Turning data into decisions through analytics, BI & machine learning.
Data analyst skilled in SQL, Python, Power BI, Tableau, and Excel, holding an Advanced Certification in Data Analytics from IIT Roorkee, in association with Intellipaat, and 18+ self-driven analytics projects across retail, SaaS, marketing, HR, manufacturing, and finance. I build practical analytics solutions that turn data into actionable business insights, using AI tools to accelerate SQL, Python, Excel, and dashboard workflows.
Evidence, not just a skills list.
Selected outcomes from my projects and professional experience.
Practical analytics with business context.
I combine technical execution with clear reporting and business-oriented problem solving.
Comfortable moving from raw data and SQL transformations to analysis, dashboards and reporting.
18+ projects spanning BI, SQL engineering, forecasting, machine learning, statistics and business analysis.
Three production-deployed apps demonstrate that the work goes beyond notebooks and static reports.
Practical work includes churn prediction, demand forecasting, experimentation and recommendation systems.
Uses AI tools for formula building, SQL drafting, Python scripting and visualization workflows while keeping the analytical work grounded in business requirements.
Two targeted resumes for analytics roles.
Use the Data Analyst version for technical analytics roles and the Business Analyst version for requirement, KPI and stakeholder-focused roles.
Nikhil Tandon
Data Analyst · SQL · Python · Power BI · Tableau
Nikhil Tandon
Business Analyst · KPI Reporting · Stakeholder Communication · BI
Analytics professional focused on practical business impact.
I’ve built a focused analytics portfolio through 18+ projects spanning customer analytics, forecasting, churn prediction, SQL engineering, BI dashboards, experimentation and recommendation systems across retail, SaaS, marketing, HR, manufacturing, and finance.
My toolkit combines Python, SQL, Excel, Power BI, Tableau and R with practical business-analysis skills such as requirement gathering, stakeholder communication, KPI reporting and cross-functional collaboration.
From commerce to analytics.
Advanced Certification in Data Analytics
Intellipaat, in association with IIT Roorkee — focused on Data Analytics, SQL, Python and Power BI.
Analytics Portfolio & Applied Projects
18+ self-driven projects across BI dashboards, SQL engineering, forecasting, machine learning, statistics and deployed applications.
Bachelor of Commerce (Honours)
Amity University, Noida.
Finance & Marketing Analytics Intern
Ads Klick Media — analytics, reporting, KPI dashboards and stakeholder-facing insights.
Education & structured analytics learning.
Academic foundation plus formal analytics training completed through 2024–2026.
Bachelor of Commerce (Honours)
Commerce foundation supporting finance, business and analytical problem-solving work.
Google Data Analytics Professional Certificate
Structured analytics learning across the data-analysis lifecycle, visualisation and business communication.
Data Analytics Certification Program
Advanced analytics training spanning Data Analytics, SQL, Python and Power BI.
Selected work and practical outcomes.
A focused selection of projects that demonstrates BI, retail analytics, operations analysis and statistical problem-solving.
Superstore Sales Performance Dashboard
Executive-style sales analysis covering revenue, profit margin, orders, customers, category performance and regional trends.
Daikibo Manufacturing Downtime
Operations dashboard identifying high-downtime factories and failure-prone equipment to support maintenance prioritisation.
Quantium Customer Segmentation
Customer segmentation analysis examining purchasing behaviour, customer types and sales patterns.
Quantium Store Trial Analysis
Control-store selection and trial analysis comparing customer and sales performance to evaluate trial effectiveness.
Explore the wider portfolio.
Filter the work by the capability a recruiter wants to see.
Budget vs Actual Financial Planning Model
Excel FP&A model using dynamic SUMIFS and XLOOKUP formulas for monthly and YTD variance analysis across Base, Upside and Downside scenarios.
Customer Cohort & Retention Analysis
Built SaaS cohort retention analysis with SQL CTEs, joins and window functions, then surfaced retention curves and channel/plan performance in Power BI.
HR Workforce & Attrition Analytics
Analysed 1,470 employees and a 16.7% attrition rate across department, role, tenure, salary and overtime segments using SQL and Power BI.
Marketing Funnel & Campaign ROI Analysis
End-to-end funnel analysis across Impressions → Clicks → Leads → Customers, with CAC/ROAS/ROI analysis and a 15% budget-reallocation scenario.
Messy Data Cleaning & Data Quality Case Study
Profiled a 20,000-row retail intake, documented transparent cleaning rules, validated the result and produced a trusted analytical dataset with Excel, SQL and Python.
