- Tech Lead: Architected and executed complex cross-team project-- Coordinated 11 teams, consulted PM, Management-- Successfully launched the MVP within a month, then GA in six- Mentored a team of junior- to mid-level engineers - Created and contributed to technical guidelines (RFCs)

- Created and refined new coding ability interview. It got adopted by multiple teams and saved their time by eliminating on-site code challenge and expanding other on-site segments- Conducted research that enabled quality assessment of 4K videos, and, at the same time, reduced annual AWS costs for this project by half- Performed industry-unique investigation: The performance of CloudAMQP-compatible RabbitMQ Cluster under memory pressure- Lead and delivered a high-priority cross-team epic on time, despite many technical difficulties and complex dependencies- Contributed to several Technical RFCs and process improvements

• Developed high-performance queuing Web API• Improved and maintained messaging infrastructure• Web platform development, architecture and security• Automated testing and continuous integration• Contributed to automated infrastructure platform using Ansible

• Re-architected web store platform for major European retailer• Developed highly responsive web platform using Drupal• Designed and installed fail-safe network cluster• Introduced release and deployment procedures, Scrum• Achievements: new website doubled online sales

• Maintained and contributed to BOND (Berlingske
on Drupal), high-loaded news publishing platform• Created multiple online newspaper websites• Superintended revision control and release management

• Developed online magazine using custom MVC framework• DevOps for various clients e.g., Esquire, Men’s Health• Integrated project management software• Achievements: Studio7 reached Top 10 Ukrainian web productions

• Maintained and developed local City Hall web resources• Developed multiple websites• Supervised web development team• Trained new programmers

• Developed several security and monitoring solutions• Implemented automatic fallback/recovery routing systems• Managed field service engineers

• Developed company website• Provided support and maintenance