46 javascript English-speaking jobs in Madrid

designing and evaluating prompts to hit measurable quality targets * Coding knowledge in Python or JavaScript

years of experience in front-end and UX/UI software development * Solid working knowledge of VueJS, Javascript

Programming languages: web technologies (JavaScript, Node.js, Angular), Java.

Technical Depth: Hands‑on experience with web technologies (JavaScript, HTML, CSS) and ROI‑based solutioning

Experience with common scripting languages (JavaScript, Bash/Shell, Python).

Strong programming experience with Java, Python, JavaScript or Kotlin .

Strong programming experience with Java, Python, JavaScript or Kotlin .

Experience with common scripting languages (JavaScript, Bash/Shell, Python).

project and component, you’ll work with technologies such as: React · Next.js · Node.js · Java · Spring · JavaScript

systems (Prometheus, Grafana) Development knowledge in a widely used development language (Python, JavaScript

Strong programming experience with Java, Python, JavaScript, or Kotlin .

Strong programming experience with Java, Python, JavaScript, or Kotlin .

Engineering or a related discipline or equivalent Experience with programming languages like Python, JavaScript

Engineering or a related discipline or equivalent Experience with programming languages like Python, JavaScript

Hands‑on experience with web automation, preferably using Playwright with JavaScript/TypeScript.

Web application development experience using JavaScript, HTML and CSS.

Web application development experience using JavaScript, HTML and CSS.

Strong knowledge of React , JavaScript , and TypeScript .

* Strong experience with TypeScript / JavaScript. * Strong experience with React. * Experience working

Strong experience with TypeScript (Node.js/JavaScript also considered).