Bo Yu Sim

Sample

Director of Engineering at Gojek | ex-Hyundai Motor

Gojek
Hong Kong · HKT (UTC+8)
13+ years experience
Peking University
English, Cantonese
Advising
Messaging unavailable

Overview

Director of Engineering at Gojek, focused on growth engineering. Mentored 15 engineers through their first promotion. Before that: Hyundai Motor and EY. Most at home with experimentation and PostgreSQL.

Good reasons to reach out
  • Advice on growth engineering
  • Thoughtful intros to people in my field
Please don't message about
  • Unpaid work or spec projects
  • Agency or outsourcing pitches

Slower in the last week of each quarter

Skills
TypeScriptanalyticsexperimentationSwiftNode.jsReactPostgreSQL
AdvisingOpen to advising
closes in 7 weeks

Office hours for career switchers into engineering: growth engineering and Swift

Topics
growth engineering, Swift, experimentation
Format
Office hours
Terms
Paid
Capacity
One advisory role at a time
Best for
Seed to Series A teams

13 years of growth engineering. Can review plans, decks and hiring loops.

Hong Kongtypescriptexperimentationswift
Open

Experience

  1. Director of Engineering
    May 2023 - Present
    Gojek · 3 yr 5 mo · Full-time · Hong Kong
    • Cut p99 latency on the growth services from 311ms to 57ms.
    • Built the experimentation framework 11 product teams use to ship changes safely.
  2. Engineering Manager
    Nov 2021 - May 2023
    Hyundai Motor · 1 yr 6 mo · Full-time · Hong Kong
    • Built the experimentation framework 32 product teams use to ship changes safely.
  3. Full-Stack Engineer
    Sep 2018 - Nov 2021
    EY · 3 yr 2 mo · Full-time · Hong Kong
    • Moved 71% of growth traffic off a legacy monolith without a customer-facing incident.
  4. Full-Stack Engineer
    Oct 2016 - Sep 2018
    Mastercard · 1 yr 11 mo · Full-time · Hong Kong
    • Moved 61% of growth traffic off a legacy monolith without a customer-facing incident.
  5. Full-Stack Engineer
    Feb 2014 - Oct 2016
    Xero · 2 yr 8 mo · Full-time · Hong Kong
    • Shipped 25 launches on the growth team without a rollback.

Projects

Write-up: growth engineering in practice
2025

A long-form guide to growth engineering for people starting out.

Growth engineering benchmark
2024

Reproducible benchmarks comparing React and PostgreSQL on real workloads.

References

No references yet.

Education

  1. Peking University
    BSc, Mathematics
    2009 - 2013

Details

Compensation expectations
What they are targeting for their next role.
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