Senior Data Scientist

Zeta is seeking an experienced Senior Data Scientist  to join our Machine Learning team. You will design, build, and scale machine learning solutions that power marketing intelligence, campaign optimization, and business performance.  
This role spans the full ML lifecycle — from data engineering and feature development to model deployment and performance monitoring — in a cloud-based, distributed environment.  
 
Reporting / Hours: 1:00 PM – 10:00 PM IST (± 30 minutes flexibility)
 
Key Responsibilities  
Data Engineering & ETL  


• Lead the design and development of scalable ETL pipelines across platforms such as Snowflake / Hive, Athena  



• Partner with cross-functional teams to  optimize  data architecture and workflows  

 
Machine Learning & AI Development  


• Design, develop, evaluate, and deploy ML/AI models in production environments  



• Build scalable ML pipelines for training, validation, deployment, and scoring  



• Develop advanced predictive models  and  recommendation engines  



• Optimize  model performance through experimentation, feature engineering, and ensemble techniques  



• Implement automation frameworks to improve productivity and reproducibility  

 
Cloud & Distributed Systems  


• Leverage AWS technologies including EC2, EMR, S3, Airflow, and Athena  



• Build and  maintain  robust workflows in distributed computing environments  

 
Analytics, Reporting & Marketing Automation  


• Generate client-facing  modeling insights dashboards  and  performance  reports with a strong focus on accuracy ,  consistency , and  explainability  



• Support marketing automation initiatives using Python, Snowflake, Apache Superset, and related technologies  

 
Collaboration & Delivery  


• Work on multiple concurrent projects in a fast-paced, high-growth environment  



• Communicate complex findings clearly to both technical and non-technical stakeholders  



• Mentor junior team members and contribute to best practices across the data science function  

 
Required Skills:


• Strong expertise in supervised learning and advanced ML techniques (Random Forest, GBM, regression, neural networks, boosting and bagging methods, ensemble models)  



• Proven experience building and productionizing ML pipelines  



• Advanced Python proficiency and experience with ML libraries  



• Strong data preparation and feature engineering skills  



• Experience with Snowflake and distributed data systems  



• Working knowledge of Unix and shell scripting  



• Strong analytical thinking, attention to detail, and communication skills  

 
Qualifications:  


• MSc/MS in a quantitative field with 4+ years of experience  
or  



• BSc with 7+ years of relevant experience  

 
 
WHO WE ARE 
Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow, and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), our vision is to make sophisticated marketing simple by unifying identity, intelligence, and omnichannel activation into a single platform – powered by one of the industry’s largest proprietary databases and AI. Our enterprise customers across multiple verticals are empowered to personalize experiences with consumers at an individual level across every channel, delivering better results for marketing programs. Zeta was founded in 2007 by David A. Steinberg and John Sculley and is headquartered in New York City with offices around the world. To learn more, go to www.zetaglobal.com .
 
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