The table below provides summary statistics and salary benchmarking for jobs advertised in Southend-on-Sea requiring JavaScript skills. It covers permanent job vacancies from the 6 months leading up to 4 November 2025, with comparisons to the same periods in the previous two years.
JavaScript 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 Southend-on-Sea.
Permanent vacancies with a requirement for coding skills
1
15
21
As % of all permanent jobs advertised in Southend-on-Sea
4.55%
50.00%
77.78%
Number of salaries quoted
1
0
8
10th Percentile
-
-
£43,015
25th Percentile
£27,500
-
£74,504
Median annual salary (50th Percentile)
£30,000
-
£85,000
Median % change year-on-year
-
-
+41.67%
75th Percentile
£32,500
-
-
90th Percentile
-
-
£87,625
Essex median annual salary
£47,500
£57,500
£67,500
% change year-on-year
-17.39%
-14.81%
+35.00%
JavaScript Job Vacancy Trend in Southend-on-Sea
Historical trend showing the proportion of permanent IT job postings citing JavaScript relative to all permanent IT jobs advertised in Southend-on-Sea.
JavaScript Salary Trend in Southend-on-Sea
Salary distribution trend for jobs in Southend-on-Sea citing JavaScript.
JavaScript Top 16 Co-Occurring Skills & Capabilities in Southend-on-Sea
For the 6 months to 4 November 2025, job vacancies citing JavaScript 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 Southend-on-Sea region with a requirement for JavaScript.
JavaScript Co-Occurring Skills & Capabilities in Southend-on-Sea 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:
