Владислав

Vladyslav Mamotenko FRONT-END DEVELOPER

Odesa, Ukraine • [open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • LinkedIn • GitHub • Telegram

SUM MA RY
Front-End Developer with 2+ years of commercial experience building scalable SPA applications using
React and TypeScript. Key contributor to complex frontend systems, including transactional
workflows, payment modules, and real-time data interfaces. Focused on performance, maintainability,
and product stability.

EX PERIENCE
Quanta Technology | Front-end Developer | 01/2025-Present
• Acted as a key contributor to the frontend codebase, owning implementation of major product
features and supporting long-term stability of the production application.
• Participated in migration to feature-based architecture, improving codebase scalability,
maintainability, and speed of new feature development.
• Built complex bulk asset management workflows with multi-step selection logic, dynamic filtering,
and large dataset interaction
• Implemented complex payment processing workflows with multiple transaction scenarios, including
cryptocurrency payments and internal platform transfer operations.
• Developed real-time market data monitoring modules for tracking prices, statuses, and user
positions with continuous frontend state synchronization.
• Developed comprehensive unit test coverage for critical user flows, reducing code review iterations
by nearly 50% and improving release stability.

Insiders | Front-end Developer | 04/2024 — 12/2024
• Built and enhanced major user-facing product modules, contributing to smoother core workflows and
long-term frontend scalability.
• Improved initial application performance through frontend optimization techniques, significantly
reducing first-load time and unnecessary rendering overhead.
• Built user profile management module with image upload, validation, and file processing workflows.
• Developed reusable UI components and unified form patterns, accelerating development of new
product pages and improving interface consistency.
• Implemented complex list management interfaces with filtering, sorting, pagination, and structured
data handling for large content volumes.
• Introduced automated linting rules and unified code style conventions, reducing repetitive code
review comments by nearly 50% and improving overall development consistency.

S K IL LS
• Frontend: JavaScript (ES6+), TypeScript, React, HTML, CSS
• State & Data: Redux Toolkit, Zustand, TanStack Query, Axios
• UI & Styling: Tailwind CSS, MUI, Chart.js, Styled Components
• Testing: Jest, React Testing Library
• Tools: Git, Webpack, ESLint, Prettier, Figma
• Languages: English (B1)

EDUCATION
Computer Academy IT Step Academy, Odesa — Front-end Development