Junior AI-Driven Backend Engineer

Havas Group; Madrid; Presencial; EUR 26.000 - 34.000; Jornada completa

Descripción de la vacante

Havas Media Group Spain is seeking a Junior Product Engineer to support AI-powered feature development for HAVAS data products. You will work with senior engineers to build, test, and deploy backend services and API integrations.

You will gain hands-on experience with FastAPI/Flask, cloud deployment, and integration of advertising APIs while collaborating with cross-functional teams. Bachelor’s degree in a relevant field and 0-1 years of experience are requested.

Formación

• Bachelor’s degree in Computer Science, Data Science, Engineering, or related field (or equivalent practical experience).
• 0-1 years of professional experience or strong internship/project portfolio.
• Good working knowledge in English.

Responsabilidades

• Support the development of AI-driven features by implementing technical requirements under guidance.
• Build and maintain Python-based applications and APIs using FastAPI or Flask.
• Collaborate with senior engineers and product teams to understand and implement user-facing features.
• Assist with integrating LLM APIs (Gemini, GPT) for audience insights and content generation.
• Help connect external advertising APIs (Meta, Google Ads, TikTok, Amazon Ads).
• Learn and apply prompt engineering techniques to improve AI outputs.
• Deploy services to cloud environments (Google Cloud Run) with support from senior team members.
• Participate in CI/CD processes and learn deployment best practices.
• Monitor application performance and troubleshoot issues.

Conocimientos

Python

APIs

Git

Communication

Problem-solving

Educación

Bachelor's degree in CS/Engineering/Data Science

Herramientas

FastAPI/Flask

Docker

Descripción del empleo

Havas Media Group Spain is seeking a Junior Product Engineer to support AI-powered feature development for HAVAS data products. You will work with senior engineers to build, test, and deploy backend services and API integrations.

You will gain hands-on experience with FastAPI/Flask, cloud deployment, and integration of advertising APIs while collaborating with cross-functional teams. Bachelor’s degree in a relevant field and 0-1 years of experience are requested.