Website Artech LLC
Artech LLC
Company : Artech LLC
Location:
~MOUNT LAUREL~
Salary Range:
Competitive and commensurate with experience
Introduction
We are seeking a technically strong and detail-oriented professional to support the model development and migration in Java as well as in Python. The role involves migrating and validating XGBoost-based ML models originally developed in Java into Python using a custom-built internal Python framework. This is an exciting opportunity to work closely with PySpark engineers, platform teams, and validation teams to ensure metric parity.
Required Skills & Qualifications
- Applicants must be able to work directly for Artech on W2
- 7-10 years hands-on experience with Python for machine learning, especially XGBoost, scikit-learn, and NumPy/pandas
- Proficiency in PySpark for reading, transforming, and analyzing large datasets stored in parquet
- Experience in validating or reverse engineering ML models from business logic or legacy implementation
- Exposure to Java-based ML libraries or understanding of how internals map across languages
- Hands-on experience with Python frameworks for meta-modeling libraries
Preferred Skills & Qualifications
- Experience with model validation teams to review performance and consistency
- Ability to design unit tests and validation scenarios
- Experience conducting EDA and spot-checking row-level predictions
Day-to-Day Responsibilities
- Collaborate with the customer team to understand the logic, structure, and parameters of the Java-based XGBoost models
- Interpret data transformation logic and validate feature pipelines from existing Java implementations
- Run Python-converted models on historical datasets and validate output metrics against Java model benchmarks
- Ingest model input data from parquet files using PySpark and pandas to reproduce training and scoring workflows
Company Benefits & Culture
- Inclusive and diverse work environment
- Opportunities for professional development and growth
- Supportive team culture that values collaboration and innovation
For immediate consideration please click APPLY to begin the screening process with Alex.