I turn business problems into working software.
I design and build custom software, web platforms, AI systems and digital products for businesses and independent ventures — from the first architecture decision to production.
I build systems, not just websites.
I'm Muhammed Mustafayev. I work at the intersection of software, product and business — building digital products, custom software systems and AI-powered tools for businesses and independent ventures.
My work spans corporate web platforms, admin panels, CRM systems, booking and operations infrastructure, AI automations and SaaS products.
For businesses in Turkey and Europe, I design and build not just a visible website, but end-to-end systems that directly contribute to sales, customer management, operations and growth.
I don't approach a project from a software angle alone. I analyze the business model, user needs and operational processes together to shape the right product architecture. My goal is to build products that are as commercially meaningful as they are technically strong — and actually used in real life.
Today my focus is on custom software development, AI systems, automation infrastructure and scalable digital products.
I turn ideas into working products, and complex processes into sustainable systems.
How I work
Business first
Every project starts with the actual problem — the users, the workflow, the constraints. Not the tech stack.
End-to-end ownership
Architecture, frontend, backend, integrations, admin panels, deployment. One person, the whole system.
Production over perfection
Software only counts when real people use it. I ship working systems, then improve them.
Built to operate
Clean architecture, documented decisions, and admin tools the business can actually run itself.
Core stack
Focus areas
- Custom software & business platforms
- AI systems & automation
- SaaS & independent products
- Internal tools & admin systems
- Multilingual web platforms

FAEVS
A skincare brand whose packaging opens a software product.
Cosmetics is a repeat-purchase category sold as a one-off transaction. FAEVS ships a physical serum whose QR code activates a verified 90-day cycle inside an AI advisor — so the brand keeps a relationship where competitors keep a receipt.
- $250K
- Round sought
- 3
- Live surfaces
- 9
- AI capabilities
- 90
- Day product cycle





Selected systems & products.
Client work, independent products and experimental systems I've designed and built.
Client work

RugnTravel
AI-routed travel platform that turns search into bookings.

Visa Consultancy Platform
Operating system for visa consultancy firms.

Şahinler Tercüme & Vize
Sworn translation & visa services with instant pricing.

Şahinler Recruiting
Recruiting qualified Turkish professionals for Germany.

GTÜ Prüfstelle EKO
Online booking for a German vehicle inspection station.
Products & systems
GeZLive
Real-time marketplace for live experiences.
Live inventory, real-time chat and Stripe-powered checkout. Built to handle bursty traffic on launch days without falling over.
AI Trading System
Autonomous trading agents with hard risk limits.
LLM-driven signal generation, walk-forward backtesting and live execution behind a strict drawdown ceiling and per-trade circuit breaker.
QT Trading OS
Institutional crypto trading engine written in Rust.
Multi-strategy probabilistic engine, ONNX model inference in the hot path, and a research → live promotion pipeline no strategy can skip.
WhatsApp Ops Platform
Multi-tenant operations platform running inside WhatsApp.
WhatsApp Business bot, voice-note ordering, live rate pricing and multi-tenant provisioning — a chat thread turned into an operations layer.
Honest Swing
A test harness that kills indicators which cheat.
Repaint detection, a lookahead-free swing pivot engine and an honest R-expectancy backtest. Measured 1,181 trades across 65 symbols to find out what an edge is really worth.
Kahve Atölyesi
A coffee brand's site, built by someone who works the bar.
Menu, content and hours managed without a deploy. Next.js on Firebase, designed to be edited from a phone between shifts.
ForYatım
Data layer first, feature list second.
A Next.js and Prisma product in active development. Listed here as it is — half-built, schema-first, business model not yet locked.
Claude CLI
The model where the work already is: the terminal.
A custom command-line client built on the official Anthropic SDK — streaming responses, in the working directory, inside the pipeline.
Website Builder Skill
Open source contribution — merged into the Tenfold org.
A Claude Code skill that turns a description into an animated site. Framer Motion integration and npm-based setup, contributed and merged upstream.
What I build.
Custom software & platforms
Business platforms, booking and operations systems, CRMs and admin panels — designed around how the business actually works.
AI systems
RAG, agents, copilots and LLM workflows integrated into real products, with guardrails and cost control.
Automation & internal tools
Back-office workflows, scrapers and internal tools that remove repetitive manual work.
Web platforms & digital products
Fast, multilingual, SEO-sound websites and product frontends built for production.
From problem to production.
Understand
Business problem, users, requirements and constraints.
Design
Product architecture, workflows, data and system structure.
Build
Frontend, backend, integrations, AI and infrastructure.
Ship & improve
Deployment, monitoring, feedback and iteration.
What I reach for every day.
Have something that needs to be built?
Tell me what you're trying to build, improve or automate. Two lines is enough — I reply within a day.