.NET Developer Jobs in Cardiff

25 of 25 .NET Developer Jobs in Cardiff

.NET Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C# - Computer Gaming Company - Cardiff (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Having sold over 100 million games consoles and 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 business area and the opportunity to work on the full project life cycle. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide with exposure to: .NET 9, Azure, Angular More ❯
Posted:

Contract .NET Developer - Energy Trading

Cardiff, Wales, United Kingdom
JR United Kingdom
Social network you want to login/join with: Contract .NET Developer - Energy Trading, cardiff col-narrow-left Client: Oliver Bernard Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description … Contract .NET Developer – Energy Trading - £750/day – OUTSIDE IR35 We’re looking for an experienced .NET Developer to play a crucial role in designing, developing, and delivering high-quality, test-driven object-oriented software that supports the full trade lifecycle. You’ll work across a … closely with Technical Leads, Architects, and key business stakeholders to deliver robust and scalable solutions. Key Responsibilities Design, develop, and deliver high-quality C# .NET solutions in a complex trading or data-driven environment. Work closely with Vertical Leads (Delivery, Technical, QA, Architecture, and Functional) to ensure seamless software More ❯
Posted:

Senior Full Stack C# .NET Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack C# .NET Developer, cardiff col-narrow-left Client: WebX Systems Ltd. Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 9 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide … Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven legacy systems … journey to become the global leader in aerospace and defence content management. Role Overview We're looking for a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help More ❯
Posted:

Lead .Net Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Lead .NET Developer - Contract Warwick based - Hybrid working I'm currently working with a well-established and fast-growing digital agency that's looking for a talented and experienced Lead .NET Developer to take on a pivotal … with both internal teams and external stakeholders, so solid client-facing and stakeholder management skills are essential. Skills needed: Strong background in C#/.NET , particularly .NET Core , Web APIs, and modern architectural patterns Proven experience leading or mentoring other developers and driving technical decisions Experience with cloud … maintainable code and best practices Previous experience in a digital agency or consulting environment is highly desirable Please apply asap if interested - GleeIT Lead .Net Developer At Gleeson Recruitment Group, we embrace inclusivity and welcome applicants of all backgrounds, experiences, and abilities. We are proud to be a More ❯
Posted:

Senior Full Stack Developer - .NET, Blazor

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack Developer - .NET, Blazor, cardiff col-narrow-left Client: Oliver Bernard Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job … Description: Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £65,000-£70,000 Our client in the retail space are a market leader in providing warehousing, manufacturing and logistic services across the UK. This is a great opportunity to work on a migration … piece moving from ASP.NET MVC to modern Blazor as they look to roll out a new system. They are also undergoing a migration to .NET 9. They are looking for a Senior Full Stack Developer who has experience with .NET Framework/Core and Blazor. Tech Stack More ❯
Posted:

.NET Developer, .NET 8, C# – Computer Gaming Company – Cardiff

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
Noir Consulting
.NET Developer, .NET 8, C# – Computer Gaming Company – Cardiff Our client, a leading computer gaming company with a history of selling over 100 million games consoles and 500 million games, is seeking to hire .NET Developers with expertise in .NET 8 and C# to join More ❯
Posted:

.Net Developer (ASP.Net, C#, Azure, React)

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
.Net Developer (ASP.Net, C#, SQL Server, Azure, React)- £45,000 – South Wales/South West based/Remote – Remote working, flexible working, career progression, daily lunches, 24 + 8 days bank holiday! A positive working environment where your work will be impacting a variety of sectors including the … in the last 2-3 years. A team who are passionate about growth mindset, and always aiming to get better! The Role As a .NET Developer, you will be contributing to the company’s suite of both products and websites. The role offers vast amount of variety – and … looking to push forward their offering. The role is largely remote with monthly meetings in the South West/South Wales region. Apply now! .Net Developer (ASP.Net, C#, SQL Server, Azure, React)- £45,000 – South Wales/South West based/Remote – Remote working, flexible working, career progression More ❯
Posted:

