Senior Data Scientist — Forecasting & Time Series (Cloud)

Tesco Technology; Welwyn Garden City; Hybrid; GBP 85,000 - 110,000; Full time

Benefits offered by this job

Annual bonus up to 20% of base salary

Holiday starting at 25 days plus a per

Private medical insurance

Maternity and adoption leave

Paternity leave

24/7 virtual GP service

Employee Assistance Programme (EAP)

Job summary

Tesco Stores Limited is seeking a Senior Data Scientist to design forecasting and probabilistic models for large-scale retail data. You will prototype solutions using Hadoop, Spark and cloud technologies, with emphasis on rigorous evaluation and scalable deployment.

You will collaborate with engineering, product and business partners to ensure models are reliable, measurable and deliver business value. Proficiency in Python is preferred, with experience in time series forecasting and model

Qualifications

• Mix of statistics, programming and time series forecasting familiarity.
• Strong mathematical and statistical principles are required.
• Experience blending data from multiple sources for forward-looking predictions.
• Experience modelling risk, econometrics or long-range planning is a plus.

Responsibilities

• Designing and improving forecasting and statistical modelling solutions for large-scale retail and business time series.
• Blending data from multiple sources to explain historic behaviour and generate forward-looking predictions and scenarios.
• Building robust training, validation and backtesting pipelines with time-aware evaluation and leakage controls.
• Applying productionisation best practices, including monitoring, retraining strategies and cost considerations.
• Collaborating with engineering, product and business partners to ensure models are reliable and scalable.

Skills

Time series analysis

Forecasting

Statistical modelling

Python

PySpark

Big data

Education

Higher degree in mathematical/scientific/engineering/economics/CS

Tools

Hadoop

Spark

Cloud technologies

Job description

Tesco Stores Limited is seeking a Senior Data Scientist to design forecasting and probabilistic models for large-scale retail data. You will prototype solutions using Hadoop, Spark and cloud technologies, with emphasis on rigorous evaluation and scalable deployment.

You will collaborate with engineering, product and business partners to ensure models are reliable, measurable and deliver business value. Proficiency in Python is preferred, with experience in time series forecasting and model