Data Analyst
Job Description
Analyze, design and develop prediction models for business use cases.
Collect and clean data for model feeding and performance analytics.
Deploy model and monitor model performance.
Generate Model performance report with visualization.
Responsibilities
Analyze, design and develop prediction models for business use cases.
- Collect business requirement and define model target for product propensity models.
- Create model training and validation pipelines with Python and Pyspark
- Develop feature selection functions for numerical and category variables with statistic
hypothesis testing methods
Collect and clean data for model feeding and performance analytics.
- Identify reliable data sources and provide mapping documentations for multiple
databases.
- Valid data mapping accuracy and check data quality with SQL and Python.
- Create feature generation pipelines with SQL and SparkSQL.
- Generate pickle files for feature processing automation and set alarm email for error
warnings.
Deploy model and monitor model performance.
- Work with engineer team to determine deployment environment and requirements
(batch processing/ real-time application).
- Upload model score result to local server or production server
- Monitor model performance with accuracy and lift, improving model performance with
retraining
Generate Model performance report with visualization.
- Conduct AB-testing, setting control group vs. experimental group and selecting metrics
to represent the model ability.
- Calculate metrics and evaluate model performance with hypothesis test.
- Generate model visualization report with python/DataRobot and deliver reports to the
business department.
Qualifications and Skills
- Bachelor’s Degree in Computer Science or a closely related field is required
- 2+ year experience with SQL, MySQL, PL/SQL or PostgreSQL is required
- Solid understanding of Object-Oriented Programing concepts
- Well conversant with software development life cycle
- Knowledge of developing algorithms in achieving consistent results most efficiently
- Highly motivated to solve real-life problems
- Great communication skills
Work location: Piscataway, NJ and various unanticipated locations throughout the U.S.
Send Resume to HR Dept., Itlize Global, LLC., 242 Old New Brunswick Road, Suite 250, Piscataway, NJ 08854.