Konstantin Babushkin

Owned end-to-end delivery across a distributed peer-to-peer cache between ML training jobs and S3-compatible object storage: Python SDK, gRPC control plane, production AWS and the React dashboard, from architecture through deploys and on-call.
• Performance: cut dataset-export time 6.5x (161 s to 25 s) and eliminated every S3 request after the first pull, benchmarked on a 2x A5000 GPU cluster.
• S

Frontend rewrite for a six-restaurant chain in Saint Petersburg: moved the customer-facing storefront from Nuxt/Vuex to Next.js 16 with the App Router and standalone SSR.
• Scope - 23 routes, 47 components: menu catalogue, dish and restaurant pages, search, cart and checkout, personal account, table booking.
• New capabilities - per-dish modifiers carried through to the order (the previous site ha

Frontend engineer on two client products, side by side: a booking platform for a beauty salon chain and an e-commerce site for a restaurant.
• Booking platform - onliner.tr: appointment scheduling flows, Google Maps integration, analytics dashboards, and SEO.
• Component library - 120+ reusable UI components shared across three different panels: client, service-provider and admin.
• Restaurant sit

Frontend engineer on a multi-role SaaS platform for Twitch monetization, serving 100K+ streamers, 10K+ Twitch creators and 80+ brands across 400+ ad campaigns.
• Platform - dedicated dashboards and flows for streamers, advertisers, agencies and administrators.
• API refactor - unified how the frontend called ~140 backend endpoints across 6 role modules into a single declarative config (path/method

Led environmental engineering projects before transitioning to software development through Yandex School of Data Analysis (2022).

Completed the Web Developer course, gaining hands-on experience in frontend (HTML, CSS, JavaScript, React) and backend (Node.js/Express, Mongo DB/Mongoose) development, as well as deployment on Yandex Cloud with Nginx and PM2.