Welcome to my portfolio! I am Sanjai Bala (Sanjaikumar Balasubramaniyan), a passionate AI and Machine Learning engineer with a strong foundation in applied machine learning, data engineering, and analytics. With hands-on experience across research and industry, I have built impactful solutions including LLM-powered analytics tools, real-time dashboards, scalable data pipelines, and predictive modeling systems that improve decision-making. Currently pursuing my Master’s in Data Science at Indiana University Bloomington, I focus on developing intelligent systems that transform complex data into actionable insights and real-world applications.
My projects reflect a strong commitment to solving practical problems using AI and data-driven technology. From developing AI workflows that improved research and analytics efficiency by up to 40% to building an Automatic Number Plate Recognition (ANPR) system with 96% accuracy (published in an international journal), my work combines innovation with reliability. Skilled in Python, JavaScript, SQL, PyTorch, and cloud platforms such as AWS, I am dedicated to building scalable, user-focused AI solutions that create measurable impact. Explore my portfolio to see how I turn data into decisions.!
Skills
Experience
Education
July 2025 – Nov 2025
Conducted foundational research on AI-driven solutions for financial advisory, asset management, and ETF analytics, contributing to the company’s long-term AI platform strategy.
Designed and optimized large language model (LLM) workflows and prompt templates for portfolio optimization and investment research, improving analytical efficiency and decision-making accuracy.
Defined performance metrics and evaluation frameworks to benchmark early-stage AI tools, enabling leadership to track impact, scalability, and adoption across teams.
Jan 2025 - Present
Mapped funding networks for 157,000+ BIPOC nonprofit grants to analyze funding trends and relationships, Overcame data limitations with advanced retrieval techniques for comprehensive analysis.
Conducted network analysis to identify bonding, bridging, and linking patterns in grant funding, Classified grant recipients and funders by demographic focus, uncovering insights into funding equity for underserved communities.
Apr 2024 - July 2024
Built real-time Power BI dashboards, enhancing decision-making speed and visualization quality by 40% and Automated data workflows with optimized ETL pipelines, cutting data processing time by 35%.
Deployed machine learning models, boosting customer segmentation accuracy by 25% for predictive insights. Engineered scalable data solutions, enhancing cross-team operational efficiency by 30%.
May 2022 - Jan 2023
Streamlined real-time data processing by transforming datasets, improving accessibility and accuracy. Created interactive Tableau dashboards for sales, driving a 15% improvement in performance insights.
Deployed supervised ML model for diabetes risk prediction, boosting predictive accuracy in health analytics and Delivered actionable insights through data-driven solutions, supporting strategic decision-making processes.
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