A collection of projects I've worked on, ranging from web applications to open source contributions.
A deep dive into modern cryptographic primitives — ECDSA, SHA-256, ChaCha20-Poly1305, AES-GCM, Argon2id, X25519, HKDF, and more. With runnable code examples.
Open-source CLI that scaffolds production-ready Turborepo monorepos with database, auth, API, and UI wiring. Interactive prompts, preset system, and MCP server for AI agents.
Open-source zero-knowledge encryption platform with a Rust + WebAssembly crypto engine. XChaCha20-Poly1305 encryption and Argon2id key derivation — the server never sees plaintext.
B2B operations management platform for trade fair catering companies across Europe. 8 business domains, 11 subdomain apps, multi-tenant SaaS with GDPR compliance.
AI-powered recruitment ecosystem with 10 applications, 14 shared packages, and ~600K lines of code. End-to-end hiring pipeline for candidates, recruiters, and administrators.
Modern brutalist portfolio website with advanced optimizations. Next.js 16 with React Server Components, SEO, and performance monitoring.
Managed spiritual marketplace with real-time consultancy sessions. Pure API architecture with NestJS gateway, OTP authentication, and Socket.io live communication.
Professional PNG listing image generator for automotive galleries on sahibinden.com. Templates, expertise diagrams, tramer records, and high-res export.
Enterprise Resource Planning system for SMEs. Comprehensive business management suite with inventory, CRM, and financial modules.
Humidor inventory and climate tracking system for ATU Duty Free. Automated email reports, stock calculations, and humidity/temperature monitoring across store locations.
Corporate website for Heinrich Boquoi & Sohn, a German manufacturing company. Showcasing products and company information.
Mobile WMS (Warehouse Management System) for a German manufacturing facility. Real-time inventory tracking and goods receipt automation.