Ritesh Ahlawat

Software Engineer at Commure

Architected high-scale payment processing infrastructure using Python/FastAPI, PostgreSQL, and Redis that processes $5M+ in healthcare payments across 9 million patient encounters, refactoring legacy system into a scalable architecture enabling real-time encounter-level posting. Designed and launched a claims reconciliation platform using React, TypeScript, and MUI that achieved 100% adoption across healthcare sites; led technical design while collaborating with ops, design, and account management teams to standardize workflows and provide real-time visibility into blocked claims. Drove development of an automated insurance detection system using Python/FastAPI in a two-person team, identifying missing coverage and resubmitting over 14k claims automatically; saved patients $1.54M in out-of-pocket costs and increased eligibility denial auto-resubmission rate from 12% to 20%.

Software Engineer at BlueCat

Created an internal Python tool that anonymizes customer databases for testing to ensure customer data remains private. Implemented a DDNS update distribution service to the core Java product and REST APIs, enhancing system reliability by efficiently distributing updates across a cluster of DNS/DHCP servers. Created PostgreSQL DB triggers to automate table partition creation, mitigating excess DB growth.

Machine Learning Research Assistant at Toronto Metropolitan University

Created a novel attention-based ML model using Python to classify gigapixel cancer pathology slides, achieving 96.39% accuracy - submitted for publication at the ImNO conference.

Software Engineer Intern at BlueCat

Implemented TLS encryption for all data sent between production servers preventing man-in-the-middle attacks.

Software Developer Intern at Ministry of Transportation

Developed and presented several deep learning models in TensorFlow and PyTorch for vehicle tracking and lane detection on government highways, leading to $1M investment in the technology.