25 of 25 Permanent JavaScript Jobs in Mid Wales

negotiable requirement) • 1–3 years of professional software development experience, or equivalent strong project-based work • Strong proficiency in TypeScript and modern JavaScript • Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching) • Backend experience with Node.js and/or Python (REST APIs, authentication ...

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 ...

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 KEY RESPONSIBILITIES: Build & Streamline CI/CD Pipelines: Design, implement ...

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 ...

leading AI lab. Qualifications: Advanced professional written proficiency in English 3–7 years of professional software engineering experience Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go Backend or full‐stack development experience in production systems Experience with testing frameworks (e.g., pytest, Jest, JUnit ...

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 ...

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 ...

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 ...

offers, depending on the company's needs. n Responsibilities Leading technical engineering teams Should have a strong technical background with skills like react, node.js , JavaScript etc. Gather and Validate the requirements. Running Daily Scrum meetings and working in Agile environment. Outlining a detailed product strategy. Managing teams both onsite ...

offers, depending on the company's needs. \n Responsibilities Leading technical engineering teams Should have a strong technical background with skills like react, node.js , JavaScript etc. Gather and Validate the requirements. Running Daily Scrum meetings and working in Agile environment. Outlining a detailed product strategy. Managing teams both onsite ...

Kubernetes and Docker. Experience of administering IP networking in a corporate environment. Experience of automating tasks using languages and tools such as Bash, Python, JavaScript, and GitHub Actions. Knowledge of how to effectively use security testing and monitoring tooling, e.g. SAST and SIEM products. Knowledge of how to configure monitoring ...

contribute to how we continuously improve as a team. Influence engineering practices beyond your immediate team. What You Bring Strong software engineering experience (JavaScript, TypeScript, or similar). A track record of building or improving automated testing in real-world systems. Experience working in modern development environments with CI/ ...

contribute to how we continuously improve as a team. Influence engineering practices beyond your immediate team. What You Bring Strong software engineering experience (JavaScript, TypeScript, or similar). A track record of building or improving automated testing in real-world systems. Experience working in modern development environments with CI/ ...

this, we expect you to be: Knowledgeable and experienced with micro-service architecture. Comfortable with high-availability concepts. Highly proficient in JavaScript and ES6+. Thoroughly experienced with React , Flux, SASS, Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. Experienced with WebSocket s, REST ...

this, we expect you to be: Knowledgeable and experienced with micro-service architecture. Comfortable with high-availability concepts. Highly proficient in JavaScript and ES6+. Thoroughly experienced with React , Flux, SASS, Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. Experienced with WebSocket s, REST ...

processes with the highest security principles and standard, in order to protect the safety of the entire user base. 6+ Years of Node/JavaScript experience Familiar with microservices architecture Have actively participated in the development of a complex platform Good experience in interacting with databases (MySQL, MongoDB) Ability ...

. Maintain stability across macOS and Windows environments. Ideal Experiences Proven software engineering experience. Hands-on experience building production Electron applications. Strong proficiency in JavaScript and TypeScript. Experience with React or similar UI frameworks. Solid understanding of the desktop application lifecycle. Experience with IPC communication. Experience working with local storage ...

. Maintain stability across macOS and Windows environments. Ideal Experiences Proven software engineering experience. Hands-on experience building production Electron applications. Strong proficiency in JavaScript and TypeScript. Experience with React or similar UI frameworks. Solid understanding of the desktop application lifecycle. Experience with IPC communication. Experience working with local storage ...

. Maintain stability across macOS and Windows environments. Ideal Experiences Proven software engineering experience. Hands-on experience building production Electron applications. Strong proficiency in JavaScript and TypeScript. Experience with React or similar UI frameworks. Solid understanding of the desktop application lifecycle. Experience with IPC communication. Experience working with local storage ...

years experience contributing to active projects/websites Ability to write well-structured, semantic, and accessible HTML and CSS An excellent understanding of JavaScript, with strong knowledge of Web Components Solid understanding of core web development principles and front-end performance best practices Building complex interactions in a performant ...

Salesloft, Gong or Chorus, and real-time chat/qualification tools like Qualified or Drift. Ability to write and maintain production integrations — Python, JavaScript, or equivalent — connecting AI agents to CRM, MAP, and sequencing tools via APIs. You don't need to be a software engineer, but you need ...

personal attributes and experience outlined above. On top of this, we expect you to be: Comfortable with high-availability concepts. Highly proficient in JavaScript and ES6+. Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. ...

accelerate experimentation, delivery, and impact What You Will Own Innovation Engineering & Product Development Design, prototype, and deliver new features across backend (PHP) and frontend (JavaScript) that extend Matomo’s capabilities Work across additional technologies where needed, including Python and Node.js Rapidly explore and validate new product ideas — including … fully remote, global environment What You Bring Requirments 3-5 years experience with backend development in PHP or Python, databases, and frontend development in JavaScript Proven track record of delivering features end-to-end — from concept through prototyping to production Strong problem-solving skills with a pragmatic approach to innovation ...

then this might be the perfect role for you! We have an opening for a pro-active and personable Solution Engineer with deep JavaScript, HTML, and Web development experience. This is a client-facing role where you will be the point person for our enterprise clients in the region … banking clients and address their ongoing technical & functional questions. Act as technical go-to person for our customer success organization Leverage your deep HTML, JavaScript, Web development, SQL, and Java skills to customize our clients' implementations. Play an evangelist role with our clients on the existing and/ ...

resolve issues Use tools like Postman to troubleshoot API calls, inspect requests/responses, and identify root cause Investigate and resolve issues across JavaScript, HTML, CSS, and front-end behavior Document fixes, known issues, and reusable solutions for the broader support and services teams Provide hand-off and continuity coverage … technical support, solutions, or implementation role at a B2B SaaS company (pure software -- not hardware, networking, or systems integration) Strong working knowledge of JavaScript, HTML, CSS, and APIs Comfortable using Postman or similar tools to troubleshoot API behavior Experience administering or supporting SaaS platforms Genuine technical curiosity -- self-directed learner ...