Data AI Engineer – AI Search & Chat

Data AI Engineer – AI Search & Chat About the team. The Data, AI, and Innovation team leads data, AI and innovation for […] at group level. These roles build the data and AI foundation of […]'s strategic e-commerce platform, working across personalization, search and customer analytics.

AI-first is mandatory. Every member of the team is expected to use AI in coding and in daily work — AI coding assistants and agents for building, testing and reviewing; AI tools for analysis, writing and research. Candidates must show how they already work this way, and we assess it in the interview.

How we work Small, hands-on squad; everyone ships code or data products to production. Use cases first: we start from a business problem and a metric, then pick the tool. AI-native workflow: AI-assisted coding, review and documentation are the default, not optional.

Strong partnership with business unit commercial, marketing and product teams across the group. Modern stack on GCP (BigQuery, Cloud Run, Vertex AI), Python, SQL, but not strict. Role summary.

You build the AI that helps customers find and buy: semantic product search and a shopping chat assistant on […]'s strategic e-commerce platform. You take models from prototype to production and are measured on relevance, conversion and reliability, not demos.

Build and improve product search: hybrid keyword + vector retrieval, query understanding (Thai/English, typos, synonyms), ranki