# Aidan Weber-Concannon > Software Engineer at US Mobile Location: New York, New York, United States Profile: https://flows.cv/aidanweberconcannon Backend engineer who enjoys fixing broken things and building new ones. I work on payments infrastructure, order flows, and lately AI tooling. NYC based. ## Work Experience ### Software Engineer @ US Mobile Jan 2023 – Present | New York, NY • 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 ### Software Engineer @ American Express Jan 2021 – Jan 2023 | New York, New York, United States • 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 ### Software Development Intern @ Ormuco Jan 2020 – Jan 2021 | Montreal, Quebec, Canada • 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 ### Software Engineer Intern @ Tote Inc Jan 2020 – Jan 2020 | Montreal, Quebec, Canada • 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 ### Peer Tutor @ McGill University Jan 2018 – Jan 2020 | Montreal, Canada Area • 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 ### Logistics Team Member @ Department of National Defence Jan 2018 – Jan 2019 • Collaborated with 6-person team to maintain upkeep of 1200-person Canadian military camp • Operated service ticket system to effectively and swiftly repair camp facilities ### Server @ Predator Ridge Resort Jan 2017 – Jan 2018 • Attained $1,000+ in daily sales by handling front-of-house operations of a 70 seat restaurant • Trained and educated 5+ new team members through orientation to meet organizational deadlines • Increased TripAdvisor ranking nearly 50 positions by receiving multiple 5-star guest reviews ### Armoured Soldier Reservist @ Canadian Armed Forces | Forces armées canadiennes Jan 2016 – Jan 2017 • Assisted in military exercises as member of 3-person reconnaissance vehicle crew to demonstrate local army presence • Maintained upkeep and servicing of military vehicles and equipment to ensure optimal working conditions ### Camp Counselor @ YMCA Mirabel Jan 2015 – Jan 2015 | Mirabel, QC • Organized and led a group of 30 children while implementing care plans for special needs children in group • Developed french language skills by participating in a 6-week foreign work exchange ## Education ### Bachelor of Arts - BA in Computer Science and Economics McGill University Jan 2016 – Jan 2020 ### Bachelor's degree in Economics Institute of Economic Studies, Faculty of Social Sciences, Charles University Jan 2019 – Jan 2019 ## Contact & Social - LinkedIn: https://linkedin.com/in/aidanwc - GitHub: https://github.com/aidanwc --- Source: https://flows.cv/aidanweberconcannon JSON Resume: https://flows.cv/aidanweberconcannon/resume.json Last updated: 2026-03-22