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stevkuOS V1.00

Public Domain Operating Portfolio

Directory of T:/About

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> I'm Mikolaj, I am 20 years old this year (2026) and since 2013/2014 I make some code. My first language was Java for the Minecraft plugins but I swithced to web development and started learning javascript. Now I am turning unemployment into custom-build tools.

Directory of T:/Education

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> Polish-Japanese Academy of Information Technology

Computer Science | Year I | 10.2025 - Current

> XLIII Casimir the Great High School

Biology/Chemistry | Graduated | 09.2021 - 04.2025

Directory of T:/Techstack

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> Frontend

ReactJS, NextJS, Vite, Sass, Mantine

> Backend

NodeJS (TypeScript + Express), Java (Spring), Go (Fiber)

> Databases

MySQL, PostgreSQL, MongoDB, Redis

> Tools, Ecosystem

GIT, Linux, NPM

Directory of T:/Featured/Projects

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> Endlang [OPEN]

Simple JSON REST framework with custom DSL for creating endpoints files.

> StriveMC [OPEN]

A high-performance framework for Minecraft 1.21+ plugins. Built for speed with asynchronous architecture, Redis/SQL persistence, and a zero-boilerplate API.

> NodeJS-Toolkit [OPEN]

TypeScript utility toolkit featuring strict environment management, a custom logger, and optimized HTTP clients for JSON and TOON formats.

> NodeJS-Databases [OPEN]

Universal database abstraction layer for Node.js featuring strict TypeScript wrappers for MySQL, PostgreSQL, MongoDB, and Redis with native transaction support and integrated logging.