Position: Lead Ruby engineer
Category: Ruby
English level: upper
Years of experience: 6

* Made a plan on how to reduce infrastructure costs of over $120`000 annually
* Reduced memory usage in Redis by 5x, which saves $11`400 annually
* Optimized the algorithm of throttling from 100ms to 2ms which enabled us to scale the number of servers over 50`000. The previous algorithm allows scale only up to 1`000 servers
* Standardized a code style
* Created more than 10 integrations with third-party services like Mailchimp, Bronto, Hubspot, Shopify, Yotpo
* Started the practice of continuous code/architecture improvements
* Professional software developer with a depth of experience building driven products
* Conducted technical interviews
* Managed and led a team of 10 engineers
* Taught all level engineers
* Doing a code review for the team members
* Holding our scrum meetings like daily standups, retrospectives, plannings, etc.
* Reviewing and making pre-scoping of ideas, reviewing and planning tech-task
* Setting up CI/CD pipilines
* Optimized different algorithms and solutions (memory, speed)
* Set up AWS infrastructure (EC2, RDS, ElasticCache, MSK, etc.)
* Leading role
* Product
* High load