642 javascript English-speaking jobs in Portugal

Software developer to join a team building advanced platforms and services. Experience with Node.js, Express, MongoDB, and Redis is required.

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

Senior Backend Developer to build and maintain scalable backend services and APIs using Node.js, Express, MongoDB, and Redis. Collaborate with product and engineering teams to design new features and optimize for performance, scalability, and reliability.

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.

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

Full-Stack JavaScript Developer with 5+ years of experience needed. Expertise in React, Node.js, PostgreSQL, and AWS required. Develop, test, and maintain web applications, design database schemas, and deploy applications on AWS.

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

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.

Full Stack Developer (50% Front End – 50% Back End) needed for hybrid projects. Requires 3+ years experience in software development with Java (Backend) and React/Redux/ES6/LESS (Frontend). Must have experience with PostgreSQL/SQL Server, Elasticsearch, Git, K8S, Teamcity, Octopus Deploy, Docker, and Kubernetes. Fluent English required.

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.

Proven experience developing JavaScript inside D365 CE. ... Technical Developer – Dynamics 365 Customer Service (JavaScript & CIF, Europe) 📍 100% Remote – EUROPA ... Key Responsibilities Develop and maintain advanced JavaScript customizations in Dynamics 365 CE. ... This is a development-focused position requiring solid expertise in JavaScript within D365 CE, advanced ... Apply Now If you are a Technical Developer in Dynamics 365 Customer Service with strong JavaScript expertise

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.

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

, 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

Experience with HTML, CSS, and JavaScript/TypeScript.

What we're looking for: Experience in JavaScript development Expertise in JavaScript frameworks (Angular

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

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.

experience with Python, Java or .NET, including RESTful and GraphQL API development;Strong proficiency in JavaScript

Hotwire or similar)Any experience with modern JavaScript frameworksThe setup...Fully remote role (EEA-based ... staging environmentsWhat you'll need...5+ years commercial Ruby on Rails experienceStrong HTML, CSS and JavaScript