1 to 25 of 33 Permanent React Jobs in Wales

.NET Developer, .NET 9, C# - Consultancy - Bangor (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative .NET technology based business solutions to investment banks, financial services companies, prestigious … .NET Core/ASP.NET MVC, C# and Azure SQL. Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly exciting project, one which More ❯

and improvements as well as internal systems, educational content tools and 3rd party integrations Role requirements At least 4 years' commercial experience in C# TypeScript, JavaScript Postgres Desirables Angular, React or Vue Azure DevOps & Git AWS SQL Server Familiarity with responsive layout and accessible design Unit/Functional Testing The Company The company is the tech sector in the cardiff More ❯

Exposure to Microsoft Dynamics NAV integrations. Familiarity with Behaviour-Driven Development ( BDD ). Expertise with NoSQL databases. Experience with e-commerce platforms. Knowledge of modern frontend frameworks such as ReactJS . Expertise with Tableau or Power BI Soft Skills: Demonstrated experience in a Lead Developer or similar role. Well-versed in Agile methodologies, especially Scrum . Proficiency with Jira and More ❯

React/Next.js Engineering Lead - 3 months+ £500-540pd Inside IR35 - Remote My client are for a Software Engineering Team Lead with deep front-end engineering expertise to lead the design and implementation of a new, strategic customer-facing portal . The portal will integrate with an internal case management system and is being delivered as a bilingual digital … hands-on leadership role where you will combine technical delivery with team mentorship, solution design, and collaboration with architects, developers and client stakeholders. The role requires strong proficiency in React and ideally experience with Next.js and .NET Core. You will set technical direction, ensure code quality and accessibility, and help establish an engineering culture rooted in best practice and continuous … and build a performant, secure and WCAG-compliant web application. Hands-on Engineering: Lead by example through high-quality coding and peer collaboration. Contribute to core feature development using React and TypeScript, with a preference for Next.js and .NET Core stack. Participate in code reviews and mentor other developers, promoting best practice in test coverage, clean architecture, and agile principles. More ❯

React/Next.js Engineering Lead - 3 months+ £500-540pd Inside IR35 - Remote My client are for a Software Engineering Team Lead with deep front-end engineering expertise to lead the design and implementation of a new, strategic customer-facing portal . The portal will integrate with an internal case management system and is being delivered as a bilingual digital … hands-on leadership role where you will combine technical delivery with team mentorship, solution design, and collaboration with architects, developers and client stakeholders. The role requires strong proficiency in React and ideally experience with Next.js and .NET Core. You will set technical direction, ensure code quality and accessibility, and help establish an engineering culture rooted in best practice and continuous … and build a performant, secure and WCAG-compliant web application. Hands-on Engineering: Lead by example through high-quality coding and peer collaboration. Contribute to core feature development using React and TypeScript, with a preference for Next.js and .NET Core stack. Participate in code reviews and mentor other developers, promoting best practice in test coverage, clean architecture, and agile principles. More ❯

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) Building software with a test-first approach (TDD, BDD) Experience with build and deployment pipelines (CI/CD) using Azure DevOps Knowledge of Modern Architecture (Headless APIs … Microservices, Eventing/Messaging, Streams) ReactJS (Hooks & Context API) What's in it for you The expected range for this role is £35,000 - £45,000 This is a Hybrid role from our Cardiff Office, working three days from the office, two from home Plus more great perks, which include; Uncapped leave, because we trust you to manage your workload More ❯

Role As a Lead Developer within the online team, you will be the technical lead in one of our squads focused on the portfolio of Iceland websites, centred around React and SalesForce PWAKit. It is a varied job with a large hands on development creating new features, building components our customers can interact with, creating tools and some developments to … and identify the source of issues. Skills/Experience Strong skills with fundamental languages such as TypeScript, JavaScript, SCSS & HTML Strong communication skills Familiarity with other JavaScript frameworks; Node.js, React.js Understanding of eCommerce Experience with Commerce Platforms, CMS tools Any experience with Cloud computing, AWS, GCP, Azure What we can offer you: Best Place to Work 2025? Supportive and collaborative More ❯

