Backoffice/CRM Team.Feature requirements development with PM. Planning. Team domain level architecture decisions. Code-review.Developed and maintained many features, such as to-do and notes systems, business process automations and actions history.Established an effective process of feature discussion with PM and the team.Established a few reasonable rules for backend developers. Mostly about team work in git repositories and code review process.Modernized a code review pipeline to prevent complete rewriting of new code.Supported an initiative to unit-tests writing. There were almost no tests when I joined the company. Now, the coverage of services in the team domain is more than 70%.Golang, MySQL, GRPC, Kafka, Clickhouse, Elasticsearch, Redis

PostgreSQL, MongoDB, JupyterLab deployment and maintenance. Development of simple data aggregation and visualization applications.

Develop OSINT platform with modular data sources.Developed heuristic based partial data hiding methods. It removed visual noise from the search results.Rewrote a part of core service from python to go.Improved search time. Especially for recursive searches.Developed and maintained multipurpose web scrapping pipeline on Celery. Python, Celery, Golang, GRPC, PostgreSQL, MongoDB, RabbitMQ, Elasticsearch