667 javascript English-speaking jobs in Portugal
Javascript Developer
- Syffer
- Lisbon
- May 15
Javascript Developer will contribute to the design and integration of AI-powered features and services. Collaborate with teams to translate AI use cases into software solutions. Build and integrate APIs and third-party services.
Javascript Developer
- HumanIT
- Porto
- May 7
Software developer to join a team building advanced platforms and services. Experience with Node.js, Express, MongoDB, and Redis is required.
Javascript Developer
- Digital Waffle
- Lisbon
- May 1
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.
JavaScript Security Engineer - Web Browser Vulnerabilities (Hybrid - Lisbon)
- Cognizant
- Portugal
- April 30
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
Fullstack .Net Developer
- bridge351
- Lisbon
- May 6
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
Retail & E-Commerce | Senior Frontend Developer
- Devoteam Portugal
- Porto
- May 11
Full-Stack JavaScript Developer (Node.js
- Trinetix
- Lisbon
- April 29
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
Full-Stack Developer - PHP/Laravel + Vue.js (m/f/x)
- Randstad II - Prestação de Serviços, Limitada
- Fajozes
- May 10
experience in building scalable distributed production software;Hands‐on programming experience in PHP and Javascript ... mandatory.competênciasDevelop high-performance, scalable, and reliable software applications using the PHP (Laravel) and Javascript
JavaScript / TypeScript Engineer (React)
- Evolution Gaming Limited
- Lisbon
- April 30
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
JavaScript / SAP UI5 Developer
- Aubay Portugal
- Portugal
- May 4
Implement and enhance SAP UI5 applications, ensuring brand compliance and accessibility. Collaborate with cross-functional teams to design, code, test, and deploy solutions.
Senior Frontend Software Engineer, Javascript
- PVComplete
- Portugal
- April 30
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
Software Development Engineer in Test (Mobile)
- We Are META
- Portugal
- May 4
Espresso, SnapKit, Continuous Integration / Continuous Delivery (CI/CD), UI Testing, Swift, API Testing, JavaScript ... to improve productivity, automation and engineering workflows Experience with Java, Kotlin, Swift, Javascript
Javascript Senior Software Engineer (AI Apps)
- Tether.io
- Portugal
- May 1
. +6 years of experience working with Nodejs/JavaScript.
Salesforce Developer - Portugal - 08/05/26
- Ibrowse
- Portugal
- May 13
Stripe.Technical Skills- Programming Languages: Apex (Salesforce proprietary language for backend logic), JavaScript
Javascript AUTOMATION TESTER (QAE) (HYBRID @Porto)
- KCS iT
- Portugal
- May 3
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.
Automation Tester
- Standout Tech
- Portugal
- May 4
testing.ResponsibilitiesDesign, implement, and maintain automated test frameworksDevelop test scripts using JavaScript ... improvementRequirementsSolid experience with automated testing frameworks and toolsStrong knowledge of JavaScript
Frontend Developer in Porto (m/f/d)
- mgm Germany
- Porto
- May 3
and TypescriptDevelopment for various devices and operating systemsWhat you should bringHTML, CSS, JavaScript
Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe)
- Talent Connect
- Lisbon
- February 24
Fullstack Engineer
- Promptly Health
- Portugal
- May 7
, 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
.Net Fullstack Developer - Up To €65.000 A Year
- Adentis Portugal
- Portugal
- May 4
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.
































