1 to 25 of 34 Permanent .NET Jobs in Cardiff

Social network you want to login/join with: .Net Full Stack Developer (SC Eligible), Cardiff Client: Stealth iT Consulting Location: Cardiff, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 3 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen … Terraform Experience using Docker and Docker Compose Experience integrating with relational databases (e.g., SQL Server, Postgres) A strong understanding of web standards, accessibility, and development best practices Experience with .NET Entity Framework (EF Core) #J-18808-Ljbffr More ❯

.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 500 million 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 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. This is a truly amazing opportunity to work for a forward thinking and progressive company, one that can provide More ❯

reviews, deployment, and support. Teams 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 to building new and improving … and high-quality code, applying 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 non-functional aspects Hands-on … testing (covering functional and non-functional aspects). Demonstrable knowledge of ISTQB best practices. ISTQB certification is a strong asset Experience with WPF (Windows Presentation Foundation) Understanding of ASP .NET MVC and ASP .NET Web pages Understanding of airline operations, flight planning, or air navigation principles Passion for the aviation industry We offer: Hybrid work environment with up More ❯

constraints into actionable backlogs. Work closely with compliance/legal advisors and tax consultants to validate product decisions and ensure alignment with HMRC requirements. Collaborate across mobile (Flutter), backend (.NET), Product Designer, QA Engineer and back-office teams to ensure a cohesive delivery plan. Coordinate with outsourced partners to define escalation, submission, and support flows. Define technical and product … how to get things over the line, even with constraints. Strong communication, problem-solving, agile, user experience, data analysis skills The Company Tech Stack (for context): Mobile : Flutter Backend : .NET, C#, SQL, RESTful APIs, Azure DevOps Frontend : Angular, JavaScript, HTML/CSS Infrastructure : Microservices, CI/CD pipelines Your Mission: Launch a working MVP of the company’s MTD More ❯

reviews, and deployment processes. Teams 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 standards Actively participate in implementing … robust, maintainable, and high-quality 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 to keep code maintainable Hands … technical challenges and bottlenecks, constructively proposing and implementing effective solutions, while actively building team engagement and fostering a positive atmosphere Experience with WPF (Windows Presentation Foundation) Understanding of ASP .NET MVC and ASP .NET Web pages Basic understanding of airline operations, flight planning, or air navigation principles Passion for the aviation industry We offer: Hybrid work environment with More ❯

Full Stack Developer - C# .Net/JavaScript/SQL - Cardiff - Hybrid - £60,000 The Role A innovative tech focused software house is looking for a talented Full Sack Developer to join their growing development team. You will also have the opportunity to work on new and existing projects based in Amazon Web Service as the company continues to scale More ❯

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 … 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: C#, .NET Core, SQL, Blazor … this role. Salary is paying £65,000-£70,000 Working hours: 9am-5pm Monday-Friday Please apply now if you are interested in hearing more Senior Full Stack Developer - .NET, Blazor #J-18808-Ljbffr More ❯

Role: .NET Developer Salary: £35,787 - £43,759 Location: Cardiff (hybrid) The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through some incredible projects whilst working with one of the first fully cloud-based organizations. We are now looking for a .NET developer to help design, code and … or similar cloud platforms (such as AWS or Google Cloud) Experience working with a front end JavaScript framework such as Vue, React or Angular etc. Working knowledge of the .NET platform Think this one’s for you If you think this .NET Developer opportunity is for you then please apply online. Yolk Public Sector & Not-for-Profit team More ❯

