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 18 May 2026, with comparisons to the same periods in the previous two years.

6 months to
18 May 2026
Same period 2025 Same period 2024
Rank 52 21 22
Rank change year-on-year -31 +1 -4
Permanent jobs citing JavaScript 25 28 83
As % of all permanent jobs in South Wales 2.17% 7.35% 6.59%
As % of the Programming Languages category 15.06% 30.43% 23.25%
Number of salaries quoted 22 25 77
10th Percentile £40,250 - £31,250
25th Percentile £44,375 £31,250 £41,250
Median annual salary (50th Percentile) £56,250 £52,000 £52,500
Median % change year-on-year +8.17% -0.95% +7.69%
75th Percentile £68,750 £65,000 £67,500
90th Percentile £73,750 £75,000 £77,500
Wales median annual salary £54,085 £50,000 £50,000
% change year-on-year +8.17% - +11.11%

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 166 92 357
As % of all permanent jobs advertised in South Wales 14.40% 24.15% 28.33%
Number of salaries quoted 97 82 303
10th Percentile £35,000 £31,250 £35,195
25th Percentile £37,500 £46,290 £42,500
Median annual salary (50th Percentile) £55,000 £55,000 £52,101
Median % change year-on-year - +5.56% +1.56%
75th Percentile £68,750 £66,875 £66,000
90th Percentile £75,000 £75,000 £72,487
Wales median annual salary £55,000 £55,000 £50,000
% change year-on-year - +10.00% +11.11%

