Global AI Product Engineer

Agency :

Havas Media Group Spain

Job Description :

We're looking for a Global 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..

We're looking for a Global 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.

Main Responsibilities

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 software engineering principles

Comfortable with Git, Docker, and cloud deployment workflows

Product mindset: focus on shipping working features iteratively

Ability to work in a multicultural environment and communicate effectively

Nice to have:

Experience with AI orchestration frameworks (LangGraph, CrewAI, Google ADK)

Exposure to multi-agent systems and agentic workflows

Familiarity with advertising ecosystem, CDPs, and campaign performance data

Experience with Google Cloud Platform (Cloud Run, Vertex AI)

Knowledge of RAG patterns, embeddings, or vector databases

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Contract Type :

Permanent