1 to 25 of 51 JavaScript Jobs in South Wales

environments where agility and ownership are essential Proven technical leadership experience, whether mentoring developers, leading projects, or driving architectural decisions Expert proficiency in JavaScript/TypeScript with modern frameworks such as React, Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus ...

environments where agility and ownership are essential Proven technical leadership experience, whether mentoring developers, leading projects, or driving architectural decisions Expert proficiency in JavaScript/TypeScript with modern frameworks such as React, Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus ...

/Senior Engineer Strong experience with technologies Golang Good experiene with TypeScript or Java would also be beneficial but not essential Experience with both JavaScript and frameworks such as React and Express.js (or similar) Strong experience using HTML & CSS Experience with cloud platform providers such as AWS, Azure ...

/Senior Engineer Strong experience with technologies Golang Good experiene with TypeScript or Java would also be beneficial but not essential Experience with both JavaScript and frameworks such as React and Express.js (or similar) Strong experience using HTML & CSS Experience with cloud platform providers such as AWS, Azure ...

years of commercial software development experience. Solid understanding of C#, ASP.NET (MVC or .NET Core), and backend fundamentals. Practical experience with React, JavaScript/TypeScript, HTML, and CSS. Familiarity with SQL databases and version control (Git). Able to follow technical guidance while also contributing ideas and solutions. Strong problem ...

years of commercial software development experience. Solid understanding of C#, ASP.NET (MVC or .NET Core), and backend fundamentals. Practical experience with React, JavaScript/TypeScript, HTML, and CSS. Familiarity with SQL databases and version control (Git). Able to follow technical guidance while also contributing ideas and solutions. Strong problem ...

backend development Experience in unit, integration, system, and regression testing hands-on coding experience in Java programming language and other e.g., Java/JavaScript, Python, Perl Experience in frameworks like: React, Spring boot, Spring MVC, Angular, Vue.js, and Java Spring Experience in software development tools e.g., Jira, Confluence ...

engineering standards, processes and collaboration Tech Experience Needed 2+ years’ experience in Python development Strong SQL skills (MySQL or PostgreSQL preferred) HTML, CSS, JavaScript experience Solid understanding of software principles, design patterns and clean coding What You Bring Ambition, curiosity and a genuine desire to take ownership Pride in writing ...

knowledge in GCP Storage Buckets, BigQuery, Dataflow and Cloud Functions (any Cloud). Hands-on experience with one or more programming languages (Java/JavaScript). Experience with non-functional testing using JMeter or similar tools. Proven experience creating best practices and policies to improve quality at program level. Strong ...

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. ...

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. ...

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. ...

/or the Power Apps platform Strong understanding of service-based architecture concepts (e.g., SOA, micro-services) Proficiency in at least one: C#, Python, JavaScript or TypeScript Experience developing and implementing unit tests Solid technical aptitude with the ability to work across components and integrations Think this ...

every stage. Developing secure, scalable back-end systems using technologies such as PHP or Node.js. Creatingefficient, maintainable front-end solutions with HTML, CSS, JavaScript, and modern frameworks (e.g. React, Angular). Reviewing code, sharingknowledge, and promotinga culture of continuous improvement. Managingmultiple development projects and balance priorities effectively. Collaboratingclosely with cross ...

fairly broad but we re looking to speak with candidate who have skills in areas such as; Technical skills; Strong programming skills in JavaScript, TypeScript and React Experience with AI/ML frameworks (e.g. TensorFlow and PyTorch etc) A genuine interest in how AI can be used within the work ...

fairly broad but we’re looking to speak with candidate who have skills in areas such as; Technical skills; Strong programming skills in JavaScript, TypeScript and React Experience with AI/ML frameworks (e.g. TensorFlow and PyTorch etc) A genuine interest in how AI can be used within the work ...

higher in Computer Science (from a selective institution) or currently pursuing. Proficiency in at least one of the following programming languages: Python, Java, JavaScript, or C++. Strong ability to articulate technical concepts in written and spoken Spanish and English. Excellent attention to detail, problem-solving skills, and clear technical writing ...

higher in Computer Science (from a selective institution) or currently pursuing. Proficiency in at least one of the following programming languages: Python, Java, JavaScript, or C++. Strong ability to articulate technical concepts in written and spoken Spanish and English. Excellent attention to detail, problem-solving skills, and clear technical writing ...

onboard and guide new contributors, fostering stronger relationships and expanding GitLab's contributor base. What You'll Bring Experience developing with Ruby and JavaScript, demonstrating proficiency in fullstack engineering. Strong expertise in Git and source control systems, with a solid understanding of contribution workflows. Proven involvement in open source communities ...

onboard and guide new contributors, fostering stronger relationships and expanding GitLab's contributor base. What You'll Bring Experience developing with Ruby and JavaScript, demonstrating proficiency in fullstack engineering. Strong expertise in Git and source control systems, with a solid understanding of contribution workflows. Proven involvement in open source communities ...

Varies by project (1–3 months typical) Commitment: 10–40 hours/week Role Responsibilities: Develop and validate coding benchmarks in React, TypeScript, or JavaScript by curating issues, solutions, and test suites from real-world repositories. Ensure benchmark tasks include comprehensive unit and integration tests for accurate solution verification. Maintain ...

Varies by project (1–3 months typical) Commitment: 10–40 hours/week Role Responsibilities: Develop and validate coding benchmarks in React, TypeScript, or JavaScript by curating issues, solutions, and test suites from real-world repositories. Ensure benchmark tasks include comprehensive unit and integration tests for accurate solution verification. Maintain ...

Looking For Education: Bachelor's degree (or higher) in Computer Science or a related field. Technical Skills: Strong proficiency in Python, Java, JavaScript, or C++. Language Skills: Fluent in Spanish (required) and English (preferred). Writing Skills: Ability to explain programming concepts clearly in Spanish. Experience (Preferred): 1+ years ...

Looking For Education: Bachelor's degree (or higher) in Computer Science or a related field. Technical Skills: Strong proficiency in Python, Java, JavaScript, or C++. Language Skills: Fluent in Spanish (required) and English (preferred). Writing Skills: Ability to explain programming concepts clearly in Spanish. Experience (Preferred): 1+ years ...

wallets, flows of funds, compliance, and regulated money movement. Prior experience at companies like Wise, PayPal, or similar is a strong plus. Technical Skills: JavaScript/Node.js PostgreSQL with Sequelize ORM Strong understanding of distributed systems and API-driven banking/PSP integrations Leadership: Ability to run projects at scale ...