Hello, I'm

Chaitanya Parsana

ML/AI Engineer

Teaching algorithms to predict what you'll love before you know it yourself

Chaitanya Parsana

About Me

Transforming data into intelligent solutions

Professional Journey

Results-driven, product focused ML Engineer who thrives on solving complex personalization challenges at scale while pushing the boundaries of what is possible with emerging AI technologies. Known for architecting robust, maintainable systems that transform ambitious product visions into reality.

Expertise spans the entire ML life cycle from research prototyping to production deployment on streaming platforms serving millions of users. Currently based in San Francisco, consistently identifying opportunities to leverage cutting-edge capabilities for enhanced user experiences and measurable business impact.

2021-Present

Senior ML Engineer @ Paramount Plus

Leading personalization initiatives across 9 global regions, architecting scalable ML platforms that serve 50M+ users with 99.9% uptime.

2019-2021

Data Scientist @ Peapod Digital Labs

Built recommendation systems driving $5M+ additional revenue while leading customer analytics for 7M+ users.

2018-2019

IT Consultant @ University of Pittsburgh

Optimized digital strategies for 100+ small businesses, generating measurable customer acquisition increases.

Core Philosophy

I believe in building ML systems that not only solve technical challenges but create meaningful user experiences. My approach combines rigorous engineering practices with deep product intuition, ensuring every model deployed contributes directly to business outcomes and user satisfaction.

50M+

Users Impacted

35%

Engagement Increase

9

Global Regions

Professional Experience

Building AI systems that scale to millions

Senior Machine Learning Engineer

Paramount Plus

San Francisco Bay Area
Aug 2021 - Present Current
MLOps Architecture

Architected monorepo-based ML platform serving 10+ MLEs, reduced model-to-production time from weeks to days across 9 global regions

Personalization Systems

Developed transformer-based sequential recommender increasing user engagement by 35% and driving subscriber retention

Intent-Based Carousels

Built "Jump Back In" and "While You Were Away" experiences for 50M+ users, resulting in 20% increase in content consumption

MLOps Transformation

Supported technical transition from batch to online serving, improved recommendation refresh frequency, enabling real-time personalization and opening doors for bandits and RL

A/B Testing & Optimization

Conducted 20+ A/B tests collaborating with product teams to refine algorithms, achieved measurable engagement improvements while maintaining 99.9% system uptime

Data Scientist

Peapod Digital Labs (Ahold Delhaize)

Quincy, MA
Jul 2019 - Aug 2021
Recommendation Systems

Built ALS collaborative filtering and BERT-based algorithms, driving $5M+ in additional e-commerce revenue

Customer Analytics

Led team of 3 engineers developing segmentation models for 7M+ customers across 5 brands, improving campaign effectiveness by 40%

Experimentation Framework

Developed standardized A/B testing infrastructure using frequentist and Bayesian analysis methods, reduced experiment analysis time by 60%

MLOps Implementation

Established ML model lifecycle management procedures and monitoring systems, improving model reliability by 50%

IT Consultant

University of Pittsburgh Innovation Institute

Pittsburgh, PA
Feb 2018 - Jul 2019
Digital Strategy

Optimized online presence for 100+ small businesses, generating measurable increases in customer acquisition

Skills & Expertise

Technologies that power intelligent systems

Machine Learning

TensorFlow
PyTorch
Transformers
Recommendation Systems
Generative Models
Reinforcement Learning

MLOps & Infrastructure

Kubernetes
Docker
GCP
Model Management/MLflow
Ray
Argo Workflows
Azure ML
Feature Stores

Programming & Analytics

Python
SQL
Java
A/B Testing
Product Analytics
Microservices
Pandas
NumPy

Data & Tools

BigQuery
Spark
Snowflake
Tableau
Git/GitHub
Airflow
Pants Build
Looker

Education and Training

Master of Science, Information Science

University of Pittsburgh | 2019

Pittsburgh, PA

Bachelor of Technology, Computer Engineering

NMIMS University | 2017

Mumbai, India

Awards & Recognition

Harvard Diplomacy Award

WorldMUN, Montreal, Canada | 2017

CIMA National Finalist

Global Business Challenge, India | 2015

Beyond Tech

Yoga & Meditation

500 Hour trained Instructor

Martial Arts

1st Dan Black Belt in Taekwondo

Additional Achievements

Leadership

Mentored junior ML engineers and cross-functional teams in personalization system development

Global Impact

Successfully expanded personalization features to new international markets concurrent with platform launches

Innovation

Integrated Generative AI and pre-trained embeddings to enhance metadata accuracy and content discovery

Recognition

CIMA National Finalist (Global Business Challenge 2015), Taekwondo 1st Dan Black Belt

Mentorship & Teaching

Certified 500-hour Yoga Instructor, actively mentoring junior engineers and conducting ML workshops for cross-functional teams

Technical Publications

Contributed to internal ML engineering best practices documentation and presented at company-wide tech talks on personalization systems

Let's Connect

Ready to build the future of AI together?

Get In Touch

I'm always interested in discussing new opportunities, innovative projects, or just connecting with fellow AI enthusiasts. Whether you're looking to collaborate on cutting-edge ML solutions or want to chat about the latest in personalization technology, I'd love to hear from you.