Software Engineer & Full-Stack Developer based in Slovenia.

I build high-performance web platforms, developer intelligence tools, driving telematics scoring engines, quantitative backtesting systems, and browser extensions.

Portfolio Site | GitHub Repositories

• Full-Stack & Web Architecture: Next.js 16 (App Router), React 19, TypeScript, Vue 3 (Composition API), Laravel 13, NestJS 11, Express 5, FastAPI (Python 3.13+).
• Databases & Persistence: PostgreSQL, Supabase (Row-Level Security & Realtime), Prisma ORM, SQLAlchemy 2.0, Redis, SQLite.
• Developer Tools & Analysis: Static Code Analysis (Tree-Sitter, ast-grep, ts-morph, Cytoscape.js), AST security scanners, Chrome Extensions (Manifest V3).
• Quantitative, Telematics & Systems: Driving risk algorithms, Algorithmic trading & backtesting (CCXT, MetaTrader 5, Scikit-Learn), Docker Compose, CI/CD.

Multi-engine static code analysis platform for exploring symbol dependency graphs, WebAssembly AST traversal (Web Tree-Sitter & ast-grep), route mapping, and AST security auditing.

• Stack: PHP 8.3, Node.js Workers, Cytoscape.js, Web Tree-Sitter, Supabase PostgreSQL

Slovenian employment and career marketplace featuring regional taxonomy filtering, candidate management, employer analytics, and admin moderation.

• Stack: Vue 3 (Vite, Pinia), Laravel 13, PostgreSQL 16, Docker Compose

Fleet telematics and driver safety intelligence platform. Evaluates trip risk using kinematic scoring models with interactive Leaflet GPS playback.

• Stack: NestJS 11, React + Vite, React Native (Expo 51), Prisma ORM, PostgreSQL

Modular algorithmic trading engine in Python featuring historical backtesting, broker adapters (MetaTrader 5, Binance CCXT, Paper), ML signal scoring, and multi-tier risk gates.

• Stack: Python 3.13+, Scikit-Learn, Pandas, NumPy, CCXT, MetaTrader 5

Financial literacy platform and market simulator with spaced repetition (FSRS), KaTeX mathematical formulas, and classroom tools.

• Stack: Next.js 16, FastAPI, SQLAlchemy 2.0, PostgreSQL, Lightweight Charts

Private household cookbook Progressive Web App (PWA) with pantry ingredient matching, step-by-step cooking mode, and Supabase Row-Level Security.

• Stack: Next.js 16, React 19, Supabase (PostgreSQL, Auth, RLS), Tailwind CSS

Clinic waiting room management system with patient queue tracking, public TV display mode, triage dashboards, and patient QR status lookups.

• Stack: React 18, TypeScript, Vite, Tailwind CSS, Lucide, QRCode React

Privacy-focused local workout and fitness tracker with set logging, 1RM analytics, body metric tracking, and local JSON backup portability.

• Stack: React 19, TypeScript, Vite, Tailwind CSS v4, Vitest

Chrome Extension (Manifest V3) for auto enthusiasts in Slovenia to track price histories, organize saved vehicles, and evaluate price-to-mileage value.

• Stack: Manifest V3, React 18, Webpack 5, LocalStorage, Vitest

Local-first browsing time tracker and focus intervention Chrome extension with category analytics and productivity score heatmaps.

• Stack: Manifest V3, Vanilla JS, Chart.js, HTML5/CSS3, Playwright

Student finance and budgeting app for Slovenian university students, calculating net income from student work, pension contributions, and tax allowances.

• Stack: React 19, TypeScript, Tailwind CSS v4, Supabase, Vitest

Distraction-free YouTube viewing Chrome extension with timed focus lock sessions, hiding recommendations, sidebars, and comments.

• Stack: Manifest V3, Vanilla JS, Chrome Storage API, CSS3

• Portfolio: flegartech-site-main.vercel.app
• GitHub: github.com/flegardev
• Email: flegardev@gmail.com