908 javascript English-speaking jobs in Portugal
JavaScript Security Engineer - Web Browser Vulnerabilities (Hybrid - Lisbon)
- Cognizant Technology Solutions
- Lisbon
- April 18
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
Javascript Developer
- Digital Waffle
- Portugal
- March 29
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 22
JavaScript Security Engineer - Web Browser Vulnerabilities English Required / Based in Lisbon, Portugal ... / Hybrid We 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 ... regular code reviews and provide constructive feedback aligned with secure coding best practices.Analyze JavaScript
Javascript Lead Developer
- Emergn
- Portugal
- April 10
Lead Javascript Developer will collaborate with teams to define project scope, architecture, and delivery timelines. Responsibilities include code reviews, enforcing coding standards, troubleshooting, debugging, and optimizing applications. Requires strong React knowledge, experience with Ruby on Rails, TypeScript, Redux, PostgreSQL, Docker, and OpenAI. Must have excellent written and spoken English.
Fullstack .Net Developer
- bridge351
- Portugal
- April 14
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 Senior Software Engineer (AI Apps)
- Tether.io
- Lisbon
- April 16
. +6 years of experience working with Nodejs/JavaScript.
JavaScript / SAP UI5 Developer
- Aubay Portugal
- Portugal
- April 13
Implement and enhance SAP UI5 applications, ensuring brand compliance and accessibility. Collaborate with cross-functional teams to design, code, test, and deploy solutions.
JavaScript / TypeScript Engineer (React)
- Evolution Gaming Limited
- Portugal
- April 17
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 AUTOMATION TESTER (QAE)
- KCS iT
- Porto
- March 31
Strong proficiency in JavaScript and experience with CodeceptJS. Experience with Selenium. ... We are looking for an Amazing: Javascript AUTOMATION TESTER (QAE) Seniority: 5+ years Type of position
JavaScript Engineer - Hybrid Porto (1 day/week office)
- Humanit
- Porto
- March 2
JavaScript Engineer needed for a hybrid role in Porto. Analyze requirements, resolve issues, and contribute to continuous software improvement. Must have experience with modern web frameworks (Angular, React, Vue, or Svelte), HTML5, CSS3, REST APIs, and version control (Git).
Full-Stack Developer (PHP & JavaScript)
- InnoTech
- Portugal
- April 4
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.
Low-Code Automation Engineer - Freelance AI Trainer
- Mindrift
- Porto
- April 16
Full-Stack Developer - AI Trainer (Portugal)
- Why Not Remote
- Lisbon
- April 20
English - 3–7 years of professional software engineering experience - Strong proficiency in Python and JavaScript
DevOps Engineer
- Jscrambler
- Portugal
- March 25
As leaders in Client-Side Protection and Compliance, we have pioneered the integration of advanced JavaScript
Web Developer
- Morson Edge (Technology)
- Portugal
- March 27
JavaScript - HTML - Kotlin - Porto Salvo, Lisbon Salary: €1700-€2100 per month (depending on experience ... Java, C#, JavaScript, or TypeScript) Strong understanding of Spring and dependency injection principles
Full-stack Developer
- MobilityNow - Connecting Worlds Securely
- Lisbon
- April 13
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
Dynamics 365 Developer
- LUZA Group
- Lisbon
- April 1
PortugalWork Regime:Full-time & HybridResponsibilities and TasksDevelop C# plugins, custom workflows, and JavaScript ... management via Azure DevOps.Mandatory Requirements+3 years in Dynamics 365 CRM/CE development..NET (C#), JavaScript ... maintain C# plugins, custom workflow activities, and asynchronous processes.Develop client-side scripting (JavaScript
Frontend Developer in Porto (m/f/d)
- mgm Germany
- Portugal
- April 19
and TypescriptDevelopment for various devices and operating systemsWhat you should bringHTML, CSS, JavaScript
Data Steward: Data Catalog - Hybrid (Porto)
- Match Profiler
- Porto
- March 28
communication skills and ability to work across business and technical stakeholders.Familiarity with JavaScript
Software Engineer – $2500 Sign-On Bonus ID43921
- AgileEngine
- Funchal
- April 13
ABOUT THE ROLE As aMiddle/ Senior Java & Javascript Engineer , you will shape the deployment of cutting-edge




















































