662 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 Security Engineer - Web Browser Vulnerabilities (Hybrid - Lisbon)
- Cognizant
- Lisbon
- April 21
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
- April 23
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.
Fullstack .Net Developer
- bridge351
- Lisbon
- 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
Low-Code Automation Engineer - Freelance AI Trainer
- Mindrift
- Porto
- April 16
Mindrift is looking for skilledLow-Code Automation Engineers (Make.com / n8n, JavaScript)to join the ... professionals with hands‐on experience in low-code automation platforms, workflow architecture, and JavaScript-based ... workflows using low-code platforms (Make.com, n8n), APIs, webhooks, and event-based logicImplement custom JavaScript
Javascript Lead Developer
- Emergn
- Funchal
- April 20
important role in our growth.Join our Javascript team, and let's make an impact together! ... As a LeadLead Javascript Developerat Emergn, you'll help us shape Emergn's exciting future and play an ... We want you to:Take responsibility over designing, coding, testing and deploying Javascript-based applications.Collaborate
Automation Tester
- Standout Tech
- Lisbon
- April 13
testing.ResponsibilitiesDesign, implement, and maintain automated test frameworksDevelop test scripts using JavaScript ... improvementRequirementsSolid experience with automated testing frameworks and toolsStrong knowledge of JavaScript
Malware Analyst - Web Browser Vulnerabilities
- Phiture
- Lisbon
- April 29
Browser VulnerabilitiesEnglish Required / Based in Lisbon, Portugal / HybridWe are looking for a skilled JavaScript ... 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 behavior.Perform code reverse engineering and debugging, primarily in JavaScript-based ... open-source tools.Understanding of obfuscation and de-obfuscation techniques (preferred).Ability to analyze JavaScript
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
JavaScript / SAP UI5 Developer
- Aubay Portugal
- Lisbon
- 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.
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
TIBCO Spotfire Senior Developer
- emagine
- Lisbon
- April 29
Develop and maintain advanced TIBCO Spotfire dashboards, data models, and integrations. Implement complex logic using Spotfire Expressions, IronPython, JavaScript, and the Spotfire SDK. Optimize reports for large data volumes.
Frontend Developer in Porto (m/f/d)
- mgm Germany
- Porto
- April 12
and TypescriptDevelopment for various devices and operating systemsWhat you should bringHTML, CSS, JavaScript
Frontend Developer
- Landskill
- Lisbon
- April 12
What we're looking for: Experience in JavaScript development Expertise in JavaScript frameworks (Angular
Software Engineer – Mid Java Fullstack
- GRiT Solutions
- Lisbon
- April 12
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
Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe)
- Talent Connect
- Lisbon
- February 24
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
Angular Developer
- 99x
- Viseu
- April 21
develop and maintain web applications, implement responsive designs using HTML, CSS, TypeScript, and JavaScript
Javascript Senior Software Engineer (AI Apps)
- Tether.io
- Portugal
- April 23
. +6 years of experience working with Nodejs/JavaScript.
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.













































