Vladyslav

VLADYSLAV HALCHYSHAK
FRONTEND DEVELOPER

[открыть контакты](см. выше в блоке «контактная информация») Frontend Developer with 5 years of experience in E-Commerce, E-learning, Fintech,
[открыть контакты](см. выше в блоке «контактная информация») and iGaming. Designed responsive frontend for a bank management system,
improving user experience for internal operations. Built a casino management
LinkedIn
platform and landing page, increasing partner user engagement. Improved an e-
Telegram commerce platform’s performance by 25% through optimization and legacy
GitHub modernization. Focused on delivering high-performance, maintainable, product-
driven solutions, including integrating AI-driven features.
Broshniv-Osada, Ivano-Frankivsk
Region, Ukraine

SKILLS WORK EXPERIENCE
Frontend developer | 7Rings Gaming Jul 2024 - Aug 2025
Core Web Techonologies
JavaScript, TypeScript, HTML5, CSS3, Developed a back-office system from scratch, choosing the technology stack and
SASS, SCSS improving team efficiency by streamlining daily operations.
Migrated Telegram bot functionality into a UI dashboard for managing game
Frameworks & Libraries
releases and deployments, resulting in a 2x faster workflow and reducing manual
React, Next, React Native, Expo, Redux
task time by ~35%.
Toolkit, TanStack Query, MobX,
Developed and designed a UI panel to managing game servers.
Zustand.
UI Frameworks & Design tools Designed a landing page, improving product presentation and supporting
Tailwind CSS, Material-UI (MUI), Ant marketing and user acquisition efforts.
Design, Radix, Headless UI, Styled- Frontend developer | Neobank Nov 2022 - March 2024
Components, Figma, Storybook
Designed and maintained a monorepo with Feature Sliced Design architecture,
AI Tools & APIs building multiple financial back-office modules.
OpenAI API, Cursor, GitHub Copilot, Created landing page with metrics compliant with regulatory standards and
Locofy, Gemini, Claude, ChatGPT Atlas, CEO performance.
Prompt Engineering Integrated Locofy AI and GPT context generator tools to automate repetitive
tasks, increasing team productivity and reducing response times.
Tools & DevOps
Docker, Vite, Vercel React Developer | Soft Industry Alliance Ltd Feb 2022- Sep 2022
Testing Implemented role-based access control for different user types in an e-commerce
Cypress, Jest, Enzyme project, ensuring secure and consistent permission handling across the platform.
Improved initial page load speed by 20% through targeted performance
Other optimizations and careful maintenance of legacy code during the transition to a
Pixi JS, Node JS modern stack.
Led the migration from Material-UI v0 to v5, reducing technical debt and enabling
the use of modern, more efficient UI components.
EDUCATION Enhanced UI responsiveness by refining rendering logic and minimizing
unnecessary re-renders in key components, resulting in smoother user interactions.
NATIONAL UNIVERSITY OF LIFE AND
Frontend Developer | Ari Bildung (Upwork) Jan 2021- Feb 2022
ENVIRONMENTAL SCIENCES OF
UKRAINE Designed and implemented user interfaces with a focus on usability and
consistency, resulting in increased client visits and service orders.
Master’s Degree in Electrical Engineering
Сonducted end-to-end testing to ensure application stability. Contributed to
2019 component reusability and UI scalability across the platform.
Collaborated closely with backend developers to integrate REST APIs, improving
data handling and reducing UI-related bugs during early development stages.
LANGUAGES Wrote and maintained end-to-end (E2E) tests to ensure application stability and
Ukrainian: Native speaker prevent regressions.
English: B2 (Upper-Intermediate)
Mobile Developer | Adventyco Nov 2023 – May 2024
Contributed to the development of the mobile application using Expo | React
Native, implementing UI screens and improving navigation flow.
Built a responsive landing page to support early marketing and attract first
users.
Assisted with integration of API-driven features and onboarding logic.