JavaScript Job Trends in South Wales

JavaScript (including ECMAScript)
Wales > South Wales

The table below provides summary statistics and salary benchmarking for jobs advertised in South Wales requiring JavaScript skills. It covers permanent job vacancies from the 6 months leading up to 14 September 2026, with comparisons to the same periods in the previous two years.

6 months to
14 Sep 2026
Same period 2025 Same period 2024
Rank 64 26 8
Rank change year-on-year -38 -18 +12
Permanent jobs citing JavaScript 37 35 98
As % of all permanent jobs in South Wales 1.78% 5.30% 9.07%
As % of the Programming Languages category 14.29% 30.70% 37.12%
Number of salaries quoted 30 32 70
10th Percentile £49,250 £51,000 £23,750
25th Percentile £50,976 £56,250 £31,250
Median annual salary (50th Percentile) £56,250 £64,750 £42,500
Median % change year-on-year -13.13% +52.35% -10.53%
75th Percentile £72,500 £73,750 £60,000
90th Percentile £73,750 £74,875 £68,750
Wales median annual salary £55,000 £64,750 £42,500
% change year-on-year -15.06% +52.35% -6.59%

All Programming Languages
South Wales

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 South Wales.

Permanent vacancies with a requirement for coding skills 259 114 264
As % of all permanent jobs advertised in South Wales 12.49% 17.27% 24.42%
Number of salaries quoted 167 101 176
10th Percentile £35,000 £43,750 £31,250
25th Percentile £47,500 £48,750 £41,004
Median annual salary (50th Percentile) £63,500 £55,000 £55,000
Median % change year-on-year +15.45% - +4.27%
75th Percentile £73,750 £65,000 £65,000
90th Percentile £75,000 £73,750 £77,500
Wales median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% +13.61%

JavaScript
Job Vacancy Trend in South Wales

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

JavaScript job vacancy trend in South Wales

JavaScript
Salary Trend in South Wales

Salary distribution trend for jobs in South Wales citing JavaScript.

Salary distribution trend for jobs in South Wales citing JavaScript

JavaScript
Salary Histogram in South Wales

Salary distribution for jobs citing JavaScript in South Wales over the 6 months to 14 September 2026.

Salary histogram for JavaScript in South Wales

JavaScript
Job Locations in South Wales

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JavaScript within the South Wales region over the 6 months to 14 September 2026. 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
Cardiff -25 26 £57,500 -4.17% 13
Newport -17 8 £53,171 +2.25% 4
Caerphilly - 3 £67,500 -
JavaScript
Wales

JavaScript
Co-Occurring Skills & Capabilities in South 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:

Application Platforms
1 6 (16.22%) CMS
1 6 (16.22%) Sitecore CMS
2 2 (5.41%) Apache
Business Applications
1 10 (27.03%) Dynamics CRM
Cloud Services
1 15 (40.54%) Azure
2 10 (27.03%) AWS
2 10 (27.03%) Power Automate
2 10 (27.03%) Power Platform
2 10 (27.03%) PowerApps
3 7 (18.92%) Azure DevOps
4 6 (16.22%) Dynamics 365
4 6 (16.22%) GCP
5 5 (13.51%) GitHub
6 4 (10.81%) Azure Functions
6 4 (10.81%) Azure Logic Apps
6 4 (10.81%) Azure Service Bus
6 4 (10.81%) GitHub Copilot
6 4 (10.81%) Serverless
7 3 (8.11%) SaaS
8 2 (5.41%) npm
Communications & Networking
1 5 (13.51%) Intranet
Database & Business Intelligence
1 7 (18.92%) Relational Database
2 3 (8.11%) SQL Server
Development Applications
1 8 (21.62%) Git
2 2 (5.41%) Bower
2 2 (5.41%) Jenkins
2 2 (5.41%) JIRA
3 1 (2.70%) JMeter
3 1 (2.70%) MSTest
3 1 (2.70%) Selenium
3 1 (2.70%) SpecFlow
3 1 (2.70%) Visual Studio
General
1 8 (21.62%) Social Skills
2 6 (16.22%) Retail
3 4 (10.81%) Finance
4 2 (5.41%) Documentation Skills
4 2 (5.41%) Inclusion and Diversity
4 2 (5.41%) Marketing
4 2 (5.41%) Organisational Skills
4 2 (5.41%) Welsh Language
Job Titles
1 26 (70.27%) Developer
2 11 (29.73%) Senior
3 9 (24.32%) Senior Developer
4 6 (16.22%) Lead
4 6 (16.22%) Web Developer
5 5 (13.51%) Software Developer
6 4 (10.81%) SEO Developer
6 4 (10.81%) Software Engineer
7 3 (8.11%) Senior Software Developer
8 2 (5.41%) Applications Developer
8 2 (5.41%) Full-Stack Developer
8 2 (5.41%) JavaScript Developer
8 2 (5.41%) Low-Code Developer
8 2 (5.41%) PHP Developer
8 2 (5.41%) Senior JavaScript Developer
9 1 (2.70%) .NET Developer
9 1 (2.70%) Full-Stack .NET Developer
9 1 (2.70%) Full-Stack PHP Developer
9 1 (2.70%) Full-Stack Web Developer
9 1 (2.70%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 14 (37.84%) React
2 13 (35.14%) AngularJS
3 9 (24.32%) CSS
3 9 (24.32%) HTML
4 7 (18.92%) Node.js
5 6 (16.22%) HTML5 Canvas
5 6 (16.22%) jQuery
5 6 (16.22%) JSON
5 6 (16.22%) XML
6 5 (13.51%) Ajax
7 4 (10.81%) RESTful
7 4 (10.81%) Vue
8 3 (8.11%) .NET
8 3 (8.11%) ASP.NET
8 3 (8.11%) Web Services
9 2 (5.41%) ASP.NET Core
9 2 (5.41%) Sass
9 2 (5.41%) SOAP
9 2 (5.41%) Spring
9 2 (5.41%) Spring Boot
Miscellaneous
1 6 (16.22%) Management Information System
1 6 (16.22%) Onboarding
2 2 (5.41%) Low-Code
2 2 (5.41%) Mobile App
2 2 (5.41%) Web Conferencing
Operating Systems
1 2 (5.41%) Linux
Processes & Methodologies
1 20 (54.05%) Agile
2 17 (45.95%) DevOps
3 16 (43.24%) Full-Stack Development
4 13 (35.14%) AI
5 12 (32.43%) CI/CD
5 12 (32.43%) Software Engineering
5 12 (32.43%) Web Development
6 10 (27.03%) Continuous Improvement
6 10 (27.03%) CRM
7 9 (24.32%) Code Quality
7 9 (24.32%) Containerisation
8 7 (18.92%) Clean Code
9 6 (16.22%) Collaborative Culture
9 6 (16.22%) Content Management
9 6 (16.22%) Knowledge Transfer
9 6 (16.22%) Observability
9 6 (16.22%) Responsive Web Design
9 6 (16.22%) Scrum
9 6 (16.22%) Technical Leadership
10 5 (13.51%) Waterfall
Programming Languages
1 14 (37.84%) C#
1 14 (37.84%) TypeScript
2 6 (16.22%) Java
2 6 (16.22%) PHP
3 5 (13.51%) Python
4 4 (10.81%) SQL
Qualifications
1 6 (16.22%) Security Cleared
2 4 (10.81%) Degree
3 2 (5.41%) Master's Degree
3 2 (5.41%) SC Cleared
4 1 (2.70%) ISTQB
4 1 (2.70%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 5 (13.51%) ISO/IEC 27001
2 4 (10.81%) HMG Security Policy Framework
System Software
1 8 (21.62%) Docker
Systems Management
1 3 (8.11%) Kubernetes
Vendors
1 8 (21.62%) Microsoft
2 6 (16.22%) Sitecore
3 1 (2.70%) Google