Hi, I'm

Ranvir Virk

Building intelligent systems.
Writing about the process.
Seeing the world through a lens.

Selected Work

Projects spanning AI, deep learning, and data engineering.

ML Engineer · 2025

Olist Logistics AI

Multi-task delivery & satisfaction prediction with MMoE

End-to-end ML pipeline: DuckDB warehouse → feature engineering → Multi-gate Mixture-of-Experts (PyTorch) → ONNX Runtime serving. Predicts delivery time and customer satisfaction simultaneously from 20 engineered features.

PyTorchMMoEDuckDBONNXFastAPIMLflow
Software Engineer — AI Intern · 2025

Agentic AI Workflow @ Postman

End-to-end multi-agent system for semantic code retrieval

Architected a CrewAI + LangChain pipeline with ChromaDB vector search, reducing agent query latency by 40% and indexing 10k+ code embeddings.

CrewAILangChainChromaDBLLMsPython
ML Engineer · 2024

Safe-Feed MMoE Recommender

Multi-task learning with Mixture-of-Experts routing

Resolved cross-task gradient conflicts using MMoE architecture, boosting multi-task prediction accuracy by 4% over Shared Bottom baseline.

Multi-Task LearningPyTorchRecommender Systems
View All Projects

Latest Writing

Technical deep-dives on Medium. Life, thoughts, and experiences on the blog.

Read More

Through the Lens

Moments captured between the code.

View Gallery