Storiesgain.com - Unique service of automated advertising in Instagram Stories.Introduced dev workflow (youtrack, scrum, daily meetings), task prioritization (rice/ducalis/asana)Implemented DevOps and CI/CD practices (ibm cloud, ansible, teamcity, docker, vault, sentry, fluentd, grafana, prometheus)As a frontent-dev I developed an architecture of SPA (react, redux, saga) for bloggers and advertisers.As a backend-dev I developed an architecture of billing system and faceted search. (redis, elasticsearch).Last year I’m working exclusively on a mobile application based on React Native (RN 0.63, Functional components, hooks, RNN3, Firebase, Code-Push etc. )https://apps.apple.com/ru/app/storiesgain/id1460372342https://play.google.com/store/apps/details?id=com.storiesgain

Improving the efficiency of the front office.Automation of their processes:Introduced document management, which reduced the signing of a contract from 2 hours to about 20 minutes.Implemented machine learning on the recognition of "crime"; (we cannot exchange contact information in a chat). The front office spent a lot of time tracking correspondence. Old version on regex - 60% of errors. New version on ML - 7% of errors.Synchronized site with accounting (1C-Buhgalteriya). It was not there at all.Implemented of machine learning to predict freight prices. As a result, an increase in revenue of about 600 thousand rubles per/month. (Python, Scikit-learn, Pandas).Created new app for placing an order based on react.js. Conversion to order increased by 15%. (vezetvsem.ru/booking).Developed tools for automatic ranking and linking of pages for SEO. As a result, the number of pages in search engines (Google/Yandex) increased by 30%.Created own mailing system. Like Mailchimp + Mandrill. Allows the sending of transactional and promotional letters (PHP, Laravel, Go).Led the department ~ 20 people (front-dev, back-dev, designers, QA, analytics), implemented agile methodologies (scrum).Implemented DevOps and CI/CD practices. (Ubuntu, Ansible, Vault, Docker, Swarm, Youtrack, Teamcity, ELK, Sentry, Redis, Elasticsearch).

Enhancement and maintenance of the existing web serviceImplementation of blog.vezetvsem.infoImplementation of forum.vezetvsem.infoImplementation of global APIImplementation of cargo detail page (there are many microservices inside)Implementation of SocialAuthImplementation of route calculation serviceImplementation of mass mailing system

At this time I worked as a freelancer.Create, enhancement and maintenance of affiliate partner systems: Convertit.biz, Assorti, Happycoin. Implemented of: metric aggregation system, ticket-help system, invite system, referal system.Created and maintained websites: m-egypt.ru, sms-stavki.com, esli-sily.net, itfrom.ru, stroymag61.ru, cabeltv.ru, freest.ru. I worked with such frameworks and cmf as Codeigniter, Kohana, Zend1, Symfony, Wordpress, Joomla, 1c-bitrix, ExtJS.I created parsers and grabbers of content on Perl and PHP.Many of the sites no longer work :)