Mag. Yaroslav Sotnyk

Involved in Digital Entry Control and Access System development, implementing microservice architecture, REST API, and Broker communication to enhance product efficiency and scalability. Developed UI components using React + Typescript. Managed feature architecture, and documentation and collaborated with external contractors. Expertise in Python and FastAPI, Postgres, Docker and RabbitMQ.

Specialized in real-time high available/performant fraud prevention systems. Experience with low latency transaction processing for a large-scale, durable, distributed and fault-tolerant system. Involved in the full lifecycle of a feature, from architecture decisions to development, testing, and L3 support. Ensured quality, maintenance, and seamless functionality. Expertise in C++ with boost lib, React + Typescript, and Python. In addition, involved in the hiring and onboarding process for new team members.

Was involved in development of new UI for fraud prevention tool (Safer Payments). Technologies used: Eeact/TypeScript/Redux/Saga/Jest/HTML/SAAS/css3

Worked in a young team as a junior backend python developer. For the “trello-like” project but with wider functionality was developed filter based API for chart plotting (stacked bar plots) using Django REST framework and matplotlib with pandas, API for asynchronous sending email reports with data gathered from DB (postgres, Django ORM) using celery and Django mail frameworks. All APIs and services were covered by tests

Pattern recognition, Refactoring and Testing, Web-development, Information security.