-​ Migrated a monolithic CRM to modular architecture (Angular 15 + Yii2, REST API),
documented via Swagger, reducing development complexity and onboarding time
by 60%.
-​ Responsible for core CRM backend API processing client transactions, payments,
and requests, supporting business continuity and data accuracy.
-​ Upgraded legacy systems from PHP 5.6 to 7.4, improving performance and security.
-​ Built a RESTful Laravel microservice for branch data and created 6 Composer
packages, reducing integration overhead and boilerplate by 30%.
-​ Developed auto-assessed test system with AI moderation, saving ~50+ hours
monthly in manual work (profpasport.com).
-​ Synced internal user DB with Google Workspace, enabling full Gmail account
control from admin panel — saving 5+ hours of manual work weekly.
-​ Designed and delivered 30+ dynamic reports integrated into CRM, increasing sales
visibility by 40% and reducing manual report generation by 70%
-​ Boosted unit test coverage by 80%, reducing regressions and increasing overall
system reliability.
-​ Integrated 4 analytics tools, 2 auth systems & 4 messaging services (Viber,
Telegram, Slack etc.), automating client communication and data flow.
-​ Slashed average query response time by ~50% across 30+ modules through
advanced SQL optimization and indexing strategies.
-​ Integrated WebSocket, Redis & RabbitMQ to enable real-time CRM features,
enhancing UX and data consistency.
-​ Drove code quality improvements through rigorous code reviews and mentoring
junior colleagues.