Full Stack React/.NET Developer

Cardiff, Wales, United Kingdom
JR United Kingdom
Social network you want to login/join with: Full Stack React/.NET Developer, cardiff col-narrow-left Client: XCM Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description … Full Stack React/.NET Developer Please find below the job description for the Full Stack React/.NET Developer role at XCM. While experience with the tech stack we’ve mentioned is critical we’re just as keen to find people who also: Self learn … the following: Develop and maintain new/existing frontend UI using React (JS/TS) Develop and maintain the backend of frontend solutions using .NET Core Problem solving and troubleshooting. Documentation. Participation in team meetings and supporting colleagues and co-workers Estimation of work Write and run SQL queries More ❯
Posted:

Software Developer (.NET)

Cardiff, South Glamorgan, United Kingdom
Hybrid / WFH Options
Cognibox
Software Developer (.NET) Department: Technology & Product Employment Type: Permanent Location: Cardiff, UK Reporting To: Development Manager Description Creating Safer Workplaces for Everyone. We want to create a better working world by building a global network of responsible buyers and suppliers. Alcumus SafeContractor takes the pain out of compliance … and contractors by keeping them compliant with the standards that matter most, from health and safety and sustainability to ethical behaviour. As a Software Developer (.NET) , you will play a pivotal role in building high-quality software applications that shape the future of our technology solutions. By collaborating … improvement in development practices, influence the product roadmap, and deliver impactful features that enhance both user experience and business value. Your technical expertise in .NET, combined with your ability to communicate complex ideas to non-technical stakeholders, will contribute to the development of cutting-edge products and the growth More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer (.NET)

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
Cognibox
Software Developer (.NET) Department: Technology & Product Employment Type: Permanent Location: Cardiff, UK Reporting To: Development Manager Description Creating Safer Workplaces for Everyone. We want to create a better working world by building a global network of responsible buyers and suppliers. Alcumus SafeContractor takes the pain out of compliance … and contractors by keeping them compliant with the standards that matter most, from health and safety and sustainability to ethical behaviour. As a Software Developer (.NET) , you will play a pivotal role in building high-quality software applications that shape the future of our technology solutions. By collaborating … improvement in development practices, influence the product roadmap, and deliver impactful features that enhance both user experience and business value. Your technical expertise in .NET, combined with your ability to communicate complex ideas to non-technical stakeholders, will contribute to the development of cutting-edge products and the growth More ❯
Posted:

.Net Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
Hays
.Net Developer Contract - Paying between £500 to £700 Per Day, Inside IR35, Based in South Wales, Hybrid Working, To Start ASAP Your new company You will be working with a leading organisation that is based in South Wales. Your new role We are looking for a .Net Developer to join a Digital & Technology team. As part of an Agile development group, you will play a key role in delivering IT services, including infrastructure, applications, and solutions. Working closely with the Test Manager, you will help resolve system issues, implement changes, and maintain existing platforms. Key … responsibilities: * Develop and maintain software solutions for both internal and external users, including front-end applications and back-end .NET API services * Write, test, and refine programs or scripts of medium-to-high complexity, ensuring adherence to industry standards and best practices * Apply modern development standards and guide others More ❯
Posted:

Full-Stack .NET Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Full-Stack .NET Developer – Up to £52,000 – Fully Remote Join Dante, a leading provider of innovative software solutions for the training industry and be part of our remarkable journey of substantial business growth. We are currently seeking an … experienced Full-Stack .NET Developer to join our small, talented development team working alongside our Senior Developer and Technical Director. You'll play a key role in our ongoing modernisation project, transforming our training software from legacy .NET MVC to modern .NET and Angular architecture. … system translation for global expansion and building robust role-based access control (RBAC) for granular user permissions. Key Responsibilities Work closely with our Senior Developer to modernise legacy applications to .NET 9 and Angular Build robust backend services using Clean Architecture and Domain-Driven Design principles Develop responsive More ❯
Posted:

.Net Developer (Cardiff)

