51 to 75 of 87 React Jobs in Wales

.NET Developer - Oxford, Oxfordshire (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) At this very moment our client is constructing the world's first intelligent answer engine based on semantic … have experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .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. These .NET Developer ...

.NET 8 Building and maintaining RESTful APIs SQL Server - strong query skills, stored procedures, indexing, performance tuning Clean architecture and separation of concerns Frontend: ReactJS v6 TypeScript (strict mode) React Router, Redux (or similar state management) SCSS, CSS Modules, normalize.css Testing: Backend: xUnit or equivalent for unit/integration tests … Frontend: Jest, React Testing Library Writing clean, testable code with good coverage General: Git and feature-branch workflows Jira (or similar tools) Agile development practices Ability to work independently in a remote setting Nice to Haves: Experience with SSO integration, particularly using Azure Entra ID/OpenID Connect/MSAL ...

.NET 8 Building and maintaining RESTful APIs SQL Server - strong query skills, stored procedures, indexing, performance tuning Clean architecture and separation of concerns Frontend: ReactJS v6 TypeScript (strict mode) React Router, Redux (or similar state management) SCSS, CSS Modules, normalize.css Testing: Backend: xUnit or equivalent for unit/integration tests … Frontend: Jest, React Testing Library Writing clean, testable code with good coverage General: Git and feature-branch workflows Jira (or similar tools) Agile development practices Ability to work independently in a remote setting Nice to Haves: Experience with SSO integration, particularly using Azure Entra ID/OpenID Connect/MSAL ...

agile consultancy team on a contract basis. This is a remote-first role suited for someone confident in delivering high-quality frontend solutions using React , JavaScript , and Node.js , and who enjoys mentoring others. You'll play a key role in shaping product features while supporting and mentoring a junior developer … Design and implement responsive, maintainable frontend applications. Collaborate with designers, backend developers, and clients to deliver polished UI/UX. Build reusable components using React.js and related technologies. Integrate with Node.js backend services and RESTful APIs. Write clean, efficient, and well-documented code. Ensure cross-browser compatibility, accessibility, and performance. ...

.NET Developer, .NET 10.0, C# 14 - Consultancy - Bangor (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative … software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, MongoDB, Azure, AWS, Node.js and Elasticsearch. This is a truly exciting project, one which if you are given the opportunity ...

there are so many other initiatives that we would love to tell you about! What we are looking for We need a skilled React developer to take complete ownership of an existing branded web application and mobile app ecosystem. This is a hands-on role where you'll be responsible … with modern tooling already in place, but you need to be confident enough to make them your own. You are Confident with Next.js and React, able to work with existing code and build new features from scratch Experienced with React Native and Expo for iOS/Android development Comfortable communicating ...

Senior Front-End Developer (React.js, Next.js, Tailwind CSS, MACH) Are you a front-end specialist with a passion for crafting elegant, high-performance user interfaces? Join a leading non-profit organisation as a Senior Front-End Developer , where your skills will help deliver digital experiences that make a real-world … remote-first role open to candidates based in the UK . What You’ll Do: Lead the development of modern, responsive web applications using React.js and Next.js . Collaborate with designers and back-end developers to deliver seamless, accessible, and performant user experiences. Implement and maintain scalable front-end architectures ...

cybersecurity, and autonomous systems. What you'll do: Lead and mentor developers, driving engineering best practices Build scalable web & mobile apps using JavaScript, Node.js, React/Angular/Vue Design and develop robust front-end and back-end systems Apply TDD and modern development practices Collaborate with architects, clients … What we're looking for: Strong full stack JavaScript experience (Node.js + modern frameworks) Experience with Express.js, Nest.js, or Hapi.js Front-end expertise in React, Angular, Vue or similar (including Remix.js) Strong HTML5, CSS3, JavaScript (ES6+), TypeScript skills Experience in a senior/lead role with mentoring responsibility Passion ...

Networks is a strong advantage. Key Responsibilities: Develop and maintain web applications using ASP.NET (C#) and modern front-end technologies (e.g., HTML, CSS, JavaScript, React/Angular). Collaborate with security and network teams to integrate firewall policies and security protocols into applications. Assist in the design and validation … Required Skills & Experience: 5+ years of experience in ASP.NET (C#) web development. Strong front-end skills with HTML5, CSS3, JavaScript , and any modern framework (React, Angular, or Vue.js). Good understanding of network security principles , firewall rules , ports , protocols , and access control . Exposure to firewall management tools (e.g., Palo ...