Role: .NET Developer Salary: £35,787 - £43,759 Location: Cardiff (hybrid) The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through some incredible projects whilst working with one of the first fully cloud-based organizations. We are now looking for a .NET developer to help design, code and … or similar cloud platforms (such as AWS or Google Cloud) Experience working with a front end JavaScript framework such as Vue, React or Angular etc. Working knowledge of the .NET platform Think this one's for you If you think this .NET Developer opportunity is for you then please apply online. Yolk Public Sector & Not-for-Profit team More ❯

month Are you passionate about using technology for social good? I'm helping a mission-driven AI start-up find a Full-Stack Software Engineer, well-versed in C# .Net & React.js, along with exposure to Azure. They're tackling one of the most urgent challenges of the digital age: identifying and mitigating online harms. The technical skills you'll … need Proven C# .Net experience in an environment using Azure. Good use of React.js (or other modern JS libraries, but they use React.js) Exposure to event-based service-oriented architectures. Experience with CI/CD tools and container orchestration. Any use of Python & Azure DevOps would be a bonus. The right person will Be down-to-earth, easy to More ❯

a month !! Are you passionate about using technology for social good? Im helping a mission-driven AI start-up find a Full-Stack Software Engineer, well-versed in C# .Net & React.js, along with exposure to Azure. Theyre tackling one of the most urgent challenges of the digital age: identifying and mitigating online harms. The technical skills youll need Proven … C# .Net experience in an environment using Azure. Good use of React.js (or other modern JS libraries, but they use React.js) Exposure to event-based service-oriented architectures. Experience with CI/CD tools and container orchestration. Any use of Python & Azure DevOps would be a bonus. The right person will Be down-to-earth, easy to get on More ❯

technologies and patterns, providing clear rationale for adoption or avoidance. What You’ll Bring Strong track record in solution architecture roles within complex, software-driven environments. Deep knowledge of .NET Core/.NET 6+, C#, and modern backend architectures. Expertise in Azure services including App Services, Service Bus, Key Vault, Cosmos DB. Extensive experience designing and delivering APIs More ❯

with Agile teams to deliver secure and maintainable software solutions. Our projects primarily utilise React and TypeScript for front-end development with varied back-end technologies including Python, Node.js, .NET and Ruby. You'll benefit from robust DevOps support, established delivery processes and the autonomy to shape how we approach and deliver projects. Over time, as trust and familiarity … ability to undergo a Security Clearance (SC) application if not a current holder A Computer Science, Software Development or related degree Exposure or interest in additional frameworks/languages (.NET, Ruby on Rails, Go) or willingness to learn new technologies Experience with secure coding practices and awareness of software assurance principles Active SC clearance Our Offer At Ntegra, we More ❯

.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 healthcare space. Support the growth of a business which has doubled … 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 boasts a collaborative culture with some of the brightest minds in … software team who are constantly 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, daily lunches, 24 + 8 days More ❯

C# .Net, React.js & Azure. Product development tackling online harms. 28 days holiday + bank holidays + BUPA medical. !! UK-based applicants only !! Close enough to get to their Cardiff office a couple of times a month !! Are you passionate about using technology for social good? I’m helping a mission-driven AI start-up find a Full-Stack Software … Engineer, well-versed in C# .Net & React.js, along with exposure to Azure. They’re tackling one of the most urgent challenges of the digital age: identifying and mitigating online harms. The technical skills you’ll need Proven C# .Net experience in an environment using Azure. Good use of React.js (or other modern JS libraries, but they use React.js More ❯

You will also mentor engineers, junior/graduate engineers & trainee engineers contributing to their growth, knowledge, and reviewing their code. Experience that will put you ahead of the curve .NET (8) JavaScript (ES6+)/TypeScript Node JS Azure Services Application monitoring practices, such as metrics, tracing and logging Testing frameworks (e.g. Playwright, XUnit, Jest, Enzyme, React Testing Library & Nightwatch More ❯

social good? Im helping a mission-driven AI start-up find a Junior/Mid Full-Stack Software Engineer,coming with perhaps a couple of years commercial experience withC# .Net & React.js, along with exposure to Azure. Theyre tackling one of the most urgent challenges of the digital age: identifying and mitigating online harms. The technical skills youll need C# … .Net experience in an environment using Azure. Good use of React.js (or other modern JS libraries, but they use React.js) Ideally exposure to event-based service-oriented architectures. Any use of Python & Azure DevOps would be a bonus. The right person will Be down-to-earth, easy to get on with. Be keen to explore unfamiliar tech when needed. More ❯

