Aarna Tyagi

- Worked on Apache SystemDS, an open-source large-scale machine learning and data processing framework used for analytical workloads. - Implemented performance optimizations and refactored Java-based execution pipelines to improve efficiency on data-intensive tasks. - Identified computational bottlenecks in complex workflows and proposed scalable engineering solutions.

- Developed and optimized backend application modules using Java in a production engineering environment. - Improved application reliability through debugging, testing, and version control using Git. - Worked with cross-functional teams, following structured development workflows and deadlines.

- Built and evaluated end-to-end ML classification pipelines in Python. - Designed reusable data preprocessing and feature extraction components. - Strengthened skills in debugging, model evaluation, and technical documentation.