JavaScript Developer Job Trends in Wales

JavaScript Developer
UK > Wales

The median JavaScript Developer salary in Wales is £45,750 per year, according to job vacancies posted during the 6 months leading to 6 November 2025.

The table below compares current salary benchmarking and summary statistics with the previous two years.

6 months to
6 Nov 2025
Same period 2024 Same period 2023
Rank 70 76 89
Rank change year-on-year +6 +13 +31
Permanent jobs requiring a JavaScript Developer 2 3 3
As % of all permanent jobs in Wales 0.21% 0.25% 0.33%
As % of the Job Titles category 0.25% 0.25% 0.34%
Number of salaries quoted 2 2 3
10th Percentile £39,375 - -
25th Percentile £40,313 £38,750 £25,313
Median annual salary (50th Percentile) £45,750 £42,500 £25,625
Median % change year-on-year +7.65% +65.85% -59.00%
75th Percentile £52,313 £46,250 £36,719
90th Percentile £53,925 - £43,188
UK median annual salary £63,000 £45,000 £70,000
% change year-on-year +40.00% -35.71% +3.70%

All Permanent IT Job Vacancies
Wales

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in Wales. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of permanent jobs in our overall sample.

Permanent vacancies in Wales with a recognized job title 805 1,184 872
% of permanent jobs with a recognized job title 85.91% 97.13% 94.99%
Number of salaries quoted 598 754 686
10th Percentile £26,223 £28,500 £27,920
25th Percentile £32,500 £35,000 £35,000
Median annual salary (50th Percentile) £48,500 £45,000 £46,210
Median % change year-on-year +7.78% -2.62% -7.58%
75th Percentile £60,000 £60,000 £61,250
90th Percentile £74,775 £70,000 £72,433
UK median annual salary £52,500 £57,410 £60,000
% change year-on-year -8.55% -4.32% -

JavaScript Developer
Job Vacancy Trend in Wales

Historical trend showing the proportion of permanent IT job postings featuring 'JavaScript Developer' in the job title relative to all permanent IT jobs advertised in Wales.

JavaScript Developer job vacancy trend in Wales

JavaScript Developer
Salary Trend in Wales

Salary distribution trend for JavaScript Developer job vacancies in Wales.

Salary distribution trend for JavaScript Developer job vacancies in Wales

JavaScript Developer
Job Locations in Wales

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JavaScript Developer within the Wales region over the 6 months to 6 November 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
South Wales +7 2 £45,750 +7.65%
JavaScript Developer
UK

JavaScript Developer Skill Set
Top 30 Co-Occurring Skills & Capabilities in Wales

For the 6 months to 6 November 2025, JavaScript Developer job roles required 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 Wales region featuring JavaScript Developer in the job title.

1 2 (100.00%) C#
1 2 (100.00%) JavaScript
1 2 (100.00%) RESTful
2 1 (50.00%) .NET
2 1 (50.00%) Accessibility
2 1 (50.00%) Agile
2 1 (50.00%) API Management
2 1 (50.00%) Azure
2 1 (50.00%) Azure API Management
2 1 (50.00%) Azure DevOps
2 1 (50.00%) Bootstrap
2 1 (50.00%) Business Intelligence
2 1 (50.00%) CI/CD
2 1 (50.00%) Cloud Security
2 1 (50.00%) CSS
2 1 (50.00%) Cybersecurity
2 1 (50.00%) Degree
2 1 (50.00%) DevOps
2 1 (50.00%) Dynamics 365
2 1 (50.00%) Express.js
2 1 (50.00%) Full-Stack Development
2 1 (50.00%) koa
2 1 (50.00%) Microsoft
2 1 (50.00%) Node.js
2 1 (50.00%) OO
2 1 (50.00%) OOP
2 1 (50.00%) Power Automate
2 1 (50.00%) Power BI
2 1 (50.00%) Power Platform
2 1 (50.00%) PowerApps

JavaScript Developer Skill Set
Co-Occurring Skills & Capabilities in Wales 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:

Cloud Services
1 1 (50.00%) Azure
1 1 (50.00%) Azure API Management
1 1 (50.00%) Azure DevOps
1 1 (50.00%) Dynamics 365
1 1 (50.00%) Power Automate
1 1 (50.00%) Power Platform
1 1 (50.00%) PowerApps
Database & Business Intelligence
1 1 (50.00%) Power BI
1 1 (50.00%) Relational Database
Development Applications
1 1 (50.00%) SonarQube
General
1 1 (50.00%) Public Sector
Libraries, Frameworks & Software Standards
1 2 (100.00%) RESTful
2 1 (50.00%) .NET
2 1 (50.00%) Bootstrap
2 1 (50.00%) CSS
2 1 (50.00%) Express.js
2 1 (50.00%) koa
2 1 (50.00%) Node.js
2 1 (50.00%) REST
Miscellaneous
1 1 (50.00%) Legacy Systems
Processes & Methodologies
1 1 (50.00%) Agile
1 1 (50.00%) API Management
1 1 (50.00%) Business Intelligence
1 1 (50.00%) CI/CD
1 1 (50.00%) Cloud Security
1 1 (50.00%) Cybersecurity
1 1 (50.00%) DevOps
1 1 (50.00%) Full-Stack Development
1 1 (50.00%) OO
1 1 (50.00%) OOP
1 1 (50.00%) Problem-Solving
1 1 (50.00%) Secure Coding
1 1 (50.00%) Sprint Planning
1 1 (50.00%) Sprint Retrospective
1 1 (50.00%) SQL Optimisation
1 1 (50.00%) User Experience
Programming Languages
1 2 (100.00%) C#
1 2 (100.00%) JavaScript
2 1 (50.00%) SQL
Qualifications
1 1 (50.00%) Degree
Quality Assurance & Compliance
1 1 (50.00%) Accessibility
Vendors
1 1 (50.00%) Microsoft
1 1 (50.00%) Qualys