Ведущий Разработчик
Current- Developed a medical equipment online store and a tendering system, set up an integration with a payments system.- Participated in prolonged development of both back- and front-ends of a complex pharmaceutical provisioning system, including: -- own task queue for the project based on Rabbitmq and capable of handling a substantial number of input and output data and document files -- applying liniear programming with lp_solve for some optimization tasks required for the project business logic -- writing and optimizing transactional and complex analytical SQL queries -- creating a customized search solution based on PostgreSQL FTS and Elasticsearch -- setting up and working with monitoring systems, such as Prometheus and Graphana, Zabbix- Participated in development of a BI-like analytical system built on top of Vertica and PostgreSQL using node.js and Electron.- Helped to establish a software development process and introduce SCRUM, facilitate regular release schedule (at least once per week).Technologies used: Node.js, PostgreSQL, Elasticsearch, MongoDB, Rabbitmq, React.js, Electron, Ansible, CI/CD methodologies, Scrum