Stefan Stoyanov - Front-End developer - GIMO LTD

Summary

Front-End Developer with 2+ years of professional experience building scalable and high-performance web applications using React, Next.js, and TypeScript.

Experienced in real-time data integration with WebSockets, state management with Redux, unit testing with Jest, and REST API integration. Skilled in delivering production-ready features in Agile environments, with focus on maintainable code, performance optimization, and user experience.

Worked on high-traffic online gaming platforms, collaborating with cross-functional remote teams using GitLab, Docker, and modern frontend workflows.

Currently relocating to Bulgaria and seeking a Front-End / JavaScript Developer role where I can contribute with hands-on production experience and continue to grow in a strong engineering environment.

Overview

2

years of professional experience

Work history

Front-End developer

GIMO LTD

London, City of London

2024.04 - Current

(Remote)
Belgian Online Casino Platform – 777.be
April 2024 – June 2025

• Developed and maintained core features for a high-traffic online casino platform using Next.js and TypeScript
• Integrated REST APIs and handled dynamic data rendering across multiple pages
• Improved UI performance and optimized component rendering
• Worked in Agile environment with distributed team
• Used GitLab for version control and CI/CD workflows
• Collaborated closely with backend developers and QA team

(Remote)
Universal Casino Project
June 2025 – Present

• Built scalable UI components using React, Next.js, and Tailwind CSS
• Managed application state and data flow in complex user interactions
• Implemented reusable components and improved code maintainability
• Worked with REST APIs and ensured smooth integration with backend services
• Used Docker for local development environments
• Contributed to performance optimizations and faster page load times

Education

Certificate of Higher Education - Web Development

SoftUni

Sofia

Higher National Diploma - Insurance

Tsenov Academy of Economics

Svishtov

Skills

Frontend:
JavaScript (ES6), TypeScript, React, Nextjs, HTML5, CSS3, SCSS, Tailwind CSS

State Management:
Redux, Context API

Backend & APIs:
Nodejs, REST APIs, WebSockets, Firebase

Testing:
Jest, Unit Testing

Tools & Workflow:
Git (GitHub, GitLab), Docker, Postman, NPM, Webpack

Other:
Performance Optimization, Responsive Design, Agile/Scrum, AI tools & agents

Projects

DV Auto Repairs Platform (Next.js, TypeScript, Tailwind)
• Developed a production-ready, SEO-optimized single-page application using Next.js (App Router) and TypeScript
• Implemented bilingual support (EN/BG) with custom i18n solution without external libraries
• Built reusable UI components and optimized rendering using Server and Client Components
• Improved performance and SEO with structured metadata, sitemap, and optimized assets
• Implemented responsive mobile-first design with dynamic navigation and smooth scrolling
• Integrated testing with Vitest and React Testing Library
• Configured CI/CD pipeline using GitHub Actions and Vercel deployment
• Applied security best practices via HTTP headers and production configuration

Project deployed on Vercel: https://dvauto-repairs.vercel.app/

Financial Dashboard

Data-driven dashboard application for managing invoices and financial workflows.

Finance Logger

TypeScript-based application for tracking financial transactions and practicing OOP patterns.

Timeline