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Walid AlZahrani

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Backend Engineer at Oracle · API platforms

Works at
Oracle
Location
Doha, Qatar · AST (UTC+3)
Experience
2+ years experience
Education
University of Dubai
Languages
English, Arabic, Spanish

Overview

Currently at Oracle, where I work on API platforms. Shipped a rewrite that took build times from 18 minutes to under 6. Wrote the rate limiting service that now handles 72 million requests a day. Most at home with Redis and OpenAPI. I volunteer with a food bank on weekends.

Good reasons to reach out
  • Speaking or podcast invitations
Please don't message about
  • Requests to fix your code for free
  • Generic networking requests

Fastest replies in the morning

Skills
rate limitingOpenAPIRedisPostgreSQLDjango

Experience

  1. Backend Engineer
    Apr 2026 - Present
    Oracle · 7 mo · Full-time · Doha, Qatar
    • Shipped a rewrite that took build times from 32 minutes to under 4.
    • Reduced cloud spend on public API by 45% in two quarters.
    • Wrote the Django service that now handles 32 million requests a day.
  2. Backend Engineer
    Oct 2024 - Apr 2026
    Standard Chartered · 1 yr 6 mo · Full-time · Doha, Qatar
    • Reduced cloud spend on public API by 46% in two quarters.

Projects

API platforms benchmark
2025

Reproducible benchmarks comparing PostgreSQL and Redis on real workloads.

Write-up: API platforms in practice
2022

A long-form guide to API platforms for people starting out.

References

No references yet.

Education

  1. University of Dubai
    BBA, 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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