Data scientist, forecasting and experiments — Elena O'Connor, Data scientist, forecasting and experiments

What I doLanguagesLibrariesTools

Data scientist, forecasting and experiments · Manchester, UK

I build forecasting models and run experiments for retail and logistics teams, then make sure the numbers reach the people who decide.

Currently

Brightcart

Senior Data Scientist

Since 2021 · 8 years in total

Say hello

seed-068+clerk_test@example.com

Work

02
2021 — now

Brightcart

Senior Data Scientist

Own demand forecasting for 1,200 products across 40 stores.

  • Forecast error down 18% against the previous model.
  • Introduced a weekly experiment review.
2018 — 2021

Fieldwork Analytics

Data Analyst

Dashboards, ad-hoc analysis and A/B tests for retail clients.

Selected work

03
01

Demand forecasting

Gradient-boosted model with holiday and promotion effects. Cut stock-outs by 12% in the pilot stores.

Python, LightGBM

02

Price elasticity study

Hierarchical Bayesian model of price sensitivity by category.

Stan, R

03

Churn dashboard

A weekly churn report the support team opens every Monday.

SQL, Tableau

Skills

Languages

PythonSQLR

Libraries

pandasscikit-learnProphetPyTorch

Tools

TableaudbtAirflow

Background

Education

  • University of Manchester — MSc, Statistics2016 — 2018

Certifications

  • TensorFlow Developer Certificate — Google2022

Languages

  • Englishnative