Piyush K.

About Piyush K.

I’m a Microsoft Certified Power BI Data Analyst (PL-300) with 1.5+ years of experience working at the intersection of Business Intelligence, Data Science, and AI/LLM systems.I specialize in building enterprise-grade Power BI dashboards using advanced DAX, Row-Level Security (RLS), data modeling, and Power BI Service to transform raw data into decision-ready insights. Through freelance projects on Upwork, I have delivered analytics solutions for global clients across the US and Malaysia, ranging from executive KPI dashboards to fast-turnaround operational reporting.Beyond Business Intelligence, I also work with Python and SQL for data analysis, exploratory data analysis (EDA), and machine learning workflows. My experience includes data preprocessing, feature analysis, model evaluation, and deriving insights from structured and semi-structured datasets to support data-driven decision-making.Alongside analytics, I collaborate with organizations such as Volga Partners and Innodata on AI/LLM training initiatives involving data annotation, linguistic validation, prompt engineering, and model output evaluation to improve accuracy, contextual relevance, and multilingual performance. Power BI (Advanced DAX, RLS, Service Deployment) Python, SQL & Exploratory Data Analysis (EDA) Data Science & Machine Learning Fundamentals Data Modeling & KPI Automation AI/LLM Data Annotation & Prompt OptimizationI’m passionate about building scalable BI systems, applying data science techniques, refining AI outputs, and solving real-world business problems through data-driven intelligence.Open to freelance, remote, and collaborative opportunities in Data Analytics, Business Intelligence, Data Science, and AI-driven projects.

Experience

1. Prompt Engineer

   Volga Partners

   Oct 2024 — Present

   Performed AI data labeling and linguistic evaluation for Marathi language datasets to support LLM training and model improvement.• Conducted quality checks to enhance model accuracy, contextual understanding, and response reliability.• Collaborated with cross-functional teams to improve AI output performance and user experience.

Education

• Geekster

  Data Science course, Data science and AI

• Savitribai Phule Pune University

  Bachelor's degree, science

• KRT Arts, BH Commerce and AM Science (KTHM) College, Nashik

  Master's degree, Computer Application