693 javascript English-speaking jobs in Portugal

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

Senior Node.js Backend Developer to build and maintain scalable backend services and APIs. Collaborate with teams to design features, optimize performance, and implement security best practices.

Qualifications Bachelor’s degree in the IT area or equivalent; Highly proficient with the JavaScript ... code; Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest, Mocha ... libraries; Optimizing applications for high performance; Keeping up with the latest developments in the JavaScript ... rendering and its benefits and use cases; Ability to write efficient, secure, well-documented, and clean 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

JavaScript/TypeScript Developer will collaborate with engineering and product teams on a large-scale product with a focus on AI.

Lead Javascript Developer to collaborate on project scope, architecture, and delivery timelines. Conduct code reviews, enforce coding standards, and troubleshoot applications. Requires strong React knowledge, experience with Ruby on Rails, TypeScript, Redux, PostgreSQL, Docker, and OpenAI. Must have excellent English communication skills.

Implement and enhance SAP UI5 applications, ensuring brand compliance and accessibility. Collaborate with cross-functional teams to design, code, test, and deploy solutions.

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

Frontend Platform Developer (Angular) Lisbon / Remote English, HTML, CSS, JavaScript, Angular 2+, TypeScript ... browser troubleshooting and debugging practices and techniques;Strong understanding of HTML, CSS and JavaScript

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

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

Senior React Frontend Engineer to develop and maintain web applications using React.js, Next.js, HTML, CSS, TypeScript, and JavaScript. Experience with REST APIs, DevOps practices, and Git required.

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.

position requires a combination of programming knowledge, both PHP and MySQL as well as HTML5, CSS3 and JavaScript ... and higher) Good knowledge of MySQL Good knowledge of front‐end technologies, including HTML5, CSS3, JavaScript

We are looking for a full-time WordPress developer wanting to grow into JavaScript frameworks to join ... reviews, technical architecture and infrastructure setup.Build exciting web solutions mainly using JavaScript ... the following set of skills and experienceWordPress experience and PHP programming knowledge.Basic JavaScript

development.In-depth knowledge of the Angular framework and its core features.Experience with HTML, CSS, and JavaScript

. +6 years of experience working with Nodejs/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 design, develop, and maintain web applications using React.js, Next.js, TypeScript, and JavaScript. Experience with REST APIs, DevOps practices, and Git required. Minimum five years of experience in modern frontend technologies and English proficiency (B2 level) required.