Freelance Data Scientists in Maharashtra
Freelance Data Scientists in Maharashtra
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Umar Shaikh
Pune, India
Data Scientist, Backend Engineer, Data Analyst
9
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Data Scientist, Backend Engineer, Data Analyst
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Proud to share that I’ve earned the Oracle Cloud Infrastructure (OCI) 2025 Certified Data Science Professional certification (https://tinyurl.com/dsmlaidl) — issued by Oracle. This certification validates my expertise in Machine Learning (ML) | Data Science | Artificial Intelligence (AI) | Cloud Computing, showcasing my ability to design, build, deploy, and manage end-to-end ML solutions using OCI Data Science and Oracle AI Services. 💡 Core Expertise: 🔹 Scalable ML pipelines on OCI Data Science 🔹 AI, MLOps, and Cloud best practices for model optimization 🔹 Leveraging OCI Data Flow, Data Catalog, and AI Services for automation 🔹 Skilled in Python | TensorFlow | Scikit-learn | OCI SDKs for production-grade workflows 💪 Passionate about applying ML | Data Science | AI | Cloud Innovation to drive real business transformation.
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Fraud_Transaction_Detection-Fraud_Finder_ID12254…
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International Debt Statistics - PPG Bilateral Debt
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main_palmer_penguin_EDA_2024-project
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Data Scientist
(3)
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Ajay Kurchami
Pune, India
AI & Analytics Engineer | BI Systems, RAG & Enterprise ML
New to Contra
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AI & Analytics Engineer | BI Systems, RAG & Enterprise ML
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Real-Time Anomaly Detection Engine for Fraud Prevention
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AI-Powered Churn Prediction Engine for Telecom
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Autonomous Market Researcher (Multi-Agent AI System)
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Enterprise BI & Revenue Prediction Platform Development
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Data Scientist
(4)
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Kaustubh Bhiwsankar
Pune, India
Data Analytics Professional
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Data Analytics Professional
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Geospatial Analysis and Feature Extraction 📊🌏
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Dynamic Media Scraping Solution 🎭
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End-to-End Data Analytics 📊💻🔍
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(3)
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Abu Aasif Ansari
Kagal, India
I help businesses fix messy data and build dashboards
New to Contra
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I help businesses fix messy data and build dashboards
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I specialize in data cleaning and preprocessing, ensuring your spreadsheets or databases are accurate, well-formatted, and ready for analysis or reporting. What Ill do for you: Remove duplicates, nulls, and inconsistencies Standardize date, text, and numeric formats Fix spelling/case issues Split/merge columns (e.g., names, addresses) Convert file formats (CSV Excel SQL) Python or SQL-based advanced cleaning (if required) Supported formats: Excel, CSV, Google Sheets, SQL dumps Clean, fast & confidential service 100% satisfaction guaranteed Message me before ordering so I can understand your dataset and goals!
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Data Analytics Project – Subscription Model Analysis (SQL & Power BI) Analyzed a subscription-based business model for Foodie-Fi (TastyStream), a digital platform offering on-demand global cuisine content. The objective was to understand customer journeys, subscription transitions, and revenue performance using SQL and Power BI. Key Contributions & Insights: Segmented customers based on trial-to-paid and plan transitions. Analyzed free trial behavior and conversion patterns. Evaluated revenue performance across subscription plans. Built interactive dashboards in Power BI for actionable insights. Tools Used: MYSQL, Power BI Outcome: Delivered a clear, insight-driven dashboard supporting data-driven decisions in a subscription-based business.
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🚀 SQL & Tableau Project | Sales Analytics Dashboard To practice real-world analytics, I built an interactive Sales Analytics Dashboard using SQL & Tableau to analyze sales performance and customer behavior. 🔹 Dataset Highlights OrderID, CustomerID, Product, Category, Sales, Quantity, Discount, Profit, Region, OrderDate 🔹 Dashboard Coverage • Sales overview: Total Sales, Profit & Orders • Product performance: Top-selling products & category insights • Monthly sales trends 🔹 Tools Used • SQL • Tableau 🔹 Key Insights • A small customer segment drives most revenue • Certain product categories consistently outperform others • Clear seasonal sales patterns 🔹 What I Learned • Writing efficient SQL queries for analysis • Translating numbers into business-friendly visuals • Designing dashboards that support data-driven decisions
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Sales, Customer & Marketing Analytics Dashboard Project
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Data Scientist
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Mansi Gaikwad
Pune, India
Web Developer | Responsive Design & UI/UX Specialist
New to Contra
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Web Developer | Responsive Design & UI/UX Specialist
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Project Title: Sentix AI: Global Sentiment Intelligence Results & Impact: 1. Achieved a 92% F1-score by implementing domain-specific fine-tuning on diverse consumer datasets, ensuring high reliability in classification. 2. Engineered an Aspect-Based Sentiment Analysis (ABSA) module that decomposed reviews into granular attributes (performance, pricing, reliability), making trend tracking 15% more precise. 3. Optimized inference performance by 25% through model distillation and Docker-based containerization, enabling the system to handle thousands of concurrent requests. 4. Mitigated data bias by designing a robust pre-processing workflow including lemmatization and custom noise reduction, critical for handling global marketplace jargon.
