WebSockets Contract Job Trends in London

WebSockets
England > London

The table below provides summary statistics and contractor rates for jobs advertised in London requiring WebSockets skills. It covers contract job vacancies from the 6 months leading up to 15 December 2025, with comparisons to the same periods in the previous two years.

6 months to
15 Dec 2025
Same period 2024 Same period 2023
Rank 370 339 326
Rank change year-on-year -31 -13 +170
Contract jobs citing WebSockets 19 30 79
As % of all contract jobs in London 0.13% 0.20% 0.41%
As % of the Libraries, Frameworks & Software Standards category 0.51% 0.77% 1.60%
Number of daily rates quoted 11 14 64
10th Percentile £600 £400 £616
25th Percentile £606 £481 £644
Median daily rate (50th Percentile) £650 £750 £800
Median % change year-on-year -13.33% -6.25% +22.14%
75th Percentile £663 £825 £850
90th Percentile £850 £875 £868
England median daily rate £620 £750 £800
% change year-on-year -17.33% -6.25% +23.08%

All Software Libraries and Frameworks
London

WebSockets falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 3,728 3,886 4,942
As % of all contract IT jobs advertised in London 26.16% 25.64% 25.93%
Number of daily rates quoted 2,520 2,536 3,734
10th Percentile £359 £379 £400
25th Percentile £425 £463 £475
Median daily rate (50th Percentile) £525 £575 £588
Median % change year-on-year -8.70% -2.13% -2.08%
75th Percentile £663 £705 £700
90th Percentile £775 £838 £800
England median daily rate £513 £550 £550
% change year-on-year -6.82% - -4.35%
Number of hourly rates quoted 27 20 30
10th Percentile £33.79 £34.83 £31.77
25th Percentile £43.13 £37.88 £36.40
Median hourly rate £55.00 £48.75 £53.75
Median % change year-on-year +12.82% -9.30% -13.65%
75th Percentile £63.38 £63.13 £71.50
90th Percentile £70.80 £71.90 £78.75
England median hourly rate £61.00 £62.50 £52.20
% change year-on-year -2.40% +19.74% -19.70%

WebSockets
Job Vacancy Trend in London

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

WebSockets job vacancy trend in London

WebSockets
Daily Rate Trend in London

Contractor daily rate distribution trend for jobs in London citing WebSockets.

Contractor daily rate distribution trend for jobs in London citing WebSockets

WebSockets
Daily Rate Histogram in London

Daily rate distribution for jobs citing WebSockets in London over the 6 months to 15 December 2025.

Daily rate histogram for WebSockets in London

WebSockets
Hourly Rate Trend in London

Contractor hourly rate distribution trend for jobs in London citing WebSockets.

Contractor hourly rate distribution trend for jobs in London citing WebSockets

WebSockets
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing WebSockets within the London region over the 6 months to 15 December 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London 0 3 £663 -11.67% 1
WebSockets
England

WebSockets
Co-Occurring Skills & Capabilities in London 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:

