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Tengo is a Korean start-up app company that guarantees the fastest groceries delivery service in 10 minutes.

  • Lead the project for all the stages of inception, MVP, and Production

  • Developed the API server for the mobile apps to be integrated to manage users and orders

  • Developed the customized Warehouse Management System (WMS)

  • Developed admin dashboard to manage multiple dark stores which are the delivery dispatch points


Spire Trading Inc. provides a complete trading system for the stock exchanges worldwide. Their real-time system ensures that traders always get the most accurate market data to execute their trades.

  • Lead the project from inception

  • Developed a traders risk management admin web application

  • Learned various risk management concepts and implemented them as rules to safeguard

  • Integration with the overall trading system via API to apply risk parameter changes