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Project Title: SteganoTool 1. Established a critical security framework for digital forensics and covert communication, as published in the IJRTI Journal (Vol. 10, Issue 4). 2. Achieved 100% data integrity during extraction by engineering a lossless LSB substitution pipeline for image, audio, and text carriers. 3. Conducted a comparative analysis of LSB vs. advanced transformation methods, proving that my custom noise-reduction heuristics significantly improved the PSNR (Peak Signal-to-Noise Ratio). 4. Optimized for multi-format compatibility, supporting 24-bit RGB and 8-bit grayscale images, making the tool versatile for various enterprise security applications.
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Engineered a dynamic, multi-section input engine that optimized the user journey through scalable, real-time block management logic. Validated a 30% improvement in form-filling efficiency by measuring user interaction speed against traditional static document templates. Developed and owned a live-preview rendering engine with CSS-optimized print functions to ensure 100% document fidelity and recruiter-ready formatting.
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Architected a high-performance frontend engine using Vanilla JavaScript and Tailwind CSS, resulting in a 40% increase in UI responsiveness compared to standard CSS frameworks. Engineered a client-side recommendation algorithm using Local Storage, dynamically analysing user behavioural data to suggest niche titles with a 100% data persistence rate without a backend. Optimized user decision-making by implementing a real-time price comparison modal, increasing the application’s utility and simulation accuracy by 30% across mock retail datasets.
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Data Scientist
(1)
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Sarbjot Singh
Pimpri-Chinchwad, India
Power BI Expert | Turning Raw Data into Actionable Insights
New to Contra
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Power BI Expert | Turning Raw Data into Actionable Insights
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I’m excited to share my latest Data Analytics project where I analyzed Customer Shopping Behavior to uncover trends in sales, demographics, and purchasing habits.This project was a great exercise in building a complete data pipeline. The Tech Stack: Python (Pandas & NumPy): Used in Jupyter Notebooks for initial data exploration and statistical analysis. PostgreSQL: Utilized for rigorous data cleaning, querying, and structuring the dataset for analysis. Power BI: Built an interactive dashboard to visualize key metrics like seasonal trends, subscription impacts, and category performance. Project Highlights: ✅ Data Cleaning: Leveraged PostgreSQL and Pandas to handle missing values and standardize categorical data.
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Data Analytics Project | BlinkIT Grocery Sales Analysis Excited to share my latest Data Analytics project ,where I analyzed BlinkIT Grocery Sales Data and delivery data to uncover meaningful business insights 📈 📊 What I worked on: Analyzed sales performance across product categories, outlet types, sizes, and locations Identified top-performing item categories and customer preferences Studied the impact of outlet size, establishment year, and visibility on sales Converted raw data into actionable insights and business recommendations 💡 Key Insights: Fruits & Vegetables, Snack Foods, and Frozen Foods drive maximum sales FOR FULL PROJECT VIST GIT HUB –( https://lnkd.in/d34sdAPz )
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Venezuela’s Oil Reserves Analysis Dashboard 📊 I am excited to share my latest data analytics project focusing on the energy sector. Using a dataset covering 23 reservoirs, I designed a comprehensive dashboard to track production capacity and resource distribution in Venezuela. Key Features: ✅ Real-time Metrics: Tracking the 390.50 Billion total barrels in reserve. ✅ Granular Analysis: Production capacity breakdown by reservoir name and oil grade (Extra Heavy to Light). ✅ Stakeholder Mapping: Visualizing the production sum by major operators. Tools Used: [pandas(jupyter notebook)/mysql(for analysis and cleaning of data), Power BI / Excel(for building dashboard)] I’d love to hear your thoughts or feedback on the dashboard design! must visit my github for full project -( https://lnkd.in/dYKdZ8J2 )
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Data Analytics Project | BlinkIT Grocery Sales Analysis Excited to share my latest Data Analytics project ,where I analyzed BlinkIT Grocery Sales Data and delivery data to uncover meaningful business insights 📈 📊 What I worked on: Analyzed sales performance across product categories, outlet types, sizes, and locations Identified top-performing item categories and customer preferences Studied the impact of outlet size, establishment year, and visibility on sales Converted raw data into actionable insights and business recommendations 💡 Key Insights: Fruits & Vegetables, Snack Foods, and Frozen Foods drive maximum sales Medium-sized outlets outperform others in overall revenue FOR FULL PROJECT VIST GIT HUB –( https://lnkd.in/d34sdAPz ) Feedback and suggestions are always welcome!
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Data Scientist
(1)
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Srikanth Tangirala
Mumbai, India
Data Analyst / Data Scientist
13
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Data Analyst / Data Scientist
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Sentiment Analysis of Google Playstore App Reviews
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International Debt Statistics Analysis
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English Premier League Table
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TechAPeek Services
Mumbai, India
🔍 Transforming Data into Business Insights
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🔍 Transforming Data into Business Insights
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HUMOUR DETECTION USING NLP
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Dynamic Advertisement Overlay
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Billing Management System
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