1 to 25 of 75 Permanent JavaScript Jobs in South Wales

What We’re Looking For Rock solid experience with object-oriented programming in languages such as Java or C# Strong backend API development experience in Node.js and expertise with JavaScript/TypeScript (knowledge of Nest.js is a massive plus!) Sound knowledge of SQL and NoSQL databases and be familiar with query optimizations such as indexing Experience with distributed caches, such More ❯

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 feature in the app — a standalone but integrated service that More ❯

CD pipelines. Proficiency in multiple programming languages (e.g., Python, Go, Java). Experience with low-code platforms. Technology 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 More ❯

Full Stack Developer - C# .Net/JavaScript/SQL - Cardiff - Hybrid - £60,000 The Role An innovative tech-focused software house is looking for a talented Full Stack Developer to join their growing development team. You will have the opportunity to work on new and existing projects based in Amazon Web Services as the company scales into the cloud, allowing … include maintaining and developing 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 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 into … customer facing platform features 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 More ❯

For Expertise in front-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 More ❯

team of engineers. Ideally you are someone who has: Strong frontend development experience building beautiful UIs using React Backend API development experience in Node.js and be comfortable with modern JavaScript/TypeScript Experience with SQL and NoSQL databases Experience structuring and developing REST APIs Good understanding of unit testing frameworks Experience with Docker/Kubernetes Ability to identify areas of More ❯

Power Apps (Canvas and Model-Driven), Power Automate, and Dataverse. Proven track record in building complex Canvas Apps using multiple data sources and custom connectors. Proficient in .NET (C#), JavaScript, Web API, SQL Server , and working knowledge of HTML, CSS, XML, JSON . Experience in integrating with Microsoft Azure services such as Logic Apps, Functions, and Azure DevOps pipelines. Comfortable More ❯

clear, actionable tasks Good understanding of backend ecosystems, microservices, APIs, CI/CD, and databases Tech Stack: Mobile: Flutter Backend: .NET, C#, SQL, RESTful APIs, Azure DevOps Frontend: Angular, JavaScript, HTML/CSS What you'll get in return You will get the opportunity to work with a leading organisation that is based in South Wales. What you need to More ❯

knowledge, and support each other's growth. What We're Looking For Proven experience leading development projects and mentoring other developers. Strong technical skills in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Solid understanding of Git, APIs, and package managers (e.g. Composer, NPM). Comfortable working with and improving legacy codebases. A proactive problem-solver who performs well under pressure. More ❯

knowledge, and support each other's growth. What We're Looking For Proven experience leading development projects and mentoring other developers. Strong technical skills in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Solid understanding of Git, APIs, and package managers (e.g. Composer, NPM). Comfortable working with and improving legacy codebases. A proactive problem-solver who performs well under pressure. More ❯

knowledge, and support each other's growth. What We're Looking For Proven experience leading development projects and mentoring other developers. Strong technical skills in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Solid understanding of Git, APIs, and package managers (e.g. Composer, NPM). Comfortable working with and improving legacy codebases. A proactive problem-solver who performs well under pressure. More ❯

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) Building software with More ❯

you’ll need to succeed: A minimum of 3 years of hands-on design and development experience with Java. Well versed with object-oriented methodologies. Experienced working with SPML, JavaScript, XML and JSON, Spring or Spring Boot, Hibernate, and web services architecture, such as SOAP and/or REST, HTML5, CSS. Experience working with relational database and SQL commands. Proven 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. … 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 you with an on-going training programme More ❯

validate all implementations. Minimum Requirements A minimum of 3 years of hands-on design and development experience with Java. Well versed with object-oriented methodologies. Experienced working with SPML, JavaScript, XML and JSON, Spring or Spring Boot, Hibernate, and web services architecture, such as SOAP and/or REST, HTML5, CSS. Experience working with relational database and SQL commands. Proven More ❯

tools (Jira, VersionOne, Rally, etc) Ability to communicate concisely and accurately to team and to management Basic knowledge at some software development environments and technologies, e.g.: Software development (Python, JavaScript, ASP, C#, HTML5) Data storage technologies (SQL, . Net, NoSQL (Neo4J, Neptune), S3, AWS (Redshift) ) Web development technologies and frameworks (e.g. Angular, AngularJS, ReactJ) DevOps methodologies and practices Software testing More ❯

.NET Developer - Swansea (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, 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, engage, and delight customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in … applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, SQL Azure and MongoDB. At the centre of our client's culture is freedom and openness which takes a lot of people by surprise. But More ❯

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 complex More ❯

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 complex More ❯

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 complex More ❯

by optimising systems and adopting innovative technologies. Key Requirements Essential Skills and Experience Extensive full-stack development experience , particularly with Symfony or similar PHP frameworks and Vue.js or comparable JavaScript libraries. Strong command of HTML, SCSS, JavaScript, and MySQL for building performant web applications. Proficient with version control systems , especially GIT . Demonstrated experience integrating and working with APIs and More ❯

by optimising systems and adopting innovative technologies. Key Requirements Essential Skills and Experience Extensive full-stack development experience , particularly with Symfony or similar PHP frameworks and Vue.js or comparable JavaScript libraries. Strong command of HTML, SCSS, JavaScript, and MySQL for building performant web applications. Proficient with version control systems , especially GIT . Demonstrated experience integrating and working with APIs and More ❯

weeks) The second step includes a selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can More ❯

weeks) The second step includes a selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can More ❯