Subhankar Halder

- Finetuned Llamav2 LLMs for Jio Copilots Showcase at Meta Connect 2023 Conference

- Finetuned Llamav2 LLMs on A100 GPUs to enhance Jio Copilots chat & intent capabilities

- Employed PEFT, LORA and Supervised Fine Tuning (SFT) techniques to finetune LLMs

- Maintained BLEU & ROUGE scores while qualitatively evaluating the trained LLMs efficacy

- Converted LLMs into quantized CPU models using Llama.cpp while storing models in HuggingFace

- Deployed LLM models on GPUs using HuggingFace Endpoints, FastAPI and Streamlit

- Engineered Image Based Semantic Search leveraging CLIP model, PyTorch and Milvus DB

- Utilized OpenAI Clip, PyTorch, and MongoDB to create Similar Product Recommendations

- Utilized OpenAI GPT3.5, Word2Vec, and Vertex AI to develop Bought Together Recommendations

- Orchestrated ML Pipelines using Kubeflow and GCP Vertex AI for automated MLOps workflows

- Deployed Recommendation ML Pipelines for freshpikonline.com and gofynd.com

Pepsico Perfect Pallet & Pepsico Label Right Projects:

- Trained Yolov5 PyTorch object detection Docker models across GPUs with MAP 96% on test set

- Designed and implemented Mean Average Precision and under-sampling algorithm Python scripts

- Maintained Model Registry for deployment using Azure CLI and Azure Blob Storage

- Integrated Google Cloud Vision API for OCR and added custom ML logic to handle edge cases

- Reconciled daily and month-end Cash and Positions for D. E. Shaw MACRO trading desk

- Assisted traders with ad hoc information requests regarding portfolio exposure, roll, value dates, and P&L impact

- Collaborated with Pricing team to provide daily P&L estimates/deviations to the Traders and the Reporting team

- Collaborated with Brokers, Traders, Middle Office, and the OTC team to resolve settlement issues for FX/FI products

- Provided account allocations to Executing Brokers for MACRO strategy trades

- Investigated and rectify concerns related to MACRO trade bookings and broker-side trade file information

- Collaborated with IT to ensure smooth, efficient and fast reconciliation process

- Conceptualized and executed a documentation project highlighting the major MACRO Fin Ops operational workflows

Please Note: Arcesium was spun out of D. E. Shaw on July 1st, 2015