Владислав

Vladislav Oleynikov
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) OleynikovVld
SUMMARY
Flutter Developer & Full-Stack Engineer with 3+ years of experience building mobile apps and web
platforms using Flutter, NestJS, and Vue. Deliver clean architecture, responsive UIs, real-time features,
and stable performance through profiling and automated tests. Focused on creating fast, reliable user
experiences across iOS, Android, and web.
EXPERIENCE

Flutter Developer 09/2022 - 07/2025
• Developed a cross-platform mobile applications from scratch using Flutter.
• Implemented complex UI flows from Figma designs with BLoC, ensuring responsive layouts and
consistent UX across devices.
• Designed and built data layers, including REST and WebSocket clients, caching, error handling, and
retry logic for high network reliability.
• Developed local storage, offline sync, and local notifications to support stable functionality in
low-connectivity environments.
• Actively participated in debugging, performance optimization, and bug fixing to improve application
stability and enhance user experience.

Full-Stack Developer (NestJS + Vue.js) 03/2024 - 07/2025
• Developed and maintained core backend services using NestJS, including API design, server-side
logic, authentication, and database schema management (PostgreSQL + TypeORM).
• Delivered frontend features with Vue.js, implementing reusable components, optimized rendering,
and fully responsive layouts.
• Integrated third-party services (Stripe, Redis) and ensured secure data flow through proper
JWT-based authentication and access control.
• Resolved complex bugs across the stack, improving system stability and reducing operational
issues for both client and server.
• Optimized API interactions, data loading strategies, and UI performance, resulting in smoother UX
and reduced latency.
SKILLS
• Flutter, Dart, Kotlin, State Management (bloc, Provider, Riverpod), REST API, WebSocket, Local
storage, Local notifications, Unit & widget testing, Platform channels.
• Vue.js, React, JavaScript, TypeScript, HTML, Tailwind CSS; NestJS, PostgreSQL, TypeORM, REST API
design, JWT, Stripe, Redis, Insomnia/Postman.
EDUCATION

National Technical University of Ukraine 'Kyiv Polytechnic Institute'
MSc and BSc, Informatics and Computer Engineering 2020 - 2025