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Senior Software Engineer with 5+ years building production-grade mobile, web, and embedded applications across defense (ASELSAN), fintech, payment systems, and enterprise. Based in Istanbul, working globally.
From defense-grade embedded systems to consumer fintech apps β I deliver end-to-end solutions across the full technology stack.
Cross-platform mobile applications built with Flutter and React Native. From crypto trading apps to corporate payment systems, shipped to both App Store and Google Play.
Modern web platforms with React, Next.js, and Node.js. Payment dashboards, admin panels, and SaaS products built with scalable architecture.
R&D experience in defense-grade IoT solutions β smart home security, intelligent socket designs, and industrial communication protocols.
End-to-end payment system integration, POS/smart card ecosystems, cryptocurrency exchange platforms, and smart contract development.
A curated set of technologies I use daily to deliver production-grade software.
5+ years across defense, fintech, payments, and smart cities β real companies, real products, real users.
A selection of projects I've built. More available on GitHub.
Corporate prepaid benefit solution β meal (RestoPay), fuel (PetroPay), gift, accommodation cards. Real-time POS integration with smart card payment processing.
Smart home security systems, tank circuit board controllers, and intelligent socket designs. Defense-grade firmware with industrial communication protocols.
Full-featured cryptocurrency exchange app with real-time Binance WebSocket feeds, blockchain DApp integration, and secure online payment system.
Application that converts digital assets to NFTs with smart contract-powered minting, trading, and asset management on the blockchain.
Social dating application with meeting organization features. Real-time messaging, event creation, and user matching algorithms.
Intelligent transportation and geographic information system with 3D mapping, GeoJSON visualization, and ML Kit-powered data analysis.
Transparent pricing. No surprises. Pick the model that fits your project.
Ideal for ongoing support, smaller features, or technical content work.
Full commitment for product builds, sprints, or long-term collaboration.
Fixed-price for well-defined projects. We agree on scope, timeline, and deliverables upfront.
Absolutely. I sign NDAs before any project begins to ensure your intellectual property and business information stays completely confidential.
It depends on scope. A landing page takes 3β5 days. A full mobile app MVP takes 4β8 weeks. I always provide a realistic timeline before we start.
I adapt to your workflow β Slack, Teams, email, or WhatsApp for async updates, plus scheduled video calls for syncs. You'll never wonder what's happening with your project.
Yes. Most of my clients are based in the US and Europe. I'm flexible with time zones and fluent in English, so communication is never a barrier.
Every project includes 30 days of post-launch support for bug fixes and minor adjustments. Extended maintenance packages are available for ongoing needs.
Have a project in mind? I'd love to hear about it.