Delivery club is the biggest food delivery service in Russia. As a senior backend developer on takeaway services I’ve done several accomplishments:Created the “reorder” option that gave essential conversions in coffee orders. The task required much analysis, innersource code integrated in many services and highload data bus updating.Designed and released PaaS for a quick launch of takeaway orders in different directions (restaurants, shops, pharmacies) based on Golang using Kubernetes, Postgre, Redis, Kafka.Made metrics and alerts using Grafana and Graylog.

Launched my own startup with a development team that made me experienced in understanding business processes and man-hour estimates. We provided IT services and developed turnkey web solutions for clients.All the development processes were built from scratch, my core responsibilities were:Development management (workflow building, metrics implementation and analysis);Designing apps architecture; Budget planning;Negotiations; ToR development.Our projects: hrka.pro (symfony, js, Elasticsearch);CRM for political elections (symfony, js); CRM for restaurants (symfony, Vue.js);Educational platform for driver training school (symfony, js);Platform for offline retail (symfony, Vue.js, rabbitmq); (QR Website with its own CMS for the state power corporation (symfony, Vue.js).

Tendertech provides financial products for small and medium-sized businesses and services such as: provision of bank guarantees, search for tenders and legal support.Core responsibilities as a Backend architect:Designed and implemented the transition of a monolithic system on Drupal to a microservice architecture based on Symfony and Golang in a fintech company;Developed services on Php (symfony) and Golang;Designed microservices using sequence schemes;Core responsibilities as a Team Lead: Organized and coordinated all the development process for several teams;Analyzed business processes and composed technical requirements for the product; Created requirements for HRs, held technical interviews.

INVITRO is one of the largest medical companies in Russia specializing in laboratory diagnostics and medical services.I took the lead role and managed the development team of 15 members. My core accomplishments were:Designed and ran a corporate portal, the new main website with 500 requests per second, and a new user account for the largest medical analysis company in Russia.Gained lots of experience working with high load, information security, and people management in this role.Created and improved the development processes. Implemented versioning, Git Flow and Kanban in the workflow.

Worked on the main website of the company with a load of 500 requests per second using PHP, launched a platform with schedules for doctors, updated the main section of medical tests;Optimized and improved selling sections;Developed a corporate file hosting service and my own inquiry system with an admin panel for content managers.

TrueConf delivers secure and easy-to-use video collaboration technology.The largest project there I took part in as a senior Php developer is an internal CRM system. The project was designed to improve transactions for the clients. The last 7 month I took the lead role at the project and managed the development team. My core responsibilities were:Front-end (CSS, HTML, JS) and back-end (Php 5.6) development;Set up and updated the web server;Created technical specifications for the project;Assigned tasks using bug tracking and monitored their execution using git;Participated in system testing;Took part in the creation of administrator and user manuals;Helped with system versions releases.My accomplishments:Integration of openssl, nginx and php to implement an authorization system using an ssl certificate;Implementation of a notification system for the employees tasks. The system took into account the user's time zone and his working hours. With the help of cron, php and phpmailer handlers, the notifications were sent to the employee, and in case of a large delay in the deadline, to his manager;Implementation of a fully adaptive interface;Creation of a flexible system of rights for working with the RBAC system;Creation of an event registration system;Support for changing interface localization using gettext and perl scripts.