1 to 25 of 44 JavaScript Jobs in South Wales

Dynamics Developer (12 month FTC)

Hiring Organisation
Yolk Recruitment Ltd
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Full-Time
Salary
£50,000 per annum
Essential Strong hands-on experience developing with Microsoft Dynamics 365 and Dataverse . Experience building Power Apps, Power Automate and Power Pages solutions. Strong JavaScript/TypeScript, HTML and CSS skills, ideally with experience using React or a similar framework. Experience integrating applications using REST APIs and Azure services . ...

Software Engineer (Mid and Senior Levels)

Location
Newport, Wales, United Kingdom
permissions (AWS), DevOps security, CI/CD, CI/CD tools (GitHub Workflows), Git, Python development, Python testing frameworks (pytest, unittest), JavaScript knowledge (Node.js), RabbitMQ, FFMPEG, Linux systems administration Machine Learning Applied machine learning, computer vision, object detection, image classification, model development and evaluation, data annotation and curation, training pipelines ...

Remote Senior Microsoft Power Platform and AI Developer

Location
Hengoed, Glamorgan, United Kingdom
custom connectors, OAuth 2.0, Microsoft Entra ID and secure secrets management. Pro-code engineering capability in one or more languages such as TypeScript/JavaScript, C# or Python, with experience extending low-code services appropriately. Strong software engineering practice, including testing, version control, code review, documentation, CI/CD, observability ...

Senior Next.js Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
live data Start Date: ASAP Key Responsibilities Software Development: Design, build and support robust, user-centred web applications using Next.js, React and modern JavaScript/TypeScript, writing clean, performant and maintainable code API Integration: Integrate Front End interfaces with Back End Java Spring Boot microservices and AWS serverless components such ...

Full Stack Developer

Location
Cwmbran, Wales, United Kingdom
need to succeed: Essential Experience Python 3+ years' API Integrations Strong SQL skills (MySQL or PostgreSQL) Solid front-end fundamentals (HTML, CSS, JavaScript, React, Angular) Good understanding of software design principles and best practices Advantageous Technical skills Django experience API design and development Test driven development Front-end frameworks (React ...

Remote Mid-level Full Stack Shopify Developer

Location
Porth, Glamorgan, United Kingdom
responsive Shopify/Shopify Plus websites (2+ years minimum). Strong knowledge of Shopify Store 2.0, Liquid, and Shopify APIs. Skilled in HTML, CSS, JavaScript (ES6+), and TypeScript. Experience with React (Remix/Next.js). Experience with backend languages/frameworks (preferably Node.js or Ruby). Strong understanding of RESTful ...

Senior Officer – Information Technology (IT Application) (Ref: IT/09/348)

Location
Merthyr Tydfil, Wales, United Kingdom
application modernization or technology refresh Development and maintenance of high-availability and mission-critical systems Web application development using frameworks (e.g. Java, Spring Boot, Javascript, ReactJS, Node.js, Flutter or Kotlin) Database design and development (e.g. Oracle, PostreSQL, MySQL) Cloud-based or Cloud-native application development (e.g. Azure, AliCloud ...

Senior Infrastructure Engineer - Power Apps

Hiring Organisation
Inspire People
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Platform components and infrastructure. In-depth knowledge of Power Apps, Power Automate, Power BI and Dynamics 365. Scripting or programming knowledge, such as C#, JavaScript, Python, Power Fx, HTML or CSS. Ability to identify and manage technical risk. Experience providing technical leadership, coaching or mentoring other engineers. Desirable criteria Power ...

Remote Senior Frontend Engineer

Location
Treorchy, Glamorgan, United Kingdom
visible Production systems that handle real money reliability is not optional What We Need Technical: Strong full-stack engineering ability with deep TypeScript/JavaScript (ES6+) (5+ years) Solid experience with React and reactive state management (RX, MobX, or similar) Real working ability in Rust it's part ...

Remote Full Stack Mid-level.NET Developer

Location
Merthyr Tydfil, Glamorgan, United Kingdom
Commercial experience using agentic AI or AI-assisted tooling within the software development lifecycle Experience with Entity Framework or similar ORM tools Exposure to JavaScript frameworks Familiarity with Azure/Azure DevOps/CI/CD pipelines Experience working with or modernising legacy systems Understanding of performance optimisation and scalable ...

Remote Technical Support Engineer (L2)

Location
Pontyclun, Glamorgan, United Kingdom
Linux (server versions specifically) Strong asset: proficiency in Docker and deployment on the docker Preferred: Strong technical skills, including proficiency in Django, Flask, PyTorch, JavaScript (React, Node.js), and Go, with hands-on experience in full-stack development. Proficiency in deploying and managing AI/ML models as services or APIs ...

Senior Java Engineer - Remote, Full-Stack, Growth

Location
Newport, Wales, United Kingdom
consultancy delivering complex, mission-critical software across Central Government. You’ll work in an Agile team on full-stack development with Java, TypeScript/JavaScript, deployed across AWS, Azure and private clouds. This hands-on role offers ownership, mentoring opportunities, direct client engagement, and clear paths to technical leadership, with ...

