Senior Data & AI Platform Engineer (Remote-Friendly)

Tesco; Welwyn Garden City; Hybrid; GBP 80,000 - 120,000; Full time

Job summary

Tesco is seeking a core engineer to join its data and intelligence layer, connecting forecasting outputs to people and systems. The role spans data engineering, applied ML, and developer infrastructure, with ownership of problems end to end.

The work is varied: design data APIs, improve retrieval quality in a RAG pipeline, and collaborate with infrastructure to push services to production. Strong TS and Python skills and familiarity with LLMs or retrieval systems are valued.

Qualifications

• Strong in TypeScript and Python; willingness to learn quickly.
• Built or operated data-intensive backend services.
• Experience with LLM APIs or retrieval systems.
• Kubernetes and cloud-native deployment experience is useful.

Responsibilities

• Design data APIs and data platform components end-to-end.
• Improve retrieval quality in RAG pipelines.
• Collaborate with infra to deploy services into production.
• Own problems when something is broken or missing; work across backend and data systems.

Skills

TypeScript

Python

LLM APIs

Retrieval systems

Kubernetes

Cloud-native

Tools

Kubernetes

Helm

CI/CD

Job description

Tesco is seeking a core engineer to join its data and intelligence layer, connecting forecasting outputs to people and systems. The role spans data engineering, applied ML, and developer infrastructure, with ownership of problems end to end.

The work is varied: design data APIs, improve retrieval quality in a RAG pipeline, and collaborate with infrastructure to push services to production. Strong TS and Python skills and familiarity with LLMs or retrieval systems are valued.