66 javascript English-speaking jobs in Barcelona

seeking a Senior Fullstack Software Engineer with strong expertise in Python and solid experience in JavaScript

Strong proficiency in JavaScript, TypeScript, React, or vanilla JS.

Experience as a software engineer using Java, JavaScript, or mobile technologies. ... Build and maintain plugins using JavaScript and mobile technologies (iOS/Android) to extend platform ... for frontend applications, and JavaScript and mobile technologies (iOS/Android) for plugin development ... Proficiency in at least one area: backend (Java), frontend (JavaScript/modern frameworks), or plugin/ ... ResponsibilitiesDevelop and optimize backend services in Java and/or frontend applications in JavaScript

Proven experience using JavaScript, TypeScript, Angular, ReactJS or similar Proven experience using Webpack ... Computer Science Engineering or related field 5+ years experience as GO Developer 5+ years experience as JavaScript

Proficiency in ampscript,JavaScript, HTML, CSS; Python is a plus. ... enhancements, templates, and technical processes Development and testing of script enhancements (including JavaScript

Required Skills Python React JavaScript Java Node.js Rust Go TypeScript Strong full-stack development

Strong proficiency in TypeScript/JavaScript. ... React Native, Expo, React.js, Vite, TypeScript, JavaScript, Node.js, AWS, Cloud Computing, REST APIs,

requirements: Extensive professional experience developing customer-focused, web-based services using JavaScript

Familiarity with HTML, CSS, and JavaScript / TypeScript. Understanding of data modelling.

one or more CIS certifications (CIS-ITSM, CIS-ITAM, CIS-SIR) — desired Strong scripting knowledge in JavaScript ... Provide 2nd and 3rd level ServiceNow support, resolving incidents, enhancements, and defects using JavaScript

Tech Skills & Certifications HTML, CSS, JavaScript knowledge is highly valuable. ... Knowledge of front‐end development technologies (HTML, CSS, JavaScript) is a plus.

What we're looking for- Strong professional experience with JavaScript and TypeScript.- Solid frontend

RAG and agent evaluation REST APIs, MCP and integrations with external systems Forge development with JavaScript

and mentoring senior engineers in fast-paced, innovative environmentsTechnical skills: Proficiency in JavaScript

Automation; Experience designing or evolving automation frameworks; Strong development knowledge of JavaScript

Very strong frontend expertise, particularly with JavaScript, Node.js and React.

As a Lead Engineer, you will be in charge of: Working with top-notch tech stack including: ES6 code, Javascript ... design, system design, performance tuning, performance engineering, design patterns, data modelling Javascript

.: Laravel, Symfony, CodeIgniter, etc.).Javascript, JQuery, HTML5/CSS3Desirable/valuable or willing to

to partner with business colleagues and build trusted relationships Some front-end development and JavaScript

Strong proficiency in one or more modern programming languages (e.g., Python, Java, JavaScript, C#).