Operations & Supply Chain Performance Analytics
Analysed 4,000 orders for on-time delivery, fulfilment, returns, stockouts, supplier performance and regional bottlenecks using SQL, Power BI and Excel.
Retail RFM Customer Segmentation
Production Streamlit app that calculates RFM metrics and segments uploaded customer data into VIP Champions, Core Loyalists, Regular Shoppers and At-Risk tiers.
Formula 1 Race Predictor
Random Forest prediction pipeline with temporal train/test split and pre-race features including grid position, season points, career wins and circuit.
FIFA World Cup Match Predictor
Historical tournament data, engineered predictive features and interactive win-probability simulations served through Streamlit.
SaaS Customer Churn Analytics Platform
Gradient Boosting churn model across 2,500+ records using a SQL cohort layer, CTEs, window functions and SMOTE, paired with a Chart.js risk dashboard.
Superstore Sales Performance Dashboard
Interactive KPI dashboard tracking sales, profit, margin, orders, customers, categories, regions and business growth opportunities.
Retail Monthly Sales Forecasting Engine
ADF-validated, seasonally-differenced time series benchmark comparing SARIMAX and Facebook Prophet for monthly demand forecasting.
Chinook Data Engineering Pipeline
Transaction-safe database layer with relational constraints, TRY/CATCH handling, optimised views and rollback-controlled invoice ingestion procedures.
Chinook Revenue Intelligence
Advanced revenue analysis using ranking and percentile logic to surface top-value customers, artists, genres and invoice behaviour.
Website Conversion A/B Testing
Validated a Design B rollout at alpha 0.05 using a two-sample t-test for session duration and chi-square testing for conversion rate.
Netflix Movie Recommendation System
Collaborative-filtering recommendation engine using SVD matrix factorisation to generate personalised top-10 movie recommendations.
Quantium Retail Analytics
Customer segmentation plus trial-store analysis covering control selection, correlation, sales uplift, customer uplift and trial effectiveness.
Daikibo Manufacturing Downtime
Dashboard identifying high-downtime factories and failure-prone equipment to prioritise maintenance and operational improvement.
Customer Campaign Analytics
Relational campaign analysis connecting customer demographics and campaign interactions to conversion outcomes and marketing effectiveness.
Titanic Survival Analysis
End-to-end EDA, data cleaning, feature engineering and Random Forest modelling to understand the factors associated with passenger survival.
Central Limit Theorem Simulation
Python simulation demonstrating how the distribution of sample means approaches normality as sample size increases.
Sales Performance Dashboard & Data Analysis
Advanced Excel dashboard analysing revenue, orders, average order value, categories, regions and sales trends for actionable business insights.
A toolkit built around analytics work.
Grouped directly around the capabilities represented in the current resume.
Languages & Querying
Programming, analysis and relational querying.
BI & Visualization
Dashboarding, KPI reporting and data storytelling.
Data Engineering
Reliable analytical layers from raw and relational data.
ML & Statistics
Models and methods connected to analytical questions.
Business Analysis
Turning analytical work into stakeholder-ready outputs.
Tools & AI-Augmented Workflow
Development environments and AI-assisted repetitive analytics tasks.
Industry experience.
Finance & Marketing Analytics Intern
- Collaborated with cross-functional finance and marketing stakeholders, surfacing channel-level performance insights via Google Analytics and Excel that drove +20% reach and +25% engagement, informing weekly budget decisions.
- Gathered reporting requirements from stakeholders and created automated pivot-table KPI dashboards and reusable templates, eliminating repetitive manual reporting.
Certifications & professional learning.
Selected credentials and applied learning relevant to analytics, BI and business problem-solving.
Advanced Certification in Data Analytics
Certificate of Completion issued 31-Aug-2026 · Certificate ID: IPTIH26080309.
Google Data Analytics Professional Certificate
Structured training in the analytics lifecycle, from data preparation and analysis to visualisation and business communication.
Microsoft Excel Certification
Supports the portfolio’s spreadsheet analysis, Pivot Table and VLOOKUP work.
Data Analytics Job Simulations
Practical simulations covering business analytics and AI-enabled problem-solving in realistic work scenarios.
Open to the right analytics opportunity.
I’m interested in entry-level Data Analyst, Business Analyst and BI Analyst opportunities where I can contribute through data, reporting, dashboards and decision support.