Danila Igoshin

AI-assisted scientific research platform - React 19 - TypeScript - Vite - Zustand - Monaco - PDF.js - Yjs - Amplitude

• Build a connected research workflow spanning LaTeX/Typst authoring, compiled-document review, and AI assistance, with reliable saves and source files.
• Connect PDF.js previews and compile errors to source so scientists can review output and resolve failures within the authoring workspace.
• Implement AI research UX with per-message models, reasoning states, token usage, errors, and reusable response actions.
• Deliver analytics instrumentation, paginated admin tooling, environment-aware runtime configuration, and EN/RU localization.

Real-time support automation - Preact - TypeScript - Vite - Redux Toolkit - WebSocket - OpenAPI

• Returned to Smartway to build an embeddable support widget and ticket-management workspace with a public integration API.
• Made conversations with more than 1,000 messages render 70% faster through list virtualization.
• Migrated authentication to HMAC while preserving compatibility; added validated uploads for 15+ formats and domain routing.
• Introduced practical LLM workflows for architecture, review, and testing; wrote guidelines and trained the team.

Production EdTech MVP - Next.js - TypeScript - React Query - Zod - Strapi - Playwright - AWS S3 - Docker

• Implemented a Next.js BFF for API orchestration and validation, protected S3 media delivery, and a release pipeline with GitLab CI/CD and Docker.
• Took the product from an empty repository to a live MVP in approximately five months within a seven-month engagement: marketplace, profiles, learning progress, booking, and instructor tools.
• Automated legacy-data migration with Playwright scraping where the previous service exposed no API.

Corporate travel platform - React - TypeScript - Redux - MobX - React Query - Vite - React Native - Storybook - Jenkins

• Introduced TypeScript and completed the product-wide migration, including a custom UI library, within one year.
• Replaced Webpack with Vite for approximately 10× faster builds; made measured shopping-cart interactions approximately 3× faster through state and render restructuring.
• Built interactive expense and trip analytics; delivered full English localization and contributed to React Native product surfaces.
• Established code-quality and CI/CD practices, documented decisions, ran technical talks, and mentored three developers.

B2B e-commerce - Nuxt.js - Vue 2 - Vuex - Express - MongoDB

• Built and shipped a B2B e-commerce product as the sole developer: Vue/Nuxt interfaces, an Express REST API, MongoDB, a custom CMS, catalog, cart, orders, and production deployment.