652 javascript English-speaking jobs in Portugal

JavaScript Security Engineer - Web Browser Vulnerabilities English Required / Based in Lisbon, Portugal ... / HybridWe are seeking a skilled JavaScript and cyber‐security professional to analyze, reverse engineer ... as React, Angular, or jQuery.Strong code reverse engineering and debugging skills, particularly in JavaScript ... and maintain clear technical documentation.You are someone who bringsStrong hands‐on experience with JavaScript ... security violations and malicious behaviour.Perform code reverse engineering and debugging, primarily in JavaScript‐based

Senior Node.js Backend Developer to build and maintain scalable backend services and APIs. Collaborate with product and engineering teams to design new features and optimize services for performance, scalability, and reliability.

JavaScript Security Engineer - Web Browser Vulnerabilities English Required / Based in Lisbon, Portugal ... / HybridWe are seeking a skilled JavaScript Security Engineer with a strong background in web technologies ... static and dynamic analysis techniques to detect security violations and malicious behavior.Perform JavaScript ... Angular, or jQuery.Strong code analysis, debugging, and reverse engineering skills, particularly in JavaScript ... improvement of security workflows and tooling.You Are Someone Who BringsStrong hands‐on experience with JavaScript

Required ExperienceAt least 2 years of experience in .NET.At least 3 years of experience in JavaScript ... SkillsExcellent knowledge of .NET 10 and .NET Framework (C#) server‐side programming.Excellent knowledge of JavaScript

Software Engineer with 4+ years of experience building REST APIs and working with authentication. Experience with WebAssembly, web security, databases, and CI/CD workflows is required. Familiarity with containerized environments and cloud platforms is a plus.

Full-Stack Developer (Full Remote from Everywhere) We are seeking a passionate and skilled Full-Stack JavaScript ... user-friendly applications.RequirementsMinimum of 5 years of professional experience as a Full-Stack JavaScript

testing.ResponsibilitiesDesign, implement, and maintain automated test frameworksDevelop test scripts using JavaScript ... improvementRequirementsSolid experience with automated testing frameworks and toolsStrong knowledge of JavaScript

We are searching for passionate JavaScript / TypeScript engineers to take an integral part in building ... development, and improving yourself technically;Proven experience in delivering production software using JavaScript ... contemporary programming trends such as functional and reactive programming, CSS preprocessing, alternative JavaScript ... specifications libraries like Jest, Enzyme, Puppeteer/PlayWright, WebDriverIO, Cucumber, Mocha.Knowledge of JavaScript

. +6 years of experience working with Nodejs/JavaScript.

Full-Stack Developer to build scalable features for an application marketplace, including dashboards, APIs, and user-facing components. Collaborate with teams to translate requirements into high-quality deliverables. Ensure code quality through testing, reviews, and adherence to best practices.

We are seeking a QA Automation Tester with 5+ years of experience in software testing and automation. The ideal candidate will have experience with Selenium, CI/CD pipelines, and version control systems like Git. Excellent problem-solving, communication, and teamwork skills are required. Proficiency in English is mandatory.

Deep understanding of the browser and UI development in JavaScript Knowledge of REST API best practices ... You should be comfortable writing vanilla JavaScript, as well as using Angular, React, or a similar frontend ... Your primary code contribution will come in the form of frontend JavaScript code, with periodic contributions ... + years professional experience developing and delivering commercial software Expert level skill in JavaScript ... languages Knowledge of object‐oriented programming best practices and the ability to realize them in JavaScript

Strong experience in modern JavaScript frameworks (Vue.js, React, Angular, or Svelte).

Develop and maintain advanced TIBCO Spotfire dashboards, data models, and integrations. Implement complex logic using Spotfire Expressions, IronPython, JavaScript, and the Spotfire SDK. Optimize reports for large data volumes.

Do you have experience with Python/Django or Java and Javascript? ... Qualifications5+ years of experience and deep knowledge on Java or Python Experience in Javascript development

Proven experience developing JavaScript inside D365 CE. ... Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe) 📍 100% Remote – EUROPA ... Key Responsibilities Develop and maintain advanced JavaScript customizations in Dynamics 365 CE. ... This is a development-focused position requiring solid expertise in JavaScript within D365 CE, advanced ... Apply Now If you are a Technical Developer in Dynamics 365 Customer Service with strong JavaScript expertise

and TypescriptDevelopment for various devices and operating systemsWhat you should bringHTML, CSS, JavaScript

, TypeScript, Node, Python, Django, Kafka Experience with frontend JavaScript libraries such as React ... job QualificationsProficient on the base Full-Stack development technologies, including HTML5/CSS3/JavaScript

Senior Frontend Developer to join a leading IT consultancy in Lisbon. Develop and maintain web applications using ReactJS, NextJS, HTML, CSS, TypeScript, and JavaScript. Minimum 5 years of professional experience in modern front-end technologies required. English proficiency at least B2 level.

What we're looking for: Experience in JavaScript development Expertise in JavaScript frameworks (Angular