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 18 October 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Oct 2025
Same period 2024 Same period 2023
Rank 346 352 369
Rank change year-on-year +6 +17 +127
Contract jobs citing WebSockets 22 37 65
As % of all contract jobs in London 0.16% 0.23% 0.31%
As % of the Libraries, Frameworks & Software Standards category 0.63% 0.86% 1.19%
Number of daily rates quoted 16 19 52
10th Percentile £556 £400 £625
25th Percentile £619 £513 £644
Median daily rate (50th Percentile) £725 £800 £725
Median % change year-on-year -9.38% +10.34% +3.57%
75th Percentile £800 £1,000 £825
90th Percentile £838 £1,050 £850
England median daily rate £650 £800 £725
% change year-on-year -18.75% +10.34% +7.41%

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 3,499 4,312 5,474
As % of all contract IT jobs advertised in London 26.16% 26.96% 26.05%
Number of daily rates quoted 2,372 2,850 4,137
10th Percentile £363 £375 £400
25th Percentile £425 £463 £475
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £675 £713 £713
90th Percentile £800 £850 £810
England median daily rate £510 £550 £550
% change year-on-year -7.27% - -4.35%
Number of hourly rates quoted 32 23 42
10th Percentile £31.77 £24.12 £35.00
25th Percentile £34.17 £37.50 £40.20
Median hourly rate £51.97 £42.50 £60.00
Median % change year-on-year +22.28% -29.17% -7.69%
75th Percentile £61.56 £61.97 £73.24
90th Percentile £85.95 £74.20 £89.66
England median hourly rate £54.00 £65.00 £56.95
% change year-on-year -16.92% +14.14% -12.38%

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 18 October 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 18 October 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 +13 7 £800 +18.52% 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 1 (4.55%) Chatbot
Cloud Services
1 11 (50.00%) AWS
2 10 (45.45%) Azure
3 9 (40.91%) GCP
4 5 (22.73%) Amazon CloudWatch
4 5 (22.73%) Amazon Cognito
4 5 (22.73%) Amazon EventBridge
4 5 (22.73%) Amazon S3
4 5 (22.73%) Amazon SQS
4 5 (22.73%) AWS Lambda
4 5 (22.73%) AWS Step Functions
4 5 (22.73%) Datadog
4 5 (22.73%) Serverless
5 4 (18.18%) Google Gemini
5 4 (18.18%) Vertex AI
6 3 (13.64%) Cloud Run
6 3 (13.64%) Firebase
6 3 (13.64%) GitHub
7 2 (9.09%) Azure Monitor
7 2 (9.09%) GitHub Actions
8 1 (4.55%) Vercel
Communications & Networking
1 1 (4.55%) HTTP
Database & Business Intelligence
1 5 (22.73%) DynamoDB
2 2 (9.09%) NoSQL
Development Applications
1 5 (22.73%) Gatling
1 5 (22.73%) GitLab
1 5 (22.73%) JMeter
2 2 (9.09%) Cypress.io
2 2 (9.09%) Snyk
3 1 (4.55%) Ant
3 1 (4.55%) Git
General
1 8 (36.36%) Finance
2 3 (13.64%) Banking
2 3 (13.64%) Front Office
2 3 (13.64%) Social Skills
3 1 (4.55%) Digital Health
3 1 (4.55%) Financial Institution
3 1 (4.55%) Inclusion and Diversity
3 1 (4.55%) Investment Banking
Job Titles
1 7 (31.82%) Senior
2 6 (27.27%) Software Engineer
3 5 (22.73%) Developer
3 5 (22.73%) Performance Engineer
3 5 (22.73%) Performance Test Engineer
3 5 (22.73%) Senior Performance Engineer
3 5 (22.73%) Senior Test Automation Engineer
3 5 (22.73%) Senior Test Engineer
3 5 (22.73%) Test Automation Engineer
3 5 (22.73%) Test Engineer
4 4 (18.18%) Artificial Intelligence Engineer
4 4 (18.18%) Software Design Engineer
5 3 (13.64%) Front-End Engineer (Client-Side Engineer)
5 3 (13.64%) React Developer
6 2 (9.09%) Full-Stack Developer
7 1 (4.55%) AWS Software Engineer
7 1 (4.55%) Data Visualisation Developer
7 1 (4.55%) JavaScript Engineer
7 1 (4.55%) Python Engineer
7 1 (4.55%) Senior React Developer
Libraries, Frameworks & Software Standards
1 11 (50.00%) REST
2 10 (45.45%) GraphQL
3 9 (40.91%) React
4 6 (27.27%) AngularJS
4 6 (27.27%) Kafka
4 6 (27.27%) Middleware
5 5 (22.73%) gRPC
5 5 (22.73%) JMS
5 5 (22.73%) Next.js
5 5 (22.73%) OpenTelemetry
5 5 (22.73%) Playwright
5 5 (22.73%) RabbitMQ
6 4 (18.18%) Redux
7 3 (13.64%) Highcharts JS
7 3 (13.64%) JWT
7 3 (13.64%) OAuth
7 3 (13.64%) Tailwind CSS
8 2 (9.09%) CSS3
8 2 (9.09%) HTML5
8 2 (9.09%) RESTful
Miscellaneous
1 6 (27.27%) Cloud Native
2 3 (13.64%) Greenfield Project
3 2 (9.09%) Security Posture
4 1 (4.55%) AI Agents
4 1 (4.55%) Data Structures
4 1 (4.55%) Derivative
4 1 (4.55%) Equities
4 1 (4.55%) Foreign Exchange (FX)
4 1 (4.55%) Product Ownership
4 1 (4.55%) Spread Betting
4 1 (4.55%) Wiki
Processes & Methodologies
1 16 (72.73%) CI/CD
2 11 (50.00%) Observability
3 10 (45.45%) User Experience
4 9 (40.91%) DevOps
5 7 (31.82%) AI
5 7 (31.82%) Clean Code
5 7 (31.82%) Software Engineering
5 7 (31.82%) Test Automation
6 6 (27.27%) Deployment Automation
6 6 (27.27%) Mentoring
6 6 (27.27%) Performance Optimisation
6 6 (27.27%) Technical Leadership
7 5 (22.73%) Agile
7 5 (22.73%) API Testing
7 5 (22.73%) Event-Driven Architecture
7 5 (22.73%) Infrastructure as Code
7 5 (22.73%) Performance Engineering
7 5 (22.73%) Performance Testing
7 5 (22.73%) Test Strategy
7 5 (22.73%) Visualisation
Programming Languages
1 10 (45.45%) Python
2 8 (36.36%) TypeScript
3 7 (31.82%) JavaScript
4 4 (18.18%) C#
5 2 (9.09%) Java
5 2 (9.09%) SQL
6 1 (4.55%) C++
6 1 (4.55%) Rust
Qualifications
1 2 (9.09%) Degree
2 1 (4.55%) Computer Science Degree
Quality Assurance & Compliance
1 6 (27.27%) QA
2 3 (13.64%) GDPR
2 3 (13.64%) ISO/IEC 27001
3 1 (4.55%) Accessibility
System Software
1 9 (40.91%) Docker
Systems Management
1 6 (27.27%) Kubernetes
2 5 (22.73%) Prometheus
3 2 (9.09%) Terraform
Vendors
1 3 (13.64%) OpenAI
2 2 (9.09%) Google
3 1 (4.55%) Databricks