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Hiring in Belgium is as much a scheduling question as a sourcing one. At UTC+1, that means near-complete 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 Belgium cluster in Brussels, Lille, Waterloo and Leuven. City counts cover every indexed developer there, not only the ones using Kotlin, so treat them as where the country's engineering population sits rather than a count for this skill.
Kotlin developers in Belgium most often pair it with JavaScript (75%), Java (62.5%) and HTML (41.7%).
Developer cities in Belgium
All indexed developers per city, across every skill.
- Brussels1,009
- Lille412
- Waterloo283
- Leuven278
- Ghent215
- Antwerp190
- Liège131
- Gent127
- Antwerpen60
- Essen52
Counts are developers in the indexed profile set.
Other skills hired in Belgium
Each links to the same country breakdown for that technology.
- JavaScript2,009
- Python1,680
- HTML1,623
- TypeScript1,108
- Java989
- CSS975
- Bash / Shell832
- PHP776
- C++696
- C609
- Jupyter590
- C#472
- Ruby407
- Go319
Counts are developers in the indexed profile set.
What Kotlin developers in Belgium also use
Share of this group who also work with each technology.
- JavaScript90 · 75%
- Java75 · 62.5%
- HTML50 · 41.7%
- Python40 · 33.3%
- TypeScript35 · 29.2%
- Bash / Shell30 · 25%
- C++30 · 25%
- CSS30 · 25%
- PHP30 · 25%
- Android20 · 16.7%
- C20 · 16.7%
- Dart20 · 16.7%
Counts are developers in the indexed profile set.
What Kotlin developers in Belgium look like
Measured across the profiles in this group, not self-reported.
- Median public contributions, last 12 months
- 50
- Median public repositories
- 24
- Median followers
- 9
- Have a linked LinkedIn profile
- 16.7%
- Flagged as open to work on GitHub
- 20.8%
Years of experience
- 0–2 years17%
- 3–5 years17%
- 6–9 years25%
- 10+ years42%
Shares of the profiles in this group where experience could be derived.
Sample profiles from Belgium
Real indexed developers, reduced to ranges and derived labels so no individual is identifiable.
- Contributions / year
- 1,000–2,000
- Public repositories
- 35–50
- Followers
- 10–25
- Contributions / year
- 500–1,000
- Public repositories
- 5–10
- Followers
- 0–10
- Contributions / year
- 0–50
- Public repositories
- 20–35
- Followers
- 10–25
- Contributions / year
- 1,000–2,000
- Public repositories
- 20–35
- Followers
- 0–10
- Contributions / year
- 0–50
- Public repositories
- 20–35
- Followers
- 10–25
- Contributions / year
- 0–50
- Public repositories
- 20–35
- Followers
- 0–10
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 Kotlin developers are there in Belgium?
152 developers based in Belgium show Kotlin in their public GitHub work, which is 0.1% of all 123,406 Kotlin developers in the index.
Which cities in Belgium have the most developers?
Brussels (1,009), Lille (412), Waterloo (283), Leuven (278) and Ghent (215). These are counts of all indexed developers in each city.
Do working hours in Belgium overlap with my team?
At UTC+1, that means near-complete overlap with Western Europe and little natural overlap with the US West Coast.
How active are Kotlin developers in Belgium?
The median developer in this group made 50 public contributions in the last year across 24 public repositories, with a median of 9 followers.
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