Darpan Jain | Lead Machine Learning Engineer

Work Experience Full timeline →

IoTIoT

2018

AdSparx

2019

WBD

2020

USC ISI

2022

Pixstory

2023

Crunchyroll

2024+

Lead Machine Learning Engineer Crunchyroll (Sony) · Jan 2024–Present

Personalization & recommendations for 15M+ global users; two-stage retrieval + ranking, multimodal embeddings.
Centralized AI platform: LLM fine-tuning, human feedback, metadata enrichment, multilingual synopsis.

Lead ML Engineer Pixstory · Mar 2023–Jan 2024

RAG-based conversational search in production; 72K+ monthly users. Mitigated LLM hallucination via evaluation & re-ranking.

Applied Research Engineer USC ISI · Jan 2022–May 2023

Conflict-resolution dialogue agents (DARPA); LLM-based moderation, 85% TPR, 15k+ posts; NAACL 2024.

SDE – Machine Learning Warner Bros. Discovery · Sep 2020–Aug 2021

Discovery+ personalization, A/B tests, ETL; server-side ad-insertion SDKs (Android/Web), AdTech CoE.

ML Engineer (AdSparx → Discovery) Mar 2019–Sep 2020

MiDAS: automated dynamic ad insertion in linear broadcast; 40+ multilingual channels; acquired by Discovery.

Machine Learning Engineer IoTIoT · May 2018–Feb 2019

Can Language Model Moderators Improve the Health of Online Discourse?
H Cho, S Liu, T Shi, Darpan Jain, B Rizk, Y Huang, Z Lu, N Wen, J Gratch, E Ferrara, J May · NAACL 2024

Lead Research Engineer USC Dornsife — Mind & Society · Jan 2024–Present

Evaluation system for teacher sessions (Pathways-to-Success); LLMs for fidelity assessment & real-time feedback.

ML Lead, Co-founder Defeat Covid-19 · Mar–May 2020

Non-profit: dashboards, high-risk identification, multilingual QA chatbot.

Languages: Python, Golang, SQL, JAX, Scala, Java, C++, R, JavaScript

NLP & ML: PyTorch, TensorFlow, HuggingFace, Langchain, LlamaIndex, Sagemaker, DeepSpeed, FastAPI

Deployment & MLOps: Docker, Kubernetes, Ray, Kubeflow, TorchServe, MLFlow, W&B, Terraform, Jenkins

Data & Infra: AWS, GCP, Azure, Kafka, Spark, Airflow, Databricks, Vector Stores, DynamoDB, Redis, Datadog

M.S., Electrical & Computer Engineering, University of Southern California

ML & Data Science — GPA 3.92

B.E., Electrical Engineering, University of Pune

"Darpan is one of the best people to look for when you're looking to innovate — strong in ML/AI and equally strong in people management."

— Saurabh Bhanage, Co-Founder & CEO @ Prasaurus