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Sarthak.

SarthakTadwalkar

I translate complex business challenges into data-driven strategies that drive measurable value. With expertise in predictive analytics, process optimization, and financial modeling, I have delivered over ₹3M in identified cost savings and revenue opportunities across engagements in the automotive, financial services, and corporate sectors.

60%
87%
4
6

Bachelor of Technology in Artificial Intelligence and Data Science

K J Somaiya Institute of Technology · 2022 - 2026

Why You Should Hire Me

I approach data engineering with both an engineer's precision and a consultant's perspective— building scalable data solutions that align technical execution with business objectives.

Impact-Driven Analytics

I work with large, complex datasets to solve real business problems. Whether it's improving forecast accuracy to 87% or identifying over ₹2.5M in potential savings and revenue opportunities, I focus on delivering analytics that create measurable value.

Enterprise Strategy & Execution

I build data solutions that connect technical work with business goals. From analyzing 77,000+ customer interactions to evaluating 1,400+ workforce records, I have developed executive dashboards with up to 93% accuracy to help stakeholders make confident, data-driven decisions.

Advanced Intelligence & Automation

I focus on applying AI where it delivers measurable business value. By developing custom LLM pipelines and secure RAG systems, I have helped reduce research time by up to 87%, enabling faster decisions and an estimated ₹400K in annual cost savings

The Story

For me, Data is a tool for solving business problems - not just creating reports. I like to start by asking the right questions: Why are customers leaving? Where are we losing money? How can we scale more efficiently? Once the problem is clear, I build solutions that people actually use, whether that's predictive models, automated workflows, or AI-powered applications.

In my Experience, my work has uncovered over ₹3M in cost savings and revenue opportunities and also reducing operational effort by 60% through automation. I enjoy connecting the technical side of analytics with the business side of decision-making, helping teams turn data into meaningful action.

LLM IntegrationRAG/CAG SystemsPredictive AnalyticsModel TrainingA/B Testing
Scikit-learnPandas & NumPyMatplotlibStatistical AnalysisFeature EngineeringEDA
PythonSQL (MySQL, PostgreSQL)RAWSGit & GitHubJupyter Notebooks
Power BI & TableauData ModelingETL ProcessesExecutive DashboardingData StorytellingInteractive AnalysisReal-time MonitoringExcel

Transforming complex datasets into actionable executive insights, interactive models, and automated reporting pipelines.

KPI DefinitionClient CommunicationRequirements Gathering

Work History

Demonstrating a foundation of professional data analytics, change management, and strategic cross-functional leadership.

InternshipFeb 2025 – May 2025Mumbai, India

Data Science & Analytics Intern

Raasta Consulting

60%Reduced Turnaround Time
  • Analyzed 100K+ production-grade dataset through EDA and visualization to support business decision-making, and extracted actionable insights from complex data.
  • Reduced business analysis turnaround time by 60% through workflow and reporting automation using Cache-Augmented-Generation (CAG) solution within 45 days.
  • Partnered with teams to define KPIs and deliver intelligence dashboards to support strategic decision-making.
Scikit-learnpandas & numpymatplotlibstatistical analysisExploratory Data AnalysisCAG SystemRequirements GatheringLLM IntegrationModel TrainingData ModelingAdvanced Excel
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VolunteeringDec 2022 – Aug 2024Mumbai, India

Design Expert

Google Developer Student Clubs KJSIT

Recommended
  • Collaborated with the Google Developer Student Club as a Design Expert, creating visuals that supported events, workshops, and community engagement.
  • Recognized by the GDSC Campus Lead for my contributions, earning a recommendation for consistently delivering high-quality work and supporting club initiatives.
Real-time MonitoringRequirements GatheringsClient Communication
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VolunteeringJul 2024 – May 2025Mumbai, India

Digital Media Manager

ISTE-KJSIT

10moStrategic Tenure
  • Managed the organizations social media presence, creating engaging content and marketing materials that strengthened its digital reach and community engagement.
Client CommunicationRequirements Gathering

Client & Selected Work

Real-world engagements focusing on diagnostic analysis, strategic design, and sustainable business outcomes.

