JATIN HANS
Abu Dhabi (Golden Visa Holder)
Summary
Senior Data Science Professional with 6+ years of experience in building end-to-end machine learning models to deliver action-oriented solutions for a variety of complex business problems.
Overview
6
6
years of professional experience
Work History
Senior Data Scientist
Momos
05.2022 - Current
- Spearheaded the development of a review classification engine, initially leveraging a fine-tuned version of GPT, then upgrading to GPT-3.5 for advanced functionality, including a three-level class hierarchy and dynamic category integration without re-training, all guided by strategic prompts and constraints.
- Developed an AI-assisted campaign generator leveraging GPT and MJML, enabling the creation of marketing emails from simple descriptions through smart prompt engineering and a complex AI-generated workflow, significantly enhancing campaign efficiency and engagement.
Lead Data Scientist
Yum! Brands (Acquired Kvantum)
04.2021 - 05.2022
- Partnered with internal stakeholders to create a Price Recommendation Engine for KFC franchisees across Canada, Brazil, and the UK. This engine created Wide Neural Network for each SKU, accounting for the effects of complementary and substituting products.
- Implemented Market Basket Analysis and Marketing-Mix Attribution models, using internal and external data, to address transaction declines. Analyzed millions of transactions with PySpark and applied Kalman filters for attribution, offering targeted solutions.
Senior Data Scientist
Kvantum Inc.
08.2017 - 03.2021
- Worked on a sophisticated data pipeline network hosted on Azure Data Factory, processing over 1 million daily transactions across various countries, utilizing a mix of Python, SQL Server, Elasticsearch, and Power BI.
- Developed a marketing spend optimization tool to enhance ROI, employing a Python and FastAPI backend architecture. This solution incorporated the BFGS algorithm for efficient optimization.
- Crafted a segmentation model for 5M+ users of Pizza Hut, merging it with Google Analytics for tracking. Implemented a segment-focused campaign strategy to enhance loyalty, reducing churn from 40% to 33% and expanding the loyal customer base.
Education
Post Graduate Diploma - Applied Statistics
Indira Gandhi National Open University(IGNOU)
Delhi, IndiaBachelor of Technology - Computer Science Engineering
Guru Gobind Singh Indraprastha University(GGSIPU)
Delhi, IndiaSkills
- Python
- SQL
- LLMs
- Prompt-Engineering/Fine-Tuning
- PySpark
- Docker
- Fast API
- Cloud(GCP, Azure, AWS)
- TensorFlow
- ElasticSearch
- AWS Lambdas
- Machine Learning
Timeline
Senior Data Scientist
Momos
05.2022 - Current
Lead Data Scientist
Yum! Brands (Acquired Kvantum)
04.2021 - 05.2022
Senior Data Scientist
Kvantum Inc.
08.2017 - 03.2021
Post Graduate Diploma - Applied Statistics
Indira Gandhi National Open University(IGNOU)
Bachelor of Technology - Computer Science Engineering
Guru Gobind Singh Indraprastha University(GGSIPU)