785 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
- 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
- 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
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 / TypeScript Developer
- Aubay Portugal
- Lisbon
- April 30
4+ years of experience as a Software Engineer Strong experience with JavaScript/TypeScript and React
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
DevOps Engineer
- Jscrambler
- Porto
- April 15
As leaders in Client-Side Protection and Compliance, we have pioneered the integration of advanced 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
Full-Stack Developer (PHP & JavaScript)
- InnoTech
- Lisbon
- March 1
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.
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
Full-Stack JavaScript Developer (Node.js
- Trinetix
- Portugal
- April 20
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
Dynamics 365 Customer Engagement Developer
- IRIUM Portugal
- Lisbon
- April 3
Key ResponsibilitiesDevelop C# plugins, custom workflows, and JavaScript/TypeScript for D365 CE. ... Front-end Enhancement: Develop client-side scripting (JavaScript/TypeScript) and Power Apps Component ... Stack: .NET (C#), JavaScript, SQL, FetchXML. Platform: Power Apps, Power Automate, and XrmToolBox.
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
Javascript Senior Software Engineer (AI Apps)
- Tether.io
- Portugal
- April 23
. +6 years of experience working with Nodejs/JavaScript.
Javascript AUTOMATION TESTER (QAE) (HYBRID @Porto)
- KCS iT
- Portugal
- April 24
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
- Portugal
- April 19
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
HubSpot CMS Developer
- Rumos SA
- Lisbon
- April 28
Retail & E-Commerce |.NET and Blazor Developer
- Devoteam Portugal
- Porto
- April 16















































