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Hiring in South Korea is as much a scheduling question as a sourcing one. At UTC+9, that means a short morning or evening overlap with Western Europe and little natural overlap with the US West Coast. That decides whether you are hiring someone who joins your stand-up or someone who hands off to it.
Developers in South Korea cluster in Seoul, Seoul, Daejeon and Suwon. City counts cover every indexed developer there, not only the ones using Java, so treat them as where the country's engineering population sits rather than a count for this skill.
Java developers in South Korea most often pair it with JavaScript (69.6%), Python (63.9%) and HTML (60.6%).
Developer cities in South Korea
All indexed developers per city, across every skill.
- Seoul15,169
- Seoul808
- Daejeon604
- Suwon459
- Busan446
- Incheon408
- Daegu254
- South Korea249
- Korea233
- Seongnam137
Counts are developers in the indexed profile set.
Other skills hired in South Korea
Each links to the same country breakdown for that technology.
- Python12,444
- JavaScript12,118
- HTML11,002
- TypeScript8,416
- C++6,049
- Jupyter5,893
- CSS5,125
- C4,374
- Bash / Shell3,021
- Kotlin2,781
- C#2,272
- Go1,971
- Vue.js1,793
Counts are developers in the indexed profile set.
What Java developers in South Korea also use
Share of this group who also work with each technology.
- JavaScript6,260 · 69.6%
- Python5,750 · 63.9%
- HTML5,455 · 60.6%
- TypeScript4,155 · 46.2%
- C++3,125 · 34.7%
- CSS2,780 · 30.9%
- Jupyter2,535 · 28.2%
- C2,455 · 27.3%
- Kotlin2,055 · 22.8%
- Bash / Shell1,625 · 18.1%
- C#1,225 · 13.6%
- Go1,220 · 13.6%
Counts are developers in the indexed profile set.
What Java developers in South Korea look like
Measured across the profiles in this group, not self-reported.
- Median public contributions, last 12 months
- 45
- Median public repositories
- 27
- Median followers
- 15
- Have a linked LinkedIn profile
- 15.4%
- Flagged as open to work on GitHub
- 14.4%
Years of experience
- 0–2 years6%
- 3–5 years30%
- 6–9 years40%
- 10+ years24%
Shares of the profiles in this group where experience could be derived.
Sample profiles from South Korea
Real indexed developers, reduced to ranges and derived labels so no individual is identifiable.
- Contributions / year
- 0–50
- Public repositories
- 75–100
- Followers
- 100–250
- Contributions / year
- 0–50
- Public repositories
- 10–20
- Followers
- 0–10
- Contributions / year
- 100–250
- Public repositories
- 20–35
- Followers
- 25–50
- Contributions / year
- 1,000–2,000
- Public repositories
- 75–100
- Followers
- 50–100
- Contributions / year
- 1,000–2,000
- Public repositories
- 150–250
- Followers
- 500–1,000
- Contributions / year
- 0–50
- Public repositories
- 35–50
- Followers
- 10–25
Figures are shown as ranges and identifying details are removed. Full profiles, including GitHub handles and contact details, are available to signed-in users.
Frequently asked questions
How many Java developers are there in South Korea?
9,381 developers based in South Korea show Java in their public GitHub work, which is 1.3% of all 743,885 Java developers in the index.
Which cities in South Korea have the most developers?
Seoul (15,169), Seoul (808), Daejeon (604), Suwon (459) and Busan (446). These are counts of all indexed developers in each city.
Do working hours in South Korea overlap with my team?
At UTC+9, that means a short morning or evening overlap with Western Europe and little natural overlap with the US West Coast.
How active are Java developers in South Korea?
The median developer in this group made 45 public contributions in the last year across 27 public repositories, with a median of 15 followers.
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