Hi, I'm Ihor Tereshchenko

Frontend & UI Engineer. Specializing in high-load iGaming platforms, complex betting systems, and real-time Esports interfaces.

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About me

For over 10 years, I have been engineering complex web interfaces from scratch. I specialize in building precision UI systems, highly responsive betting platforms, and data-dense admin dashboards. Continuously advancing my frontend architecture expertise in React / Next.js, focus on real-time integrations (WebSockets), robust component logic, and top-tier Core Web Vitals optimization.

10+
Years of experience
30+
Projects delivered
5
Key companies
Tier-1
Esports Broadcasts

Experience

06/2024 — Present
InsulaLabs
Lead Markup Developer
Designing markup standards (BEM, SMACSS) and CI/CD automation. Mentoring teams, code reviews, cross-browser monitoring and Core Web Vitals system optimization.
05/2023 — 05/2024
WePlay Studios
Frontend Engineer
Engineered real-time broadcast overlays, animated titles, and interactive graphics for Tier-1 Esports tournaments using React.js and GSAP with 60 FPS performance.
12/2019 — 05/2023
WePlay Studios
UI/HTML Developer
Developed dynamic broadcast-ready UI templates, stream overlays, and custom graphics widgets tailored for live production and post-production systems.
01/2017 — 10/2019
One-V LTD
Frontend Engineer
Delivered high-performance, responsive web applications using modern HTML5, CSS3, JavaScript, and jQuery with a strong emphasis on cross-browser rendering.
12/2014 — 12/2024
Everest.bet (Long-term Contractor / Retainer)
Frontend Engineer (Contract)
Development of betting platforms and admin panels built from scratch. Architected flexible UI systems, complex form engines, and high-load interactive interfaces. Drove tech stack evolution from vanilla JS & templating to React/Next.js, leading performance optimization and automated CI/CD deployment pipelines.

Featured Projects

04.1

Tech Stack

Frontend

React.js
Next.js
TypeScript
JavaScript (ES6+)
HTML5/CSS3
SCSS/SASS
Pug

State & Networking

Zustand
Redux Toolkit
WebSockets
Socket.io
REST API

Interactive & Animation

GSAP
Canvas 2D / WebGL
CSS Animation / SVG

Performance & Architecture

Core Web Vitals
SSR/SSG
GSAP / Canvas
i18n
a11y (Accessibility)
BEM / Methodology

Build & Tooling

Webpack
Vite / Gulp
Git
Vercel
Figma
ESLint / Stylelint

Workflow & Collaboration

Jira / Confluence
GitLab / Bitbucket
CI/CD Pipelines
Agile / Scrum

04.2

Languages

Ukrainian

Native

Russian

Native

English

B1 — Professional Working

Education

Master's Degree in Radio Electronics Engineering
Zhytomyr Military Institute named after S.P. Korolev
2008 — 2013 | Zhytomyr, Ukraine
CyberBionic Systematics
HTML, CSS | TP58936714 | 2017
Template Monster
HTML, CSS | 11343 | 2017

Get in Touch

Irpin, Ukraine / Brașov, Romania

Let's talk

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