● Developed an airline entertainment application 'Aero Canvas' from scratch using React, Vite, TypeScript, and FSD architecture. ● Worked on Bliss Cruise mobile app on Expo: redesigned the project, implemented new design system and customizable authentication system. ● Improved performance of the Android version, worked on QR code scanning system for entry. ● Built cache management and offline mode for the mobile application. ● Developed an e2e testing framework with Playwright. ● Applied Agentic Development practices (Claude + MCPs: Figma, ClickUp, Testrail).

● Managed a development team of 5 specialists (2 full-stack, 1 Flutter, 1 QA, 1 DevOps). ● Built development processes from scratch: introduced Agile/Scrum together with CPO. ● Migrated project infrastructure from contractor to company servers. ● Implemented and configured monitoring services: Sentry, Graylog, Prometheus, Grafana, Signoz. ● Set up code review process and established cross-review practice. ● Conducted technical interviews and hired the team from scratch. ● Performed release management across all projects. ● Handled budget planning and operational management of the IT department.

● Managed a team of 6 frontend developers. ● Conducted approximately 15 technical interviews during active company expansion. ● Managed complex releases in a legacy monorepo. ● Performed code review.

● Led a team of 3 specialists (1 full-stack, 1 frontend, 1 DevOps). ● Designed full application architecture in a monorepo based on yarn workspaces with modular architecture. ● Developed key system modules: Firebase authentication, user profile, admin panel, Indeed scraping. ● Prototyped complex features: authentication, white-labeling, video flow. ● Conducted technical interviews and built the engineering team from scratch. ● Performed code review.

● Developed new application modules: Bundles (course group sales), new video comment system, new answer types (formulas). ● Built an automated e2e testing framework on Cypress with full GraphQL mocking and WebSocket (Action Cable) support. ● Mentored junior developers, created CodeSandbox examples with explanations. ● Performed code review.

● Managed a team of 5 frontend developers. ● Designed frontend architecture for embeddable widgets from scratch: stack selection, routing, error handling, form solutions. ● Developed embeddable widgets: IX Brackets tournament table, iframe embedding module, Okta authentication. ● Collaborated with backend team on Swagger schema design. ● Conducted technical interviews and built the team. ● Performed code review.

● Developed multiple modules for the Corebine CMS: Match Center, Pitch, Roaster, and others. ● Worked with Opta data provider and Data Aggregator layer using Swagger. ● Performed code review.

● Built the 'Integrated Virtual PBX Service' project from scratch with Express backend and CRM widgets in plain JS. ● Maintained and enhanced existing projects: 'Personal Cabinet', 'Zebra Telecom' website. ● Performed code review.

● Developed a full-cycle medical startup application (appointment scheduling, patient management, physician landing page). ● Mentored a junior developer. ● Participated in phased project planning with the tech lead. ● Performed code review.

● Developed various applications in the telecommunications domain: Call Tracking, 8-800 Routing, Statistics modules. ● Maintained and enhanced the main Zebra Telecom website and 'Tet-a-Tel' project. ● Performed code review.

● Developed corporate solutions based on the Bitrix CMS for oil companies. ● Periodically performed the role of Scrum Master.

● Developed a custom CRM system using ExtJS 4 for mid-sized business. ● Enhanced existing projects built on Joomla, WordPress, Drupal.

● Worked on enhancements for Joomla, WordPress, and Drupal projects.