MUSTAFA BERAT
DEMIRCI

Software Developer | Full Stack & Game DevelopmentI am a software developer who rapidly transforms ideas into prototypes, and prototypes into products. I develop modern web applications with React, Next.js, and Nest.js, and mobile/desktop games with Unity and C#.

76+Projects

45Live

45+Client Sites

FEATURED WORK

Restoart Audit

Web Apps

Restoart Audit

Offline-first mystery-shopper audit & reporting platform for Restoart Consulting.

Next.js 16React 19TypeScriptSupabase (PostgreSQL + RLS + Realtime + Storage)Tailwind CSS v4shadcn/ui+9

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Store Audit Tracking System

Web Apps

Store Audit Tracking System

Offline-first audit & reporting PWA that replaces an Excel process, tracking 12 inspection types across 9 stores.

Next.js 16React 19TypeScriptSupabase (PostgreSQL + Auth + RLS)Metronic 9 (Tailwind CSS 4)Serwist (PWA)+9

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Antique Marketplace

Web Apps

Antique Marketplace

Multi-vendor e-commerce marketplace for antique, vintage and collectible items.

Next.js (App Router)React 19TypeScriptPrismaPostgreSQL 16Redis 7+8

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Doktor App

Web Apps

Doktor App

Mobile + web patient-tracking and clinic operations platform for Doktor Vitality.

NestJSPrismaPostgreSQLReact Native (Expo)React 19Vite+9

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Fiero — Coffee Stock Management

Web Apps

Fiero — Coffee Stock Management

Branch ordering & payment inventory system with role-based auth (real client).

React 18TypeScriptViteTailwind CSSReact QueryReact Hook Form+5

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DepoTrack — Industrial Inventory System

Web Apps

DepoTrack — Industrial Inventory System

Industrial inventory & logistics command center with split field/management flows.

Next.js 15React 19TypeScriptTailwind CSS 4PostgreSQLPrisma 6+9

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Endsight — Crypto/Blockchain Landing

Web Apps

Endsight — Crypto/Blockchain Landing

AI-powered crypto-intelligence landing with blog and dynamic feature pages (final of a 4-version family).

Next.js (App Router)ReactTypeScriptTailwind CSS

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Kızılcagün — Subscriber Manager (Desktop)

Tools

Kızılcagün — Subscriber Manager (Desktop)

Portable .exe: subscriber management, newsletters, BCC bulk email and bulk SMS via Android Gateway.

Electron 39React 19TypeScriptTailwind CSSbetter-sqlite3 (WAL)TipTap+3

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SELECTED WORK

View all projects (76)

PhD Dashboard

Web Apps

PhD Dashboard

AI-powered PhD process management dashboard.

Next.js 14 (Server Actions)React 18TypeScript+13

İpbul — IP & Device Lookup

Web Apps

İpbul — IP & Device Lookup

App showing a visitor's IP, network/ISP, geolocation and device details.

Next.js 14 (API Routes)React 18TypeScript+6

Restaurant Cost Analysis

Web Apps

Restaurant Cost Analysis

Instant P/L, margin & break-even; multi-restaurant, A/B scenarios, PDF/CSV export.

React 19TypeScriptVite+4

Kızılcagün Platform — Web

Client Sites

Kızılcagün Platform — Web

Ideas-and-action community site with announcements, events and committees.

Vite 6React 19TypeScript+3

MBD Todo

Web Apps

MBD Todo

Supabase-auth task manager with a focus timer; PWA.

ReactTypeScriptVite+7

Web Apps

Multiplayer Chess (Stockfish)

Room-based real-time multiplayer chess; also play against Stockfish.

Next.js 15React 19TypeScript+7

Technical Skills

A comprehensive look at the technologies and tools I use to bring ideas to life.

Frontend & UI

Developing responsive, accessible, and interactive user interfaces with modern web technologies.

React

Next.js

TypeScript

Tailwind CSS

Framer Motion

UI Systems

Backend & Core

Robust server-side applications, API architecture, and database management.

NestJS

PostgreSQL

C#

Game & Mobile

Creating immersive experiences and cross-platform mobile applications.

Unity

Mobile Dev

Tools & Testing

Ensuring code quality, version control, and automated testing processes.

Git

Playwright

GET IN TOUCH

I am always open to new projects and collaborations. You can contact me via the form below or directly at mustafaberatdemirci@gmail.com.