Raphael Tedji
Prior Lake,MN
Summary
Adept Data Scientist with a proven track record at Chart Industries, where I leveraged Python and machine learning to optimize predictive models, enhancing targeted marketing campaigns. Known for exceptional problem-solving abilities and strong communication skills, I significantly improved KPI strategies and data analysis techniques, driving strategic organizational goals.
Overview
15
15
years of professional experience
Work History
Data Scientist
Chart Industries
09.2015 - Current
- Utilized advanced querying, visualization and analytics tools to analyze and process complex data sets.
- Automated repetitive tasks using scripting languages such as Python or R, saving time during the analytical process significantly.
- Identified, measured and recommended improvement strategies for KPIs across business areas.
- Streamlined data collection methods to minimize analysis errors.
- Assessed accuracy and effectiveness of new and existing data sources and data analysis techniques.
- Translated business requirements into data-driven solutions, providing value-added insights that directly contributed to the organization''s strategic goals.
- Analyzed large datasets to identify trends and patterns in customer behaviors.
- Optimized machine learning pipelines and computational resources deployment strategies resulting in reduced processing times.
- Developed polished visualizations to share results of data analyses.
- Modeled predictions with feature selection algorithms.
- Increased team collaboration with implementation of agile methodologies, facilitating cross-functional team engagement.
- Optimized machine learning models for predicting customer behavior, leading to more targeted marketing campaigns.
- Self-motivated, with a strong sense of personal responsibility.
- Proven ability to learn quickly and adapt to new situations.
- Excellent communication skills, both verbal and written.
- Passionate about learning and committed to continual improvement.
- Paid attention to detail while completing assignments.
- Proved successful working within tight deadlines and a fast-paced environment.
- Demonstrated strong organizational and time management skills while managing multiple projects.
Senior DBA
Chart Industries
09.2009 - 03.2015
- Conducted tests to identify issues and make necessary modifications.
- Developed scripts and processes for data integration and maintenance.
- Created and updated database designs and data models.
- Set up and controlled user access levels across databases to protect important data.
- Installed and configured middleware in Linux and Windows environments.
- Implemented security measures to protect vital business data.
- Built databases and table structures for web applications.
- Streamlined backup processes for faster recovery times in case of system failures.
- Optimized storage capacity by performing regular assessments and making necessary adjustments.
- Migrated legacy databases to newer platforms, ensuring seamless transitions and minimal disruptions to endusers.
- Resolved complex technical issues promptly, minimizing disruptions to daily operations of the organization.
Education
Master of Science - Mechanical Engineering
University of St Thomas
Saint Paul, MN12-2012
Skills
- Python Programming
- Machine Learning
- Statistical Analysis
- Scikit-Learn
- Neural Networks
- Database Management
- Data Wrangling
- Data operations
- Regression library management
- Deep learning
- Problem-Solving
- Data science research methods
- Large dataset management
Languages
English
Full Professional
Timeline
Data Scientist
Chart Industries
09.2015 - Current
Senior DBA
Chart Industries
09.2009 - 03.2015
Master of Science - Mechanical Engineering
University of St Thomas
Similar Profiles
Michael BrannonMichael Brannon
Production Team Lead at Chart IndustriesProduction Team Lead at Chart Industries
Logan EhrhardtLogan Ehrhardt
Machinist 6 at Chart IndustriesMachinist 6 at Chart Industries
Felix EsquilinFelix Esquilin
Pipe Welder at Chart IndustriesPipe Welder at Chart Industries