As a Technical Leader I was in charge of the following during my 2 years and 5 months at Tes: - worked on CMS for Portal for Teachers, optimized site to manage high volume traffic, monitored traffic and reacted to incidents, created post-mortem notes, migrated Drupal sites from version 7 and 8 to 9; Technology: Drupal 7/8/9, Symfony, Fastly, NewRelic, Kibana logs Achievements: in 9 months migrated two Drupal8 sites into Drupal9; stabilized site performance by tweaking Drupal/Fastly cache - architected new user subscription service, created REST API, prepared migration plan to move subscriptions away from Zuora into Stripe; documented migration plan which included end-to-end testing, duplicate mitigation, load testing Technology: NodeJS, REST API, RabbitMQ, Cypress, K6, Miro, Confluence Achievements: new service was able to read subscriptions data from two various sources (Zuora/Stripe) with single source of truth, prone for third party service disruptions; - managed and lead 9-persons team, planned work for next sprints and next 2-3 quarters, mentored juniors, set short- and mid-term goals for mid/seniors; Tools: Jira, Confluence Achievements: my Team was serial winner of the best team to deliver 100%+ work planned; no leavers

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As Team Leader I was in charge of the following during my 7 years and 2 months at Autodata: - worked on portal for car workshops, integrated multiple sourced data into unified interface allowing servicemen to find car repair instructions; co-authored architecture on how to step-by-step go away from Drupal to use Laravel; Technology: Drupal 7, Laravel, REST API, XML/XSLT, Redis, PHPUnit, Codeception Achievement: my Team was able to introduce new 2-3 Laravel-based sections every 1 quarter; Achievement: improved site performance by introducing AJAX loaded sections - co-worked on new subscription plans; Technology: Stripe, Drupal, REST API Achievement: worked with other teams to deliver common goal on time - standalone ecommerce site for user subscriptions: lead planning, divided work into smaller chunks and actively worked on implementation; Technology: Laravel, React, Codeception, PHPUnit, JIRA, Confluence - managed and lead 8-persons team, planned work for next sprints and quarter, mentored juniors, set short- and mid-term goals for mid/seniors Tools: Jira, Confluence Achievements: delivered 100%+ work in each sprint

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As Lead Developer I was in charge of the following during my 1 year and 6 months: - portal for price comparison; worked and backend and frontend of the site; designed and implemented data products imports which combined offers for the same product from multiple shops; optimized site SEO Technology: Sphinx Search, PHP, cron Achievement: architected multi-sourced, non-blocking data import Achievement: architected high availability search for products with less than 200ms response times for database as large as 800.000+ products

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