Участие в разработке сервиса для online покупки ж/д билетовОбязанности- Построение архитектуры продукта- Проектирование базы данных для хранения информации о заказах- Проектирование и разработка веб-сервисов. Составление спецификаций API в соответсвии с OpenAPI Specification. Реализация спецификаций- Интеграции с внутренними сервисами компании и внешнимим поставщикамиС чем пришлось работатьFastAPI, Pydantic, Django, PostgreSQL, Redis, docker, git, gitlab, Sentry, Swagger

https://myraces.run - service for searching trailrunning competitions. It consits of web app (single page aplication, server side rendering), web service and competition data crawlers. Frontend: react, redux, redux-saga, material ui; backend: django + django-rest-framework, rendertron; web crawlers: scrapy. Team of 4 members.Responsibilities (founder, product owner, software engineer)- Product development, customer development- Design of database structure, API, gui for web application- Fullstack software development- Managing of development teamTechnologiesjavascript, react, redux-saga, redux-ducks, material ui; python, django, django rest framework, scrapy; Google Cloud Platform, Firebase, Google Maps API, Yandex Maps API; Sentry, Send Grid.

Участвовал в разработке веб-приложения для оценки объектов недвижимости (квартир). Отвечал за backend.Обязанности- Разработка веб-сериса для SPA- Внедрение алгоритмов поиска аналогов и оценки в веб-сервисС чем пришлось работатьPython, Flask, Marshmallow, Pandas, PostgreSQL, docker, git, gitlab, Sentry, Kibana

Responsibilities- Design of distributed geoinformation system. Development of Data Flow and UML diagrams (data modeling, component, deployment, activity).- Database design - relational database structure (PostgreSQL), document structure (Elasticsearch).- Software design and development. API design (Swagger, open api specification), UML diagrams (class, activity). Development of microservices (Django + DRF), workers (Celery), console applications and libraries (Python, C++). Interaction with UI/UX designers during work on gui of web applications.- Integration of applications via asynchronous message exchange (Apache NiFi, RabbitMQ)- IBM Spectrum Protect (TSM) administration. Creation of storage pool hierarchy, managment classes, policy domains etc.; configuration of data backup and migration.- Design of cooperation protocols between information systems.- Work planning (User Stories), management of developer teams, hiring.TechnologiesPython, Celery, Django, С++, PostgreSQL, Elasticsearch, Apache NiFi, RabbitMQ, IBM Tivoli Storage Manager (server, API, client), Linux, docker, git, gitlab, Sentry, Kibana, Swagger, Enterprise Architect, UMLAchievements- Transfer from desktop apps with direct access to databse to microservices with asynchronus message exchange.- Automatization of satellite image processing for further access via http (WMS, WMTS).- Optimization of satellite images archiving and storage by implementing IBM Spectrum Protect.- Implemented gitlab + gitflow to accumulate projects info in the only one service instead of several (jenkins, redmine, gitea, docker registry).

Participation in development of distributed geoinformation system. The main features are storage and cataloging of satellite images, distribution - shooting and processing order, deliver of products (ftp, WMS).Responsibilities- Software development and mantaince, database structure design. Serverside console apps on Linux; crossplatform libraries; desktop apps.- ISO 19115, 19115-2, 19139 standards adaptation for describing images metdata from Russian satellites.TechnologiesС++, Qt, PostgreSQL, IBM Tivoli Storage Manager (server, API, client), Linux, ssh, psql, doxygen, svn, redmine