Software Engineer Lead

Hiring Organisation
100% IT Recruitment Ltd
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£70,000
improvement. To be successful in your application for the Software Engineering Lead position, you'll ideally have experience with: Python, C#/.NET and JavaScript REST API development GitHub Enterprise and GitHub Actions Azure App Services and Azure Functions Designing and delivering software platforms, integrations or services into operational/ ...

Remote Senior Backend Developer

Location
Cardiff, Glamorgan, United Kingdom
crafting and maintaining high-quality, scalable code while ensuring alignment with project requirements. Write clean, efficient, and scalable code in PHP (with basic JavaScript capabilities). Lead the setup of new Magento projects, including version control and environment deployment. Deliver advanced coding solutions with Magento, PHP, and GraphQL. Troubleshoot ...

Remote Staff Software Engineer

Location
Ferndale, Glamorgan, United Kingdom
technical bar for the role Requirements: Bachelor s degree in Computer Science or related fields and 6 years of relevant experience Deep expertise in JavaScript (ES6+), CSS preprocessors, and HTML5, with demonstrated ability to make architectural decisions in this stack Experience working in and helping shape Agile processes ...

Senior Dynamics 365 Developer & Cloud Architect

Location
Bridgend, Wales, United Kingdom
drive integration with Azure Cloud and our Power Platform ecosystem. You will design plugins, workflows, and web applications tied to CRM using C#, ASP.NET, JavaScript, HTML and CSS, while mentoring peers and shaping architectural roadmaps. The role requires deep expertise in Dynamics 365, Azure, and modern web technologies, with ...

Tester-Functional & Automation Testing- Central Area

Location
Penarth, Wales, United Kingdom
transition. Working knowledge of SQL for test data setup and validation. Proficiency in at least one scripting/programming language (\"e.g., Java, Python, JavaScript, C#.\"). Experience with API testing and validation techniques. Familiarity with defect management tools (\"e.g., JIRA, Azure DevOps.\"). Proven ability to work effectively in secure ...

Remote SharePoint Developer - Outside IR35 - Hybrid/Liverpool

Location
Chepstow, Monmouthshire, United Kingdom
SPFx, PnP, REST/Graph API). SharePoint administration experience. Strong Power Platform skills (Power Automate, Power Apps). Front-end development: TypeScript/JavaScript, React, HTML/CSS. Microsoft 365/Entra ID configuration and governance understanding. Hands-on experience with AI development and productivity tools - Microsoft 365 Copilot ...

Remote Data Scientist

Location
Ebbw Vale, Monmouthshire, United Kingdom
LOOKING FOR? 1.5+ years of experience in a technology-focused role using Python Able to pass a technical assessment in Python, Java or Javascript Commitment to complete a 16-week, part-time course to develop your mid-level skills THE ROLE: Our clients are looking for Data Scientists to join ...

Remote Freelance Software Developer (Ruby) - Quality Assurance (AI Trainer)

Location
New Tredegar, Glamorgan, United Kingdom
data annotation Training and evaluation of large language models Benchmarking and agent-based code execution in sandboxed environments Working across multiple programming languages (Python, JavaScript/TypeScript, Rust, SQL, etc.) Adapting guidelines for new domains and use cases Collaborating with project leads, solution engineers, and supply managers on complex ...

Software Development Engineer in Test Engineering · Cardiff, London ·

Location
Cardiff, Wales, United Kingdom
have: Proven commercial experience in an Automation Engineer or Software Development Engineer in Test (SDET) role. Strong programming skills in modern languages such as JavaScript/TypeScript, or Python. Hands-on experience with modern automation frameworks (e.g., Cypress, Playwright, or Selenium). Solid experience with API testing tools and libraries ...

Remote Frontend Software Developer Volunteer

Location
Caldicot, Monmouthshire, United Kingdom
professional experience working in a software development team, as a developer, tester or other similar role For web development: experience in HTML, CSS, JavaScript, React and ideally at least one server side language (PHP, Python etc). Experience and proficiency working with Python Experience of or demonstrated willingness to learn ...

Remote Senior Technical Support Engineer

Location
Barry, Glamorgan, United Kingdom
8+ years in Technical Product Support, a similar role, or a background in software development. Strong application programming experience, proficient in Java, Python, or JavaScript languages. Knowledge of software packaging and distribution concepts and tools. Excellent problem-solving and troubleshooting skills. An enthusiastic and effective communicator: you should be able ...

Remote Full Stack Engineer

Location
Llantwit Major, Glamorgan, United Kingdom
with the specific technologies in our stack is a strong plus Experience with languages sharing features with Typescript is also a plus (such as JavaScript , C# , Go , or similar) We favour generalists who can be flexible across the stack, both frontend and backend Strong verbal and written communication skills built ...

Remote Salesforce Commerce Cloud Developer (Retail)

Location
Pontyclun, Glamorgan, United Kingdom
will have the following: Strong experience in Salesforce Commerce Cloud (SFCC) development. Hands-on experience with PWA Kit and headless commerce implementations. Proficiency in JavaScript, Node.js, and front-end frameworks (React preferred). Knowledge of API integration and orchestration using MuleSoft or similar tools. Experience with Algolia search configuration ...