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 18 May 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 18 May 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 -30 14 £57,500 +15.00% 49
Newport -19 6 £48,500 -6.73% 2
Caerphilly - 3 £67,500 -
Bridgend - 1 £45,000 -
Torfaen - 1 £42,000 -
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 4 (16.00%) CMS
1 4 (16.00%) Sitecore CMS
2 1 (4.00%) ColdFusion
Business Applications
1 3 (12.00%) Dynamics CRM
Cloud Services
1 14 (56.00%) Azure
2 9 (36.00%) AWS
3 6 (24.00%) Azure DevOps
4 5 (20.00%) GCP
4 5 (20.00%) GitHub
5 3 (12.00%) GitHub Copilot
5 3 (12.00%) Power Automate
5 3 (12.00%) Power Platform
5 3 (12.00%) PowerApps
5 3 (12.00%) SaaS
6 2 (8.00%) Azure Functions
6 2 (8.00%) Azure Logic Apps
6 2 (8.00%) Azure Service Bus
6 2 (8.00%) Serverless
7 1 (4.00%) Dynamics 365
Communications & Networking
1 1 (4.00%) Internet
Database & Business Intelligence
1 3 (12.00%) Relational Database
1 3 (12.00%) SQL Server
2 1 (4.00%) BigQuery
2 1 (4.00%) Data Warehouse
2 1 (4.00%) MongoDB
2 1 (4.00%) MySQL
2 1 (4.00%) NoSQL
2 1 (4.00%) Oracle Database
2 1 (4.00%) PostgreSQL
2 1 (4.00%) RDBMS
Development Applications
1 4 (16.00%) Git
2 2 (8.00%) Jenkins
2 2 (8.00%) JMeter
3 1 (4.00%) Cucumber
3 1 (4.00%) GitLab
3 1 (4.00%) Gradle
3 1 (4.00%) JIRA
3 1 (4.00%) Maven
3 1 (4.00%) Moq
3 1 (4.00%) MSTest
3 1 (4.00%) Selenium
3 1 (4.00%) SpecFlow
3 1 (4.00%) Visual Studio
3 1 (4.00%) Zephyr
General
1 5 (20.00%) Retail
1 5 (20.00%) Social Skills
2 3 (12.00%) Finance
3 2 (8.00%) Organisational Skills
3 2 (8.00%) Welsh Language
4 1 (4.00%) Documentation Skills
4 1 (4.00%) Marketing
4 1 (4.00%) Multimedia
Job Titles
1 15 (60.00%) Developer
2 9 (36.00%) Senior
3 7 (28.00%) Senior Developer
3 7 (28.00%) Software Developer
4 4 (16.00%) Lead
4 4 (16.00%) Senior Software Developer
4 4 (16.00%) Software Engineer
5 2 (8.00%) Applications Developer
5 2 (8.00%) Full-Stack Developer
5 2 (8.00%) Senior Full-Stack Developer
5 2 (8.00%) SEO Developer
6 1 (4.00%) Automation Tester
6 1 (4.00%) Front-End Developer (Client-Side Developer)
6 1 (4.00%) Java Developer
6 1 (4.00%) Java Engineer
6 1 (4.00%) PL/SQL Developer
6 1 (4.00%) Quality Engineer
6 1 (4.00%) Senior Automation Tester
6 1 (4.00%) Senior SQL Developer
6 1 (4.00%) Tester
Libraries, Frameworks & Software Standards
1 11 (44.00%) AngularJS
1 11 (44.00%) React
2 7 (28.00%) CSS
2 7 (28.00%) HTML
3 5 (20.00%) Node.js
3 5 (20.00%) RESTful
4 3 (12.00%) .NET
4 3 (12.00%) HTML5
4 3 (12.00%) HTML5 Canvas
4 3 (12.00%) Spring
4 3 (12.00%) Spring Boot
4 3 (12.00%) Vue
5 2 (8.00%) ASP.NET
5 2 (8.00%) ASP.NET Core
5 2 (8.00%) CSS3
5 2 (8.00%) REST
5 2 (8.00%) Web Services
6 1 (4.00%) ASP.NET Web API
6 1 (4.00%) Bootstrap
6 1 (4.00%) OAuth2
Miscellaneous
1 4 (16.00%) Management Information System
1 4 (16.00%) Onboarding
2 2 (8.00%) Web Conferencing
3 1 (4.00%) Legacy Systems
3 1 (4.00%) Low-Code
Processes & Methodologies
1 16 (64.00%) DevOps
2 15 (60.00%) Agile
3 13 (52.00%) CI/CD
3 13 (52.00%) Full-Stack Development
4 10 (40.00%) Containerisation
4 10 (40.00%) Software Engineering
5 8 (32.00%) AI
6 7 (28.00%) Code Quality
6 7 (28.00%) Continuous Improvement
6 7 (28.00%) Front End Development
7 6 (24.00%) API Integration
7 6 (24.00%) Clean Code
7 6 (24.00%) Scrum
7 6 (24.00%) Test Automation
8 5 (20.00%) API Design
8 5 (20.00%) Mentoring
9 4 (16.00%) Acceptance Criteria
9 4 (16.00%) Collaborative Engineering
9 4 (16.00%) SDLC
9 4 (16.00%) Technical Leadership
Programming Languages
1 11 (44.00%) TypeScript
2 8 (32.00%) Java
3 7 (28.00%) C#
4 5 (20.00%) Python
5 4 (16.00%) SQL
6 1 (4.00%) PL/SQL
Qualifications
1 6 (24.00%) Security Cleared
2 4 (16.00%) Degree
3 2 (8.00%) SC Cleared
4 1 (4.00%) AWS Certification
4 1 (4.00%) AWS Certified Cloud Practitioner
4 1 (4.00%) Azure Certification
4 1 (4.00%) ISTQB
4 1 (4.00%) ISTQB Foundation Certification
4 1 (4.00%) Microsoft Certification
Quality Assurance & Compliance
1 3 (12.00%) ISO/IEC 27001
2 2 (8.00%) HMG Security Policy Framework
3 1 (4.00%) Data Quality
3 1 (4.00%) HL7
3 1 (4.00%) QA
System Software
1 7 (28.00%) Docker
Systems Management
1 4 (16.00%) Kubernetes
Vendors
1 5 (20.00%) Microsoft
2 4 (16.00%) Sitecore
3 2 (8.00%) Oracle