Senior Data Scientist C2C contract Quincy, MA (Hybrid)

Job Title: Senior Data Scientist
Location: Quincy, MA (Hybrid) ( locals or Near BY locations only)
Exp : 12+ years

Job Description

We are seeking a Senior Data Scientist to design and scale advanced machine learning and AI solutions that drive personalization, recommendations, and intelligent automation across digital platforms. This role will collaborate closely with Machine Learning Engineers, Data Engineers, and business stakeholders to deliver impactful data-driven solutions that enhance customer engagement and operational efficiency.

Required Skills

Strong Python and PySpark programming experience
Hands-on experience with Databricks
Experience with ML libraries: Scikit-learn, PyTorch, TensorFlow
Hands-on experience with Hugging Face Transformers
Experience building recommendation systems or personalization models
Semantic search and embedding model experience
Feature engineering and exploratory data analysis expertise
Model evaluation and performance tuning experience
Experience with MLOps workflows
A/B testing and experimentation frameworks knowledge
Strong communication and stakeholder collaboration skills
 

Key Responsibilities

Build, test, and deploy recommendation, personalization, and predictive models
Develop end-to-end ML pipelines including data preparation, feature engineering, training, and production inference
Implement semantic search and embedding-based solutions using transformer models
Explore generative AI and retrieval-augmented generation (RAG) approaches
Collaborate with ML Engineers to productionize scalable and monitored ML systems
Work with Data Engineers to design efficient and versioned datasets
Define success metrics and design A/B experiments
Translate analytical insights into actionable business outcomes
Contribute to best practices and documentation across analytics ecosystem