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Fullstack Developer

Madrid, Comunidad de Madrid, es💼 Full-time🗓 2018-08-13 → 2026-07-31

Core

Design, develop, and maintain full-stack web applications, APIs, and server-side logic to support multimedia marketing automation products.

Role type

Fullstack Developer (Server-side focus)

Builds

Web applications, REST APIs, central MongoDB database, developer platform tools

Domain

Marketing automation / Multimedia personalization

Deliverable

production ML models | product features | infrastructure

Required skills

JavaScript, C, C++, Node.js, MongoDB, Git, Linux, asynchronous programming, server-side templating, server-side CSS preprocessors, HTML5, CSS3, database schema design, automated testing, user authentication/authorization, third-party API integration, scalable architecture design, cross-platform optimization

Preferred skills

Product ownership mindset, leadership skills, ability to learn new technologies

Technologies

MongoDB, Node.js, Git, Linux, REST

Responsibilities

Integrate user-facing elements with server-side logic; write reusable, testable, and efficient code; design and implement low-latency, high-availability applications; implement security and data protection; integrate data storage solutions and third-party media APIs; create database schemas supporting business processes; implement automated testing platforms.

Seniority

Mid-level, hands-on IC with leadership potential

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