543 javascript English-speaking jobs in Portugal
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Senior Frontend Developer (React & React Native)
- NextChallenge
- Lisboa
- September 16
Senior Frontend Developer (React & React Native)
We are looking for an experienced JavaScript developer ... Role Overview
We are looking for an experienced JavaScript developer with a deep understanding of React ... Skills & Experience
7+ years of experience as a Front-End Engineer;
Solid background in coding pure JavaScript
JavaScript Frontend Engineer (Web Security) - Lisbon based/hybrid
- Cognizant
- Misericórdia
- August 28
Ability to analyze JavaScript code and identify malicious activities effectively. ... JavaScript Engineer - Web Browser Vulnerabilities
English Required / Based in Lisbon, Portugal / Hybrid ... Perform JavaScript reverse engineering and debugging to understand complex or obfuscated codebases. ... We are seeking a skilled JavaScript Engineer with a strong background in web technologies and cybersecurity ... You are someone who brings:
Strong hands‑on experience with JavaScript, including advanced concepts
Frontend JavaScript Developer
- DataSmart
- Porto
- July 29
Develop user-friendly interfaces and collaborate with teams to deliver high-quality solutions. Experience with frontend frameworks (React, Vue.js, or Angular) and RESTful APIs required.
Fullstack .Net Developer
- bridge351
- Portugal
- September 1
- remote work
- visa sponsorship
Excellent knowledge of JavaScript programming language. Excellent knowledge of SQL Server. ... At least 3 years of experience in JavaScript, with knowledge of Angular/eUI and KnockoutJS (asset).
Full Stack JavaScript/TypeScript Engineer
- Vigil
- Portugal
- September 12
Proven experience working with vanilla JavaScript. ... Working directly with vanilla JavaScript, the DOM and browser APIs. ... WHAT WE ARE LOOKING FOR: Strong commercial experience with JavaScript and TypeScript. ... SUMMARY: We are looking for a Mid-Senior Full Stack JavaScript/TypeScript Engineer to join a Commercial ... DOING: As part of an agile software development team, you will: Develop and maintain software using JavaScript
Full-Stack JavaScript Developer (Node.js
- Trinetix
- Portugal
- September 1
- remote work
Full-Stack Developer (Full Remote from Everywhere) We are seeking a passionate and skilled Full-Stack JavaScript ... Requirements Minimum of 5 years of professional experience as a Full-Stack JavaScript Developer or similar
Javascript Senior Software Engineer (AI Apps)
- Tether.io
- Portugal
- September 1
. +6 years of experience working with Nodejs/JavaScript.
Javascript AUTOMATION TESTER (QAE) (HYBRID @Porto)
- KCS iT
- Portugal
- September 1
Seeking a Javascript Automation Tester (QAE) with 5+ years of experience. Requires Selenium expertise, knowledge of testing principles, and CI/CD familiarity. Must have a Bachelor's degree and proficiency in English.
ServiceNow Developer
- Queen Square Recruitment
- Portugal
- September 6
system integrations and process automation, REST/SOAP APIs, Active Directory/Azure AD/LDAP, PowerShell, JavaScript
Senior Developer for Dynamics 365
- Tenth Revolution Group
- Lisbon
- September 9
Platform Design entities, forms, workflows, business rules, and integrations Develop using C#/.NET, JavaScript ... Looking For 6+ years of experience with Dynamics 365 and Power Platform Strong skills in C#/.NET and JavaScript ... Location: Lisbon, Portugal Working Model: Hybrid #Dynamics365 #PowerPlatform #D365 #DotNet #CSharp #Azure #JavaScript
Frontend Software Engineer - React/JavaScript (m/f/d)
- SIXT
- Portugal
- August 1
of frontend software engineering experience Hard Skills You have strong React.js and framework-based JavaScript
Front-end Web Developer
- Jing Hau
- Portugal
- September 1
- visa sponsorship
The ideal candidate will have strong knowledge of HTML, CSS, and JavaScript, as well as experience with ... Proven experience as a Front-end Web Developer or similar role Proficient understanding of HTML, CSS, JavaScript
Senior Software Engineer (JavaScript and React)
- Hirebridge
- Lisboa
- August 30
Senior Software Engineer specializing in JavaScript and React. This role drives platform adoption of Core and AI Platform capabilities, contributing to codebases, authoring best practice guidance, and partnering on test plans for production quality.
Senior Software Engineer (JavaScript and React)
- Sovos Latinoamérica
- Lisboa
- August 28
Strong technical depth in JavaScript and React.
Frontend Engineer
- Jobtailor
- Portugal
- September 16
Design, build, and maintain lightweight, high-performance JavaScript/TypeScript SDKs and payment components ... as a Frontend Engineer building sophisticated, high-performance web applications Deep knowledge of JavaScript ... Highest-signal resume keywords JavaScript/TypeScript React Framework Web Accessibility (WCAG) Backend-for-Frontend ... support required to work in the EU Core Competencies Demonstrates expertise in building high-performance JavaScript
Web Developer
- PrimeDefense USA
- Portugal
- September 1
- visa sponsorship
Extensive knowledge of web development languages: HTML, CSS, JavaScript, PHP. ... Location Almada, Portugal Responsibilities Design and develop websites using HTML, CSS, JavaScript, and
Front-End Web Developer
- Ecojob
- Portugal
- September 1
- no experience
You will use your expertise in HTML, CSS, and JavaScript to develop and maintain the front-end of our
frontend developer web security
- Enfint
- Portugal
- September 1
static and dynamic analysis techniques to detect security violations and malicious behavior Perform JavaScript ... continuous improvement of security workflows and tooling Требования Strong hands-on experience with 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 ... applications Ability to analyze JavaScript code and identify malicious activities effectively Good communication
Web Developer - Braga, Portugal
- Flyper
- Portugal
- September 1
- visa sponsorship
development techniques and tools, as well as experience with front-end languages such as HTML, CSS, and JavaScript ... experience as a Web Developer or similar role Strong knowledge of front-end languages such as HTML, CSS, JavaScript
Senior Software Engineer (JavaScript and React)
- Sovos Compliance
- Lisbon
- August 21




























