Our expertise in fintech began with the development of bots for trading on the forex exchange. Then we mastered a blockchain technologies in several projects for cryptocurrency investment and trading. Currently, we are focusing on the development of banking services and payment systems. In development we use NoSQL, relational databases (RDBMS) and mathematical analysis systems. The production environment is built using Application Firewall, load balancer for web services, database replication to ensure fault tolerance and high data processing speed.