Mass on the frontend, weight on the backend. Somewhere in between — too many JSON objects flying around.Available for interesting problems and good compensation🚀 Key Expertise:• Frontend: React 18/19, Next.js, TypeScript, JavaScript• Backend & Databases: Golang, Node.js, PostgreSQL, Redis, ClickHouse, Kafka• State Management & Data Fetching: Redux Toolkit, Zustand, MobX, React Query• DevOps & Infrastructure: Docker, AWS, GitLab CI/CD, Jenkins, nginx, Grafana• Testing: Jest, React Testing Library, Cypress, Vitest• Architecture & Tools: FSD, Monorepo (TurboRepo), REST APIs, GraphQL, WebSocket, Vite, ElasticSearch, Micro-frontends (Webpack 5 Module Federation)• AI: Cursor, Claude, MPC💼 Domain Experience:FinTech · Banking · B2B SaaS · Enterprise Software · High-load Systems🌐 Languages:Russian (Native) · English (C1 Advanced)