Pawan Kalyan

Experience

• 

  Drishte®

  Jun 2021 - Sept 2021

  Machine Learning Intern

  – Created an Automated Invoice Detection Application to detect, process, and store the standalone invoices from PDFs and images.– Assisted in development of a pipeline to capture and recognize license plates from video streams, removing the need of manual monitoring.

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  Celebal Technologies

  Dec 2021 - Jun 2022

  Junior Data Scientist

  – Implemented a unique pretraining strategy for Extractive Question Answering using BERT, leveraging spans over start and end tokens, which led to an 8.5% enhancement in the IoU Score.– Streamlined Tabular QA engine latency by incorporating the TAPAS model, thereby eliminating the requirement for intermediate query generation and improving overall efficiency.– Developed a Post-Call KPI bot to track various key performance indicators, enhancing the post-call analysis and monitoring by utilizing seq2seq models. Show less

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  Celebal Technologies

  Feb 2023 - now

  – Built and deployed a sophisticated QnA Chatbot using LLMs and RAG, achieving a 93% user approval rate. Integrated real-time fund data and streaming, boosting user engagement by 65%.– Optimized data ingestion latency for PDFs/URLs by 4x via asynchronous processing, accelerating data indexing and vectorization, and substantially reducing ingestion time.– Implemented hybrid/semantic search, increasing context recall score by 9%, and developed a ReAct prompting-based agent for structured data querying, significantly diversifying the bot capabilities.– Improved ticket resolution F1-Score by 7% by implementing a dynamic few-shot learning mechanism, leading to more accurate and efficient issue resolution. Show less

  • Associate Data Scientist

    Sept 2023 - now

  • Data Science Intern

    Feb 2023 - Aug 2023