Kareem Elsayed Elsayed, SENIOR PAYMENT DEVELOPER

Kareem Elsayed Elsayed

SENIOR PAYMENT DEVELOPER

DIYAR UNITED COMPANY

Location
Saudi Arabia
Education
Bachelor's degree, Mechatronics Engineer
Experience
6 years, 10 Months

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Work Experience

Total years of experience :6 years, 10 Months

SENIOR PAYMENT DEVELOPER at DIYAR UNITED COMPANY
  • Saudi Arabia - Riyadh
  • My current job since June 2023

- Responsible for developing a new payment application - card processiong application- on Verifone & Vanstone
POS devices as well as Petrolium devices that are newly introduced in the UAE & KSA market.
- Handle direct integration with Saudi pay through ISO & XML-NEXO-.
Technologies used: : Java, NEXO, XML, ISO8583, EMV, Socket Programming, ADVT, CDET, PayPass, PayWave

SENIOR PAYMENT ANALYST at Etisalat Egypt
  • Egypt - Cairo
  • September 2022 to May 2023

- Etisalat is starting a new Fin-tech based solutions through POS devices existing in their Branches that are distributed all over Egypt to empower their customers and serve them with all banking and utilities services.
-Responsible for developing a new payment application -card processiong application- in partnership with Bank Misr on their new android POS devices -PAX & SUNMI- beside supporting their POS vendors.
-Develop a a payment service solution in partnership with multiple vendors such as Fawry, Masary, etc. using Flutter to support WEB, Android & IOS.
-Develop a new online payment gateway for Etisalat new Merchants.
-Support Digital team in reinforcing their security for the current existing payment gateway in My Etisalat Technologies used: : Java, Kotlin, Flutter, Angular, ISO8583, EMV, Socket Programming, ADVT, CDET, PayPass, PayWave

SENIOR PAYMENT DEVELOPER at ALAMIN FOR PAYMENT SOLUTIONS
  • Egypt - Cairo
  • July 2021 to September 2022

- Responsible for developing the Payment applications on new android POS devices - INGENICO &
UROVO - that is newly introduced to the market serving all 6 banks in Egypt such as CIB, AAIB, ALEX, QNB, etc.
while developing applications for other companies such as ValU, Health Tag, Network NI, Ministry of
Finance, Etisalat, UPG, etc.
- Working with payment applications requires a different approach in development such as socket program
-
ming, construct messages using ISO 8586, EMV, , adding custom security layers, etc.
- Beside working on an application manager which is similar to google playstore & Home launcher that will be
introduced to cover and unite all POS competitors in Egypt serving Ingenico, PAX, Sunmi, Urovo POSs
Technologies used: Java, ISO8583, EMV, Socket Programming, ADVT, CDET, PayPass, PayWave

Senior Android Developer at Yallasolutions
  • Egypt - Cairo
  • January 2018 to June 2021

- Working on the whole lifecycle of multiple projects starting from development, testing, and publishing the
applications on play-store ranging from startup applications to governmental ones serving different fields such
as educational platforms, e-commerce, medical and social applications.
- By dealing with the whole cycle, a lot is learned regarding analytics, bug detection, and code reusability.
Technologies used: Java
Tools: Android studio, GitLab, Jira, Slack

Junior Android Developer at Khomasy
  • Egypt - Cairo
  • August 2017 to December 2017

- With a great technical team to learn from, we developed an android application that allows our customers to
match together and book a football game through the platform.
Technologies used: Java
Tools: Android Studio, Bitbucket, Google G-Suite, TopTracker

Education

Bachelor's degree, Mechatronics Engineer
  • at The German University In Cairo
  • July 2018

Very good - overall Excellent - bachelor

Specialties & Skills

iOS Development
Mechatronics
Web Development
Embedded Systems
Android Software Development
ANDROID (OPERATING SYSTEM)
JAVA (PROGRAMMING LANGUAGE)
ANDROID STUDIO
NODE.JS
ISO 8583

Social Profiles

Languages

English
Expert
Arabic
Native Speaker

Training and Certifications

Android Developer (Training)
Training Institute:
Udacity - Google Scholarship -
Date Attended:
January 2014
Duration:
300 hours
Card Processing (Training)
Training Institute:
Alamin for epayments
Date Attended:
July 2021
Duration:
32 hours

Hobbies

  • entrepreneurship