Networks is a strong advantage. Key Responsibilities: Develop and maintain web applications using ASP.NET (C#) and modern front-end technologies (e.g., HTML, CSS, JavaScript, React/Angular). Collaborate with security and network teams to integrate firewall policies and security protocols into applications. Assist in the design and validation … Required Skills & Experience: 5+ years of experience in ASP.NET (C#) web development. Strong front-end skills with HTML5, CSS3, JavaScript , and any modern framework (React, Angular, or Vue.js). Good understanding of network security principles , firewall rules , ports , protocols , and access control . Exposure to firewall management tools (e.g., Palo ...

.NET Developer - Hungerford, Berkshire (Tech stack: .NET Developer, .NET 9, C#, Azure, React, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countries. Using cutting edge technologies they help their clients join … Azure SQL. Our client will give you the opportunity to work on enterprise level software development projects and training into: .NET 9, Azure, React, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. You will follow the firm's rapid career progression programme. Previous ...

.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 the world to attract … Core, C# and Azure SQL. You will receive training in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. At the centre of our client's culture is freedom and openness which takes a lot of people ...

Python, and TypeScript. The platform is deployed on AWS. Terraform, and Ansible are used for Infrastructure as Code (IaC). Our technologies include: React with Next.js; GraphQL; Docker; Postgres; Git; CI/CD with GitHub; computational workflows with Nextflow. Note: Prior experience with all the tools and technologies that … domain. Making pragmatic decisions, whilst promoting a culture of quality, and continuous improvement. ✅ This job is for you if you Have experience using Typescript, React, and Next.js. Are happy to quickly adapt to using new technologies. Understand the importance of prioritisation; the value of Minimal Viable Products (MVPs ...

Python, and TypeScript. The platform is deployed on AWS. Terraform, and Ansible are used for Infrastructure as Code (IaC). Our technologies include: React with Next.js; GraphQL; Docker; Postgres; Git; CI/CD with GitHub; computational workflows with Nextflow. Note: Prior experience with all the tools and technologies that … domain. Making pragmatic decisions, whilst promoting a culture of quality, and continuous improvement. ✅ This job is for you if you Have experience using Typescript, React, and Next.js. Are happy to quickly adapt to using new technologies. Understand the importance of prioritisation; the value of Minimal Viable Products (MVPs ...

open to support with relocation efforts. Responsibilities Develop and maintain responsive, user-friendly web applications using HTML, CSS, and JavaScript frameworks such as React, Vue, or Angular . Collaborate with UI/UX designers to translate design concepts into interactive and accessible web interfaces. Optimize applications for performance, scalability … smooth user experience. Requirements Around 3+ years of experience in front-end web development. Proficiency in HTML, CSS, JavaScript, and modern frameworks such as React, Vue, or Angular . Experience with state management libraries (e.g., Redux, Vuex, or Zustand). Strong understanding of responsive design, accessibility, and cross-browser compatibility ...

Science or related technical field. At least one frontend specialisation in any of the following: building native apps (Kotlin, Swift) or web apps using React (JavaScript or TypeScript) or hybrid apps using React Native Experience building or contributing to an advanced shared library, design system, or SDK Understanding of modern … architectures, design patterns, and platform nuances Knowledge of web libraries and frameworks, such as Typescript, React, Angular, and/or Bootstrap Familiarity with full stacks, single-page applications and/or micro frontends Expert experience with testing concepts, test tools, and integrating testing and best practices in the SDLC Strong ...

comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least one engineering domain: distributed systems … skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. Why Firstup? Because you care - about people, the work you do, and the connections you make. Work is such a large ...

continually improve our engineering processes, tools, and ways of working. Our Tech Stack You’ll work across our modern, TypeScript-based stack: Frontend : React (Next.js), GraphQL (Apollo), TypeScript Backend : Node.js (AWS Lambda), Prisma & PostgreSQL Testing : Cypress + Jest Infrastructure : AWS, Terraform, CI/CD pipelines Practices : Agile, Kanban, pair programming … Have 7+ years’ experience in software engineering, with significant experience in frontend technologies but comfortable working full-stack. Are highly proficient in React , TypeScript , and GraphQL , with a strong grasp of backend fundamentals in Node.js . Have experience designing technical solutions involving APIs, database models, and service integration. Understand scalability ...

