Hello, I am Data Scientist with over a year of experience in data analysis and BI reporting development. In the past, I have built predictive models (achieving 85% accuracy), automated BI reports, and visualized data usi…
Hello, I am Data Scientist with over a year of experience in data analysis and BI reporting development. In the past, I have built predictive models (achieving 85% accuracy), automated BI reports, and visualized data using Python. My resume is attached.
English level: B2, currently learning Serbian independently. Open to remote work.
Telegram: @mysweetestmelody
<p>Built predictive models for in-hospital mortality due to sepsis using machine learning algorithms.<br>
Optimized model accuracy to 85% through hyperparameter tuning and rigorous data preprocessing.<br>
Enhanced risk assessment and patient care strategies.<br>
Performed model interpretation using SHAP and permutation importance to ensure transparency.<br>
Visualized clinical insights using Matplotlib and Seaborn to improve communication with medical staff.<br>
Documented the entire ETL pipeline and created a scheduled workflow using Airflow for model retraining and reporting.<br>
Improved trust in AI-driven decisions.</p>
Built predictive models for in-hospital mortality due to sepsis, optimized model accuracy to 85%, performed model interpretation, visualized clinical insights, documented ETL pipeline
<p>Developed BI dashboards in PowerBI to provide actionable insights for HR department.<br>
Built data pipelines for extracting and aggregating sales and marketing data across departments.<br>
Implemented real-time monitoring for key metrics, enabling faster decision-making.<br>
Improved KPI tracking efficiency by 20%.<br>
Conducted A/B testing to compare the efficiency of traditional and updated hiring processes.<br>
Analyzed HR metrics, revealing that the new process reduced time-to-hire by 15%.<br>
Increased recruitment efficiency.</p>
Developed BI dashboards in PowerBI, built data pipelines, implemented real-time monitoring, conducted A/B testing, analyzed HR metrics
<p>Conducted detailed analysis of company expenses, identifying key trends and external impact factors.<br>
Developed a recommendation system to optimize costs, reducing operational expenses by 10%.<br>
Analyzed company expenses and built cost prediction models (Random Forest, PyTorch), reducing operational costs by 10%.<br>
Automated reporting workflows, saving 15+ hours per month.<br>
Improved budget forecasting and financial decision-making.</p>
Conducted detailed analysis of company expenses, developed a recommendation system, built cost prediction models, automated reporting workflows
<p>Designed and maintained a centralized database in MySQL and ClickHouse, improving query speed by 30%.<br>
Worked with large and unstructured datasets, including product logs and customer behavior data.<br>
Reduced data retrieval time by 30% and streamlined business operations.<br>
Enhanced operational efficiency.</p>
Designed and maintained a centralized database, worked with large datasets, reduced data retrieval time
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