Mallika Ponnada

About Mallika Ponnada

As a seasoned Power BI developer with over 8 years of experience in the IT industry, I have a strong background in SQL, data warehouse/data mart development, and the analysis of business intelligence (BI), data warehouse (OLAP), and online transaction processing (OLTP) systems. My expertise lies in analyzing and interpreting large datasets to provide actionable business solutions, developing and implementing analytical models, and integrating data from various independent sources. I am proficient in statistical analysis, hypothesis testing, data mining, data cleaning, data integration, data modeling, ETL, and data visualization.My technical skills include proficiency in MySQL (RDBMS, SQL server, PL SQL), Python (NumPy, pandas, scikit-learn), Core Java, web scraping, A/B testing, Google analytics, and web analytics. I have extensive experience in transforming business requirements into analytical models, designing algorithms, and developing reporting solutions that can handle massive volumes of structured and unstructured data.

Experience

1. Gen Ai Ml Engineer

   American Express

   Jun 2023 — Present · NY, US

   Developed an AI-powered fraud detection system and customer support chatbot utilizing GPT, Claude, and RAG techniques. • Vectorized transaction and interaction data using FAISS, Pinecone, and OpenSearch for enhanced data retrieval. • Deployed scalable LLM workflows on AWS, improving response relevance and reducing live agent workload by 30%.

Education

• GITAM Deemed University

  Bachelor's degree, Electrical, Electronics and Communications Engineering

• Cleveland State University

  Master's degree, Information Technology