Sarah Chen - Data Analyst
8+ Years Expert

Hi, I'm Sarah Chen

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Passionate Data Analyst with 8+ years of experience transforming raw data into actionable insights across finance, retail, and e-commerce industries. I specialize in building robust analytics solutions that drive business growth and strategic decision-making.

500+
Reports Created
50TB+
Data Processed
200+
Insights Delivered
View My Work Get In Touch
SQL & Databases Python Analytics Data Visualization Business Intelligence
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Get to know me

About Me

Passionate about data, driven by insights

My Data Journey

Transforming Numbers into Stories

With over 8 years in data analytics, I've developed a passion for uncovering hidden patterns and translating complex data into clear, actionable insights. My expertise spans across multiple industries, from financial modeling to retail analytics.

I believe that great data analysis combines technical excellence with business acumen. Every dataset tells a story, and I'm here to help businesses discover theirs through sophisticated analytics, intuitive visualizations, and strategic recommendations.

My approach focuses on understanding business objectives first, then applying the right analytical techniques to deliver meaningful results that drive decision-making and growth.

Data Engineering

ETL pipelines, data warehousing, and database optimization

Business Intelligence

Dashboard creation, KPI tracking, and strategic reporting

Predictive Analytics

Machine learning models and statistical forecasting

Technical Arsenal

Tools and technologies I use to unlock data insights

Programming & Analysis

Python Expert
SQL Expert
R Advanced
Excel/VBA Expert

Data Visualization

Tableau Power BI D3.js Plotly Matplotlib

Databases & Cloud

PostgreSQL MySQL MongoDB AWS Azure Google Cloud

Analytics & ML

Pandas NumPy Scikit-learn TensorFlow Apache Spark Jupyter
My career journey

Experience

8+ years of transforming data into business value

Senior Data Analyst

2022 - Present
TechFinance Solutions
Leading advanced analytics initiatives for financial products, developing predictive models for risk assessment and customer segmentation. Built real-time dashboards serving 500+ stakeholders and implemented ML algorithms that improved loan approval accuracy by 35%.
  • Developed Python-based ETL pipelines processing 10M+ daily transactions
  • Created executive dashboards in Tableau reducing reporting time by 80%
  • Led cross-functional team of 5 analysts on customer lifetime value project

Business Intelligence Analyst

2020 - 2022
RetailCorp Analytics
Specialized in retail analytics and customer behavior analysis across 200+ store locations. Developed comprehensive BI solutions using SQL Server and Power BI, enabling data-driven decision making that increased revenue by 25% year-over-year.
  • Built automated reporting system serving 50+ business users daily
  • Implemented inventory optimization models saving $2M annually
  • Designed A/B testing framework for marketing campaigns

Data Analyst

2018 - 2020
DataInsight Consulting
Worked with diverse clients across healthcare, finance, and e-commerce sectors. Focused on statistical analysis, data cleaning, and visualization projects. Gained expertise in multiple industry domains and analytical methodologies.
  • Completed 30+ client projects with 98% satisfaction rate
  • Specialized in healthcare data compliance (HIPAA) projects
  • Developed standardized data quality assessment framework

Junior Data Analyst

2016 - 2018
Analytics Startup Inc.
Started my data analytics career focusing on web analytics and marketing attribution. Learned foundational skills in SQL, Excel, and basic Python while supporting senior analysts on various client engagements.
  • Mastered SQL and database fundamentals
  • Created first automated reports using Python scripts
  • Supported Google Analytics implementation for 20+ clients
My Portfolio

Featured Projects

Comprehensive analytics solutions across finance and retail industries

Finance

Credit Risk Prediction Model

Machine learning model for credit risk assessment using advanced statistical techniques and ensemble methods. Processes loan applications in real-time with 94% accuracy and integrates with existing banking systems.

94% Prediction Accuracy
Real-time Processing
Risk Mitigation
Python Scikit-learn PostgreSQL Tableau
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Retail

Customer Segmentation & Analytics

Comprehensive customer analytics platform using RFM analysis and clustering algorithms to identify high-value customer segments and optimize marketing strategies across multiple retail channels.

5M+ Customers Analyzed
25% Revenue Increase
Targeted Campaigns
Python Pandas Power BI Azure
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E-commerce

Sales Forecasting Dashboard

Interactive Tableau dashboard with automated forecasting models using ARIMA and Prophet algorithms. Provides weekly sales predictions with confidence intervals and integrates with inventory management systems.

12-week Forecasts
Auto-updated Daily
Inventory Integration
R Tableau MySQL Prophet
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Finance

Portfolio Risk Analytics

Comprehensive risk management dashboard for investment portfolios using Monte Carlo simulations and Value-at-Risk calculations. Features real-time market data integration and stress testing scenarios.

Monte Carlo VaR
Stress Testing
Real-time Data
Python NumPy Plotly Financial APIs
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Healthcare

Patient Flow Optimization

Hospital operations analytics platform using queuing theory and simulation models to optimize patient flow, reduce wait times, and improve resource allocation across multiple departments.

40% Wait Reduction
Resource Optimization
Multi-department
R SimPy Shiny PostgreSQL
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Marketing

Marketing Attribution Model

Multi-touch attribution analysis using Markov chain modeling to understand customer journey across digital channels. Provides actionable insights for marketing budget optimization and channel performance.

Customer Journey
Budget Optimization
Multi-channel
Python NetworkX GA4 Dash
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Want to see more projects?

Explore my complete portfolio on GitHub with 15+ analytics projects and data science solutions

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Professional Background

Resume & CV

Comprehensive overview of my professional experience, skills, and achievements

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Share your professional background with a PDF or Word document

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Get in touch

Let's Work Together

Ready to unlock your data's potential? Let's discuss how I can help your organization make data-driven decisions.

Get In Touch

Let's turn your data into actionable insights

Email

sarah.chen.data@gmail.com

Phone

+1 (555) 123-4567

Location

San Francisco, CA

LinkedIn

linkedin.com/in/sarah-chen-data

What I Can Help With

Tailored analytics & intelligence solutions

Data Analysis & Reporting
Business Intelligence Solutions
Dashboard & Visualization Design
Predictive Analytics & Modeling
Data Strategy Consulting

Send me a message