Backend & AI Developer (Junior/Entry-Level)

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

Descripción de la vacante

A dynamic tech startup in Barcelona seeks a Junior Backend & AI Developer to help build their AI-driven email platform. In this role, you will design and maintain backend services, integrate user features, and collaborate with a talented team. Ideal candidates have 1–3 years of experience in backend development and a passion for AI and user-centric design. Flexible hours and competitive compensation provided.

Servicios

Work from Barcelona hub or remotely

Mentorship opportunities

Competitive compensation

Flexible hours

Formación

• 1–3 years of backend development experience, preferably with Node.js or Python.
• Familiarity with Next.js and TypeScript is a plus.
• Strong Python skills are required, along with experience in ML/LLMs.
• Interest in NLP, computer vision, or generative AI is essential.

Responsabilidades

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

Conocimientos

Backend development

Node.js

Python

Next.js

TypeScript

Machine Learning

Natural Language Processing

Descripción del empleo

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).

Role Overview
We’re looking for a junior Backend & AI Developer to help build and scale our core platform. You’ll work with our CEO (AI/Backend specialist) and CTO (Frontend/Design lead) to develop APIs and integrate machine learning models that generate personalised email content.

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 [e-mail]. Explain why you’re excited about AI-powered email solutions.