1 to 25 of 53 JavaScript Jobs in South Wales

with front-end trends and suggesting improvements Supporting and mentoring junior engineers What you'll need Essential Strong experience with React (hooks), Zustand, TypeScript, JavaScript Solid knowledge of HTML and CSS Familiarity with testing tools such as Vitest, Playwright, or equivalent Strong analytical and debugging ability Effective communicator, able ...

/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 ...

teams. Strong hands-on expertise with the Microsoft .NET ecosystem: C#, ASP.NET MVC, Entity Framework, Visual Studio. Solid understanding of web technologies such as JavaScript, React, Angular, HTML. Strong grounding in software engineering principles, including SOLID, design patterns, and scalable architecture. Experience delivering enterprise-grade, cloud-hosted applications. Strong understanding ...

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 ...

developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

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. ...

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 ...

Fluency in English (native or bilingual level). Preferred experience in Kotlin. Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and grammar skills. A bachelor's degree (completed or in progress). Previous ...

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 ...

principles. Work in concert with team Business Analysts to ensure measurable and fulfil team OKRs. Report to Technical lead. Required Skills Development using Python, JavaScript libraries and frameworks (Next.js and React preferred) Development of serverless or backend applications (Node.js, Python, etc.) API knowledge and related security principles. Good knowledge ...

focus on development, integrations and technical excellence. Requirements Proven experience as a Shopify Developer, ideally agency-side Strong skills in HTML, CSS, JavaScript and Liquid Experience with third-party integrations and APIs Understanding of replatforming and migration best practices Awareness of technical SEO principles (full SEO support in-house) Strong ...

principles. Work in concert with team Business Analysts to ensure measurable and fulfil team OKRs Report to Technical lead Required Skills Development using Python, JavaScript libraries and frameworks (Next.js and React preferred) Development of serverless o backend applications (Node.js , Python etc ) API knowledge and related security principles Good knowledge ...

debug complex integration issues Experience with database design and optimization Familiarity with middleware platforms (MuleSoft, Dell Boomi, or similar) is a plus Knowledge of JavaScript, JSON, and XML for integration work Professional Skills: Excellent communication skills for technical documentation and client interaction Ability to work independently and manage multiple projects ...

researching and implementing new technologies Experience with mentoring/knowledge-sharing Proven experience in coding with a programming/scripting language (e.g. Java, Golang , Javascript , Python, Bash) Proven experience in IAC frameworks (e.g. Terraform , Ansible , Pulumi ) Proven experience in using LINUX/UNIX Proven experience in using the GitOps approach ...

integrations. Experience with MuleSoft and integration best practices. Familiarity with Agile delivery and tools (Jira, CI/CD). Web development skills (HTML, CSS, JavaScript). Excellent communication and stakeholder management. Ability to mentor junior team members. Preferred Certifications Salesforce App Builder or Administrator. Salesforce Platform Developer I & II. Salesforce ...

using GitHub CI or/and Octopus Deploy. The ability to read and debug code in at least one of their core languages: JavaScript, Golang, Node.js or PHP. Benefits at a glance: A starting salary of £65,000 - £70,000 DOE A starting holiday allowance of 25 days holidays + ...

using GitHub CI or/and Octopus Deploy. The ability to read and debug code in at least one of their core languages: JavaScript, Golang, Node.js or PHP. Benefits at a glance: A starting salary of £60,000 - £70,000 DOE A starting holiday allowance of 25 days holidays + ...

/Reliability Testing Experience of Systems and Systems Integration testing, including End-2-End testing Experience in object-oriented programming (e.g. C++, C#, Java, JavaScript, Python) Demonstrated experience and aptitude for problem solving and debugging Ability to complete design and test related tasks with minimal supervision Work Environment This ...

quality engineering and attentive, customer-focused development. What you'll bring to the Team: Expertise in Backend Development: Strong proficiency in Node.js, TypeScript/JavaScript best practices, along with experience in at least one other server-side language. Database Mastery: You're a SQL guru, particularly with PostgreSQL, handling query ...

shipping iteratively and learning from real-world usage Mentor and collaborate with other engineers on the team, sharing expertise in desktop development and modern JavaScript tooling Contribute to cross-functional initiatives with partner teams, strengthening integrations and expanding what's possible in the desktop and artifact ecosystem Your Impact Will … professional software development experience. Production experience in shipping Electron-based desktop applications for Windows, macOS, and Linux Proficiency in React, TypeScript, and modern JavaScript; experience with CSS/SASS, component libraries (e.g., KendoReact) Strong knowledge of Node.js, Express, and persistent storage tools (e.g., electron-store); solid Python experience for service ...

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 ...

development, devops, consulting and customer success management Passionate about technical solutions and working with customers Experience with Cloud Native and Hybrid solutions Experience with Javascript, or a working knowledge of common development languages to enable basic scripting Bachelor's degree in IT/Computer Science or similar certification/knowledge ...

Logistics, FinTech, Transportation, Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player ...