance, reliability, and security across all backend components. Ensure high code quality through best practices, testing, and documentation. Technical Leadership ...

Principal Software Engineer

Hiring Organisation
Harrington Starr
Location
Cardiff, UK
Employment Type
Full-time
Career progression in a fast-growing international technology business. Key skills required: 10+ years' experience in enterprise architecture and software engineering. Proven expertise in .NET with strong SaaS and API platform experience. Hands-on track record designing highly scalable, high-performance systems. Strong leadership, mentoring, and stakeholder management skills. ...

Principal Software Engineer

Hiring Organisation
Harrington Starr
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Career progression in a fast-growing international technology business. Key skills required: 10+ years' experience in enterprise architecture and software engineering. Proven expertise in .NET with strong SaaS and API platform experience. Hands-on track record designing highly scalable, high-performance systems. Strong leadership, mentoring, and stakeholder management skills. ...

iSeries Development Lead

Hiring Organisation
IntaPeople
Location
Cardiff, Saint Fagans, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£58000 - £62000/annum
Line managing the iSeries team including workload planning, development and pastoral support What you’ll need Strong experience developing in RPG, COBOL, Java or .NET Understanding of the AS400 environment (CL, DDS, DB2 etc) Ability to design specs, analyse systems and support testing and user journeys Experience working with ...

Senior Software Engineer - Fullstack

Hiring Organisation
Areti Group | B CorpTM
Location
Cardiff, UK
Employment Type
Full-time
Work in an agile environment on a large-scale software product. About You Strong experience in full stack development, with expertise in C#/.NET (Framework and Core) and JavaScript (Vue.js experience is a plus). Comfortable working across the stack and learning new technologies quickly. Skilled in writing … work effectively in cross-functional teams. Passionate about creating high-quality, user-focused software solutions. Bonus Points If You Have Experience with Vue.js, .NET Core, SQL Server, and/or Microsoft Azure. Familiarity with message queuing systems such as Azure Service Bus. ...

Senior Software Engineer - Fullstack

Hiring Organisation
Areti Group | B CorpTM
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Work in an agile environment on a large-scale software product. About You Strong experience in full stack development, with expertise in C#/.NET (Framework and Core) and JavaScript (Vue.js experience is a plus). Comfortable working across the stack and learning new technologies quickly. Skilled in writing … work effectively in cross-functional teams. Passionate about creating high-quality, user-focused software solutions. Bonus Points If You Have Experience with Vue.js, .NET Core, SQL Server, and/or Microsoft Azure. Familiarity with message queuing systems such as Azure Service Bus. ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Cardiff, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal … class or 2:1 degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal … class or 2:1 degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. ...

Senior Software Engineer - Backend

Hiring Organisation
Areti Group | B CorpTM
Location
Cardiff, UK
Employment Type
Full-time
product teams, you'll ensure seamless integration and optimal performance. What You'll Do Lead the development of back-end features and services using .NET technologies. Collaborate with product and engineering managers to define priorities and deliverables. Optimize for scalability, performance, and maintainability across the codebase. Mentor and coach … ongoing enhancements. Work in an agile environment on a large-scale software product. About You Strong experience in back-end development with C# and .NET (Framework and Core). Comfortable working across the stack when needed, with some exposure to front-end technologies. Skilled in writing clean, testable code ...

Senior Software Engineer - Backend

Hiring Organisation
Areti Group | B CorpTM
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
product teams, you'll ensure seamless integration and optimal performance. What You'll Do Lead the development of back-end features and services using .NET technologies. Collaborate with product and engineering managers to define priorities and deliverables. Optimize for scalability, performance, and maintainability across the codebase. Mentor and coach … ongoing enhancements. Work in an agile environment on a large-scale software product. About You Strong experience in back-end development with C# and .NET (Framework and Core). Comfortable working across the stack when needed, with some exposure to front-end technologies. Skilled in writing clean, testable code ...

Senior Software Engineer (.NET, Azure) - Contract

Hiring Organisation
Curated
Location
Cardiff, UK
Employment Type
Full-time
Senior Software Engineer - .Net, Azure. - Contract £700 - 750pd UK, Remote | Contract Inside IR35 Only | 6 months January start. Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking to bring in highly … systems pragmatically, and the confidence to contribute to architectural and technical decisions. What You'll Be Doing Designing and building backend services using modern .NET Developing and scaling cloud-native solutions on Microsoft Azure Working with large, data-heavy systems using SQL Improving and refactoring existing systems to support ...