Applications
1 4 (21.05%) Chatbot
2 1 (5.26%) Microsoft Excel
Cloud Services
1 11 (57.89%) Azure
2 8 (42.11%) AWS
2 8 (42.11%) GCP
3 4 (21.05%) GitHub
3 4 (21.05%) GitHub Actions
3 4 (21.05%) Google Gemini
4 3 (15.79%) Cloud Run
4 3 (15.79%) Firebase
4 3 (15.79%) Vertex AI
5 2 (10.53%) Amazon S3
5 2 (10.53%) Azure Monitor
6 1 (5.26%) Amazon Cognito
6 1 (5.26%) Amazon EventBridge
6 1 (5.26%) AWS Step Functions
6 1 (5.26%) Azure DevOps
6 1 (5.26%) Azure Logic Apps
6 1 (5.26%) Azure Service Bus
6 1 (5.26%) Azure Synapse Analytics
6 1 (5.26%) Serverless
6 1 (5.26%) Vercel
Communications & Networking
1 1 (5.26%) HTTP
Database & Business Intelligence
1 1 (5.26%) Azure SQL Database
1 1 (5.26%) DynamoDB
1 1 (5.26%) SQL Server
Development Applications
1 5 (26.32%) Gatling
1 5 (26.32%) GitLab
1 5 (26.32%) JMeter
2 2 (10.53%) Snyk
3 1 (5.26%) Ant
3 1 (5.26%) Cypress.io
3 1 (5.26%) Git
3 1 (5.26%) Vite
General
1 8 (42.11%) Finance
2 6 (31.58%) Social Skills
3 5 (26.32%) Front Office
4 1 (5.26%) Banking
4 1 (5.26%) Digital Health
4 1 (5.26%) Financial Institution
4 1 (5.26%) Investment Banking
Job Titles
1 7 (36.84%) Developer
2 6 (31.58%) Senior
3 5 (26.32%) Performance Engineer
3 5 (26.32%) Performance Test Engineer
3 5 (26.32%) Senior Performance Engineer
3 5 (26.32%) Senior Test Automation Engineer
3 5 (26.32%) Senior Test Engineer
3 5 (26.32%) Test Automation Engineer
3 5 (26.32%) Test Engineer
4 4 (21.05%) Artificial Intelligence Engineer
4 4 (21.05%) Front Office Developer
4 4 (21.05%) UX Developer
5 3 (15.79%) Front-End Engineer (Client-Side Engineer)
6 1 (5.26%) Architect
6 1 (5.26%) Front-End Developer (Client-Side Developer)
6 1 (5.26%) Lead
6 1 (5.26%) Python Engineer
6 1 (5.26%) Senior Software Engineer
6 1 (5.26%) Software Engineer
6 1 (5.26%) Solutions Architect
Libraries, Frameworks & Software Standards
1 10 (52.63%) React
2 9 (47.37%) Kafka
2 9 (47.37%) REST
3 6 (31.58%) AngularJS
3 6 (31.58%) Middleware
4 5 (26.32%) GraphQL
4 5 (26.32%) gRPC
4 5 (26.32%) Highcharts JS
4 5 (26.32%) JMS
4 5 (26.32%) Next.js
4 5 (26.32%) Playwright
4 5 (26.32%) RabbitMQ
5 4 (21.05%) D3.js
5 4 (21.05%) OAuth
5 4 (21.05%) Plotly
5 4 (21.05%) Tailwind CSS
5 4 (21.05%) Vue
6 3 (15.79%) CSS
6 3 (15.79%) HTML
6 3 (15.79%) OAuth2
Miscellaneous
1 6 (31.58%) Cloud Native
2 4 (21.05%) Product Ownership
2 4 (21.05%) Spread Betting
3 2 (10.53%) Greenfield Project
3 2 (10.53%) Security Posture
4 1 (5.26%) AI Agents
4 1 (5.26%) Data Protection Act
4 1 (5.26%) Data Structures
4 1 (5.26%) Derivative
4 1 (5.26%) Equities
4 1 (5.26%) Equity Derivative
4 1 (5.26%) Wiki
Operating Systems
1 1 (5.26%) Unix
Processes & Methodologies
1 12 (63.16%) CI/CD
2 10 (52.63%) AI
3 8 (42.11%) Agile
3 8 (42.11%) Observability
3 8 (42.11%) User Experience
4 6 (31.58%) Data Visualisation
4 6 (31.58%) Test Automation
4 6 (31.58%) Visualisation
5 5 (26.32%) Analytics
5 5 (26.32%) API Testing
5 5 (26.32%) Front End Development
5 5 (26.32%) Machine Learning
5 5 (26.32%) Performance Engineering
5 5 (26.32%) Performance Testing
5 5 (26.32%) Responsive Web Design
5 5 (26.32%) Test Strategy
6 4 (21.05%) Data Science
6 4 (21.05%) DevOps
6 4 (21.05%) Low Latency
6 4 (21.05%) Stakeholder Management
Programming Languages
1 7 (36.84%) TypeScript
2 6 (31.58%) Python
3 4 (21.05%) JavaScript
4 2 (10.53%) C#
4 2 (10.53%) SQL
5 1 (5.26%) Java
5 1 (5.26%) Rust
5 1 (5.26%) Shell Script
Qualifications
1 2 (10.53%) Security Cleared
2 1 (5.26%) CTC Cleared
2 1 (5.26%) DV Cleared
2 1 (5.26%) SC Cleared
Quality Assurance & Compliance
1 6 (31.58%) QA
2 3 (15.79%) GDPR
2 3 (15.79%) ISO/IEC 27001
3 2 (10.53%) Accessibility
4 1 (5.26%) WCAG
System Software
1 9 (47.37%) Docker
Systems Management
1 5 (26.32%) Kubernetes
2 2 (10.53%) Terraform
3 1 (5.26%) Prometheus
Vendors
1 3 (15.79%) OpenAI
2 2 (10.53%) Google
3 1 (5.26%) Databricks
3 1 (5.26%) Oracle