Backend & AI Developer (Junior / Entry-Level)

Migma.ai; Madrid; Híbrido; EUR 30.000 - 45.000; Jornada completa

Descripción de la vacante

A startup company located in Madrid is seeking a Junior Backend & AI Developer to design and maintain backend services. This role involves working with Node.js and Python, and candidates should have 1-3 years of experience in backend development and a strong interest in AI solutions. The company offers competitive compensation, flexible hours, and the option to work from their Barcelona hub or remotely.

Servicios

Competitive compensation

Flexible hours

Mentorship opportunities

Formación

• 1–3 years of backend development experience.
• Familiarity with Next.js and TypeScript.
• Strong Python skills and experience with ML/LLMs.
• Interest in NLP, computer vision, or generative AI.

Responsabilidades

• Design, build and maintain backend services.
• Integrate user-facing features with server-side logic.
• Implement security, data protection, and scalability.
• Train and fine-tune AI models for email generation.
• Collaborate with designers and researchers.

Conocimientos

Backend development

Node.js

Python

Machine Learning

User-centric design

Herramientas

Next.js

TypeScript

Descripción del empleo

Overview

Backend & AI Developer (Junior / Entry-Level)

About Migma.ai

Migma.ai is on a mission to revolutionise email creation. Our AI-driven platform automatically imports brand guidelines and generates on-brand emails in seconds. We’re a Stockholm / Barcelona startup backed by EWOR and founded by the Lababidi brothers (PaidTabs alumni).

Responsibilities

• Design, build and maintain backend services (Node.js / Python)
• Integrate user-facing features with server-side logic
• Implement security, data protection and scalability
• Train and fine-tune AI models for email generation
• Collaborate with designers and researchers to ship new features

Requirements

• 1–3 years of backend development experience (Node.js, Python or similar)
• Familiarity with Next.js and TypeScript
• Strong Python skills and experience with ML / LLMs
• Interest in NLP, computer vision or generative AI
• Passion for user-centric product design

Benefits

• Work from our Barcelona hub (Cloudworks Sagrada Família) or remotely
• Join a small, experienced team with mentorship opportunities
• Competitive compensation and flexible hours

How to apply

Send your CV / portfolio and a brief intro to Explain why you’re excited about AI-powered email solutions.