:: FULL STACK ENGINEER ::

MIKELOZINSKI

Specializing in Next.js, NestJS, MongoDB, and AI integrations. Creating robust systems with raw aesthetics.

Start ProjectGitHub
OFFICIAL ACCESS
DEV_ACCESS
Mike Lozinski
ROLE: FULL STACK

ID: 8492-LZK-01

AWS Lightsail
AWS S3
Vercel
Coolify
Cloudflare
Web Workers
VPS
SSH
CI/CD
n8n
SMTP
Resend
Email React
Git
Postman
SEO
AI Generation
Flux Pro
ComfyUI
LoRA Training
Supabase
AWS Lightsail
AWS S3
Vercel
Coolify
Cloudflare
Web Workers
VPS
SSH
CI/CD
n8n
SMTP
Resend
Email React
Git
Postman
SEO
AI Generation
Flux Pro
ComfyUI
LoRA Training
Supabase
Next.js
NestJS
TypeScript
React
Node.js
MongoDB
Prisma ORM
Docker
Nginx
REST API
NextAuth.js
Stripe
Tailwind CSS
Paddle
OpenAI API
OpenRouter
shadcn
JWT
PostgreSQL
Next.js
NestJS
TypeScript
React
Node.js
MongoDB
Prisma ORM
Docker
Nginx
REST API
NextAuth.js
Stripe
Tailwind CSS
Paddle
OpenAI API
OpenRouter
shadcn
JWT
PostgreSQL
Problem Solving
Optimization
Performance Tuning
Responsive Design
Clean Architecture
Prompt Engineering
Problem Solving
Optimization
Performance Tuning
Responsive Design
Clean Architecture
Prompt Engineering

Selected
Schematics

/// DEPLOYED_UNITS ///

AI Data Index Screenshot
FIG. 1.1 - VISUAL_OUTPUT
01Unit ID: AI-RAG-01
ACTIVE DEV

DEC 2025 - PRESENT

AI Data Index

A personalized Drive where each file gets AI-generated tags and metadata for quickly searching and retrieving.

STACK_MATRIX
NEXT.JSTAILWINDOPENAIRAG
Measure Ring Size ScreenshotINITIALIZE_LINK
FIG. 1.2 - VISUAL_OUTPUT
02Unit ID: RY-SZ-25
ONLINE

DEC 2025 - PRESENT

Measure Ring Size

A multilingual web tool that allows you to measure your ring size in different international sizes.

STACK_MATRIX
NEXT.JSVERCELTAILWINDI18N
Optimize Your Image ScreenshotINITIALIZE_LINK
FIG. 1.3 - VISUAL_OUTPUT
03Unit ID: OP-IMG-24
ONLINE

NOV 2024 - PRESENT

Optimize Your Image

A web tool for converting images to WebP format directly in the browser, without a server, using Canvas API.

STACK_MATRIX
NEXT.JSTAILWINDI18NCANVAS API
Private Game Server Design Screenshot
FIG. 1.4 - VISUAL_OUTPUT
04Unit ID: GM-SRV-01
ARCHIVED

2021

Private Game Server Design

A custom design for a private game server.

STACK_MATRIX
APACHEJavaScriptPHPMySQL

THE STACK

  • Frontend: Next.js, React, Tailwind
  • Backend: NestJS, Node.js, Express
  • Database: MongoDB, PostgreSQL, MySQL
  • Automation: n8n, Custom Scripts
  • AI: RAG Pipelines, LLM Integration, OpenRouter

About Me

I build things end-to-end, and I care about the details. With a full-stack background and a real interest in AI, I ship software that’s reliable, fast, and easy to use.

AVAILABLE FOR HIRE

SYSTEM LOGS

/// PROFESSIONAL_HISTORY_ARCHIVE ///

> EXECUTE_LOG_DUMP
UID: MKLOZINSKI
TIMESTAMP

2023

TODAY
Next.JS

Full-Stack Developer

@ ONLYJEWELS
Next.jsTailwindMongoDBExpress

Maintained an e-commerce platform. Refactored the codebase and implemented cache&indexation, which led to improve in performance. PageSpeed Insights increased by 40% daily clicks by 44% and impressions by 46%.

TIMESTAMP

2024

NOVEMBER
i18n

Software Engineer

@ OPTIMIZEYOURIMAGE
Next.jsCanvas APIi18n

Built a free online image web tool that allows users to optimize and convert their images to WebP format directly in the browser, without a server. Images can be downloaded in a single ZIP file. Middleware implemented for multiple languages.

TIMESTAMP

2021

2023
WordPress

Wordpress Developer

@ AJEDIAM
WordpressPHPJavaScript

Developed and maintained WordPress website. Built a custom theme from scratch and implemented custom plugins. Increased the number of daily clicks by 110%, page speed by 50%, and conversions by 30%.

TIMESTAMP

2021

JULY - JULY
React

Junior React Developer

@ ONLYJEWELS
ReactAdmin Panel

First role at OnlyJewels. Focused on React development, building administrative panels, and critical bug fixing to ensure platform stability.

TIMESTAMP

2020

REMOTE
Web Design

Game Website Dev

@ GAME COMPANY
InteractiveUI/UX

Remote position developing a high-impact website for a gaming company. Implemented interactive features and modern, responsive design.

TIMESTAMP

2018

2020
Freelance

Freelance Dev

@ SELF-EMPLOYED
HTML/CSSJS

Started journey as a freelance developer. Focused on frontend development, HTML/CSS mastery, and delivering responsive designs for various clients.

:: OPENROUTER API INTEGRATION ::

The Chaos
Engine

Need a new project idea? This module uses OpenRouter to generate a random, slightly unhinged, high-tech project brief tailored to my tech stack.

TERMINAL_OUTPUTIDLE
Click generate to initialize protocol...