Senior Data & AI Platform Engineer – Hybrid/Remote

Tesco Technology; Welwyn Garden City; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Annual bonus up to 20%

25 days holiday + personal day

Private medical insurance

Generous parental leave

24/7 virtual GP + EAP

Job summary

Tesco Technology is seeking a core engineer for the data and intelligence layer connecting forecasting outputs to action across Tesco’s systems. You will work across data engineering, ML, and infrastructure, owning problems end to end in a production environment.

The role offers a varied, hands-on path with data APIs, RAG pipelines, and production deployment alongside a focus on scalable, observable systems in a modern cloud-native stack.

Qualifications

• Strong experience with TypeScript and Python in backend data services.
• Experience building or operating data-intensive backend services.
• Some experience with LLM APIs or retrieval systems.

Responsibilities

• Data platform: build high-performance data services behind a typed API and integrate multiple data sources.
• Intelligence layer: expose demand signals, predictions, and recommendations via well-designed APIs.
• LLM integration: design and improve retrieval, tool design, and prompt architecture.

Skills

TypeScript

Python

LLM APIs

Retrieval systems

Kubernetes

CI/CD

Cloud-native

Supply chain domain

Tools

Helm

Kubernetes manifests

CI/CD pipelines

Job description

Tesco Technology is seeking a core engineer for the data and intelligence layer connecting forecasting outputs to action across Tesco’s systems. You will work across data engineering, ML, and infrastructure, owning problems end to end in a production environment.

The role offers a varied, hands-on path with data APIs, RAG pipelines, and production deployment alongside a focus on scalable, observable systems in a modern cloud-native stack.