Олег

OLEG DUB 📍 Lviv, Ukraine
✉ [відкрити контакти](див. вище в блоці «контактна інформація»)
Middle Front End Developer 📞 [відкрити контакти](див. вище в блоці «контактна інформація»)
Frontend Engineer with 3+ years of experience building modern, 🔗 [відкрити контакти](див. вище в блоці «контактна інформація»)
responsive, and high-performance web applications using React, 💻 github.com/IamOlegDub
Next.js, TypeScript, and Tailwind CSS.
🌐 olegdub.web.app

HARD SKILLS WORK EXPERIENCE
Core Tech GlobalLogic | Front End Developer
React Next.js TypeScript Jan 2025 – Present

JavaScript (ES6+) Lviv, Ukraine (Online)
• Developing and maintaining complex healthcare web applications for a major US
Styling & UI
client using React and TypeScript.
Tailwind CSS SCSS / CSS3 • Integrating backend REST APIs, implementing dynamic form validation, and
MUI HTML5 managing complex file/document workflows.
• Optimizing web application performance, ensuring high stability, cross-browser
State & Tools consistency, and test coverage.
Zustand Redux Toolkit • Collaborating in a cross-functional international team, participating in regular
code reviews and agile ceremonies.
React Hook Form Git

REST API Insiders | Front End Developer
Nov 2023 – Sep 2024
WebSockets
Lviv, Ukraine (Office / Remote)

LANGUAGES • Airbnb-like Rental Platform: Developed SSR feature-rich web app with
interactive MapBox integration, Zustand state management, Next-Intl
Ukrainian: Native internationalization, and PayPal API payment flow.
English: Upper-Intermediate • Real-Time AI Chat Application: Built WebSocket-based conversational interface
with Preact and AI integration for high-concurrency interactions.
CERTIFICATES • Client Management & Retention: Delivered multiple web solutions for US
Node.js Marathon clients (React, Next.js, SCSS, Tailwind) leading to long-term contract extensions
SoftServe IT Academy (10+ months) and repeat engagements.
• Custom Booking System: Client Management & Retention: Delivered multiple
WebUI Course
web solutions for US clients (React, Next.js, SCSS, Tailwind) leading to long-term
SoftServe University
contract extensions (10+ months) and repeat engagements.
React Online Marathon
SoftServe IT Academy Softpartners | Web Developer
Front-End Development Feb 2023 – Oct 2023
LinkedIn Learning Lviv, Ukraine (Remote)
• Designed and developed responsive custom web applications from scratch
using JS, SCSS, HTML5, and PHP.
• Engineered a dynamic grant-filtering system using JS accordions and built
interactive feedback modals with rating functionalities.
• Automated build pipelines, boosted site speed performance, and secured
forms with reCAPTCHA.