The table below provides summary statistics and salary benchmarking for jobs advertised in Cardiff requiring Kotlin skills. It covers permanent job vacancies from the 6 months leading up to 27 November 2025, with comparisons to the same periods in the previous two years.
Kotlin falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring coding skills in Cardiff.
Permanent vacancies with a requirement for coding skills
54
173
133
As % of all permanent jobs advertised in Cardiff
15.13%
34.19%
38.44%
Number of salaries quoted
43
128
113
10th Percentile
£34,000
£23,750
£37,938
25th Percentile
£52,500
£31,250
£43,750
Median annual salary (50th Percentile)
£60,000
£50,000
£52,500
Median % change year-on-year
+20.00%
-4.76%
-3.67%
75th Percentile
£75,000
£65,000
£66,250
90th Percentile
£79,758
£75,750
£74,750
South Wales median annual salary
£55,000
£50,154
£50,764
% change year-on-year
+9.66%
-1.20%
-3.31%
Kotlin Job Vacancy Trend in Cardiff
Historical trend showing the proportion of permanent IT job postings citing Kotlin relative to all permanent IT jobs advertised in Cardiff.
Kotlin Salary Trend in Cardiff
Salary distribution trend for jobs in Cardiff citing Kotlin.
Kotlin Top 4 Co-Occurring Skills & Capabilities in Cardiff
For the 6 months to 27 November 2025, job vacancies citing Kotlin also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the Cardiff region with a requirement for Kotlin.
Kotlin Co-Occurring Skills & Capabilities in Cardiff by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
