Mobile app development
Mobile apps for iOS and Android from a single React Native codebase: design, API integration, app store release and maintenance.
Open to new projects
SerdarBerkeÖzyaşar
Berke Özyaşar: full stack web and mobile app developer. I build apps that are live on the App Store and Google Play, corporate websites, SaaS products and trading bots.
35 projects, 17 store appsTap an icon
Companies I have worked with
From logistics to customs, a few of the companies whose apps and websites I have built.
Featured projects
All projects (35)Services
From idea to app store launch, with one person to talk to.
Corporate website development
Fast, search-engine-friendly corporate websites, multilingual and with an admin panel when needed. Built with PHP, static HTML or Next.js.
SaaS product development
Turning an idea into a working web and mobile product with sign-up, payments, subscriptions and an admin panel, backed by experience from our own products.
Barcode warehouse and handheld scanner apps
Barcode scanning with a phone camera or Android handheld scanner, inbound and outbound load tracking, Zebra label printing and integration with your existing system.
Trading bots and indicators
Expert Advisors and indicators for MetaTrader 4/5, TradingView Pine Script indicators and Polymarket bots in Python.
Automation bots
Turnkey systems that run on their own for repetitive work such as data collection, price and stock tracking, reporting and notifications.
Blog and news
Articles
- Blog · What should a logistics company website include? Notes from six projectsWhich fields does a quote form need, what are a CBM calculator and an Incoterms guide for, and what should the panel manage? Practical notes from six logistics sites.
- Blog · A website and mobile app in one package: the Skymar exampleFor Skymar Lojistik I built the website, the iOS and Android app, the backend and the store release all under one roof. What matters in a full-package project?
- Blog · An admin panel without a database: on-page editing at HATKO SolarOn the HATKO Solar site, content lives in JSON files and the team edits it by clicking the text on the page. When is this approach right, and when is a classic panel better?
- Blog · Building logistics apps with React Native: lessons from five projectsPractical notes from five mobile apps I built for logistics companies: customer apps vs. operations apps, integration, notifications and the app store process.
Latest news
Four new client projects in the portfolio: Skymar, HATKO Solar, Av-Nur, HekimoğluA website plus iOS and Android app for Skymar, and corporate websites for HATKO Solar, Av-Nur Lojistik and Hekimoğlu Lojistik, are now in the portfolio.
sberke.com relaunched: project portfolio, blog and five languagesMy personal site is live in its new form: a dedicated page for every project, service pages, a blog and news, in Turkish, English, Spanish, Chinese and Arabic.The Skymar mobile app is now live on the App StoreThe shipment tracking app I built for our client Skymar Lojistik is now live on iOS; together with the website and the Android version, the full package is complete.
The H.O.G. İzmir Chapter mobile app is live on the App StoreThe members app I built for our client H.O.G. İzmir Chapter is now live on the App Store: rides, live location, chat, photos and badges.About me in brief
I am Serdar Berke Özyaşar, known simply as Berke Özyaşar in most places. I am a full stack web and mobile app developer. I build iOS and Android apps with React Native, websites and admin panels with React and PHP, and services and bots with Node.js and Python.
For our clients I build apps and websites for logistics, customs and industrial companies; Buzmavi, Mitlog and EKA Gümrükleme are a few of them. With our team, we also develop our own products: Şantiyepro, kpss.ai and emlak.buzz.
- projects
- 35
- store apps
- 17
- site languages
- 5
Let's ship your app together.
Describe what you want to build in a few sentences. I reply the same day.