Ivan Usik Email & Phone Number

Dubai, Ae

Грузия, Тбилиси

– Designing a microservice architecture – Development of microservices in Lua, Php, GoLang, Python – Quality control of DevOps / Frontend / Backend teams – Hiring team members – Design and direct development of a fault-tolerant system with clustering – Service documentation – Wrote unit and integration tests in Lua, Golang and php – Agile, grooming, demo, retro, statusesDevelopment – Development of a rotation service, RTB and price bidding on Tarantool – Development of Rest API on Laravel – Development of a queue server on Tarantool, Kafka, Async API. – Development of a service for collecting metrics in Golang – Development of a service for determining mobile operators based on MaxMind, GoLangIn total, i took part in the development of more than 15 services.Actively participated in the team on the following issues – Infrastructure design – Technology stack selection and protection – Gitlab CI/CD, GitOps, Ansible – Deployment and design stage, pre-prod, prod EnvThe main activity of the company is the Advertising network.

Moscow, Russian Federation

– Distributed system design – Development in languages: Php, Lua, GoLang, Python – Support, administration and configuration of Nginx (OpenResty), Sphinx, RabbitMQ, Redis / KeyDB, – – Php-fpm, HAProxy, Clickhouse, MongoDB services – Debugging, analysis and diagnostics of accidents in production – Improving team skills – Deployment, configuration and support of CI/CD (Ansible, Gitlab CI, Jira) – Analysis, evaluation and delegation of tasksAchievements – Transition to microservice architecture using Docker – Development of a service for collecting metrics from applications (20k rps) – Development of a commercial version of the weather API – Development of a tool to bypass AdBlock solution (Php + Lua) – IAM Development (Php) – Processing of the existing framework of the company (Php) – Development of a banner system with RT rotations (Lua) – Development of a traffic balancer using Lua / Redis / Openresty – Development of microservices on Laravel / Lumen (Php) – Development of a script for distributed task execution using zookeeper. (Python)

Responsibilities: – Planning, implementation and quality control of the IT department – Managing multiple projects – Long-term / short-term planning of the department – Formation budget of the department – Preparing monthly reports and presentations – Conducting meetings with investors both in Russian and in a foreign language – Architectural and technological control of developed solutionsAchievements: – Completely updated the entire IT department (8 backend developers, 3 frontend developers and one tester) – Designed business processes for the IT department and integrated them into Atlassian Jira – In 3 months, the product was completely refactored and rewritten to its own modules (1C-Bitrix) – In 2 months, the product was prepared for high loads, a fault-tolerant system was implemented (in Atlex Data Centers) and a balancer (in Amazon EC2), caching and database were significantly tuned and its own module for working with CDN was implemented – In 2 months, a CRM system was designed and developed for the Customer Department – Designed and implemented a new search engine for the site with about 20 dependent indicators for ranking – We connected the billing system, and also passed the certification for PCI Compliance – After 6 months, all IT employees will move to a higher level of qualification, this was facilitated by master classes, daily mini-meetings and the transition to the use of new technologies in product development

Education record

2001