Description: • I was a tech lead of the team responsible for the subsystem of the CRM • Developing and maintaining microservices of the CRM system. Responsibilities • Backend development • Mentorship Achievements • Increased productivity and quality of work of our team by mentoring. Technology stack I used • Python, FastAPI, PyTest • PostgreSQL, Kafka, RabbitMQ

Description: • Developed pipelines to integrate eBay and Amazon with other marketplaces • Was a part of the team, responsible for the integration of new marketplaces • Participated in the integration of 2 marketplaces (cdiscount.com and allegro.pl) Achievements • Took an initiative to be the main driver of the integration with allegro.pl • Developed PoC and MVP for the integration with allegro.pl Technology stack I used • Python, PyTest, gRPC • MongoDB, RabbitMQ • AWS

Description • Trading automation via Interactive Brokers API • Providing a software platform for backtesting • Providing a software platform to trade via profitable strategies Responsibilities • Creating a framework to write strategies easier Achievements • Learned tricky scientific legacy code and was able to refactor a significant part of it • Participated in writing a framework to write strategies easier Technology stack I used • Python, NumPy, Pandas, Django • IQFeed