Irfan Hassan

S

Senior Software Engineer at Sony | ex-Deloitte

Sony
Jakarta, Indonesia · WIB (UTC+7)
5+ years experience
INSEAD Singapore
English, Bahasa Indonesia
Open to work
Messaging unavailable

Overview

5 years in software engineering, the last 1 at Sony, where I work on the real-time team. Cut p99 latency on the real-time services from 754ms to 130ms. Before that: Deloitte and Maybank. Learning Japanese, slowly.

Good reasons to reach out
  • Roles in real-time systems
  • Working sessions on Erlang/OTP
  • Thoughtful intros to people in my field
Please don't message about
  • Offshore staffing offers
  • Requests to fix your code for free
  • Generic networking requests
Skills
low-latency systemsElixirRedisErlang/OTPGo
Open to workLooking for a role
closes in 3 months

Senior Software Engineer roles in B2B SaaS - Jakarta or remote

Target roles
Senior Software Engineer
Level
Senior
Industries
Climate tech, Developer tools
Work mode
Hybrid
Available
30 days notice
Work authorization
Authorized to work in Indonesia
What I'm looking for
Hands-on work on Redis with room to mentor.
Not interested in
Agencies and outsourcing firms

5 years in real-time systems. Strongest at Go and Redis. Serving notice now.

Jakarta, Indonesia · remote OKelixirlow-latency systemsredis
Open

Experience

  1. Senior Software Engineer
    May 2026 - Present
    Sony · 5 mo · Full-time · Jakarta, Indonesia
    • Brought on-call pages for real-time down from 35 a week to 2.
    • Cut p99 latency on the real-time services from 379ms to 175ms.
  2. Software Engineer
    Jul 2023 - May 2026
    Deloitte · 2 yr 10 mo · Full-time · Jakarta, Indonesia
    • Reduced cloud spend on real-time by 45% in two quarters.
  3. Software Engineer
    Oct 2021 - Jul 2023
    Maybank · 1 yr 9 mo · Contract · Jakarta, Indonesia
    • Brought on-call pages for real-time down from 39 a week to 3.
    • Wrote the Go service that now handles 71 million requests a day.

References

No references yet.

Education

  1. INSEAD Singapore
    MBA, Business Administration
    2020 - 2022
  2. Monash University
    BCom, Electrical Engineering
    2016 - 2020

Details

Compensation expectations
What they are targeting for their next role.
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Direct contact details
Direct email and a scheduling link.
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