1 to 25 of 28 .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 ...

Integration Developer

Hiring Organisation
Shaw Daniels Solutions
Location
Cardiff, UK
Employment Type
Full-time
other scripts as required. Proficient in manipulating and working with a range of data formats including JSON, XML, delimited text, Excel, etc. Familiarity with .Net development, Microsoft tools and DevOps. Responsible for the development of Azure Logic Apps, Azure Function Apps, workflows and other components as required. Provide architecture ...

Integration Developer

Hiring Organisation
Shaw Daniels Solutions
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
other scripts as required. Proficient in manipulating and working with a range of data formats including JSON, XML, delimited text, Excel, etc. Familiarity with .Net development, Microsoft tools and DevOps. Responsible for the development of Azure Logic Apps, Azure Function Apps, workflows and other components as required. Provide architecture ...

Systems Development Manager

Hiring Organisation
Public Health Wales
Location
Cardiff, CF10 4BZ, United Kingdom
Salary
£56514.00 to £63623.00
pair programming, version control, branching strategies, CI/CD pipelines, containerisation. Skills and Attributes Essential Excellent coding skills in some of the following: C#, .NET, SQL, Python, Java, Spring Boot and/or Typescript/Express/Node. Comfortable leading and influencing in complex or agile environments, collaborating with ...

Junior-Intermediate .NET Backend Developer

Hiring Organisation
NAVBLUE, an Airbus Company
Location
Cardiff, Wales, United Kingdom
Job Summary Aviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very cool! Come work for NAVBLUE, a leading services company owned by Airbus, dedicated to Flight ...

Senior Software Developer

Hiring Organisation
Public Health Wales
Location
Cardiff, CF10 4BZ, United Kingdom
Salary
£39263.00 to £47280.00
continuous improvement. What Youll Do Support development activities from concept to deployment, ensuring quality and timely delivery. Use modern development tools and standards (e.g., .NET, C#, SQL, Docker, Azure) to build and maintain high-quality solutions. Participate in code reviews, contribute to test automation, and follow high coding standards. … services, especially in a regulated industry e.g. finance or healthcare. Experience Essential Strong experience with programming languages related frameworks and structures (e.g. C#, JavaScript,.Net,MVC). Familiarity with database technologies (SQL). Experience with container platforms (ie. Docker, OpenShift). Proficiency with cloud platforms (ie. AWS, Azure ...

Principal Machine Learning Engineer - Production Systems

Hiring Organisation
SoftInWay UK Ltd
Location
Newport, UK
Employment Type
Full-time
/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 ...

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. ...

Quality Assurance Manager

Hiring Organisation
System1
Location
Cardiff, UK
Employment Type
Full-time
making risk visible and manageable. What you will be doing You will lead a QA organisation focused on automation-first testing within a microservices, .NET-based CI/CD ecosystem. Working closely with Engineering, DevOps, and Product, your goal will be to enable frequent — ideally daily — releases through scalable … your team works in and be able to challenge, guide, and support them effectively. You'll bring strong experience with test automation in a .NET environment, including designing and maintaining frameworks using C#, Selenium, and Reqnroll, and integrating these into CI/CD pipelines. Familiarity with unit and test ...

Quality Assurance Manager

Hiring Organisation
System1
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
making risk visible and manageable. What you will be doing You will lead a QA organisation focused on automation-first testing within a microservices, .NET-based CI/CD ecosystem. Working closely with Engineering, DevOps, and Product, your goal will be to enable frequent — ideally daily — releases through scalable … your team works in and be able to challenge, guide, and support them effectively. You'll bring strong experience with test automation in a .NET environment, including designing and maintaining frameworks using C#, Selenium, and Reqnroll, and integrating these into CI/CD pipelines. Familiarity with unit and test ...

AWS Cloud Engineer

Hiring Organisation
Durell Software
Location
Newport, UK
Employment Type
Full-time
meticulous attention to detail. • Experience in the insurance technology industry is not a requirement but it will help! Our technology stack is the following • .Net Core/.Net Framework C# & VB • JavaScript/jQuery • Aurora RDS (MySQL) • AWS (EC2,, S3, VPC etc.) • Azure DevOps (knowledge of CI/ ...

