JavaScript Contract Job Trends in Westminster

JavaScript (including ECMAScript)
City of Westminster > Westminster

The table below provides summary statistics and contractor rates for jobs advertised in Westminster requiring JavaScript skills. It covers contract job vacancies from the 6 months leading up to 2 August 2026, with comparisons to the same periods in the previous two years.

6 months to
2 Aug 2026
Same period 2025 Same period 2024
Rank 8 6 5
Rank change year-on-year -2 -1 -
Contract jobs citing JavaScript 8 1 1
As % of all contract jobs in Westminster 22.22% 7.69% 14.29%
As % of the Programming Languages category 53.33% 33.33% 25.00%
Number of daily rates quoted 6 0 1
10th Percentile £580 - -
25th Percentile £613 - £463
Median daily rate (50th Percentile) £650 - £475
75th Percentile - - £488
90th Percentile - - -
City of Westminster median daily rate £650 £475 £500
% change year-on-year +36.84% -5.00% +8.11%

All Programming Languages
Westminster

JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring coding skills in Westminster.

Contract vacancies with a requirement for coding skills 15 3 4
As % of all contract IT jobs advertised in Westminster 41.67% 23.08% 57.14%
Number of daily rates quoted 10 1 2
10th Percentile £535 - £479
25th Percentile £600 £463 £503
Median daily rate (50th Percentile) £650 £475 £563
Median % change year-on-year +36.84% -15.56% +25.00%
75th Percentile - £488 £628
90th Percentile £700 - £656
City of Westminster median daily rate £650 £563 £575
% change year-on-year +15.56% -2.17% +4.55%

JavaScript
Job Vacancy Trend in Westminster

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

JavaScript job vacancy trend in Westminster

JavaScript
Daily Rate Trend in Westminster

Contractor daily rate distribution trend for jobs in Westminster citing JavaScript.

Contractor daily rate distribution trend for jobs in Westminster citing JavaScript

JavaScript
Co-Occurring Skills & Capabilities in Westminster 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 2 (25.00%) SharePoint
Cloud Services
1 4 (50.00%) AWS
1 4 (50.00%) GitHub
1 4 (50.00%) GitHub Actions
2 3 (37.50%) Amazon Cognito
2 3 (37.50%) Amazon ECR
2 3 (37.50%) Amazon ECS
2 3 (37.50%) Amazon S3
2 3 (37.50%) AWS CodePipeline
2 3 (37.50%) Azure
3 2 (25.00%) Dynamics 365
3 2 (25.00%) Power Automate
3 2 (25.00%) Power Platform
3 2 (25.00%) PowerApps
4 1 (12.50%) Azure AKS
4 1 (12.50%) Azure DevOps
4 1 (12.50%) Microsoft 365
Communications & Networking
1 3 (37.50%) Network Security
Database & Business Intelligence
1 3 (37.50%) Amazon Athena
2 2 (25.00%) SQL Server
3 1 (12.50%) NoSQL
3 1 (12.50%) Power BI
Development Applications
1 2 (25.00%) Cypress.io
1 2 (25.00%) Git
2 1 (12.50%) Gatling
2 1 (12.50%) JIRA
2 1 (12.50%) JMeter
2 1 (12.50%) Postman
2 1 (12.50%) REST Assured
2 1 (12.50%) Selenium
2 1 (12.50%) Visual Studio Code
2 1 (12.50%) Vite
General
1 3 (37.50%) Social Skills
2 1 (12.50%) Analytical Skills
2 1 (12.50%) Law
2 1 (12.50%) Police
2 1 (12.50%) Public Sector
Job Titles
1 3 (37.50%) Cloud Engineer
1 3 (37.50%) Developer
2 2 (25.00%) Applications Developer
3 1 (12.50%) Java Engineer
3 1 (12.50%) Java Software Engineer
3 1 (12.50%) QA Engineer
3 1 (12.50%) QA Test Engineer
3 1 (12.50%) React Developer
3 1 (12.50%) Senior
3 1 (12.50%) Senior Applications Developer
3 1 (12.50%) Senior Developer
3 1 (12.50%) Software Engineer
3 1 (12.50%) Test Engineer
Libraries, Frameworks & Software Standards
1 3 (37.50%) Lambda Expressions
1 3 (37.50%) Plotly
2 2 (25.00%) CSS
2 2 (25.00%) HTML
2 2 (25.00%) HTML5 Canvas
2 2 (25.00%) REST
2 2 (25.00%) RESTful
3 1 (12.50%) CSS3
3 1 (12.50%) GraphQL
3 1 (12.50%) HTML5
3 1 (12.50%) Jest
3 1 (12.50%) Material-UI
3 1 (12.50%) Next.js
3 1 (12.50%) Node.js
3 1 (12.50%) Playwright
3 1 (12.50%) React
3 1 (12.50%) Redux
3 1 (12.50%) Spring
3 1 (12.50%) Spring Boot
3 1 (12.50%) WebSockets
Miscellaneous
1 2 (25.00%) Foreign Exchange (FX)
Processes & Methodologies
1 7 (87.50%) CI/CD
2 3 (37.50%) Infrastructure as Code
2 3 (37.50%) Microservices
2 3 (37.50%) Problem-Solving
2 3 (37.50%) Workflow
3 2 (25.00%) Agile
3 2 (25.00%) Data Modelling
3 2 (25.00%) DevOps
3 2 (25.00%) Scrum
3 2 (25.00%) Test Automation
4 1 (12.50%) API Development
4 1 (12.50%) API Integration
4 1 (12.50%) Continuous Improvement
4 1 (12.50%) Mentoring
4 1 (12.50%) Responsive Web Design
4 1 (12.50%) SDLC
4 1 (12.50%) Stakeholder Engagement
4 1 (12.50%) Test Strategy
4 1 (12.50%) User Experience
4 1 (12.50%) UX Design
Programming Languages
1 2 (25.00%) Java
1 2 (25.00%) TypeScript
2 1 (12.50%) Python
Qualifications
1 5 (62.50%) SC Cleared
1 5 (62.50%) Security Cleared
2 1 (12.50%) BPSS Clearance
Quality Assurance & Compliance
1 2 (25.00%) Accessibility
1 2 (25.00%) QA
2 1 (12.50%) WCAG
System Software
1 2 (25.00%) Docker
Systems Management
1 3 (37.50%) Terraform
2 1 (12.50%) Kubernetes
Vendors
1 2 (25.00%) Microsoft