Cardiff, UK
Hybrid / WFH Options
Hays
.Net Developer Contract - Paying between £500 to £700 Per Day, Inside IR35, Based in South Wales, Hybrid Working, To Start ASAP Your new company You will be working with a leading organisation that is based in South Wales. Your new role We are looking for a .Net Developer to join a Digital & Technology team. As part of an Agile development group, you will play a key role in delivering IT services, including infrastructure, applications, and solutions. Working closely with the Test Manager, you will help resolve system issues, implement changes, and maintain existing platforms. Key … responsibilities: * Develop and maintain software solutions for both internal and external users, including front-end applications and back-end .NET API services * Write, test, and refine programs or scripts of medium-to-high complexity, ensuring adherence to industry standards and best practices * Apply modern development standards and guide others More ❯
Employment Type: Part-time
Posted:

Senior Software Developer (.Net)

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Developer (.Net), cardiff col-narrow-left Client: Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: The role here … like AI-powered customer acquisition, automated lead validation, and multi-channel digital marketing within the Martech sector. The work is more back-end focused, .Net 8, SQL with Azure Cloud. But some Blazor or React work is available. Artificial Intelligence/AI is something they are also looking heavily … be developing both internal and external facing systems. Following a modern approach to CI/CD and Infrastructure as Code (IaC) Skills Needed Skilled .Net Developer - modern with .Net Core SQL Database Experience with Event Driven Design (like Rabbit MQ) Cloud would be ideal - they use Azure More ❯
Posted:

.NET Developer (Mid-Level)

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Lambourn, RG17 7UU: reliably commute at last twice a week (required) Experience: .NET: 3 years (required) Licence/Certification: Driving Licence (required) United Kingdom (required) Work Location: Hybrid remote in Lambourn, RG17 7UU NO RECRUITMENT AGENCIES PLEASE Share Options: Offered … after probation period Reports to: Senior .NET Developer, CTO Schedule: Monday to Friday Ability to commute/relocate: Lambourn, RG17 7UU: reliably commute or plan to relocate before starting work (required) Experience: .NET: 3 years (required) Licence/Certification: Driving Licence (required) United Kingdom (required) Work Location … collaborative hybrid working environment, career progression opportunities, and a chance to make a meaningful impact from day one. Role Overview As a Mid-Level .NET Developer, you'll be enhancing and maintaining our core platform. You’ll take ownership of tasks, work independently on features/components, and More ❯
Posted:

.NET Developer

Cardiff, Wales, United Kingdom
JR United Kingdom
Social network you want to login/join with: Contract Opportunity – Azure .NET Developer (Hybrid – Manchester) I'm hiring for a contract Azure .NET Developer to join a Manchester-based client on a hybrid basis (2 days on-site) . Key Skills Required: C# (.NET More ❯
Posted:

Senior .NET Backend Developer

Cardiff, South Glamorgan, United Kingdom
Hybrid / WFH Options
Navtech, Inc
Our global teams deliver a reliable, optimum, and customized user experience to more than 500 customers worldwide. We are looking for a seasoned Software Developer with experience in designing, implementing, and optimizing SaaS applications in a microservices-based environment. As a member of our team, you will contribute to … are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and maintain existing .NET (C#) code in an AWS cloud environment Focus on quality by promoting coding best practices, a test-first mindset and highest security standards Contribute … the latest best practices in software engineering. Required Skills/Experience: 6+ years of professional experience in software development Recent experience developing software with .NET or .NET Framework, C#, and AWS (or other cloud service providers) Experience writing unit tests, component testing, integration testing, covering both functional and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior .NET Backend Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
Navtech, Inc
Our global teams deliver a reliable, optimum, and customized user experience to more than 500 customers worldwide. We are looking for a seasoned Software Developer with experience in designing, implementing, and optimizing SaaS applications in a microservices-based environment. As a member of our team, you will contribute to … are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and maintain existing .NET (C#) code in an AWS cloud environment Focus on quality by promoting coding best practices, a test-first mindset and highest security standards Contribute … the latest best practices in software engineering. Required Skills/Experience: 6+ years of professional experience in software development Recent experience developing software with .NET or .NET Framework, C#, and AWS (or other cloud service providers) Experience writing unit tests, component testing, integration testing, covering both functional and More ❯
Posted:

