236 javascript English-speaking jobs in Barcelona

As a Software Engineer at Wizeline, you will advocate for the use of cutting-edge technology to build intelligent and scalable products. You will act as a technology partner for our clients from inception to completion while architecting reusable front-end systems.

multi-tier architecture. 7 years' experience frontend/web development , including Angular , JavaScript

Expertise in frontend architecture (React, ReScript, JavaScript). ... Tech Stack Frontend: ReScript or JavaScript (React) Backend: Elixir, GraphQL Infrastructure: Docker,

Strong programming skills in C, Ruby, or JavaScript. ... What you’ll do: Develop, maintain, and optimize applications using C, Ruby, or JavaScript.

Scripting Expertise: Strong experience in scripting languages such as Ansible JavaScript PowerShell ... Development: Develop and maintain automation scripts using Ansible and other scripting languages (JavaScript

complex query optimization and database design. · Proficiency working with most of the following - o JavaScript ... responsible for full-cycle design and development, working across multiple tech stacks including Java, C#, JavaScript

Skills in PHP and Typescript/JavaScript.

Job Category: R&D Requisition Number: SENIO001012 Posted: March 13, 2025 Employment Type: Full-Time Location: Remote Salary: €51,600 EUR per year Locations Showing 1 location Remote, Remote, SRB Remote, Remote, GRC Remote, Remote, ROU Vilnius, LT03128, LTU Remote, Remote, ESP About the Role We are developing WP Toolkit, a feature-rich solution for managing sites built with WordPress that allows

framework Deep understanding of front end technologies, such as JavaScript, HTML, and CSS Unit test ... experience building scalable and reliable web applications Experience with React or another comparable JavaScript

Outstanding skills in C++ and Javascript (also know C++17 features and newer standards).

Minimum Requirements: Node/JavaScript Expertise: Very proficient in Node.js and JavaScript programming

Programming and Data Management: Experience with Python, LUA, SQL, JavaScript, MongoDB, and ETL pipelines

Proficiency in programming languages such as C#, .NET, JavaScript.

You’ll need a versatile skill set across front-end, back-end, and scripting technologies like Java, JavaScript

framework, JavaScript in general, HTML, CSS/SCSS, and web development in general. ... too much to a single library/framework but rather have a broad and deep understanding of any reactive JavaScript

queuing systems like RabbitMQ or Kafka; Knowledge of NoSQL databases (e.g., MongoDB); Knowledge of modern JavaScript ... PostgreSQL); Extensive experience working with APIs; Understanding of front-end technologies (HTML5, CSS3, JavaScript

Solid JavaScript expertise: asynchronous programming (AJAX, promises, lazy loading, events, etc.), ES6 ... Strong front-end code optimization and coding best practices acumen, especially advanced Javascript techniques

of HTML5, CSS, and JavaScript (ES6+), with experience in building complex user interfaces Experience ... Qualifications 5+ years of experience as a JavaScript developer, with a strong focus on React Solid knowledge

Hands-on experience developing applications using front-end JavaScript frameworks such as React, Angular ... portal themes Hands-on web development experience with front-end technologies including HTML, CSS, and JavaScript

maintain web-based applications, primarily using Ruby on Rails (experience with other languages like JavaScript