Роман

STRYKIVSKYI ROMAN
Full Stack Developer (React/Node.js)
Email: [open contact info](look above in the "contact info" section)
GitHub: https://github.com/RomanPie2020
LinkedIn: [open contact info](look above in the "contact info" section)
SUMMARY
Full Stack Developer with 3+ years of commercial experience building web and mobile
applications. Strong hands-on experience with React, Next.js, React Native, Node.js,
TypeScript, and NestJS across frontend and backend development. Experienced in
building REST APIs, authentication, real-time features, and scalable applications using
PostgreSQL, MongoDB, and Redis, with a strong focus on clean code, testing, and
maintainable architecture.

SKILLS
Programming Languages: JavaScript (ES6+), TypeScript
Frontend Development: React, Next.js, React Native (Expo), Redux Toolkit, RTK Query,
TanStack Query, Zustand, Tailwind CSS, React Hook Form, Zod, Framer Motion,
WebSockets, WebRTC, WebView, Reanimated
Backend Development: Node.js, NestJS, Express.js, REST APIs, Socket.io,
Authentication & Authorization (JWT, Google OAuth, RBAC), PostgreSQL, MongoDB,
Redis, Prisma, TypeORM
Testing: Jest, React Testing Library, Playwright, Supertest, Maestro
Tools & Infrastructure: Git, Docker, Docker Compose, Vite, Firebase, UpTrace,
RevenueCat, AWS S3, EAS
EXPERIENCE
TenThousand | May 2024 - March 2026
Full Stack Developer — (Domain: Fitness, iGaming)
Developed a feature-rich application with complex authentication, real-time GPS
tracking, deep linking, and invitation workflows.
Built reusable, strongly typed frontend components and optimized rendering, image
loading, and overall application performance.
Contributed to backend development by designing REST APIs and business logic with
Node.js, Express.js, and NestJS, working with PostgreSQL and MongoDB.
Collaborated in a Kanban startup team, participating in feature planning, code reviews,
testing, debugging, and production deployments.
NDA (contract) | January 2026 - August 2026
Full Stack Developer — Startup Project (Domain: Education)
Developed a cross-platform mobile application with React Native, NestJS,
PostgreSQL, and Firebase, working across the full stack.
Built key product features including authentication, calendar/event management,
customizable focus timer, notifications, and user engagement systems.
Integrated RevenueCat for subscriptions, multiple plans, and free trials.
Implemented automated unit, integration, and E2E testing using Jest, React Native
Testing Library, Supertest, and Maestro.
EDUCATION
2021 - 2025 | Lviv Polytechnic National University
Bachelor of Computer Science - Software Engineering

ADDITIONAL INFORMATION

Ukrainian: Native
Russian: Advanced (C1)
English: Upper-Intermediate (B2)