Suma Nadakkannu

Suma Nadakkannu

Data Analyst → Data Scientist Available for Roles

Turning messy data into decisions that actually move numbers.

I build end-to-end data systems — from fraud detection pipelines to forecasting models — across fintech, e-commerce, and loyalty domains. I work at the intersection of analytics, ML, and business strategy.

Fraud detection obsessiveSQL query hoarder (2000+)Feature store architectNLP on messy survey dataA/B testing evangelistReward strategy redesignerRevenue leakage hunterPixel game developer, apparently
Bengaluru, KA, IND
Analytics principles

My multi-disciplinary
analytical process

First principles thinking

  • Breaking problems into their most basic form
  • Starting with the 'why' – down to the root cause
  • Building models using only fundamental truths

Exploratory Data Analysis

Feature Engineering

Data Storytelling

I'm a 360° Data Analyst

Here's my analytical work spanning across different critical business domains. Hover to get a peek. Detailed previews coming soon.

Fraud Detection

Rules & Anomalies

Growth & UI

Retention Analytics

Product Analytics

Checkout & A/B

Business Intel

Reporting Automation

A quick career summary

I've worked across industries — e-commerce, transportation, and fintech.

2025
2024
2023
2022

Data Analyst II

Poptech GrowthFeb 2024 – Present
  • Built a behavioral UPI fraud detection system using transaction velocity, payee diversity, error-code patterns, and amount clustering — reduced fraud-related losses by 95%
  • Applied NLP on NPS survey data to surface customer pain points; findings directly drove Tier-3 brand delisting and Tier-1 onboarding, plus a weighted SLA model that improved brand processing SLA by 12%
  • Engineered a customer feature store with 100+ behavioral and transactional features across UPI, e-commerce, credit card, and loyalty datasets — supporting ML pipelines and cutting query costs via optimized data modeling
  • Built a Contribution Margin forecasting model integrating pricing, coin burn, logistics, and partner costs — reduced financial reporting lag by 1.5 months and enabled proactive unit-economics decisions
  • Redesigned reward issuance strategy from blanket to revenue-linked allocation — reduced issuance by 84% MoM while maintaining the same redemption cost
  • Partnered across business, product, backend, and data engineering to audit pipelines, surface data flaws, and flag unreported revenue leakage

Data Analyst I

Poptech GrowthJun 2023 – Feb 2024
  • Owned full-funnel attribution and cohort analysis for the Razorpay × POP checkout integration — reduced CAC from ₹40 to ₹10
  • Led credit card funnel analytics: diagnosed drop-offs, resolved data source vs. reporting lags, ran CIBIL-reject maturity scrubs for retargeting
  • Built a centralized SQL repository of 2000+ reusable queries and 40+ automated dashboards — migrated company to Metabase, cutting infra costs by 30% and enabling self-serve KPI tracking
  • Ran A/B tests on D2C website floater designs — drove a 20% increase in signup conversion rate

Data Analyst Intern

RapidoJun 2023 – Nov 2023
  • Optimized SQL pipelines and built dashboards for the Bike Lite experiment
  • Conducted RCA on RPR, RPH, and retention metrics across Bangalore and Hyderabad — generated insights that improved city-level operational strategy

Toolkit & Methods

Languages & Querying

PythonSQLPySpark

Platforms & Data Infra

DatabricksELT PipelinesMaterialized ViewsQuery Optimization

Visualization & BI

TableauPower BIMetabaseExcelGoogle Sheets

Analytics Methods

A/B TestingFunnel & Cohort AnalysisNLPAnomaly DetectionFraud ModelingRCAEDAFeature Engineering

Case Studies & Projects

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Let’s connect

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Data built with explicitly for impact
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