Available for Freelance Projects

Data Scientist & AI Consultant |

I am Sachin Kumar, a senior Data Scientist with over 5 years of professional experience in Generative AI, Machine Learning, Natural Language Processing, and end-to-end software development with Python, Django & FastAPI. I help businesses transform complex data into actionable intelligence and build AI-powered products that deliver measurable results.

0+ Years Experience
0+ Team Members Led
0+ Projects Delivered
0 Organizations
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About Me

I am a seasoned Data Scientist presently serving as Manager at ALTRr Software Services, where I lead a team of 12+ professionals in engineering data-driven solutions for India's real estate ecosystem. Over the course of my career, I have developed deep expertise in building predictive models, architecting data pipelines, and deploying AI-powered systems that directly impact business performance.

My professional focus areas include Generative AI, Natural Language Processing, Computer Vision, and full-stack software development with Django & FastAPI. I bring end-to-end capabilities from data collection and preprocessing through model training, REST API development, and production deployment. I am also available for freelance consulting and project-based engagements.

Location South Delhi, India
Email kumarsachin15148@gmail.com
Current Role Data Scientist (Manager)
Availability Open for Freelance

Sachin Kumar

Data Scientist & AI Consultant

5+ Years
4 Companies
12+ Team Size

Domain Expertise

Real Estate Tech E-Commerce FinTech Social Platforms Healthcare Retail

Freelance Services

I provide end-to-end AI, data science, and software development services tailored to your business requirements. From concept to deployment.

Generative AI Solutions

Custom LLM integrations, AI chatbots, content generation systems, RAG pipelines, and prompt engineering for enterprise applications.

  • ChatGPT / Claude API Integration
  • Custom RAG Pipelines
  • AI-Powered Automation
  • Fine-tuning & Prompt Engineering
Starting from Competitive Rates

Software Development

Full-stack web applications, REST APIs, dashboards, and automation tools built with Django, FastAPI, and scalable architecture.

  • Django / FastAPI / Flask Applications
  • REST API & Microservices
  • Dashboard & BI Solutions
  • Automation & Web Scraping
Starting from Competitive Rates

Data Engineering & Scraping

Large-scale data collection, web scraping systems, ETL pipelines, and database architecture for structured and unstructured data.

  • Web Scraping at Scale
  • ETL Pipeline Development
  • MySQL / AWS Data Storage
  • Data Cleaning & Transformation
Starting from Competitive Rates

AI Consulting & Team Training

Strategic AI consulting, technical mentorship, and team training programs to help organizations adopt AI effectively.

  • AI Strategy & Roadmapping
  • Technical Team Mentorship
  • Code Review & Architecture
  • Workshop & Training Programs
Starting from Competitive Rates

Business Intelligence & Analytics

Interactive dashboards, automated reporting, KPI tracking systems, and data visualization solutions for data-driven decisions.

  • Power BI Dashboards
  • Automated Reporting Systems
  • Sales & Revenue Forecasting
  • Market Analysis & Insights
Starting from Competitive Rates

My Team

I lead a dedicated team of 11 skilled professionals specializing in AI, data engineering, analytics, DevOps, and quality assurance.

11
Team Members
7
Specializations
4+
Years Together
2 Members

Python Developers

Core backend development, scripting, web scraping automation, and building scalable data pipelines using Python.

PythonScriptingAutomationWeb Scraping
1 Member

Data Engineer

Designing and maintaining data infrastructure, building robust pipelines, and ensuring data quality across all systems.

Data PipelinesAWSMySQLETL
2 Members

SQL & ETL Developers

Database management, complex query optimization, and building ETL workflows for large-scale data processing.

SQLMySQLETLData Warehousing
2 Members

Python Data Analysts

Data analysis, visualization, reporting, and deriving actionable business insights from complex datasets.

PandasPower BIAnalyticsVisualization
1 Member

Quality Control Specialist

Ensuring data accuracy, validating outputs, performing quality audits, and maintaining standards across deliverables.

QA/QCData ValidationTestingAuditing
1 Member

Data Scientist (AI/ML)

Building and deploying machine learning models, deep learning research, and implementing AI-driven solutions.

Machine LearningDeep LearningNLPComputer Vision
1 Member

Generative AI Developer

Developing LLM-based applications, RAG systems, AI chatbots, and integrating generative AI into business workflows.

LLMsLangChainRAGPrompt Engineering
1 Member

DevOps Engineer

Managing cloud infrastructure, CI/CD pipelines, server deployments, and ensuring system reliability and scalability.

AWSDockerCI/CDLinux

Need a dedicated team for your project? My team is available for contract-based engagements.

Hire the Team

Generative AI Expertise

Leveraging cutting-edge Generative AI technologies to build intelligent systems that automate, augment, and accelerate business operations.

Why Generative AI?

Generative AI is transforming every industry. From automating complex data extraction to building intelligent chatbots and content systems, I bring hands-on production experience in deploying GenAI solutions that deliver real ROI.

3+ Years in GenAI
10+ GenAI Projects
12+ Team Trained

LLM Integration & Chatbots

Custom chatbot development using OpenAI, Claude, and open-source LLMs with context-aware conversation management.

RAG Pipeline Development

Retrieval-Augmented Generation systems connecting LLMs with proprietary data for accurate, domain-specific responses.

Document Intelligence

Automated extraction of structured data from PDFs, images, and scanned documents using AI-powered OCR and NLP.

AI-Powered Automation

Intelligent automation workflows combining GenAI with web scraping, data processing, and business logic.

