Muhammed Mustafayev — independent software engineer
Custom platforms for real businesses
Work across Türkiye and Europe
From product architecture to production
AI integrated into practical systems
Next.js · TypeScript · Python · Supabase
Muhammed Mustafayev — independent software engineer
Custom platforms for real businesses
Work across Türkiye and Europe
From product architecture to production
AI integrated into practical systems
Next.js · TypeScript · Python · Supabase
Open to selected projects and collaborations
Muhammed Mustafayev·Independent Software Engineer & Product Builder

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.

~/maiierik · zshlive
Client systems
Custom platforms built for real businesses
Multi-market
Work across Türkiye and Europe
End-to-end
From product architecture to production
About

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

01

Business first

Every project starts with the actual problem — the users, the workflow, the constraints. Not the tech stack.

02

End-to-end ownership

Architecture, frontend, backend, integrations, admin panels, deployment. One person, the whole system.

03

Production over perfection

Software only counts when real people use it. I ship working systems, then improve them.

04

Built to operate

Clean architecture, documented decisions, and admin tools the business can actually run itself.

Core stack

TypeScriptJavaScriptPythonSQLHTMLCSSBashNext.jsReactNode.jsFastAPITailwind CSSPostgreSQLSupabasePrismaRedisOpenAIClaudeLangChainVercelDocker

Focus areas

  • Custom software & business platforms
  • AI systems & automation
  • SaaS & independent products
  • Internal tools & admin systems
  • Multilingual web platforms
Own venture · Raising
FAEVS
$250K round open

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
Next.jsSwiftUITypeScriptSupabaseClerkNode.jsOpenAI Realtime
FAEVS store — faevs.co
FAEVS AI advisor — app.faevs.co
FAEVS iOS — daily routine
FAEVS iOS — AI advisor chat
FAEVS iOS — Beauty Passport
Selected Work

Selected systems & products.

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

Client work

Client Work · Live
https://rugntravel.com
RugnTravel

RugnTravel

AI-routed travel platform that turns search into bookings.

Next.jsTypeScriptTailwindSupabaseStripe
Client Work · Live
https://yonstudent.com
Visa Consultancy Platform

Visa Consultancy Platform

Operating system for visa consultancy firms.

Next.jsPostgreSQLPrismaNextAuthTailwind
Client Work · Live
https://sahinlertercume.com.tr
Şahinler Tercüme & Vize

Şahinler Tercüme & Vize

Sworn translation & visa services with instant pricing.

Next.jsTypeScriptTailwindVercel
Client Work · Live
https://sahinler-recruiting.de
Şahinler Recruiting

Şahinler Recruiting

Recruiting qualified Turkish professionals for Germany.

Next.jsTypeScriptTailwindVercel
Client Work · Live
https://www.gtue-pruefstelle-eko.de
GTÜ Prüfstelle EKO

GTÜ Prüfstelle EKO

Online booking for a German vehicle inspection station.

Next.jsTypeScriptTailwindVercel

Products & systems

Independent Product · In Development

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.

Next.jsSupabaseRealtimeTailwindStripe
Experimental · Private

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.

PythonFastAPIOpenAIPostgresWebSockets
Independent Product · Private Beta

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.

RustaxumPythonONNXNext.js
Private System · In Development

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.

FastifyWhatsApp APIVoice AIMulti-tenantVitest
Research · Internal Tool

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.

PythonPine Script v6BacktestingStatistics
Own Project · In Development

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.

Next.jsFirebaseTailwind
Independent Product · In Development

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.

Next.jsPrismaPostgreSQL
Internal Tool · In Development

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.

Node.jsTypeScriptAnthropic SDK
Open Source · Merged

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.

Claude CodeFramer Motionnpm
Services

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.

Process

From problem to production.

01

Understand

Business problem, users, requirements and constraints.

02

Design

Product architecture, workflows, data and system structure.

03

Build

Frontend, backend, integrations, AI and infrastructure.

04

Ship & improve

Deployment, monitoring, feedback and iteration.

Toolchain

What I reach for every day.

TypeScript
JavaScript
Python
SQL
HTML
CSS
Bash
Next.js
React
Node.js
FastAPI
Supabase
PostgreSQL
Prisma
Redis
OpenAI
Claude
LangChain
Tailwind CSS
shadcn/ui
Vercel
Docker
Stripe
TypeScript
JavaScript
Python
SQL
HTML
CSS
Bash
Next.js
React
Node.js
FastAPI
Supabase
PostgreSQL
Prisma
Redis
OpenAI
Claude
LangChain
Tailwind CSS
shadcn/ui
Vercel
Docker
Stripe
Frontend
Next.jsReactTypeScriptTailwind
Backend
Node.jsPythonFastAPIPostgres
AI / Infra
OpenAIClaudeSupabaseVercel
Start a project

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.