AYUSH KUMAR SAHU
DATA ANALYST
Transforming complex datasets into actionable insights with SQL, Python, and advanced analytics.
Currently pursuing MSc in Big Data Science at Queen Mary University of London.
About Me
London-based Data Analyst focused on transforming marketing, product, and content telemetry into clear, measurable decisions. Comfortable across SQL/Python analytics, visualization (Tableau/Power BI), GA4 + BigQuery funnels, and time-series forecasting.
Education
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MSc, Big Data Science
Queen Mary University of London, UK
Sep 2024 – Sep 2025
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BTech, Electronics & Communication Engineering
SRM Institute of Technology, Chennai, India
May 2019 – Dec 2023
Skills & Expertise
SQL
Joins, CTEs, subqueries, window functions; Data quality checks; Query tuning basics
Visualization
Tableau (dashboards, calculated fields, filters), Power BI; Matplotlib, Seaborn
Python
Pandas, NumPy, data wrangling, EDA; scikit-learn (metrics, model evaluation)
Statistics
Descriptive stats, hypothesis testing, confidence intervals, A/B testing basics
Excel
PivotTables, XLOOKUP/LOOKUP, Power Query, data validation, cleaning
Cloud & Warehousing
AWS (S3, Athena), GCP (BigQuery, Looker/Looker Studio), Azure (Data Factory); ETL/ELT, data lakes
Workflow
Version control (Git), reproducible notebooks (Jupyter/Colab), documentation
Projects
Marketing Mix Modeling
Bayesian MMM with adstock & saturation modeling for budget optimization
Experimentation Framework
Standardized A/B testing with CUPED variance reduction
YouTube Forecasting
28-day watch-time forecasts with seasonality effects
Experience
Data Science Intern
Corizo | Sep 2023 - Jan 2024
- Python/Pandas EDA across datasets; SQL joins/windows for reporting tables
- Refreshed Tableau KPI dashboards; reusable weekly data-quality checks
Data Science Consultant Intern
Rubixe | Apr 2023 - Aug 2023
- Sales/marketing reporting in Power BI/Tableau; standardized stakeholder metrics
- Funnel insights informing campaign reallocation decisions
Programming & Cloud Intern
Prodevans | Jan 2022 - Jul 2022
- AWS (S3, Athena, Lambda) ETL scripts for automated reporting
- Built monitoring alerts for pipeline failures overnight
Data Analyst Intern
Wizzo Infotech | Jul 2021 - Dec 2021
- Excel/Python data cleaning and operational dashboards
- Standardized templates improving weekly leadership visibility reports
Certifications
Google Data Analytics
Coursera
SQL Associate
DataCamp
Data Engineering with Azure
Grow Data Skills
Data Science with ML & AI
upGrad
Data Science with ML
Coding Ninjas
Python Foundation
Career Labs
Google Cloud Fundamentals
Coursera
Data Science & ML with R
Udemy