good? I’m helping a mission-driven AI start-up find a Junior/Mid Full-Stack Software Engineer,coming with perhaps a couple of years commercial experience withC# .Net & React.js, along with exposure to Azure. They’re tackling one of the most urgent challenges of the digital age: identifying and mitigating online harms. The technical skills you’ll … need C# .Net experience in an environment using Azure. Good use of React.js (or other modern JS libraries, but they use React.js) Ideally exposure to event-based service-oriented architectures. Any use of Python & Azure DevOps would be a bonus. The right person will... Be down-to-earth, easy to get on with. Be keen to explore unfamiliar tech More ❯

translate business requirements into technical designs following defined architectures and principles. You have extensive experience working as a Software Developer with expertise in technologies including Java, JS/TS, .Net, Node, React, Ruby. You can clearly and concisely document architectural designs and decisions with the use of standard diagram formats. You have the experience and ability to make and … translate business requirements into technical designs following defined architectures and principles. You have extensive experience working as a Software Developer with expertise in technologies including Java, JS/TS, .Net, Node, React, Ruby. You can clearly and concisely document architectural designs and decisions with the use of standard diagram formats. You have the experience and ability to make and More ❯

compliance standards Identify and resolve performance bottlenecks with the optimization of cloud resources. Support test and deployment of new products and features Participate in code reviews High experience in .Net Core, C#. In depth knowledge of Azure related technologies. Strong understanding relating to the breakdown of Microservices architecture. Ability to multi-task, organize, and prioritize work using Automated Testing More ❯

.Net Developer (.NET Core, Azure) Want to build Tech-for-good Infrastructure for systems that save lives? Fancy developing Greenfield predictive AI models for innovative start-ups? Or maybe developing design & develop digital products in the Sports & Health arena? This is some of my client's 2025 roadmap, and we're hiring for a mid-level. Net Developer … for the remote team - we get together once every 2 months in either Swansea or Bristol, but it's remote aside from that. Tech stack: C#, .NET Core, Azure, Typescript, Wordpress, React, Docker, K8s Salary: Up to £45k experience dependant + pension, flexible hours, investment in your career progression. Want more info? Get in touch for an informal, non More ❯

Social network you want to login/join with: Junior .Net Software Engineer - Cardiff - £35,000 - £37,500 If you have around a year's experience in Software Engineering and are looking to take the next step in your career within a highly collaborative environment based in Bristol, then this may be the right opportunity for you. You'll … solutions that directly impact customers and have a real-world effect on the high street. What experience is required for this role? At least 1 year of experience with .Net/C# Experience working in an agile environment (contributing to daily stand-ups is preferred) Experience with databases, including SQL A strong desire to learn new skills and attend More ❯

manual processes, and improve operational efficiency. Design and maintain ETL pipelines for data ingestion, cleaning, transformation, and deduplication. Support API-based integrations and develop internal tools using C#/.NET and Blazor. NetSuite ERP (administration and workflow customization) Work with stakeholders across the organization to gather requirements, provide training, and deliver scalable technical solutions. Education and/or Experience More ❯

training opportunities. The company is always looking to work with the latest tech and this is ever evolving to keep up with the latest improvements. Technical Stack: C#/.NET 6 Azure React SQL We're looking for a hands-on technical leader who can: Lead and support a development team Drive delivery under pressure Navigate legacy systems and More ❯

training opportunities. The company is always looking to work with the latest tech and this is ever evolving to keep up with the latest improvements. Technical Stack: C#/.NET 6 Azure React SQL We're looking for a hands-on technical leader who can: Lead and support a development team Drive delivery under pressure Navigate legacy systems and More ❯