Hemanth Sai Kumar Challapalli

Experience

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  Visusoft private

  Jan 2019 - May 2019

  Machine Learning Intern

  Precision Agriculture for Water Management: Developed and implemented machine learning models using Scikit-learn and TensorFlow to optimize irrigation schedules based on soil moisture and weather data, leading to water savings of 20% and increased crop yield by 15%. Collaborated with farmers to deploy the models in the field and track performance over the growing season.Integrated real-time sensor data into the models, enabling dynamic adjustments to irrigation schedules based on current environmental conditions, further enhancing water efficiency by 10%. Employed Azure IOT Hub for real-time data ingestion and processing.Used Jira for project management and tracking tasks, ensuring timely delivery and collaboration among team members. Utilized Maven for managing project dependencies and building reproducible environments. Show less

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  Visusoft private

  Aug 2020 - Dec 2022

  Data Engineer

  Implemented data cleansing and transformation logic using Spark and DBT (Data Build Tool) to improve the quality of customer financial transaction data by 30%, ensuring accurate customer segmentation and credit risk modeling.Managed data warehouse tasks using Azure Synapse and Blob Storage, ensuring scalable and secure data storage solutions. Utilized Azure Data Factory for orchestrating data workflows, reducing data processing time by 25%.• Industrialized serverless data processing pipelines using Lambda ,Glue and Step Functions to automate data ingestion and transformation tasks for financial data feeds, minimizing operational overhead and improving efficiency by 20%.• Established data pipelines with error handling and retry mechanisms using Airflow and Kafka to ensure the reliability and integrity of financial data processing, minimizing data loss to less than 1% and ensuring timely delivery of insights for investment decisions. Used Jenkins for continuous integration and Amazon Kinesis for real-time data streaming and Elastic Map Reduce is used for Distributed Dataset processing .Utilized SQS, SNS, and Event Bridge services to enhance consistency and efficiency in data processing, resulting in a 30%improvement in data quality and a 25% reduction in data errors and redundancy. Show less

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  Rowan University

  Jan 2023 - Dec 2023

  System Administrator

  Experienced Data Science System Administrator proficient in Linux system administration and data pipeline development. Skilled in optimizing data processing workflows and managing server environments for efficient data analysis. Worked on computer vision datasets and images for autoencoders and created personal RAG (Retrieval-Augmented Generation) models for project tracking and management.ENVIRONMENTS: Linux (Ubuntu), Windows Server, Python, Bash, SQL, Docker, Kubernetes, Git, MySQL, PostgreSQL, MongoDB, AWS, Azure, ELK Stack (Elasticsearch), NumPy, Pandas, Scikit-learn, TensorFlow, PyTorch Show less

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  Hybopay Inc

  Jan 2024 - Jul 2024

  AI / NLP Engineer

  My role involves developing and deploying sophisticated chatbots using Azure, which streamline loan workflows and improve efficiency for merchants and online sellers. I design and implement advanced text embedding models to enhance text classification and sentiment analysis, contributing to more accurate and actionable insights.Deployed Large LLM's like Meta llama 3 in Azure and Designed Prompt Flow for Chatbot and have Experience in designing multimodal search RAG applications Developed and deployed chatbots using Azure, enhancing customer service efficiency and user experience.Designed and implemented text embedding models for various NLP tasks, improving the accuracy and efficiency of text classification and sentiment analysis.Worked with Large Language Models (LLMs) for advanced NLP tasks, leveraging transformer architectures for superior performance in text generation and comprehension.Conducted text mining to extract valuable insights from unstructured data, improving data-driven decision-making.Utilized SQL for efficient data retrieval and manipulation, supporting various AI and analytics tasks.Implemented Spark MLlib for parallelizing machine learning models, improving processing performance by 300%.Built and deployed diffusion models in Generative AI for various applications, enhancing the capabilities of AI-driven solutions.Conducted data mapping and reviewed/defined the platform exit plan for machine learning models, ensuring smooth integration and deployment.Reviewed results with key stakeholders, gathering signoff and ensuring alignment with business objectives. Show less

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  People Tech Group Inc

  Aug 2024 - now

  Software Intern - AI Engineer

  Developed Full Stack Applications using Angular and Python to address business requirements.Worked on ExxonMobil Proof of Concept, leveraging Azure AI Search to implement custom text mapping, image captioning, and document retrieval solutions.Built and optimized image indexing and mapping systems to retrieve images based on conversational queries and document references, utilizing chunking techniques.Designed and deployed applications powered by GPT-4 Vision and GPT-4 Mini for advanced text and image understanding.Applied Azure AI Vision for generating image captions and seamless integration with text-based retrieval systems.Skills: Python, Show less