675 javascript English-speaking jobs in Portugal

  • Cognizant Technology Solutions
  • Lisbon
  • 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
  • Syffer
  • Lisbon
  • May 15
Javascript Developer will contribute to the design and integration of AI-powered features and services. Collaborate with teams to translate AI use cases into software solutions. Build and integrate APIs and third-party services.
  • 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.
  • Cognizant
  • Portugal
  • April 30
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
  • Neotalent Conclusion
  • Lisbon
  • May 17
JavaScript/TypeScript Developer will collaborate with engineering and product teams on a large-scale product with a focus on AI.
  • Devoteam Portugal
  • Porto
  • May 11
LogoQualifications Bachelor’s degree in the IT area or equivalent; Highly proficient with the JavaScript ... code; Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest, Mocha ... libraries; Optimizing applications for high performance; Keeping up with the latest developments in the JavaScript ... rendering and its benefits and use cases; Ability to write efficient, secure, well-documented, and clean JavaScript
  • bridge351
  • Portugal
  • May 6
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
  • 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.
  • Evolution Gaming Limited
  • Lisbon
  • April 30
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
  • 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
  • Tether.io
  • Lisbon
  • April 29
. +6 years of experience working with Nodejs/JavaScript.
  • Trinetix
  • Portugal
  • May 1
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
  • Standout Tech
  • Lisbon
  • April 16
testing.ResponsibilitiesDesign, implement, and maintain automated test frameworksDevelop test scripts using JavaScript ... improvementRequirementsSolid experience with automated testing frameworks and toolsStrong knowledge of JavaScript
  • InnoTech
  • Portugal
  • May 3
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.
  • Ibrowse
  • Portugal
  • May 13
Stripe.Technical Skills- Programming Languages: Apex (Salesforce proprietary language for backend logic), JavaScript
  • Jscrambler
  • Portugal
  • May 16
As leaders in Client-Side Protection and Compliance, we have pioneered the integration of advanced JavaScript
  • We Are META
  • Portugal
  • May 8
Frontend Platform Developer (Angular) Lisbon / Remote English, HTML, CSS, JavaScript, Angular 2+, TypeScript ... browser troubleshooting and debugging practices and techniques;Strong understanding of HTML, CSS and JavaScript
  • Crossover
  • Lisbon
  • May 15
You'll break down complex projects into daily tasks, deliver production-ready Python or JavaScript, and
  • mgm Germany
  • Porto
  • May 3
and TypescriptDevelopment for various devices and operating systemsWhat you should bringHTML, CSS, JavaScript
  • 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
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