18 of 18 C# Jobs in South Wales

Software Engineer

Hiring Organisation
IntaPeople
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£450000/annum
close collaboration and reviews, developing to the coding standards. Essential Skills/Experience Experience designing and developing complex web applications In-depth knowledge of C# ASP.NET MVC development. Understanding of software development best practices and OO design patterns. Experience writing unit tests. Familiar using version control systems (GIT & Azure ...

Development QA Tester

Hiring Organisation
Public Health Wales
Location
Cardiff, CF10 4BZ, United Kingdom
Salary
£31516.00 to £38364.00
designing and executing test cases in a structured environment. Experience using tools such as Selenium, Playwright, Postman, Azure DevOps. Hands-on use of C#, SQL, HTML, CSS, JavaScript for testing and automation. Exposure to Agile delivery and DevOps practices. Ability to ensure high standards of data quality. Experience of Jest ...

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 end-to-end test ...

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 end-to-end test ...

Senior Development Quality Assurance Tester

Hiring Organisation
Public Health Wales
Location
Cardiff, CF10 4BZ, United Kingdom
Salary
£39263.00 to £47280.00
Foundation Level (CTFL) Knowledge and experience of APIs, RESTful services and Microservice Architectures. Experience Essential Experience in designing and maintaining automated test frameworks using C#, Selenium and Playwright. Experience in designing advanced API test suites in Postman and test strategies when using standards such as FHIR. Experience of data validation ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Swansea, West Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
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 ...

Senior DevSecOps Engineer

Hiring Organisation
Yolk Recruitment Limited
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Infrastructure-as-Code (Terraform, ARM, Bicep), and container technologies (Docker, Kubernetes). Proficient with version control systems and scripting or programming languages (e.g. PowerShell, C#, TypeScript). Demonstrated ability to troubleshoot complex systems and lead incident investigation and resolution across diverse technology stacks. Benefits: 31 days annual leave + Bank ...

.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 the world to attract … 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 to make decisions about what ...

Technology Lead .NET & Azure

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Contract
Contract Rate
£370 per day
application modernization and application portfolio rationalization initiatives Ensure CI/CD best practices using Azure DevOps or similar tools Mandatory Skills .NET Core and C# Microsoft Azure services (App Services, Functions, API Management, Azure SQL, Storage, Service Bus, Event Grid) Microservices architecture and RESTful APIs Containerization using Docker and Kubernetes … days): Rate : £320-370 per day Inside IR35 Please let me know the year of experience you got in below skills: .NET Core/C#: Microsoft Azure: Microservices Architecture & RESTful APIs: Docker & Kubernetes: CI/CD Pipelines (Azure DevOps ...

.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 100 million games consoles and over … opportunity to work on the full project life cycle. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core, C# and Azure SQL. Our client can provide with exposure to: .NET 10.0, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core ...

Web Engineer

Hiring Organisation
Wealthify
Location
Penarth, Wales, United Kingdom
model. A good eye for UI detail, experience with modular CSS/SCSS, Git based collaboration and frontend testing approaches are required. Experience with C# .NET backend work, CI/CD or regulated industries such as FinTech is desirable but not mandatory. Beyond technical expertise, we value engineers … Frontend testing practices Web performance profiling Accessibility testing Good eye for UI detail Pragmatic problem-solving and knowing when to escalate Nice to Have C# .NET backend experience CI/CD pipelines Experience in regulated industries (e.g. FinTech) What we give you in return Competitive salary ...

Software Engineer .Net/ C#

Hiring Organisation
CPS Group
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Role: Software Engineer (.NET/C#) Working hours: 10am-6pm (aligned to US team)Fully Remote (UK-based)Salary: £50,000 - £60,000 p/annumCPS Group are partnering with a Data Consultancy to hire a Software Engineer to support their expanding US-facing development team. This role sits within … code, testing, and modern engineering practices, with exposure to large-scale, data-heavy systems.What You'll Be Doing:* Building and maintaining modern .NET/C# applications* Writing high-quality, testable code (unit tests, Git, CI/CD)* Supporting data-intensive platforms and migration projects* Working closely with Data Engineers ...

Software Engineer

Hiring Organisation
MRJ Recruitment
Location
Cardiff, UK
Employment Type
Full-time
will be doing: You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .NET, SQL and Azure Implementing secure authentication using OAuth, JWT and modern security patterns Exposing product capabilities for AI services and third-party integrations Producing … enjoys backend engineering and wants to step into more platform-level API work. You will likely bring: Strong experience building backend services in C# .NET Solid SQL and experience with relational databases Experience designing RESTful APIs and understanding fundamentals Familiarity with authentication approaches like OAuth or JWT Exposure to Azure ...

Software Engineer

Hiring Organisation
MRJ Recruitment
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
will be doing: You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .NET, SQL and Azure Implementing secure authentication using OAuth, JWT and modern security patterns Exposing product capabilities for AI services and third-party integrations Producing … enjoys backend engineering and wants to step into more platform-level API work. You will likely bring: Strong experience building backend services in C# .NET Solid SQL and experience with relational databases Experience designing RESTful APIs and understanding fundamentals Familiarity with authentication approaches like OAuth or JWT Exposure to Azure ...

Principal Machine Learning Engineer - Production Systems

Hiring Organisation
SoftInWay UK Ltd
Location
Newport, UK
Employment Type
Full-time
Solver Platform: Define modular architecture for data preprocessing, model execution, and post-processing. Establish clear API contracts between Python/TensorFlow and C# services. Productionize ML Workflows: Convert research code into robust, testable, and observable services. Implement CI/CD pipelines, automated testing, and reproducibility standards. Integration & Interoperability: Design REST …/gRPC endpoints for cross-language communication. Ensure compatibility with C#/.NET services. Performance & Scalability: Optimize GPU/CPU utilization, batching strategies, and memory management. Plan for multi-model and multi-tenant scenarios. MLOps & Lifecycle Management: Implement model versioning, artifact registries, and deployment workflows. Set up monitoring, logging ...

Quality Assurance Automation Engineer ID44635

Hiring Organisation
Humand Talent
Location
Newport, UK
Employment Type
Full-time
have real influence on quality, tooling, and delivery practices. What you'll do Own test automation using Playwright, SpecFlow & Postman Build automation frameworks in C# (cloud-first Azure) Support CI/CD and drive a shift-left testing approach Contribute to test strategy, planning, and performance testing (JMeter) Mentor others … champion quality across the team What we're looking for Strong C# and automation experience (framework build experience ideal) Familiar with Playwright, SpecFlow, Postman (+ JMeter a bonus) Comfortable in agile teams with strong communication skills Package £65,000 FTC + strong benefits (25 days holiday + bank hols, pension ...

SQL Database Developer

Hiring Organisation
Tenth Revolution Group
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
SQL Database Developer £60,000 About the Role We are looking for a Database Developer to join a growing technology-focused organisation that supports businesses with regulatory compliance and systems implementation. This is a unique ...

Firmware Engineer x 2

Hiring Organisation
Hunter Selection
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£45000 - £53000/annum Bonus + excellent benefits
product design and sustaining activities on a range of electronic based products. * Implementation of embedded firmware designs and test solutions pimarily in C and C# * Firmware development and de-bugging embedded systems * Implementation of cryptographic solutions and the creation of design documentation. Knowledge, Skills & Experience: o Engineering Degree or equivalent … related discipline o At least 4 years experience in Firmware development o Good working knowledge of low programming languages (C/C#) and scripting and the ability to use standard development software: debuggers, editors, compilers. For further information please email (url removed) If you are interested in this position please ...