Aarya Patil

ETL & Data Engineering

Jr. Analyst at ISS STOXX (2025-07 – Present)

ETL & Data Engineering

• Developed a config-driven ETL engine to process 100K+ rows of CRM and transactional data and generate client-specific reports.
• Created reusable preprocessing modules and automated configs, reducing onboarding time by 60%.
• Designed a Matcher for multi-client data reconciliation and set up Python + OracleDB pipelines for automated refresh and SIV generation.
• Delivered production-ready data pipelines based on client requirements.
• Built a RAG-based platform on 1000+ JIRA tickets (50K+ comments), reducing clarification lookup time by 60%.
• Implemented semantic search using ChromaDB, improving accuracy by 40% for rules and testing scenarios.
• Enabled multi-turn chat with session context; deployed via Docker, Kubernetes, and GitLab CI/CD, reducing release cycles by 50%.

Software Engineering Intern at ISS STOXX (2025-01 – 2025-06)

• Contributed to initial development of ETL preprocessing modules and gained hands-on experience with the Processor architecture and OracleDB integration.
• Collaborated with senior engineers to debug and optimize SQL queries, reducing average query execution time by ~20%.

Machine Learning Intern at Newel Technologies (2023-09 – 2023-11)

Bank Statements Analyser

• Standardized bank statements for 7+ banks, ensuring data consistency across sources.
• Developed a 3-level categorization of payments into 10+ economic sectors using Google Search API, DistilBERT for similarity checking, and BART classification to process bank statement narratives.

BTech in Computer Engineering & Engineering-Data Science – Sardar Patel Institute of Technology, Mumbai (2021-12 – 2025-05)

Minors in Management – S. P. Jain Institute of Management & Research (SPJIMR), Mumbai (2023-01 – 2024-12)