Information

Profile	Contacts & Description
- Name: Oleksandr Khoroshykh - Age: 23 y.o. - Gender: male - Category: Full-stack / Software Engineer	- Email: `[email protected]` - LinkedIn: link - Location: Estonia - Status: Open to work 🧑‍💻

Stack & Experience

Results-oriented Software Engineer with 4+ years of commercial experience in front-end and back-end development. Strong background in building scalable web applications, system architecture design, performance optimization, and complex integrations.

Languages table

Tech	Level
`TypeScript`, `JavaScript`	4+ years
`React`,`Redux`,`React Query`,`MUI`,`styled-components`	4+ years
`NestJS`,`Sequelize`,`Swagger`	1+ year
`PHP`,`Laravel`,`Go`, `Vue`	1+ year

TypeScript/JavaScript Experience

Strong expertise in modern frontend development using React ecosystem
Experience building scalable and maintainable architectures
Hands-on experience with:
- OAuth 2.0 authentication flows
- REST API & WebSocket integrations
- Data validation and frontend-backend communication layers
Performance optimization and working with large datasets (tables, charts, virtualization)

Databases

I have proven experience with both SQL and NoSQL databases, such as:

MongoDB - Mongoose
PostgreSQL - Sequelize
MariaDB

Additional Experience

Development of microservices using Golang
Experience with Vue.js and Laravel in production environments
Deep understanding of browser internals and web technologies
Agile methodologies: SCRUM / Kanban
Code quality principles: SOLID, OOP

Spoken languages:

English: Upper-Intermediate / B2
Ukrainian: Native / C2
Russian: Native / C2

GeezerVison

Alex PixelWinner

Achievements