SAI VIGNESH Y.B

Open to

Hyderabad · Bangalore · Mumbai

Work style

onsite

Contact details — on requestProof of Work — on request

Experience

Data Analyst

Google (via Indium Software) · Sep 2025 – Jun 2026

Not yet confirmed

Converted semi-structured worker-generated data from ULabel and Data Compute platforms into structured tabular formats via Python pipelines stored in Google Sheets, processing thousands of annotation records per cycle.
Built consensus reports and automated validation scripts that cut manual QA effort and raised annotation consistency across multi-annotator workflows.
Reviewed 100+ prompt outputs per sprint through LLM quality checks, generating AI-based video and image outputs for benchmarking and contributing to measurable gains in model performance scores.
Maintained quality benchmarking frameworks that tracked model output accuracy across iterative prompt versions, supporting continuous model improvement cycles.

Data Analyst

Uber (via Indium Software) · Aug 2024 – Aug 2025

Not yet confirmed

Designed and executed SQL-based impact analysis for 160+ payment incidents across Collections, Platform, and Disbursements, reporting KPIs such as affected users, transaction impact, Gross Bookings, DNS, and estimated financial loss.
Built and optimized Query Builder workflows to investigate payment failures across global PSPs (Stripe, Adyen, Braintree, PayU, DLocal, Amazon Pay, Apple Pay, Razorpay, etc.), reducing incident analysis time and enabling faster stakeholder updates.
Developed incident categorization frameworks using dimensions including PSP, error class, auth type, country, token type, and payment method, accelerating root cause identification and improving cross-functional incident resolution.
Managed end-to-end payment incident reporting by analyzing large-scale payment datasets, validating financial impact, documenting findings, and collaborating with engineering and operations teams to support critical production incidents across 22+ global markets.

Data Analysis Intern

ThinkMates · May 2024 – Jul 2024

Not yet confirmed

Executed data analysis for Rucha MedTech, contributing to a 61% increase in sales and revenue growth from INR 1.8 Cr to INR 2.9 Cr in 2 consecutive quarters.
Built and deployed 2 Power BI dashboards covering sales overview and performance metrics, giving leadership real-time visibility into key sales KPIs.
Owned all 3 project phases (data cleaning, analysis, insight delivery), maintaining 100% data accuracy and meeting all delivery deadlines.

Skills 0 proven through work

Also works with

Data StorytellingInformation AccessibilityData VisualizationBusiness Value RealizationData-Driven RecommendationsExploratory Data Analysis (EDA)Business IntelligenceKPI AnalysisBusiness AcumenDashboard UI DesignModular SQL Query DevelopmentBefore-and-After Impact MeasurementTechnical TroubleshootingQuery WritingImpact AnalysisContext MatchingLarge Language Model ConceptsAI Workflow AutomationGoogle Apps Script DevelopmentMicrosoft ExcelData HandlingPython DevelopmentTask AutomationWork Output ConsolidationData Transformation

Proof of Work

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Education

B.Tech, Data Science

VNR VJIET · 2021 — 2025

Intermediate, MPC

Narayana College · 2019 — 2021

Links

linkedin.com/in/y-b-sai-vignesh-2078a0280

Contact details

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