WebSockets Contract Job Trends in the City of London

WebSockets
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring WebSockets skills. It covers contract job vacancies from the 6 months leading up to 8 November 2025, with comparisons to the same periods in the previous two years.

 6 months to
8 Nov 2025		 Same period 2024 Same period 2023
Rank 118 119 142
Rank change year-on-year +1 +23 +50
Contract jobs citing WebSockets 6 4 3
As % of all contract jobs in the City of London 0.34% 0.19% 0.11%
As % of the Libraries, Frameworks & Software Standards category 1.41% 0.78% 0.44%
Number of daily rates quoted 5 2 2
10th Percentile £608 £550 £537
25th Percentile £750 £588 £583
Median daily rate (50th Percentile) £800 £675 £669
Median % change year-on-year +18.52% +0.93% -16.41%
75th Percentile - £763 £758
90th Percentile £830 £800 £806
Central London median daily rate £800 £675 £669
% change year-on-year +18.52% +0.93% -16.41%

All Software Libraries and Frameworks
City of 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 the City of London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 426 513 679
As % of all contract IT jobs advertised in the City of London 24.48% 24.23% 24.25%
Number of daily rates quoted 299 307 463
10th Percentile £381 £413 £400
25th Percentile £425 £506 £475
Median daily rate (50th Percentile) £550 £600 £620
Median % change year-on-year -8.33% -3.23% +3.33%
75th Percentile £675 £708 £713
90th Percentile £738 £838 £825
Central London median daily rate £550 £600 £600
% change year-on-year -8.33% - -
Number of hourly rates quoted 3 1 2
10th Percentile £46.25 - £46.93
25th Percentile £51.88 £36.75 £47.94
Median hourly rate £62.50 £38.50 £50.25
Median % change year-on-year +62.34% -23.38% -1.47%
75th Percentile £76.25 £40.25 £51.94
90th Percentile £83.75 - £52.58
Central London median hourly rate £56.97 £38.50 £50.25
% change year-on-year +47.97% -23.38% -1.47%

WebSockets
Job Vacancy Trend in the City of London

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

WebSockets job vacancy trend in the City of London

WebSockets
Daily Rate Trend in the City of London

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

Contractor daily rate distribution trend for jobs in the City of London citing WebSockets

WebSockets
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing WebSockets in the City of London over the 6 months to 8 November 2025.

Daily rate histogram for WebSockets in the City of London

WebSockets
Co-Occurring Skills & Capabilities in the City of 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:

Cloud Services
1 3 (50.00%) Amazon CloudWatch
1 3 (50.00%) Amazon Cognito
1 3 (50.00%) Amazon EventBridge
1 3 (50.00%) Amazon S3
1 3 (50.00%) Amazon SQS
1 3 (50.00%) AWS
1 3 (50.00%) AWS Lambda
1 3 (50.00%) AWS Step Functions
1 3 (50.00%) Datadog
1 3 (50.00%) Google Gemini
1 3 (50.00%) Serverless
1 3 (50.00%) Vertex AI
2 2 (33.33%) Azure
2 2 (33.33%) Azure Monitor
2 2 (33.33%) Cloud Run
2 2 (33.33%) Firebase
2 2 (33.33%) GCP
2 2 (33.33%) GitHub
2 2 (33.33%) GitHub Actions
3 1 (16.67%) Entra ID
Database & Business Intelligence
1 3 (50.00%) DynamoDB
Development Applications
1 2 (33.33%) Snyk
2 1 (16.67%) Ant
General
1 2 (33.33%) Finance
2 1 (16.67%) Banking
2 1 (16.67%) Financial Institution
2 1 (16.67%) Investment Banking
Job Titles
1 3 (50.00%) Artificial Intelligence Engineer
1 3 (50.00%) Software Design Engineer
1 3 (50.00%) Software Engineer
2 2 (33.33%) Front-End Engineer (Client-Side Engineer)
3 1 (16.67%) JavaScript Engineer
Libraries, Frameworks & Software Standards
1 6 (100.00%) GraphQL
2 3 (50.00%) AngularJS
2 3 (50.00%) Next.js
2 3 (50.00%) OpenTelemetry
3 2 (33.33%) CSS
3 2 (33.33%) CSS3
3 2 (33.33%) HTML
3 2 (33.33%) HTML5
3 2 (33.33%) JWT
3 2 (33.33%) OAuth
3 2 (33.33%) OAuth2
3 2 (33.33%) React
3 2 (33.33%) Redux
3 2 (33.33%) REST
3 2 (33.33%) Tailwind CSS
3 2 (33.33%) Zustand
4 1 (16.67%) Highcharts JS
4 1 (16.67%) NestJS
Miscellaneous
1 1 (16.67%) AI Agents
1 1 (16.67%) Greenfield Project
1 1 (16.67%) Security Posture
Processes & Methodologies
1 5 (83.33%) CI/CD
1 5 (83.33%) User Experience
2 4 (66.67%) DevOps
2 4 (66.67%) Observability
3 3 (50.00%) AI
3 3 (50.00%) Clean Code
3 3 (50.00%) Deployment Automation
3 3 (50.00%) Event-Driven
3 3 (50.00%) Event-Driven Architecture
3 3 (50.00%) Infrastructure as Code
3 3 (50.00%) LLM
3 3 (50.00%) Mentoring
3 3 (50.00%) Performance Optimisation
3 3 (50.00%) Software Engineering
3 3 (50.00%) Technical Leadership
4 2 (33.33%) Agile
4 2 (33.33%) Cloud Operations
4 2 (33.33%) Generative AI
4 2 (33.33%) OWASP
4 2 (33.33%) UX Design
Programming Languages
1 3 (50.00%) Python
1 3 (50.00%) TypeScript
2 2 (33.33%) JavaScript
3 1 (16.67%) Rust
Quality Assurance & Compliance
1 2 (33.33%) GDPR
1 2 (33.33%) ISO/IEC 27001
System Software
1 2 (33.33%) Docker
Systems Management
1 3 (50.00%) Prometheus
2 1 (16.67%) Terraform
Vendors
1 2 (33.33%) Google
1 2 (33.33%) OpenAI
45 WebSockets jobs in Central London