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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.