Lead backend development and integration at an Asian remittance fintech. First technical hire, grew the engineering team to 20 and the company to 150. Moved over USD 50M around the world every month, without ever losing a dollar of customer money. Designed and built core runtime systems in Erlang, and a suite of backoffice applications in Python. Integrated with banks, money shops, payment companies, messenger applications, and more. Pitched to and worked with partners (including Tencent and Alipay) , regulators, customers, and internal stakeholders