Junior-Intermediate .NET Backend Developer

Cardiff, South Glamorgan, United Kingdom
Hybrid / WFH Options
Navtech, Inc
Our global teams deliver a reliable, optimum, and customized user experience to more than 500 customers worldwide. We are looking for an enthusiastic Software Developer to join our team, where you'll have the opportunity to grow your skills working with SaaS applications in a microservices-based environment. As … are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and maintain existing .NET (C#) code in an AWS cloud environment Contribute to code quality by applying coding best practices, learning about test-first mindsets, and following security … code, following best practices in software engineering Required Skills/Experience: 1+ years of professional experience in software development Recent experience developing software with .NET or .NET Framework, C#, and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior-Intermediate .NET Backend Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
Navtech, Inc
Our global teams deliver a reliable, optimum, and customized user experience to more than 500 customers worldwide. We are looking for an enthusiastic Software Developer to join our team, where you'll have the opportunity to grow your skills working with SaaS applications in a microservices-based environment. As … are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and maintain existing .NET (C#) code in an AWS cloud environment Contribute to code quality by applying coding best practices, learning about test-first mindsets, and following security … code, following best practices in software engineering Required Skills/Experience: 1+ years of professional experience in software development Recent experience developing software with .NET or .NET Framework, C#, and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices More ❯
Posted:

Senior .Net Developer (Azure)

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: We are seeking a hands-on Senior developer to join a reputable fintech banking as a service organisation. You will be responsible for mentoring and providing continuous improvement. Working alongside peers we are looking for someone who enjoys collaborating with More ❯
Posted:

.Net Integration Developer

Cardiff, Wales, United Kingdom
JR United Kingdom
Social network you want to login/join with: .Net Integration Developer (Hybrid, Occasional Travel to Ireland) Looking to build meaningful, scalable integrations in a supportive and fast-moving tech environment? We're hiring an Integration Developer to help us drive forward our integration capabilities and elevate More ❯
Posted:

Dotnet Developer

Cardiff, Wales, United Kingdom
JR United Kingdom
Social network you want to login/join with: The .NET Software Engineer is primarily responsible for providing development, enhancement, troubleshooting and maintenance services on investment software solutions. What Will You Do: Develop cutting-edge components and modules for our investment software solutions in global projects. Identify and troubleshoot … results. Be a key player to the transformation towards cloud-native applications What Will You Bring: 2+ years of professional development experience using Microsoft .Net C# to build web applications with Web API and ASP.NET. Experience in development Frameworks (.Net Core, ASP.NET, MVC, Windows Services, Web Services, ORM More ❯
Posted:

Senior Dotnet Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
JR United Kingdom
our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior .Net Engineer to join the savings team. We’re currently in the midst of a platform revolution as we re-architect towards a more resilient … and cut your teeth into some exciting and pivotal problems. The stack is currently a React Native mobile app (currently being rewritten), with a .Net microservice architecture (monolith + services). Key Responsibilities: Service Creation: Drive the development of robust, scalable services that underpin the customer experience. Feature Development … open standards such as OpenTelemetry and OpenApi About you At least 5 years of professional experience in software development, with a strong focus on .Net technologies. Expertise in .Net framework, C#, and demonstrable experience of building event-driven distributed platforms Experience with Azure and database technologies (SQL/ More ❯
Posted:

Dotnet Developer

Cardiff, Wales, United Kingdom
Empyrean Digital
Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Empyrean Digital by 2x. Get notified about new Dotnet Developer jobs in Cardiff, Wales, United Kingdom . Recent postings include: Cardiff, Wales, United Kingdom £50,000-£60,000, 23 hours ago Cardiff, Wales, United More ❯
Posted:
.NET Developer
Cardiff
Median
£50,000