Major language: Golang

Major language: PHPAbout the project:• Callback and call tracking serviceMy tasks:• Creation of an analytics service• Support for callback modules• Development of new components according to customer requests• Rewriting the component for sending webhooks to clients• Integration of the callback service and call tracking with third-party services such as Yandex.Metrica or Facebook Lead Ads (support for current components and improvement of… Show more Major language: PHPAbout the project:• Callback and call tracking serviceMy tasks:• Creation of an analytics service• Support for callback modules• Development of new components according to customer requests• Rewriting the component for sending webhooks to clients• Integration of the callback service and call tracking with third-party services such as Yandex.Metrica or Facebook Lead Ads (support for current components and improvement of functionality)• Conducting a Code ReviewMajor projects implemented from scratch:Analytics service (server side)Implemented- A service that allows you to process requests from all client sites (average daily load ~ 1000 RPS)- Data storage based on the ClickHouse DBMS, which made it possible to quickly generate analytical reports of any complexity.- Integration with advertising accounts of clients in Yandex.Direct. This solution allowed clients to evaluate the cost of a callback or call-back conversion in the call tracking system, as well as evaluate the effectiveness of advertising campaigns.- An anti-fraud system that allows you to evaluate whether the visitor was a living person (the statistics of some clients "spoiled" due to search robots or so-called headless browsers)Webhook sending systemPeculiarities:- The main condition was the guarantee of sending the webhook to the client before and after the call. A new scheme was written from scratch, which allows you to send notifications in any format upon a call. Based on this component, new integrations with third-party web services were implemented.- Using RabbitMQ as an event queue for sending webhooks. Show less

Major languages: Javascript and PHP Development of the DSP platform of the RTB systemMy regular tasks:- Creation of admin panels for working with the developed platform (server and client side).- Participation in product testing and new developments.- Creation of an expert system for the purchase of advertising (the ability to set the rules by which the bid per impression will change).- Using machine learning to increase the effectiveness of advertising campaigns… Show more Major languages: Javascript and PHP Development of the DSP platform of the RTB systemMy regular tasks:- Creation of admin panels for working with the developed platform (server and client side).- Participation in product testing and new developments.- Creation of an expert system for the purchase of advertising (the ability to set the rules by which the bid per impression will change).- Using machine learning to increase the effectiveness of advertising campaigns through the use of extensive historical data.- Preparing the product for global market entry. Show less