Hash Media

About me

Mobile & Full Stack Developer | POS & Multi-Tenant SaaS Specialist | 10+ Years Experience

I help businesses build scalable, secure, and high-performance mobile and web applications, specializing in POS systems, SaaS platforms, and fintech solutions. With 10+ years of hands-on experience, I’ve delivered robust products for startups and enterprises worldwide.

Expertise includes custom restaurant/retail POS, multi-tenant SaaS platforms, booking systems, e-commerce, and finance apps. I develop cross-platform mobile apps (React Native, iOS, Android) and scalable web platforms using React.js, Node.js, and modern cloud architecture.

Strong in payment gateway integration, EMV/NFC flows, ISO 8583, secure authentication, encrypted data handling, and compliance (GDPR, HIPAA, CCPA). Experienced in CI/CD, Docker, and performance optimization.

Clients value my clean architecture, deep payment knowledge, and reliable long-term support.

Let’s build something powerful and scalable.

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