Content Generation Systems

AI-driven content creation, summarization, and transformation pipelines for marketing, documentation, and reporting.

Technologies I Work With

OpenAI API Claude API LangChain LlamaIndex Hugging Face Vector Databases Pinecone ChromaDB Transformers PyTorch TensorFlow FAISS Prompt Engineering Fine-Tuning

Software & Projects

A selection of software solutions and AI-driven projects I have designed, developed, and deployed across various industries.

Real Estate Tech

Real Estate Data Platform

End-to-end data platform covering 44+ cities with 170,000+ projects. Automated data collection from multiple sources using web scraping and GenAI-powered extraction.

PythonGenerative AIMySQLAWSWeb Scraping
44+ Cities
170K+ Projects
AI / Automation

Intelligent CAPTCHA Solver

Developed machine learning and deep learning algorithms to automatically solve CAPTCHA challenges, enhancing automated data collection workflows and system reliability.

Deep LearningOpenCVPythonCNN
High Accuracy
Real-time Processing
Computer Vision

Object Detection System (R-CNN)

Implemented a deep learning method based on Region-Based Convolutional Neural Networks for object detection, classification, and instance segmentation across multiple domains.

R-CNNPyTorchOpenCVDeep Learning
Multi-class Detection
Segmentation
Document AI

PDF & Image Data Extraction

Built an AI-powered system to extract structured data from scanned PDFs, images, and unstructured documents using OCR, OpenCV, and NLP for the real estate industry.

OpenCVNLPOCRGenerative AIPython
Multi-format Support
Automated Pipeline
Analytics

Sales Forecasting Engine

Trained machine learning models for sales forecasting leveraging Generative AI techniques, historical data analysis, and market trend detection for accurate revenue predictions.

ML ModelsGenAIPythonPandasPower BI
Improved Accuracy
Trend Detection
ML / Finance

Credit Card Fraud Detection

Developed a machine learning model to detect fraudulent credit card transactions using anomaly detection, classification algorithms, and real-time data processing pipelines.

Scikit-learnPythonAnomaly DetectionClassification
Fraud Detection
Real-time Analysis

Technical Skills

AI & Machine Learning

Machine Learning Deep Learning Generative AI NLP Computer Vision LLMs RAG Predictive Analytics

Programming & Frameworks

Python Django FastAPI Flask REST API Selenium UiPath LangChain Git

Data & Infrastructure

MySQL AWS Data Mining Web Scraping Data Modelling ETL Pipelines Text Mining Vector DB

Visualization & Tools

Power BI Matplotlib Seaborn NumPy Pandas OpenCV Scikit-learn PyTorch

Professional Experience

Current

Data Scientist (Manager)

ALTRr Software Services Ltd

June 2024 — Present Pune, India

Leading a team of 12+ professionals to deliver data-driven software solutions for India's real estate ecosystem with a focus on Generative AI integration.

  • Architected data pipelines using web scraping, Python, and Generative AI with MySQL & AWS storage
  • Managing a team of 12+ specializing in AI-powered data engineering
  • Developed ML and deep learning algorithms for automated CAPTCHA resolution
  • Led the design, development, and deployment of multiple web platforms
PythonGenerative AIMySQLAWSLeadership

Data Scientist (Team Lead)

P.E Analytics Limited — PropEquity

May 2022 — June 2024 Gurugram, India

Contributed to India's leading real estate data and analytics platform covering 44+ cities with 170,000+ projects from 60,000 developers.

  • Built large-scale web scraping systems for unstructured data extraction
  • Implemented NLP pipelines for data cleaning and enhancement with Generative AI
  • Developed OpenCV-based systems for image and PDF data extraction
  • Trained ML models for sales forecasting with improved prediction accuracy
NLPOpenCVWeb ScrapingGenerative AIML

AI / ML Developer

QUY Technology Private Ltd

November 2021 — April 2022 Gurugram, India

Developed computer vision and deep learning solutions for an award-winning IT consulting firm serving clients including Honda, Deloitte, HP, and Marks & Spencer.

  • Implemented R-CNN based deep learning for object detection and recognition
  • Built robust training data pipelines for computer vision algorithms
  • Developed models for image classification, segmentation, and object detection
  • Applied ML and data mining techniques for predictive analytics
R-CNNComputer VisionDeep LearningPyTorch

Data Analyst

Ketsaal Retails LLP

January 2020 — October 2021 Noida, India

Delivered data analysis, real-time market insights, and predictive analytics solutions for retail and e-commerce operations.

  • Developed real-time dashboards using REST APIs for data visualization
  • Built ML-powered sales forecasting models for new product launches
  • Created back-testing models for stock market strategy analysis
  • Implemented e-commerce price scraping and competitive analysis systems
Data AnalysisREST APIDashboardsForecasting

Education

Master of Computer Applications (MCA)

DAV Institute of Management

Faridabad, Haryana

2017 — 2019

Bachelor of Computer Applications (BCA)

DAV Centenary College

Faridabad, Haryana

2014 — 2017

Data Science with Python

DUCAT (Professional Training)

Noida

May 2019 — August 2019

NumPy, Pandas, Matplotlib, Seaborn, Machine Learning, Deep Learning, OpenCV, NLP

Get In Touch

Whether you need a freelance AI consultant, a data science solution, or custom software development — I am here to help. Let's discuss your project.

Location

South Delhi, India

Availability

Mon — Sat, 10:00 AM — 7:00 PM IST

Send a Message