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Hesham Toukan

Sample profile

Backend Engineer at Google · Payments infrastructure

Works at
Google
Location
Doha, Qatar · AST (UTC+3)
Experience
2+ years experience
Education
American University of Beirut
Languages
English, Arabic

Overview

Backend Engineer at Google, focused on payments infrastructure. Wrote the Kafka service that now handles 49 million requests a day. Most at home with PostgreSQL and idempotency.

Good reasons to reach out
  • Second opinions on distributed systems decisions
Please don't message about
  • Unpaid work or spec projects
  • Requests to fix your code for free

Replies between meetings, usually same day

Skills
idempotencyPostgreSQLdistributed systemsPCI DSSgRPCKafkaGo

Experience

  1. Backend Engineer
    Oct 2024 - Present
    Google · 2 yr 1 mo · Full-time · Doha, Qatar
    • Took payment success rates from 94.6% to 98.4%.
    • Brought on-call pages for payments platform down from 12 a week to 4.
    • Reduced cloud spend on payments platform by 36% in two quarters.

Projects

Write-up: payments infrastructure in practice
2026

A long-form guide to payments infrastructure for people starting out.

Payments infrastructure benchmark
2024

Reproducible benchmarks comparing PostgreSQL and gRPC on real workloads.

References

No references yet.

Education

  1. American University of Beirut
    BE, Computer Science
    2020 - 2024

Details

Compensation expectations
What they are targeting for their next role.
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Direct contact details
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