Responsible for all web services, such as: GRPC backend for mobile applications, promo pages, administrative dashboard, mailer service and a web client. Successefully made migration from firebase to an internal backend. Automated translation and voicing using Amazon and Google cloud services. Worked with multiple payment providers to implement web2app conversions. Developed a custom framework using Vue 3 to build UI elements integrated and fully compatible with LLMs.

Worked with many commercial project in education field from early start. Launched international testing platform, wrote software for automatic school passes, helped university with many self-made digital services for students and teachers.

Optimized site performance from 50-60 to 98 according to lighthouse, supported legacy code, fixed many SSR-related bugs, made complex filtering in main product page with a responsive SEO. Designed and built full fledged section with promo codes.