Олексій

Oleksii Malodied
Dnipro, Ukraine | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | github.com/maloded

SUMMARY
Full-Stack Developer with 2 years of experience building production-grade web applications. Specializes in backend
microservices with Node.js, NestJS, and TypeScript — designing REST and gRPC APIs, working with PostgreSQL,
MongoDB, and Redis. On the frontend builds with React and Next.js. Delivered a cinema booking platform with
microservice architecture, Stripe payments, and full observability stack.

TECHNICAL SKILLS
Backend: Node.js, NestJS, Express, TypeScript, GraphQL, gRPC (Protobuf), REST API
Frontend: React, Next.js (App Router), Tailwind CSS, shadcn/ui, Zustand, Redux Toolkit, React Hook Form, Zod
Databases: PostgreSQL, MongoDB, Redis, BullMQ, RabbitMQ
Auth: JWT, Sessions, OTP (email/SMS), Telegram verification, RBAC
Payments: Stripe (Checkout Sessions, Webhooks, Refunds)
Infrastructure: Docker, Docker Compose, GitHub Actions (CI/CD), S3
Observability: Prometheus, Grafana, Jaeger, OpenTelemetry, Loki
Testing: Jest, Testing Library, Cypress, Storybook
Tools: Git, Swagger / OpenAPI, Prisma, Drizzle, TypeORM

PROJECTS
DedCinema — Cinema Ticket Booking Platform
Production-ready cinema booking system built with microservices architecture communicating via gRPC.
• 9 microservices: Gateway, Auth, Movie, Screening, Theater, Booking, Payment, Media (Go), Notifications
• JWT auth with OTP (email/SMS), Telegram verification, role-based access control
• Stripe Checkout integration with webhook handling, payment lifecycle management
• Full observability: Prometheus, Grafana, Jaeger (OpenTelemetry), Loki, Promtail
• Stack: Node.js, NestJS, TypeScript, PostgreSQL, MongoDB, Redis, RabbitMQ, Docker

DedStream — Live Streaming Platform
Full-stack streaming platform inspired by Twitch/YouTube Live with real-time video and chat.
• Real-time video streaming via LiveKit (WebRTC)
• GraphQL API with subscriptions for live chat
• OTP auth, Telegram verification, 2FA with QR codes
• Stack: NestJS, GraphQL, Prisma, PostgreSQL, Redis, Next.js, Tailwind CSS, Zustand

Frontend App — Production React Application
Production-grade React SPA built with Feature-Sliced Design architecture.
• Feature-Sliced Design (FSD) architecture
• Full testing setup: Jest, Cypress (E2E), Loki (visual regression), Storybook
• Multi-language support (i18next), custom Webpack 5 + Vite build configuration
• Stack: React 18, TypeScript, Redux Toolkit, SCSS, i18next, Webpack/Vite

EDUCATION
Oles Honchar Dnipro National University 2018 — 2024
Master's Degree — Aviation and Aerospace Technologies
LANGUAGES
Ukrainian: Native English: Intermediate (B1) — reading technical documentation, written communication