maintaining internal tools and applications that support investment decision-making and operational efficiency. The Role You will work across the full stack using TypeScript, React, Node.js, and PostgreSQL to build robust and scalable internal systems. You will also collaborate on Python-based research tools and contribute to the build … tools and automation Assist in configuring and optimising locally hosted LLMs Ensure code quality, maintainability, and performance Ideal Candidate Proven full-stack experience with React, Node.js, TypeScript, and PostgreSQL Comfortable working with or alongside Python Interest in AI technologies, particularly LLMs Ability to communicate technical concepts to non-technical stakeholders ...

maintaining internal tools and applications that support investment decision-making and operational efficiency. The Role You will work across the full stack using TypeScript, React, Node.js, and PostgreSQL to build robust and scalable internal systems. You will also collaborate on Python-based research tools and contribute to the build … tools and automation Assist in configuring and optimising locally hosted LLMs Ensure code quality, maintainability, and performance Ideal Candidate Proven full-stack experience with React, Node.js, TypeScript, and PostgreSQL Comfortable working with or alongside Python Interest in AI technologies, particularly LLMs Ability to communicate technical concepts to non-technical stakeholders ...

seeking a highly skilled Lead Full Stack Developer t join our dynamic team. You’ll spearhead the development and enhancement of web applications using React, Next.js, Node.js, and Python Flask. You'll oversee the cloud infrastructure on Azure, ensuring scalability and reliability. Additionally, you'll design and maintain databases … industry trends and contribute to a variety of projects. Key Responsibilities: Design and Develop: Create, design, and maintain robust and scalable web applications using React, Next.js, Node.js, and Python Flask. Cloud Services: Implement and manage cloud-based solutions using Azure. Data Management: Design and maintain database systems using Postgres ...

performance Lead architecture and design decisions across services built in Java Spring Boot, AWS Serverless (Lambda/Node.js) and Ruby on Rails with React Define integration patterns between modern services and Legacy Mainframe systems, supporting incremental modernisation Remain hands‐on with code: contributing to critical paths, conducting code reviews … services on AWS using Lambda, Node.js, and the Serverless framework (or equivalents such as SAM/CDK) Experience with Ruby on Rails and modern React front‐ends, or comparable full‐stack experience and the ability to lead teams using these tools Strong grasp of integration patterns with Legacy systems (mainframe ...

performance Lead architecture and design decisions across services built in Java Spring Boot, AWS Serverless (Lambda/Node.js) and Ruby on Rails with React Define integration patterns between modern services and Legacy Mainframe systems, supporting incremental modernisation Remain hands-on with code: contributing to critical paths, conducting code reviews … services on AWS using Lambda, Node.js, and the Serverless framework (or equivalents such as SAM/CDK) Experience with Ruby on Rails and modern React front-ends, or comparable full-stack experience and the ability to lead teams using these tools Strong grasp of integration patterns with Legacy systems (Mainframe ...

demand), and RAG (Retrieval Augmentation Generation, utilizing natural language processing on unstructured data). Our tech stack is primarily python and includes Django, React, AWS, and additional technologies like Retool and Prefect. Your work will empower KoBold to unlock invaluable insights and streamline intricate scientific processes. Collaborating with our exceptional … what technical product to build to best achieve the business objectives of the company. Nice to Haves Experience with modern frontend frameworks such as React Experience with geospatial data and building map-based experiences Familiarity with containerization and container orchestration platforms, such as Docker, AWS ECS, Kubernetes, etc. Formal education ...

demand), and RAG (Retrieval Augmentation Generation, utilizing natural language processing on unstructured data). Our tech stack is primarily python and includes Django, React, AWS, and additional technologies like Retool and Prefect. Your work will empower KoBold to unlock invaluable insights and streamline intricate scientific processes. Collaborating with our exceptional … what technical product to build to best achieve the business objectives of the company. Nice to Haves Experience with modern frontend frameworks such as React Experience with geospatial data and building map-based experiences Familiarity with containerization and container orchestration platforms, such as Docker, AWS ECS, Kubernetes, etc. Formal education ...