1 to 25 of 113 React Jobs in Wales

re excited if you have Bachelor's degree in Computer Science or a related field, or equivalent practical experience. 5+ years of relevant software development experience, such as Node.js, React, Next.js. 3+ years of working with cloud-based technology, such as AWS and GCP. Experience of building large scale and low latency distributed systems. Solid understanding of algorithms, data structures More ❯

microservice and websites are hosted on Google Cloud Platform (GCP) using Google Kubernetes Engine. We use TypeScript across the board in both frontend and backend. Languages: TypeScript, SQL Frontend: React, Redux Backend: Nest.js, MikroORM Databases: PostgreSQL, Firestore Testing: Jest Infrastructure: Google Cloud Platform (GCP), Google Kubernetes Engine What You'll Do Develop new backend features on Aforza Studio Develop APIs More ❯

Mid/Senior Software Engineer - Full Stack (React/TypeScript/Node.js) Cardiff/Remote (UK only) Aforza aims to transform the lives of every consumer on the planet by helping the world’s best Consumer Goods companies become more agile, efficient, productive, and sustainable. We do this by introducing never-before-seen capabilities, including 'Active' Customer Segmentation, Real-Time … applications, microservices and websites are hosted on Google Cloud Platform (GCP) running on Google Kubernetes Engine. We use TypeScript across the board in both frontend and backend. Frontend - TypeScript, React, Redux, Styled Components Backend - TypeScript, Nest.js, Node.js, MikroORM Databases - PostgreSQL, Google Cloud Firestore Cloud - GCP, Google Kubernetes Engine What You'll Do Develop new frontend and backend features on Aforza … Studio Develop APIs in Node.js/TypeScript Build new features on our React-based web UI Write unit tests using Jest Perform code reviews on the team’s pull requests Take part in all aspects of SCRUM, including sprint planning, reviews, retros and backlog estimation What We’re Looking For We’re looking for an experienced Software Engineer who is More ❯

.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 ❯

a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : ? Ruby-on-Rails, Java, Python, C#, PHP ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and More ❯

Primary skills & requirements: Must be eligible for SC Clearance Extensive experience building services using ASP.NET Core and C# Experience developing front-end web applications using modern frameworks such as React, Angular, or Blazor/Razor Experience with cloud technologies such as AWS or Azure Experience with CI/CD pipelines (e.g., GitLab, GitHub, Jenkins, or Azure DevOps) Proficiency with version More ❯

new customer-facing platform features, internal systems, educational content tools, and third-party integrations. Role Requirements At least 4 years' commercial experience in C# TypeScript, JavaScript PostgreSQL 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 a leader in the tech sector 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 ❯

client projects. You'll help shape technical architecture, contribute directly to code and collaborate closely 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 More ❯

client projects. You'll help shape technical architecture, contribute directly to code and collaborate closely 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 More ❯

What You'll Be Doing Our engineers are truly full-stack, working across infrastructure, backend, and frontend. Typical tasks include creating infrastructure with Terraform, debugging Python applications, or developing React components. The work is fast-paced, varied, and rewarding, involving collaboration across departments from marketing to claims. Main Duties Lead development of front-end web apps using React and TypeScript … end development with an eye for detail, capable of backend work when needed Proven experience in full-stack or front-end development Strong skills in JavaScript/TypeScript and React Familiarity with Python and Django Experience with testing and TDD Agile working practices Mentoring or pair programming experience Curious, collaborative, problem-solving mindset Our Culture & Benefits We value diversity and More ❯

focused businesses. What You'll Be Doing Collaborate with cross-functional teams to deliver high-quality digital client journeys. Design and develop AWS cloud-native applications with TypeScript and React and manage them using Infrastructure as Code. Write high quality, secure, tested and performant code. Create and maintain automated tests for new changes. Document all solutions according to team standards. … you're passionate about technology, eager to learn, and ready to contribute to a dynamic team, we'd love to hear from you! Skills Professional experience with AWS, TypeScript, React and Node, Java, and with the use of IaC tools such as Terraform and AWS CloudFormation. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest More ❯

requirements: Must be eligible for SC Clearance Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. More ❯

requirements: Must be eligible for SC Clearance Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama 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 Admiral: Where You Can We take pride in being a diverse and inclusive business. It's a place where you can Be You, and show up 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 ❯

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 ❯

Leadership: Lead and mentor a team of developers, ensuring high-quality code, best practices, and adherence to agile methodologies. Full-Stack Development: Design, develop, and maintain platform features using React, Node.js, Directus, PostgreSQL, MongoDB, and APIs. Matrix/Synapse Integration: Develop real-time messaging and collaboration features using Matrix/Synapse. Cloud & DevOps: Manage deployments, CI/CD pipelines, and More ❯

Leadership: Lead and mentor a team of developers, ensuring high-quality code, best practices, and adherence to agile methodologies. Full-Stack Development: Design, develop, and maintain platform features using React (frontend), Node.js (backend), Directus (CMS), PostgreSQL, MongoDB, and APIs. Matrix/Synapse Integration: Develop and maintain real-time messaging and collaboration features using Matrix/Synapse for decentralised communication. Cloud More ❯

inclusive of the trade-offs for commodity trading systems. Familiarity with core AWS product offerings; code development (C#/Java); microservice containerization tools (Docker, OpenShift, Kubernetes); web UI development (React). Must understand Infrastructure as a Code (Terraform) c. Integration - Expert experience with integration techniques, including real-time messaging (AMQ), API design (JSON, Swagger), and batch techniques. d. Infrastructure and More ❯

inclusive of the trade-offs for commodity trading systems. Familiarity with core AWS product offerings; code development (C#/Java); microservice containerization tools (Docker, OpenShift, Kubernetes); web UI development (React). Must understand Infrastructure as a Code (Terraform) c. Integration - Expert experience with integration techniques, including real-time messaging (AMQ), API design (JSON, Swagger), and batch techniques. d. Infrastructure and More ❯

based on experience) Bonus : Up to 15% Pension : Up to 10% Birthday Off Languages: Ruby-on-Rails, Java, Python, C#, VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban ? Key Responsibilities ? Full-Stack Development : Design, develop, and maintain complex full-stack applications More ❯

based on experience) Bonus : Up to 15% Pension : Up to 10% Birthday Off Languages: Ruby-on-Rails, Java, Python, C#, VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban ? Key Responsibilities ? Full-Stack Development : Design, develop, and maintain complex full-stack applications More ❯

You will have the opportunity to work across a variety of technologies and will need to be comfortable doing so. Our teams have used Java, Ruby, Python, ES6 with React, as well as C# with .NET Core, and plenty more stacks. We don't limit ourselves as a company to particular technologies and we expect all our engineers to be 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 ❯