670 javascript English-speaking jobs in Portugal
JavaScript Security Engineer - Web Browser Vulnerabilities (Hybrid - Lisbon)
- Cognizant Technology Solutions
- Portugal
- 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 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 Developer
- Digital Waffle
- Portugal
- 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.
Javascript Lead Developer
- Emergn
- Portugal
- May 2
Lead Javascript Developer to collaborate on project scope, architecture, and delivery timelines. Conduct code reviews, enforce coding standards, and troubleshoot applications. Requires strong React knowledge, experience with Ruby on Rails, TypeScript, Redux, PostgreSQL, Docker, and OpenAI. Must have excellent English communication skills.
Retail & E-Commerce | Senior Frontend Developer
- Devoteam Portugal
- Porto
- May 11
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
Full-Stack Developer - PHP/Laravel + Vue.js (m/f/x)
- Randstad II - Prestação de Serviços, Limitada
- Fajozes
- May 10
experience in building scalable distributed production software;Hands‐on programming experience in PHP and Javascript ... mandatory.competênciasDevelop high-performance, scalable, and reliable software applications using the PHP (Laravel) and Javascript
Software Development Engineer in Test (Mobile)
- We Are META
- Lisbon
- May 4
Espresso, SnapKit, Continuous Integration / Continuous Delivery (CI/CD), UI Testing, Swift, API Testing, JavaScript ... to improve productivity, automation and engineering workflows Experience with Java, Kotlin, Swift, 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
- Porto
- 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.
Javascript Senior Software Engineer (AI Apps)
- Tether.io
- Portugal
- May 1
. +6 years of experience working with Nodejs/JavaScript.
Salesforce Developer - Portugal - 08/05/26
- Ibrowse
- Portugal
- May 13
Stripe.Technical Skills- Programming Languages: Apex (Salesforce proprietary language for backend logic), JavaScript
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
Senior DevOps Engineer, Trilogy (Remote) - $100,000/year USD
- Crossover
- Lisbon
- May 15
You'll break down complex projects into daily tasks, deliver production-ready Python or JavaScript, and
Angular Developer
- Adentis Portugal
- Coimbra
- May 1
Senior Frontend Developer to join our team in Lisbon. Develop and maintain web applications using ReactJS and NextJS. Implement responsive designs with HTML, CSS, TypeScript, and JavaScript.
Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe)
- Talent Connect
- Lisbon
- February 24
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
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
Frontend Developer
- Landskill
- Portugal
- May 3
What we're looking for: Experience in JavaScript development Expertise in JavaScript frameworks (Angular
Software Engineer – Mid Java Fullstack
- GRiT Solutions
- Portugal
- 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













































