We're looking for a Integral Product Engineer AI to build and ship AI-powered features for HAVAS data products. You'll combine strong backend engineering with product thinking - building scalable applications, integrating LLM and advertising APIs, and deploying services to production. Working with product managers and data teams, you'll deliver features for Converged Activate and Match.AI that enable campaign automation and insights for global brands.
Product Engineering
- Translate product requirements into technical solutions for AI-driven features
- Build and deploy Python-based applications and APIs using FastAPI or Flask
- Collaborate with product teams to design user-centric workflows powered by AI
AI & API Integration
- Integrate LLM APIs (Gemini via Vertex AI, GPT via Azure OpenAI) for use cases like audience generation, creative insights, and campaign optimization
- Connect external advertising APIs (Meta, Google Ads, TikTok, Amazon Ads) to enable campaign automation
- Implement prompt engineering and response parsing for reliable AI behaviours
Cloud Deployment
- Deploy and maintain services in Google Cloud Run or similar environments
- Implement CI/CD pipelines for application releases with best practices for security and performance
Collaboration
- Work cross-functionally with product managers, designers, and data scientists
- Communicate technical concepts clearly to non‑technical stakeholders
Previous Experience
- 4+ years of professional experience
Language Skills
- Fluent in English
Key Competencies
- Strong Python development skills (FastAPI, Flask, pandas)
- Experience building and deploying production web services
- Hands‑on experience with LLM APIs (OpenAI, Anthropic, Google, etc.)
- Understanding of RESTful API design and third‑party integrations
- Experience building and deploying web services to cloud environments (Cloud Run or similar)
- Solid understanding of data structures, algorithms, and so
📌 AI Product Engineer (Madrid)
🏢 Havas Media Network España
📍 Madrid
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