Senior Data Scientist — Advanced Analytics & ML Solutions

Tier4 Group; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

Tier4 Group in the United States seeks a Senior Data Scientist for Advanced Analytics to build and deploy machine learning models that optimize customer acquisition, retention, pricing, and marketing effectiveness.

You will own the end-to-end ML lifecycle, collaborate with Marketing, Product, Finance and Technology, and translate complex data into actionable insights that drive measurable business impact in a highly competitive telecommunications environment.

Qualifications

• Bachelor's degree in Data Science, Statistics, Mathematics, Computer Science, Analytics, Marketing Analytics, or a related field.
• 7+ years of experience in data science, machine learning, or advanced analytics.
• Strong programming skills in Python and SQL.
• Experience with BigQuery, BigQuery ML, and cloud-based analytical environments.
• Hands-on experience with machine learning libraries such as scikit-learn, XGBoost, LightGBM, and pandas.
• Strong understanding of predictive modeling, statistical analysis, experimentation, feature engineering, model validation, and machine learning best practices.
• Experience building machine learning models and automated analytical pipelines.
• Excellent communication skills with the ability to translate complex analytical findings into business recommendations.

Responsibilities

• Develop and deploy scalable predictive and ML solutions for marketing, pricing, and customer analytics.
• Own end-to-end ML lifecycle: design, feature engineering, deployment, monitoring, and retraining.
• Apply advanced statistics, experimentation, and analytics to business challenges.
• Develop ML solutions using BigQuery ML and Python libraries.
• Communicate insights via visualizations and executive presentations.
• Research and implement emerging AI/ML technologies to enhance capabilities.
• Develop robust SQL transformations and data pipelines in BigQuery.
• Build reusable datasets and automated training pipelines.
• Ensure data quality through validation, testing, monitoring, and governance.
• Partner with Data Engineering and IT to support production ML.

Skills

Python programming

SQL

BigQuery

BigQuery ML

Cloud analytics

Machine learning libraries

Model lifecycle management

Communication with stakeholders

Education

Bachelor's degree in Data Science, Statistics, Mathematics, Computer Science, Analytics, Marketing Analytics, or a related field

Master's degree (preferred)

Tools

Power BI

Job description

Tier4 Group in the United States seeks a Senior Data Scientist for Advanced Analytics to build and deploy machine learning models that optimize customer acquisition, retention, pricing, and marketing effectiveness.

You will own the end-to-end ML lifecycle, collaborate with Marketing, Product, Finance and Technology, and translate complex data into actionable insights that drive measurable business impact in a highly competitive telecommunications environment.