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Role Overview

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We are looking for a highly skilled Freelance Data Engineer / Machine Learning Engineer to build an end-to-end data pipeline and predictive analytics system focused on life expectancy modeling using public health and socio-economic data.

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The ideal candidate should have solid experience in data engineering, big data processing, and machine learning, with the ability to work on real-world datasets and derive actionable insights.

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Key Responsibilities

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Data Engineering

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Build scalable data pipelines using Python, SQL, and Apache Spark
Ingest data from APIs and public datasets (Census, healthcare, etc.)
Design multi-layer architecture:
Bronze (raw data)
Silver (cleaned data)
Gold (aggregated/feature-ready data)
Perform data transformation, joins, and aggregation at regional/community level

Feature Engineeringn
Develop key health indicators such as:
Mortality rates
Poverty & unemployment rates
Healthcare provider density
Food accessibility metrics
Build composite indices like:
Economic Hardship Index
Health Access Index

Machine Learningn
Develop predictive models using scikit-learn (Random Forest, Regression)
Evaluate models using:
R² Score
RMSE




Perform feature importance analysis to identify key drivers of life expectancy

Simulation & Insightsn
Build an interactive Life Expectancy Simulator
Enable scenario-based analysis (e.g., impact of poverty reduction, healthcare improvements)
Provide recommendations for policy and intervention strategies

Visualization & Reportingn
Create dashboards using Power BI and Streamlit
Develop geospatial visualizations using Folium
Highlight disparities across communities and generate insights reports

Required Skills & Experiencen
Robust experience in:
Python, SQL
Data Engineering & ETL pipelines
Big Data tools (Spark, Databricks)
Hands-on experience with:
Machine Learning (scikit-learn)
Feature engineering & model evaluation
Experience working with:
Public datasets / APIs
Data modeling & transformations
Valuable understanding of:
Data pipelines (Bronze/Silver/Gold architecture)
Statistical analysis and predictive modeling

Nice to Haven
Experience in public health / healthcare analytics
Knowledge of geospatial data analysis
Experience building interactive dashboards or simulators
Exposure to cloud platforms (AWS / Azure / GCP)

Apply on Kit Job: kitjob.in/job/46zngh

📌 Freelance Data Engineer / Ml Engineer Public Health Analytics Nellore (India)
🏢 ThreatXIntel
📍 India