Олег

OLEH BILOSTOTSKYI Open portfolio

Frontend Developer with 3+ years of experience working with
React | Next.js | TypeScript.

Built SaaS and e-commerce systems including POS, KDS, kiosks, admin
panels, and client portals.
Implemented end-to-end order flows, payment integrations
(terminals, cash machines), and real-time features used in daily
operations.
Leveraging AI-assisted development to accelerate delivery,
refactoring, and problem-solving.

CONTACT INFO WORK EXPERIENCE
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
Front-end Developer React Nov 2023 - Feb 2026
Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
Address: Ukraine, Cherkasy (2yr. 4 mos.)
Go Interative
LinkedIn: Oleh Bilostotskyi
GitHub: Oleh Bilostotskyi • Worked on a SaaS restaurant platform including POS, KDS, self-service
Portfolio: Oleh Bilostotskyi kiosk, admin panel and partner portal

TECH SKILLS • Implemented full end-to-end order flow: order creation, editing, cart
management, upsells, checkout and payment processing
Core Stack: State & Data: • Built complex payment logic including multiple payment providers,
React, Redux Toolkit, split payments and fallback handling (offline mode, retry logic)
Next.js, RTK Query,
• Implemented real-time order synchronization with KDS via
TypeScript, Zustand,
JavaScript (ES6+) TanStack Query, WebSockets (order updates, statuses, kitchen workflow)
REST API, • Developed multi-device interfaces (tablet, desktop, kiosk) optimized
UI & Styling: WebSockets for high-traffic environments
Tailwind CSS, • Built and maintained admin panel features: business management,
Material UI, Tools & menu configuration, roles & permissions, reports and integrations
Bootstrap4, Ecosystem:
• Integrated delivery features including Google Maps and location-
SCSS/SASS, Git,
Styled Vite, based order handling
Components, Webpack, • Collaborated with designers and stakeholders to clarify
Framer Motion Sentry, requirements, propose solutions and improve UX before
i18n, implementation
Testing: GraphQL
Jest, (Apollo Client), Front-end Developer React May 2023 - Sep 2024
React Vercel, (1 yr. 5 mos.)
Testing Library, Firebase Positive Reset
Cypress,
• Developed and maintained websites for a multi-location clinic
Playwright Additional:
franchise
Vue,
AI & Productivity: Nuxt, • Built a custom admin panel and CRM-like system for managing
AI-assisted React Native, content, users and internal operations
development Node.js, • Redesigned and improved an existing admin panel, enhancing UI/UX
(Cursor, ChatGPT), Mapbox, • Implemented role-based access and data-driven interfaces
Structured MongoDB
• Integrated Firebase (Authentication, Firestore, Hosting)
prompting,
• Developed service listings and order/request flows
AI for debugging,
refactoring, • Refactored and improved codebase structure
code generation
Content Manager Mar 2020 - Nov 2023
LANGUAGES (3 yrs. 8 mos.)
Games web sites
Ukrainian Native
English B2
• Worked on a gaming web portal focused on publishing and
managing browser-based games
• Searched, tested, and integrated games built with HTML5, Unity, and
various emulators
• Created unique SEO-oriented descriptions for games and related
content
• Published and maintained content using Joomla CMS
• Regularly worked with HTML and CSS to adjust layouts, fix UI issues,
and customize pages
• Used JavaScript for basic logic and data handling, including
frequent use of array methods
• Managed files and deployments via FileZilla (FTP)
• Gained hands-on experience with web technologies, content
workflows, and large-scale content platforms

EDUCATION
Cherkasy State Technological University
Project Management - Master’s degree Sep 2024 - Jan 2026

Kyiv National University of Technologies and Design
Design - Bachelor’s degree Sep 2015 - Jun 2019

COURSES
GeekHub Oct 2022 - May 2023
HTML | CSS | JS | React | Redux | TypeScript | Node.js

7EEDUCATION Apr 2022 - Sep 2022
HTML | CSS | JavaScript | React

Udemy Mar 2022 - May 2022
JavaScript Full Course