Turning Data into
Actionable Insights
Data Analyst | SQL • Python • Tableau
3+ years of experience delivering actionable insights in SaaS and data-driven environments. Expert in translating complex data into business intelligence that drives strategic decisions.
About Me
I'm a Data Analyst based in Dublin, Ireland, with a Master's in Data Analytics from National College of Ireland. I specialise in transforming raw data into compelling stories that drive business decisions.
My expertise spans across the entire data pipeline — from extraction and transformation to visualisation and predictive modelling. I've improved reporting efficiency by 25% and built executive dashboards tracking critical SaaS KPIs.
Education & Certifications
Masters in Data Analytics
National College Of Ireland • Grade 2:1 • 2025–2026
Bachelor of Computer Applications
Maharaja Agrasen Himalayan Garhwal University • Grade 2:1
IBM IBM Certifications
Work Experience
Professional journey in data analytics
Data Analyst
Technohunk Info Solutions
UP, India → Dublin, Ireland
- ▸Led analysis of large-scale product and financial datasets using SQL and Python, improving reporting efficiency by 25%
- ▸Designed executive-level Tableau dashboards tracking SaaS KPIs (ARR, churn, retention, feature adoption)
- ▸Built scalable analytics-ready datasets using SQL and dbt, reducing manual data preparation time by 20%
- ▸Partnered with product, finance, and operations stakeholders to define KPIs and translate data into actionable insights
- ▸Managed analytics workflows in Agile environments using Jira; documented in Confluence
Data Analyst Intern
Technohunk Info Solutions
- ▸Assisted in data cleaning, transformation, and validation of raw datasets using SQL and Excel
- ▸Conducted preliminary exploratory data analysis to identify trends and anomalies
- ▸Developed basic reports and dashboards in Tableau to track key business metrics
What I Do
Core services I deliver as a Data Analyst
Data Analysis & EDA
Deep-dive exploratory analysis on large datasets to uncover patterns, trends, and outliers that drive business understanding. From raw CSV to boardroom insight.
SQL & Database Design
Complex query writing, data modelling, performance optimisation, and scalable analytics-ready pipelines using PostgreSQL, MySQL, and dbt.
Dashboard & Visualisation
Executive-ready interactive dashboards in Tableau, Power BI, and Cognos that turn complex data into clear narratives for non-technical stakeholders.
Machine Learning
End-to-end ML pipelines using XGBoost, Random Forest, and deep learning. Feature engineering, model evaluation, SHAP interpretability, and deployment.
Business Intelligence
KPI design, SaaS metric tracking (ARR, churn, retention), and reporting frameworks that align data outputs with strategic business goals.
Causal & Statistical Analysis
Going beyond correlation — applying SDID, SHAP, LIME, and causal inference methods to validate true relationships and support evidence-based decisions.
Featured Projects
Real-world data analytics case studies — click any card to explore in depth
View all repositories on GitHubDiabetes Readmission Prediction
Logistic Regression & ML pipeline on 101,763 hospital records to predict high-risk patient readmissions. Academic research at NCI.
E-Commerce Sales Analytics
RFM clustering + Random Forest on 541,909 UCI transactions. R²=0.98, CRISP-DM methodology, customer segmentation.
HR Dashboard Analytics
Tableau dashboard revealing 16.12% attrition rate across 1,470 employees. Sales dept = 56% of total turnover. Embedded live.
Football Match Prediction
XGBoost on 18,894 matches across 10 European leagues. SHAP + LIME interpretability. 150+ engineered features.
Causality in Video Recommendations
SDID causal validation on KuaiRand-1K (3.13M interactions). 54.2% precision gain over standard DiD. NCI MSc research.
Road Collisions Analysis
XGBoost & Random Forest on 104,258 UK collision records. Speed limit top predictor. CRISP-DM. SMOTE balancing.
EV Adoption Impact Analysis
EPA + DOE data pipeline using MongoDB & PostgreSQL. King County: 200k+ EV registrations. AQI vs. adoption correlation.
Mining Logistics Simulation
Discrete event simulation using SimPy. 94% throughput prediction accuracy. Fleet sizing optimisation via what-if analysis.
Multimodal Emotion Recognition
ResNet-50 + BERT fusion for 7-class emotion classification from images and text. SMOTE for class imbalance handling.
HR Analytics Dashboard
Explore the live Tableau dashboard analysing attrition patterns across 1,470 employees. Interact with filters, drill down by department, and see real workforce insights.
Technical Skills
Tools and technologies I work with
Business Intelligence
Programming
Python Libraries
Databases
ETL & Cloud
Tools
Methodologies
Soft Skills
Data Insights
Thoughts on data analytics, machine learning, and business intelligence
April 2025 · 6 min read
Why XGBoost Outperforms Deep Learning on Tabular Data
A breakdown of why gradient boosting consistently beats neural networks on structured tabular datasets — and what the evidence from football match prediction and causal ML reveals about choosing the right model for the job.
Vishal Chaudhary
Coming Soon
March 2025 · 8 min read
From Raw SQL to Executive Dashboard: A Data Analyst's Pipeline
The full journey from messy data to a polished executive dashboard — covering SQL modelling, dbt transformations, Python cleaning, and Tableau visualisation. With real examples from SaaS KPI tracking.
Vishal Chaudhary
Coming Soon
February 2025 · 7 min read
When Correlation Lies: Lessons from Causal ML in Recommendation Systems
How standard ML models in video platforms confuse correlation with causation — and why Synthetic Difference-in-Differences (SDID) delivered 54.2% better causal precision than traditional methods.
Vishal Chaudhary
Coming Soon
Let's Connect
I'm actively seeking data analytics roles in Dublin and open to remote opportunities. Whether it's a full-time role, contract, or collaboration — let's talk.
Typically responds within 24 hours.