Mariam Dalia Nassar

Overview

Currently at HSBC, where I lead payments infrastructure with a team of 43. Designed the reconciliation system that matches 8 million transactions a day. Shipped 10 launches on the payments platform team without a rollback. Most at home with PostgreSQL and gRPC.

Replies between meetings, usually same day

Experience

1. Director of Engineering

   Sep 2024 - Present
   HSBC · 2 yr 1 mo · Full-time · Dubai, UAE
   • Mentored 11 engineers through their first promotion.
   • Took payment success rates from 91.1% to 97.1%.
2. Senior Engineering Manager

   Jul 2021 - Sep 2024
   Siemens · 3 yr 2 mo · Full-time · Dubai, UAE
   • Grew the payments platform team from 6 to 17 engineers.
3. Backend Engineer

   Sep 2017 - Jul 2021
   Qatar Airways · 3 yr 10 mo · Full-time · Dubai, UAE
   • Brought on-call pages for payments platform down from 40 a week to 2.
   • Designed the reconciliation system that matches 9 million transactions a day.
4. Senior Backend Engineer

   Jul 2014 - Sep 2017
   Wix · 3 yr 2 mo · Full-time · Dubai, UAE
   • Reduced cloud spend on payments platform by 46% in two quarters.
5. Engineering Manager

   Aug 2010 - Jun 2014
   Deloitte · 3 yr 10 mo · Full-time · Dubai, UAE
   • Grew the payments platform team from 6 to 12 engineers.
   • Took payment success rates from 95.4% to 98.9%.

No references yet.

Education

1. American University of Beirut

   BE, Mathematics
   1999 - 2003