86 javascript English-speaking jobs in Madrid

Head of the Web Ecosystem, you will own the mid- and long-term strategy for JetBrains products for JavaScript ... Requirements A deep understanding of how web developers work: JavaScript/TypeScript, major frameworks

Senior Fullstack Engineer (Java/Kotlin + Javascript) Who is Parser? ... Kotlin) in production environments Strong proficiency in modern frontend technologies (HTML5, CSS3, JavaScript

C#, Java, Python) and JavaScript frameworks (e.g. ... HTML/ CSS, JavaScript, XML, jQuery) Knowledge of multiple back-end languages (e.g.

produce clear reports with optimization recommendations; Review performance and monitoring code in Java, JavaScript ... testing or performance engineering roles; Proficiency in Playwright (Java, TypeScript) and Grafana k6 (JavaScript

8+ years of experience in software development as a Node.js backend engineer Excellent knowledge of JavaScript

.* Write clean, reliable TypeScript/JavaScript that scales.* Work directly with founders and designers ... record of shipping and optimizing production apps in React Native.* Deep proficiency in TypeScript / JavaScript

Custom development:** Develop plugins, workflows, custom activities, and reusable components using C#, JavaScript ... Bus, API Management, Azure Active Directory, Azure DevOps, and Git.* Strong programming skills in C#, JavaScript

What You Bring: Strong proficiency in React and JavaScript/TypeScript.

Requirements Strong proficiency in JavaScript and TypeScript, including modern ecosystem tooling (npm

and detailed reviews of technical documentation Write and execute frontend tests with Playwright and JavaScript ... best practices in quality assurance Strong hands‐on experience in frontend testing with Playwright and JavaScript

testing or performance engineering rolesProficiency in Playwright (Java, TypeScript) and Grafana k6 (JavaScript ... produce clear reports with optimization recommendationsReview performance and monitoring code in Java, JavaScript

* Integrations**Scripting*** JavaScript, Python, PowerShell, Ansible* REST APIs**Versión Control*** GitLab ... configuration, and implementation* Blueprints* Tenant management**Aria Orchestrator*** Workflows and patterns* JavaScript

Proven ability to build and maintain automation frameworks using Java, Kotlin, JavaScript/TypeScript,

We are looking for a Senior Frontend Developer with strong expertise in React.js , JavaScript, and TypeScript ... Our Stack Java Springboot Service oriented architecture, RESTful services SQL (Oracle) React, JavaScript

Strong experience building backend APIs and services in Go Solid knowledge of JavaScript and proven experience ... responsibilities will span from designing and implementing APIs in Go to building user facing features in modern JavaScript

Automators and Technical Account Managers into concrete technical implementations using Go, Python, or JavaScript

Minimum 1 year of experience in software development using JavaScript and/or Python.

User interface development React/Angular, JavaScript&TypeScript.

Hands-on experience reversing JavaScript VMs, WASM, and heavily obfuscated or polymorphic code. ... Strong proficiency in JavaScript/Node.js and Python, with a broad programming background and exceptional

User interface development React/Angular, JavaScript&TypeScript.