634 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
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
Javascript Developer
- Digital Waffle
- Portugal
- May 1
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.
Retail & E-Commerce | Senior Frontend Developer
- Devoteam Portugal
- Porto
- May 11
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
- Portugal
- May 7
Software developer to join a team building advanced platforms and services. Experience with Node.js, Express, MongoDB, and Redis is required.
JavaScript/TypeScript Developer
- Neotalent Conclusion
- Lisbon
- May 17
JavaScript/TypeScript Developer will collaborate with engineering and product teams on a large-scale product with a focus on AI.
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
Full-Stack JavaScript Developer (Node.js and
- Trinetix
- Lisbon
- April 29
We are seeking a passionate and skilled Full-Stack JavaScript Developer with at least 5 years of experience ... user-friendly applications.RequirementsMinimum of 5 years of professional experience as a Full-Stack JavaScript
Customer Success Manager
- Jscrambler
- Portugal
- May 16
As leaders in Client-Side Protection and Compliance, we have pioneered the integration of advanced JavaScript
Senior Frontend Software Engineer, Javascript
- PVComplete
- Porto
- April 23
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
Angular Frontend
- ADENTIS
- Porto
- May 17
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.
Javascript Senior Software Engineer (AI Apps)
- Tether.io
- Lisbon
- April 29
. +6 years of experience working with Nodejs/JavaScript.
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
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.
Fullstack Engineer
- Promptly Health
- Lisbon
- 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
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
Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe)
- Talent Connect
- Lisbon
- February 24
Frontend Developer in Porto (m/f/d)
- mgm Germany
- Portugal
- May 3
and TypescriptDevelopment for various devices and operating systemsWhat you should bringHTML, CSS, JavaScript
.Net Fullstack Developer - Up To €65.000 A Year
- 99x
- Portugal
- May 17
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.














































