Regional trading platform connecting Latin American and US equity markets
IOL Inversiones operates a multi-regional online brokerage platform serving Latin America and the US, built on a .NET + React + PostgreSQL stack with Kafka and RabbitMQ for event handling. The company is actively scaling backend architecture and regional product capabilities while grappling with high transaction volumes and regulatory compliance across jurisdictions—a hiring mix weighted heavily toward senior and lead engineers signals they're moving beyond foundational work into optimization and cross-market feature deployment.
IOL Inversiones is an independent online trading platform founded in 2000, based in Buenos Aires with regional presence across Latin America. The company allows retail and institutional investors to trade equities, bonds, and other securities across Latin American exchanges and the US markets. The platform emphasizes research tools, live support, and real-time market data to support trading decisions. Operations span Argentina and Brazil, with backing from major regional brokerage firms. The company handles high transaction volumes and manages multi-jurisdictional compliance requirements (including UIF regulatory obligations), operating at the intersection of retail-led growth and institutional client acquisition.
IOL uses .NET and .NET Core for backend services, PostgreSQL and SQL Server for data, React and Next.js for frontend, React Native for mobile, Kafka and RabbitMQ for event streaming, and Redis for caching. Testing is handled via Jest and React Testing Library.
IOL Inversiones is headquartered in Buenos Aires, Ciudad de Buenos Aires, Argentina. The company also has active hiring in Brazil, indicating regional operations.
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