• Led payments orchestration integration project using Ruby on Rails for card data tokenization that shipped to production, saving hundreds of thousands on PCI-DSS compliance costs

• Led mission critical payment processor API upgrade and architected asynchronous processing unlocking ACH payments, saving $4 million on processing costs, leading team collaboration

• Implemented automated handling for chargebacks; authored and executed script moving $80,000

• Co-led project implementing a points expiration system using Ruby on Rails, reducing company cost liability by $200,000; shipped early with no downtime in continuous collaboration with stakeholders

• Led a 5-member tiger team to address gaps in users' data from iOS libraries, restoring data accuracy to 100% by modernizing legacy code

• Integrated OneTrust for CCPA compliance, automating “Right to Know” and “Right to delete” data privacy requests in close collaboration with product, saving the team over 4 weeks of manual work

• Improved application performance by 10-15% via refactoring and monitoring API endpoints, identifying N+1 queries in PostgreSQL, enhancing the main card view in the mobile app

Assignment: Lead Software Engineer, OneMain Financial - Chicago, IL (Remote) — 2020–2021

• Mobile engineering: native iOS application using Swift 4.x and Storyboards

• Rewrote navigation engine to MVVM-C pattern unlocking deep linking and increasing user engagement

• Greatly improved app logic according to SOLID principles, best practices for iOS/Swift codebases

• Spearheaded implementation of consistent code styling, class responsibilities/boundaries resulting in less developer cognitive complexity

• Led migration from SQS to open-source RabbitMQ, eliminating service costs; became internal RabbitMQ subject matter expert

• Created a microservice to ETL restaurant data into Elasticsearch to improve search results and UX

• Led implementation of web-to-app transfer of a user’s cart, increasing mobile user retention

• Spearheaded documentation of 100% of existing REST API endpoints on Rails monolith garnering multiple accolades from other engineers