• Owned core payments and order flow as the company scaled from ~$60M to ~$240M ARR

• Migrated ~$200M in annual payment and order flow from Stripe Charges to Payment Intents, reducing fraud and refunds while improving transaction visibility

• Engineered prepaid annual phone plans to support yearly billing cycles, improving cash flow and retention

• Led backend integration for AT&T line provisioning with Ericsson, supporting our third major carrier launch

• Developed AI customer service agent (Python, Strands SDK) to automate data and roaming top-ups through LLM-based chat

• Resolved payment rate-limiting and mitigated DDoS and authentication attacks using Cloudflare and caching

• Led adoption of AI-assisted coding tools across engineering (Claude Code, Cursor) to improve developer productivity

• Developed Java Spring Boot microservices to digitally onboard suppliers to the Amex network enabling B2B spend for 13,000+ suppliers

• Expanded supplier update event streaming capabilities by building serverless functions with Kotlin and Kafka to handle the ingestion of 350,000+ updates of Amex acceptance data

• Simplified MemSQL architecture by combining pipelines and procedures to automate the ingestion of hundreds of thousands of supplier data records

• Launched a .NET application that has scanned over 300,000 files for Indian credit card data, ensuring compliance with Indian data localization laws and allowing Amex to resume issuing cards in India

• Released a file upload web application for Amex’s risk management platform using .NET and JavaScript, optimizing file processing times by 85%

• Implemented authorization policies and constructed proxy endpoints to enable key external partners to securely access Amex's APIs

• Built a custom scanning library in C# to identify attachments in Microsoft Office files, saving $10,000+ annually in licensing fees

• Developed and maintained Ormuco's IaaS web application using AngularJS, Python, HTML and CSS by resolving bugs and adding new features to improve user experience and product functionality

• Automated the installation process for backup software on Virtual Machines using AngularJS and Bash scripting, reducing installation time by 90%

• Created a VMware-to-raw image converter for Ormuco’s cloud portal, allowing clients to easily transfer their virtual machines to Ormuco’s cloud

• Developed RESTful API endpoints to manage product metadata on the platform using Python, Flask, MySQL and CockroachDB

• Designed a reusable pricing script used to automate the price setting of over 1000+ products across multiple production environments

• Designed an internal tagging tool for an e-commerce startup using Vue.js to gather ML training data

• Implemented a flagging system to resolve incomplete listings to ensure data integrity throughout the platform

• Optimized style guide lookup and tagging speed by dynamically fetching style guides from AWS S3 storage

• Tutored 10+ McGill students with custom lesson plans to provide better understanding of coursework in algorithms and data structures, software design, computer architecture and integral calculus

• Facilitated efficient study strategies by advising students on review material and answering homework questions outside of tutor lessons