Product Engineer - AI

Agency :

Job Description :

We're looking for a Product Engineer 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.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 audience insights
• 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

Key Competencies

• 1+ years of professional experience
• Fluent in English
• Proficiency in Python (e.g., data cleaning, processing, or basic NLP/ETL tasks)
• Experience with SQL and database knowledge
• Ability to integrate with external REST APIs to fetch and aggregate data
• Hands-on experience with LLM APIs
• Product mindset: focus on shipping working features iteratively
• Ability to work in a multicultural environment and communicate effectively

Nice to have:

• Familiarity with data science concepts (Clustering, Regression, or Statistical analysis)
• Experience with Cloud Service such as Google Cloud Platform
• Experience with AI orchestration and multi-agent systems

#LI-CO1

Contract Type :

Here at Havas across the group we pride ourselves on being committed to offering equal opportunities to all potential employees and have zero tolerance for discrimination. We are an equal opportunity employer and welcome applicants irrespective of age, sex, race, ethnicity, disability and other factors that have no bearing on an individual’s ability to perform their job.