Senior Software Engineer with 10+ years of experience building high-performance, secure, and reliable software systems.

My main areas of expertise include:

• Modern C++ (C++11/14/17)
• Qt
• Embedded Linux
• Payment Systems & POS Software
• ISO 8583
• Network Programming
• TCP/IP, WebSocket, HTTPS
• TLS & OpenSSL
• Multithreading & Concurrency
• C# / .NET
• Cross-Platform Software Development

I specialize in developing and maintaining system-level and backend software where performance, reliability, networking, and security matter.

My experience includes:

• Payment transaction processing
• POS terminal software
• ISO 8583-based financial systems
• Secure communication and cryptography
• Embedded Linux systems
• Network programming
• Cross-platform C++ applications
• System-level debugging and performance optimization

C++ / Qt / Embedded Linux / ISO 8583 payment transaction processing and POS software.

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C++ networking and secure communication using TCP/IP, WebSocket, TLS, OpenSSL and Boost.

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C++ / Qt cross-platform industrial software with Windows-to-Linux migration, multithreading and system-level programming.

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Languages

C++17 · C# · .NET

Frameworks & Libraries

Qt · STL · Boost · Boost.Asio · MFC

Systems

Linux · Embedded Linux · Windows

Networking & Security

TCP/IP · WebSocket · HTTPS · TLS · OpenSSL · RSA

Payment

POS · ISO 8583 · Payment Processing · HSM · Remote Key Loading

Tools

CMake · Git · Docker · SQL · Wireshark

📧 Email: z.taleahmad@gmail.com

📍 Yerevan, Armenia

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