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. ...

Software Engineer

Hiring Organisation
IntaPeople
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£450000/annum
IntaPeople are currently working with fast growing but very established technology focussed client who are based in South Wales, UK and Europe. They have operations globally and work with some of the largest financial institutes ...

Software Architect

Hiring Organisation
Andela
Location
Cardiff, UK
Employment Type
Full-time
role requires strong backend, frontend, cloud, and infrastructure expertise in highly regulated, high-availability environments. Responsibilities Maintain, troubleshoot, and optimize a 10-year-old .NET and SQL Server codebase to ensure 99.9% uptime for remote monitoring services. Lead the refactoring and gradual replacement of monolithic modules into modern microservices … using .NET 6+, MongoDB, and Domain Driven Design (DDD). Develop and migrate user interfaces to a modern, responsive Angular framework. Own and manage the operational environment across legacy Windows Servers and modern Linux (Debian/RedHat) systems. Drive adoption of AWS cloud services and containerization using Kubernetes. Build ...

.NET Developer

Hiring Organisation
Argo Recruit
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
exciting role has opened for a senior .NET Developer to work with one of the UK's leading online survey platforms within the SaaS space. Working with different web applications my clients preference is that you have at least five years experience working with .NET with a major … focus in C#/.NET core. You will also have a history of building .NET applications in Docker and be able to coordinate changes across multiple applications and systems. This role also involves working with Vue.js - but my client would consider experience in React or Angular. Whilst ...

Senior Software Engineer - .Net, Azure. - Contract

Hiring Organisation
Curated
Location
Cardiff, UK
Employment Type
Full-time
Senior Software Engineer - .Net, Azure. - Contract Fully Remote | Contract Inside IR35 Only | 6 months with extension £750pd+ | Start ASAP 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 … 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 ...

Senior Software Engineer - .Net, Azure. - Contract

Hiring Organisation
Curated
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Senior Software Engineer - .Net, Azure. - Contract Fully Remote | Contract Inside IR35 Only | 6 months with extension £750pd+ | Start ASAP 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 … 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 ...

Senior Backend Developer (.NET | AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Cardiff, UK
Employment Type
Full-time
Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With ...

Software Engineer C#

Hiring Organisation
Ansys
Location
Cardiff, UK
Employment Type
Full-time
selection. You thrive in collaborative, cross-functional teams and find satisfaction in tackling complex technical challenges. With a strong foundation in C# and the .NET framework, you understand the importance of writing clean, maintainable code and adhering to best practices. You're eager to engage with stakeholders, value constructive … gather, clarify, and refine technical requirements for Granta MI's server-side components. Designing, developing, and maintaining scalable backend solutions using C# and the .NET framework to extend the capabilities of our flagship materials information management system. Performing rigorous code reviews, providing and receiving constructive feedback to ensure high ...

Software Engineer C#

Hiring Organisation
Ansys
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
selection. You thrive in collaborative, cross-functional teams and find satisfaction in tackling complex technical challenges. With a strong foundation in C# and the .NET framework, you understand the importance of writing clean, maintainable code and adhering to best practices. You're eager to engage with stakeholders, value constructive … gather, clarify, and refine technical requirements for Granta MI's server-side components. Designing, developing, and maintaining scalable backend solutions using C# and the .NET framework to extend the capabilities of our flagship materials information management system. Performing rigorous code reviews, providing and receiving constructive feedback to ensure high ...

Senior Software Engineer

Hiring Organisation
Ryft
Location
Cardiff, UK
Employment Type
Full-time
backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software engineer … bugs Contribute to architectural and technical decisions Collaborate with cross-functional teams to define and refine platform features Technical Skills Required Proficiency in C# .NET Experience in testing software and version control Familiarity with NoSQL databases AWS experience Experience with CI/CD tools (e.g., Github) Nice to Have ...

Senior Software Engineer

Hiring Organisation
Ryft
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software engineer … bugs Contribute to architectural and technical decisions Collaborate with cross-functional teams to define and refine platform features Technical Skills Required Proficiency in C# .NET Experience in testing software and version control Familiarity with NoSQL databases AWS experience Experience with CI/CD tools (e.g., Github) Nice to Have ...