Микита

Mykyta Budeichuk
React / Frontend Engineer

Summary
Frontend Engineer with 5 years of experience building high-performance, data-intensive applications.
Specialized in React with strong background in Angular and Node.js /​NestJS. Proven track record in real-time
systems, trading platforms, and complex UI architectures with focus on scalability and performance.

Skills
Frontend Backend
React
• Node.js
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Angular
• NestJS
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TypeScript
• REST APIs
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Redux
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Zustand
•
Core Strengths
RxJS
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Performance optimization
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React Native
•
real-time systems
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scalable UI architecture
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Database
PostgreSQL
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Prisma
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Experience
Frontend Engineer, Jellyfish.tech 2026 – Present
Built scalable frontend features using React and Angular in enterprise-grade
•

applications
Integrated real-time data flows (WebSockets), ensuring stable UI under
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continuous updates
Improved rendering performance of complex components, reducing unnecessary
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re-renders
Contributed to architecture decisions, improving maintainability and reducing
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technical debt

Frontend Engineer, Magnise 2024 – 2025
Developed high-load trading platform handling real-time market data streams
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Designed and implemented complex data visualization components for financial
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dashboards
Optimized rendering pipelines for high-frequency updates, improving UI
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responsiveness under load
Mentored developers and conducted code reviews, raising overall engineering
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quality

Frontend Developer, Jellyfish.tech 2021 – 2024
Zeno.PM:
Optimized task update performance (900+ items) from ~1.7s to <500ms (~3x
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improvement)
Built custom SVG-based rendering system for task dependencies
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Designed scalable architecture for data-heavy UI interactions
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VVHub:
Built reusable React + Redux component system
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 Implemented real-time features using WebSockets
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Booking App:
Developed React Native mobile app from scratch
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Defined architecture and state management approach
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Hellitrack:
Delivered production features and participated in Docker-based deployment
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setup

Frontend Developer, Inforce 2021 – 2021
Developed performant e-commerce UI using React and Redux
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Improved UX and maintainability of frontend components
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Freelance Frontend Developer 2021 – 2021
Delivered multiple client features using React ecosystem
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Backend Developer, Scalamandra 2020 – 2020
Built backend APIs using Scala (Play Framework), gaining solid backend
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foundation

Education
Applied mathematics, Yuriy Fedkovych Chernivtsi National University

Languages
Ukrainian English
Native B2

Projects
Hiking App, (In Progress)
Fullstack application (React Native + NestJS, monorepo architecture)
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Implemented secure authentication (JWT + Google OAuth)
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Building GPX analysis, route planning, and transport integration features
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Designing scalable architecture for POI system and recommendation engine
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