Mykhailo

Mykhailo Kopylets
Frontend Developer (Angular/React)
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Cherkasy

[open contact info](look above in the "contact info" section) github.com/marvvty

Summary
Frontend developer with 2.5 years of commercial experience building production SPAs and real-time interfaces over
WebSockets. Angular is my main stack: standalone components, signals, NgRx, OnPush, SSR, RxJS. I also work in
React with TypeScript on an internal admin portal, and built the product's notification microservice on NestJS with
Kafka, PostgreSQL and Redis.

Experience
Angular Developer, Homeeho Studio 05/2026 – Present
Interior design product, pre-launch. Team of 5 (2 frontend). Microservice backend: Remote
Java/Kotlin services, NestJS, Kafka.
Full auth flow on NgRx: HTTP interceptors with token refresh, HttpOnly cookies, route
•

guards, app initializer that blocks render until the session resolves
Multi-step order flow (3 steps), server-side pagination and filtering on signals
•

Real-time notifications over WebSockets, signal-based toast system
•

Standalone components, OnPush, lazy loading, SSR
•

Internal React admin portal: set it up from scratch, now develop it with the team. React
•

+ TypeScript, React Hook Form with Zod, TanStack Query for server state, single entry
point over Portainer and Kafka UI
Built the notification microservice on NestJS (company service, not a pet project):
•

Kafka consumers for domain events, WebSocket delivery, Redis cache over
PostgreSQL, Docker-based local setup
Code review and API contracts with the backend team
•

Middle Angular Developer, Schwedenelch 04/2025 – 05/2026
Frontend of a certified auto parts platform (Dortmund, DE). Remote
Led the refactoring from a monolithic structure to a component architecture
•

Product listing: server-side pagination, search, filtering
•

Cart and checkout: reactive forms with dynamic validation, REST integration
•

Unit and e2e tests (Vitest, Playwright)
•

Code review, data contracts with the backend team
•

Junior Angular Developer, Schwedenelch 03/2024 – 04/2025
Product pages, reactive forms, filtering, shared UI components
• Remote
REST integration, RxJS-driven data flows
•

Bug fixing and support of existing modules
•

Education
Bachelor's Degree, Computer Science, Cherkasy State Technological University 09/2023 – Present
Cherkasy

Skills
Angular 17-22, React, TypeScript, JavaScript, HTML, CSS, SCSS, Tailwind, RxJS, NgRx, Signals, SSR, WebSockets,
REST API, NestJS, Kafka, Git, Docker, Playwright, Vitest

Languages

Ukrainian (native), English (B1)