Arjun Mehta
Professional profile
Data Scientist with an illustrative 11-year career focused on experimentation, forecasting and interpretable decision support. Core strengths include Python, SQL and Statistical modelling. Selected examples describe the challenge, contribution and handover materials.
Professional experience
Data Scientist
Delivered defined workstreams in experimentation, forecasting and interpretable decision support, coordinating reviewers and delivery partners.
- Defined comparable cohorts, checked missingness and separated observed associations from causal claims.
- Compared seasonal baselines with feature-based forecasts using time-ordered validation.
Data Scientist
Developed hands-on experience across experimentation, forecasting and interpretable decision support, with a defined review process.
- Used Python and experiment design on assigned work; recorded decisions so colleagues could understand the approach.
- Prepared handover materials and incorporated specialist feedback before closing the workstream.
Junior Data Specialist
Built foundations through supported assignments, observation and practical feedback.
- Assisted with SQL and data visualisation, checking work with an experienced reviewer.
- Kept organised work records and developed clear handover habits through supervised practice.