FeaturedCollaborationStrategic Collaboration Project

Automotive Sales Analytics & Strategy

Challenge: Explored 10,000+ sales records to uncover hidden profitability issues, identifying ₹800K–₹1.2M in preventable annual margin leakage.

Approach: Developed an end-to-end analytics solution that transformed complex dealership data into executive dashboards covering pricing, inventory, and performance across 50+ product lines.

Outcome & Value: Generated actionable insights that revealed ₹1.5M+ in margin recovery opportunities, projected 6% higher profitability, and improved inventory efficiency upto 11%.

₹2.3MIdentified Opportunity
87%Forecast Accuracy
18%Margin Improvement
PostgreSQLDuckDBPythonPlotly Express
Data analytics dashboard showing sales metrics
FeaturedProfessionalKnowledge Automation

Swift-Query: Enterprise RAG Intelligence

Challenge: Addressed the challenge of extracting insights from a 170-page financial report, where manual analysis was slow, error-prone, and unsuitable for secure enterprise workflows.

Approach: Built a production-ready RAG system using local LLMs and ChromaDB, enabling semantic search with 90% retrieval accuracy, zero hallucinations, and offline processing for secure document intelligence.

Outcome & Value: Reduced financial information retrieval from hours to under a minute, with an initial processing time of ~10 seconds, enabling faster decision-making without recurring API costs or compromising data privacy.

87%Time Reduction
170-pageFinancial report
ZeroCloud Exposure
PythonRAGLLMsVector DatabasesChromaDBStreamlitSemantic Search
Abstract representation of artificial intelligence
ProfessionalFinancial Services Analytics

Customer Churn Predictive Analysis

Challenge: Analyzed 77,000+ customer records to uncover the root causes of customer churn and identify opportunities to improve long-term customer retention.

Approach: Combined SQL, statistical analysis, and Power BI to validate customer data, segment 80% of the customer base, and reveal that customers with 3+ support interactions were 4× more likely to churn.

Outcome & Value: Delivered data-driven retention insights projected to reduce customer churn by 15%, enabling more targeted engagement strategies and improving customer lifetime value.

15%Reduced Customer churn
4xIdentified Risk Factor
76%Warning Precision
SQLPythonPower BI
Business intelligence graphs
ProfessionalCorporate HR Analytics

Workforce Performance Framework

Challenge: Examined workforce data for 1,400+ employees to identify the factors affecting performance, retention, and organizational planning.

Approach: Leveraged Python and Power BI to validate and analyze employee data, uncovering promotion gaps as the key factor behind a 7% YoY decline in performance while building executive dashboards with 93% reporting accuracy.

Outcome & Value: Delivered actionable workforce insights that informed promotion and retention strategies, enabling data-driven planning and improving confidence in organizational decision-making.

7%Identified YoY decreased
23%Identified Promotion Gap
93%Reporting Accuracy
ExcelPythonPower BIStatistical TestingExecutive Dashboards
Data analysis on computer screen

Academic Foundation

🎓

BTech — AI & Data Science

CGPA: 8.44

K J Somaiya Institute of Technology

2022 – 2026 · Mumbai, India

Relevant Coursework: Engineering Mathematics, Database Management System, Data Warehousing and Mining, Artificial Intelligence, Machine Learning, Data Analytics and Visualization, Big Data.

📘

HSC Science

85.17%

Deogiri College Aurangabad

2020 – 2022 · Aurangabad, India

Scored 85.17% in HSC Science stream.

📗

SSC

94.20%

Anant Bhalerao Vidya Mandir

2020 · India

Scored 94.20% in SSC board examinations.

Data Analysis with R Programming

Google

Machine Learning Basics

Vodafone Idea Foundation

Google Certifications (Suite)

GDSC KJSIT · Google

Let's Connect

I am actively seeking roles in Business Analysis, Data Strategy, and Consulting. If your organization is looking to turn complex, fragmented data into sustainable operational value, I would love to talk.

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