Role As a Lead Developer within the online team, you will be the technical lead in one of our squads focused on the portfolio of Iceland websites, centred around React and SalesForce PWAKit. It is a varied job with a large hands on development creating new features, building components our customers can interact with, creating tools and some developments to … and identify the source of issues. Skills/Experience Strong skills with fundamental languages such as TypeScript, JavaScript, SCSS & HTML Strong communication skills Familiarity with other JavaScript frameworks; Node.js, React.js Understanding of eCommerce Experience with Commerce Platforms, CMS tools Any experience with Cloud computing, AWS, GCP, Azure What we can offer you: ?? Best Place to Work 2025 ?? Supportive and collaborative More ❯

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 get on with More ❯

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 with, no ego More ❯

anything, and everything. A typical day in engineering can mean creating infrastructure using Terraform, debugging the inner-workings of one of our Python applications or writing a shiny new React component for use in our quote engine. Our pace is fast and the days are varied, but the work is energetic and very rewarding.Expect to collaborate with other departments across … the brand from marketing to customer service, and data to claims. Main Duties Lead development of modern front-end web apps using React and TypeScript Build and maintain backend services using Python and Django Design and iterate on clean, scalable REST APIs Contribute to and evolve UI/UX standards, ensuring accessibility, responsiveness, and delight Work with Terraform and AWS … eye for detail, but not afraid to drop into the backend when needed Provencommercial experience in front-end or full-stack development Strong experience with JavaScript/TypeScript and React Familiarity with backend languages like Python and frameworks like Django Experience with unit testing and test-driven development Exposure to Agile working practices Comfortable with mentoring or pair programming Curious More ❯

of stakeholders. You will be predominantly focussed on supporting aspects of the online business across Iceland’s portfolio of websites, particularly on the recently launched headless storefront centred around React and Salesforce PWAKit. It is a varied job that covers creating new features, building components our customers can interact with, A/B tests, campaign support, platform developments for the … Supportive of business direction and receptive to change Specialised Skills & Knowledge Proficiency with fundamental front-end languages such as TypeScript, JavaScript, SCSS & HTML Familiarity with other JavaScript frameworks; Node.js, React.js Understanding of eCommerce Any experience with Commerce Platforms, CMS tools Any experience with Cloud computing, AWS, GCP, Azure What to expect from us: • Collaborative environment• 25 days holiday, plus More ❯

variety of stakeholders. You will be predominantly focussed on supporting aspects of the online business across Icelands portfolio of websites, particularly on the recently launched headless storefront centred around React and Salesforce PWAKit. It is a varied job that covers creating new features, building components our customers can interact with, A/B tests, campaign support, platform developments for the … Supportive of business direction and receptive to change Specialised Skills & Knowledge Proficiency with fundamental front-end languages such as TypeScript, JavaScript, SCSS & HTML Familiarity with other JavaScript frameworks; Node.js, React.js Understanding of eCommerce Any experience with Commerce Platforms, CMS tools Any experience with Cloud computing, AWS, GCP, Azure What to expect from us: Collaborative environment 25 days holiday, plus More ❯

are complete, you will be ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React.js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can use it for both small and More ❯

are complete, you will be ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React.js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can use it for both small and More ❯

are complete, you will be ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React.js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can use it for both small and More ❯

Join our operational research team as an innovative frontend developer! While we value full-stack experience, your primary focus will be on frontend development. In this role, you'll work hand-in-hand with our talented operational research experts, designers More ❯

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. Value collaborative development More ❯

team. In this role, you will help kickstart the creation of their new SaaS product. You should be comfortable working within a modern tech stack such TS/JS, React, Next.js, Node, Three.js; and ready to tackle challenges in a fast-paced startup setting. You will collaborate closely with the product management team, contribute to technical decision-making, and, when … needed, communicate directly with clients to explain technical concepts in a clear, accessible manner. Key Responsibilities: Develop and Implement Features: Build robust, scalable components using JavaScript, React, Next.js, Node, and Three.js. Collaborate with Cross-Functional Teams: Work closely with product management and design teams to transform ideas into functional code. Rapid Prototyping: Quickly translate product requirements into working software, adapting … learn and collaborate with a diverse team. Desirable Experience: Previous experience in a startup or agile environment is a plus. Driver's licence (for site visits). Experience in React, Next.js, and Three.js preferred. What they Offer: Growth Opportunities: As their product gains traction, there will be opportunities to expand benefits and career growth within the company. Flexible Environment: Join More ❯

documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment Build web based Front End interfaces interacting with RESTful APIs using React, Next JS and other web technologies Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Implement toolkits and APIs for … DevOps Experience writing Unit Tests, using tools such as MS Test, and an understanding of TDD principles Essential Technical Skills Experience working with RESTful web services Excellent understanding of React and experience with Next JS Excellent understanding of Node JS Understanding of DevOps principles Has a deep understanding of architectural principals such as SOA and Micro-Services How to apply More ❯

Software Developer Role - C# .Net/React/Azure - Swansea - Fully remote - £45,000 The Role A dedicated Software House is looking for a talented Software Engineer to join their growing development team. You will also have the opportunity to work on new and existing projects with a range of clients. Adding a range of features within the digital space. … You will utilise modern technologies to create these solutions including the serverless features of Azure, C# .NET and React You will be working closely with the wider technology team, collaborating with delivery mangers product owners, other developers, QA's and much more Role requirements At least 3 years' commercial experience in C# .NET JavaScript React Azure serverless functions Desirables Docker … Software Developer looking to become part of a team focused on being the best, then this could be the right move for you. Software Developer Role - C# .Net/React/Azure - £45,000 - Fully remote - Wellbeing allowance, flexible working hours, employee assistance programme and more! Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this More ❯

Lead Frontend Developer | React | Next.js | Azure | Hybrid £64-73K + Allowances | Pension + 30 Days AL You've built slick, user-first products. You care about performance, accessibility, and doing things properly - not cutting corners. You're probably the one others turn to when things go sideways. If that sounds familiar, this one's worth a look. You'll … The culture supports it too: strong leadership, clear delivery goals, collaborative teams, and proper space to do your best work. You'll take the lead on frontend delivery using React, Next.js, Node.js, and Azure - helping drive the technical direction, mentor engineers, and deliver high-impact, user-facing products at scale. Why it's worth your time: Modern tech exposure - Cloud …/life balance - Generous pension, 30 days AL, flexible hybrid working Stability + challenge - Real-world problems to solve, minus the burnout culture You'll need: Strong experience building React and Next.js applications Solid grasp of frontend performance, accessibility, and testing (TDD, unit tests, etc.) Experience working in Agile, cloud-first teams (ideally Azure + Azure DevOps) Leadership qualities - you More ❯

Stack While this role focuses on third-party customizable platforms (primarily JavaScript-based), familiarity with the following technologies is beneficial: AWS Go/Python/Java TypeScript Terraform GitLab ReactJS/NextJS Kubernetes FinTechOS About Admiral We take pride in being a diverse More ❯

This role focuses on the design, delivery, and maintenance of micro frontend (MFE) architectures, enabling scalable and independently deployable user experiences across our platforms. You will work extensively with React, NestJS, and related technologies, contributing to both frontend and backend-for-frontend (BFF) solutions. With a DevSecOps mindset, you will build secure, performant, and resilient applications using modern software engineering … example in engineering excellence, and participate in engineering governance. Implementation & Delivery Design and implement scalable and modular frontend solutions using micro frontend architecture and module federation. Develop applications using React, TypeScript, and NestJS, supporting robust client-server integration. Build and maintain CI/CD pipelines that support independently deployable frontend modules with strong testing and release automation. Ensure applications meet … technical decisions clearly across technical and non-technical stakeholders. Experience Required Technical Expertise Proven experience as a Senior Software Engineer delivering modern, scalable frontend applications. Expert-level experience with React and TypeScript, including component architecture, state management, and performance optimisation. Hands-on experience designing and operating micro frontend architectures, including module federation and independent deployments. Solid experience with NestJS for More ❯

websites built on Shopify Plus, as well as supporting internal applications. What you'll be doing: Developing and maintaining e-commerce sites (Shopify Plus) Writing clean, scalable code using React, JavaScript, HTML, and CSS Working with version control systems like Git Supporting internal tools (Python and Flutter experience a bonus) What we're looking for: 6 months - 3 years of More ❯