JavaScript Job Trends in Harpenden

JavaScript (including ECMAScript)
Hertfordshire > Harpenden

The table below provides summary statistics and salary benchmarking for jobs advertised in Harpenden requiring JavaScript skills. It covers permanent job vacancies from the 6 months leading up to 8 June 2026, with comparisons to the same periods in the previous two years.

6 months to
8 Jun 2026
Same period 2025 Same period 2024
Rank - - 2
Rank change year-on-year - - -
Permanent jobs citing JavaScript 0 0 5
As % of all permanent jobs in Harpenden - - 45.45%
As % of the Programming Languages category - - 83.33%
Number of salaries quoted 0 0 5
10th Percentile - - -
25th Percentile - - £52,500
Median annual salary (50th Percentile) - - £60,000
75th Percentile - - £75,000
90th Percentile - - -
Hertfordshire median annual salary £58,750 £47,500 £57,500
% change year-on-year +23.68% -17.39% -14.81%

All Programming Languages
Harpenden

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 Harpenden.

Permanent vacancies with a requirement for coding skills 0 0 6
As % of all permanent jobs advertised in Harpenden - - 54.55%
Number of salaries quoted 0 0 6
10th Percentile - - -
25th Percentile - - £52,500
Median annual salary (50th Percentile) - - £67,500
Median % change year-on-year - - +50.00%
75th Percentile - - £75,000
90th Percentile - - £80,625
Hertfordshire median annual salary £60,000 £55,000 £57,500
% change year-on-year +9.09% -4.35% -4.17%

JavaScript
Job Vacancy Trend in Harpenden

Historical trend showing the proportion of permanent IT job postings citing JavaScript relative to all permanent IT jobs advertised in Harpenden.

JavaScript job vacancy trend in Harpenden

JavaScript
Salary Trend in Harpenden

Salary distribution trend for jobs in Harpenden citing JavaScript.

Salary distribution trend for jobs in Harpenden citing JavaScript