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Kunal Ashwin Mehta

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Senior Engineering Manager, HSBC - gRPC · idempotency · Java

Works at
HSBC
Location
Doha, Qatar · AST (UTC+3)
Experience
13+ years experience
Education
University of Jordan
Languages
English, Arabic
Message Connect

Overview

Senior Engineering Manager at HSBC, focused on payments infrastructure. Shipped 12 launches on the payments platform team without a rollback. Before that: Emirates NBD and Amazon. Most at home with gRPC and idempotency. Swimming before work keeps me sane.

Good reasons to reach out
  • Speaking or podcast invitations
  • Thoughtful intros to people in my field
  • Second opinions on gRPC decisions
Please don't message about
  • SEO and link-building offers
  • Recruiters for roles outside my stack
  • Offshore staffing offers

Fastest replies in the morning

Skills
distributed systemsJavaGogRPCKafkaidempotency

Experience

  1. Senior Engineering Manager
    Dec 2025 - Present
    HSBC · 11 mo · Full-time · Doha, Qatar
    • Wrote the Go service that now handles 78 million requests a day.
    • Moved 77% of payments platform traffic off a legacy monolith without a customer-facing incident.
    • Reduced cloud spend on payments platform by 42% in two quarters.
  2. Backend Engineer
    Feb 2023 - Sep 2025
    Emirates NBD · 2 yr 7 mo · Full-time · Doha, Qatar
    • Shipped 21 launches on the payments platform team without a rollback.
  3. Engineering Manager
    Apr 2019 - Feb 2023
    Amazon · 3 yr 10 mo · Full-time · Doha, Qatar
    • Brought on-call pages for payments platform down from 30 a week to 2.
    • Mentored 9 engineers through their first promotion.
  4. Engineering Manager
    Sep 2017 - Apr 2019
    HSBC · 1 yr 7 mo · Full-time · Doha, Qatar
    • Wrote the idempotency service that now handles 62 million requests a day.
    • Brought on-call pages for payments platform down from 39 a week to 4.
  5. Senior Backend Engineer
    Jan 2014 - Sep 2017
    Deloitte · 3 yr 8 mo · Full-time · Doha, Qatar
    • Led the migration of 67 services to Go.
    • Built the experimentation framework 38 product teams use to ship changes safely.

Projects

Open-source distributed systems toolkit
2026

A small library for payments infrastructure that 814 developers star on GitHub.

Write-up: payments infrastructure in practice
2025

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

References

No references yet.

Education

  1. University of Jordan
    BSc, Information Technology
    2005 - 2009

Details

Compensation expectations
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