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S4 Analytics LLC
Data Scientist

Data Scientist

On site

San diego, United states

Freelance

05-03-2026

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Skills

Python Data Analysis SQL Training Machine Learning PyTorch TensorFlow Deep Learning Regression AWS Numpy Pandas Analytics Data Science PySpark ETL Processes

Job Specifications

Job Title: Data Scientist

Location: San Diego, CA (Onsite)

Type: Contract

Job Description:

We are looking for an experienced Data Scientist to develop advanced machine learning and statistical models. The role involves building scalable data pipelines using PySpark, performing data analysis using Python, Pandas, NumPy, and SQL, and developing ML/DL models using TensorFlow and PyTorch.

Responsibilities:

Build and deploy machine learning and deep learning models for business solutions.
Design scalable data pipelines and ETL processes using PySpark.
Perform data preprocessing, transformation, and exploratory data analysis.
Work with AWS and SageMaker for model training and deployment.
Implement supervised and unsupervised learning models such as regression, classification, clustering, and anomaly detection.
Conduct model evaluation, cross-validation, and hyperparameter tuning.
Collaborate with data engineers and business teams to translate requirements into data-driven insights.
Mentor junior team members and follow best practices in data science and model governance.

Navya Marripudi

IT Lead Recruiter | S4 Analytics

navya@s4analytix.com

+1 (551) 300-0477 Ext.108

About the Company

S4 Analytics LLC is a fast growing IT and Clinical staffing company. Our direct clients include Johnson and Johnson, Shionogi and Omeros. Our key focus areas are Clinical SAS programmers and CDMs for Clinical Trails, Manual Testing, Test Automation, SDET, RPA, DevOps, JAVA, ETL& Reporting, Data Engineering and Visualization tools. Know more