h
hosamelsheikh

Hosam E

@hosamelsheikh

Net Software Engineer

Égypte
Arabe, Anglais
Certaines informations sont présentées en anglais.
À propos de moi
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.... Plus d’infos

Compétences

h
hosamelsheikh
Hosam E
hors ligne • 
Temps de réponse moyen de 1 heure

Voir mes services

Applications Web Full stack
I will integrate a payment gateway into your website or app
De60 $US / projetPlus de détails
API & Intégrations
I will develop a rest API in c sharp and asp dot net core
De50 $US / projetPlus de détails

Expérience professionnelle

Mastercard

Software Engineer

Mastercard • Temps plein

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