610 javascript English-speaking jobs in Portugal
JavaScript Security Engineer - Web Browser Vulnerabilities (Hybrid - Lisbon)
- Cognizant Technology Solutions
- Lisbon
- May 2
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
Are you a JavaScript Frontend Engineer ready to dive into Web Security- (Hybrid – Lisbon)
- Cognizant
- Lisbon
- May 23
JavaScript Engineer - Web Browser Vulnerabilities English Required / Based in Lisbon, Portugal / HybridWe ... are seeking a skilled JavaScript Engineer with a strong background in web technologies and cybersecurity ... 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 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.
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
JavaScript/TypeScript Developer
- Neotalent Conclusion
- Portugal
- May 17
JavaScript/TypeScript Developer will collaborate with engineering and product teams on a large-scale product with a focus on AI.
Customer Success Manager
- Jscrambler
- Porto
- May 16
As leaders in Client-Side Protection and Compliance, we have pioneered the integration of advanced JavaScript
JavaScript / SAP UI5 Developer
- Aubay Portugal
- Lisbon
- 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.
Javascript Senior Software Engineer (AI Apps)
- Tether.io
- Lisbon
- April 29
. +6 years of experience working with Nodejs/JavaScript.
Frontend Platform Developer (Angular)
- We Are META
- Lisbon
- May 8
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
JavaScript / TypeScript Engineer (React)
- Evolution Gaming Limited
- Portugal
- May 1
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 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
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.
Software Engineer – Mid Java Fullstack
- GRiT Solutions
- Lisbon
- May 3
The ideal candidate will have a strong background in Java and client-side JavaScript frameworks such ... Qualifications: 3+ years of professional software development experience using Java Experience with client-side JavaScript
Full-stack Developer
- MobilityNow - Connecting Worlds Securely
- Lisbon
- May 4
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
Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe)
- Talent Connect
- Lisbon
- February 24
Creative Tech | Angular Developer
- Devoteam
- Portugal
- May 6
development.In-depth knowledge of the Angular framework and its core features.Experience with HTML, CSS, and JavaScript
Full Stack Developer - Mosano
- Mosano
- Porto
- May 1
Developer; Strong proficiency in JavaScript and TypeScript; Solid experience with React (and optionally ... ResponsibilitiesDevelop and maintain scalable web applications using JavaScript/TypeScript; Build responsive ... Troubleshoot, debug, and optimize application performance; Ideal Profile3+ years of experience as a Fullstack JavaScript
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
Full-Stack Engineer
- Blip
- Porto
- May 1
applications.Consolidated experience in ReactJS.Experience with JavaScript test tools (e.g. ... NPM, Webpack, Grunt, Gulp, etc) and server-side JavaScript (NodeJS).Experienced with Automated testing ... rapid change.Frontend SkillsConsolidated professional experience building high-quality, performant JavaScript













































