Seojun Oh

S

Director of Engineering at Delta Mobility · compilers, CLI design

Delta Mobility
Seoul, South Korea · KST (UTC+9)
15+ years experience
HKUST
English, Korean
Co-founder
Messaging unavailable

Overview

Currently at Delta Mobility, where I lead developer tools with a team of 42. Shipped 11 launches on the developer experience team without a rollback. Most at home with Rust and TypeScript. Swimming before work keeps me sane.

Good reasons to reach out
  • People who want to build this with me
  • Questions about developer tools
  • Second opinions on Rust decisions
Please don't message about
  • SEO and link-building offers
  • Unpaid work or spec projects
  • Recruiters for roles outside my stack

Usually replies within a day

Skills
RustcompilersVS Code extensionsLSPCLI designTypeScript
Co-founderLooking for a co-founder
closes in 3 months

Looking for a technical co-founder for freight matching for European fintechs

The idea
Freight matching for European fintechs
Stage
Customer interviews
I bring
6 years in developer tools
Looking for
Operator who has scaled a team
Commitment
Full-time after funding
Location
Seoul or remote

I bring 22 years of developer tools (currently Delta Mobility). Ideally you've shipped B2B software. Incorporated, self-funded so far.

Seoul, South Korea · remote OKrusttypescriptcompilers
Open

Experience

  1. Director of Engineering
    Jan 2024 - Present
    Delta Mobility · 2 yr 9 mo · Full-time · Seoul, South Korea
    • Cut p99 latency on the developer experience services from 779ms to 60ms.
    • Shipped 26 launches on the developer experience team without a rollback.
    • Mentored 4 engineers through their first promotion.
  2. Senior Engineering Manager
    Jan 2022 - Jan 2024
    PwC · 2 yr · Full-time · Seoul, South Korea
    • Shipped a rewrite that took build times from 27 minutes to under 6.
  3. Staff Software Engineer
    Nov 2018 - Jan 2022
    HSBC · 3 yr 2 mo · Full-time · Seoul, South Korea
    • Wrote the LSP service that now handles 13 million requests a day.
    • Shipped 9 launches on the developer experience team without a rollback.
  4. Senior Engineering Manager
    Sep 2015 - Nov 2018
    Telstra · 3 yr 2 mo · Full-time · Seoul, South Korea
    • Grew the developer experience team from 5 to 14 engineers.
    • Brought on-call pages for developer experience down from 38 a week to 3.
  5. Software Engineer
    Nov 2011 - Sep 2015
    Naver · 3 yr 10 mo · Full-time · Seoul, South Korea
    • Shipped 8 launches on the developer experience team without a rollback.
    • Brought on-call pages for developer experience down from 13 a week to 3.

References

No references yet.

Education

  1. HKUST
    BEng, Mathematics
    1999 - 2003

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