h
hosamelsheikh

Hosam E

@hosamelsheikh

Net Software Engineer

Egypt
Arabic, English
About me
I am a .Net Software Engineer with experience in developing backend services and payment processor integrations. I have a strong background in technical support leadership, API documentation, and regression testing. I specialize in building business solutions using C#, SQL, and Entity Framework to improve system performance.... Read more

Skills

h
hosamelsheikh
Hosam E
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will integrate a payment gateway into your website or app
From$60 / projectMore details
API & Integrations
I will develop a rest API in c sharp and asp dot net core
From$50 / projectMore details

Work experience

Mastercard

Software Engineer

Mastercard • Full-time

Jun 2023 - Present • 3 yrs

Backend engineer at a leading MENA payment gateway, specializing in payment processor integrations. Built and maintained integrations with MPGS, Cybersource, Checkout.com, and KNET using C#/.NET Integrated Mastercard Click to Pay (Unified Checkout), including payload encryption, OAuth 1.0a signing, and certificate-based authentication Implemented BIN-based card type detection in JavaScript, supporting regional schemes like Jaywan Performed SQL Server data migrations and BIN database restructuring Analyzed competitor gateways and translated findings into business solutions