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 vacancies from the 6 months leading up to 16 September 2025, with comparisons to the same periods in the previous two years.

6 months to
16 Sep 2025
Same period 2024 Same period 2023
Rank 114 122 150
Rank change year-on-year +8 +28 +37
Contract jobs citing WebSockets 8 5 5
As % of all contract jobs advertised in the City of London 0.45% 0.24% 0.16%
As % of the Libraries, Frameworks & Software Standards category 1.87% 1.00% 0.63%
Number of daily rates quoted 6 3 2
10th Percentile £775 - £537
25th Percentile - £525 £583
Median daily rate (50th Percentile) £800 £550 £669
Median % change year-on-year +45.45% -17.76% -16.41%
75th Percentile - £700 £758
90th Percentile £825 £775 £806
Central London median daily rate £800 £550 £669
% change year-on-year +45.45% -17.76% -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 428 500 792
As % of all contract IT jobs advertised in the City of London 24.33% 24.17% 26.03%
Number of daily rates quoted 280 322 523
10th Percentile £400 £425 £413
25th Percentile £450 £505 £495
Median daily rate (50th Percentile) £575 £600 £620
Median % change year-on-year -4.17% -3.23% +3.33%
75th Percentile £675 £723 £738
90th Percentile £751 £836 £825
Central London median daily rate £575 £600 £620
% change year-on-year -4.17% -3.23% +3.33%
Number of hourly rates quoted 2 1 1
10th Percentile £63.75 - -
25th Percentile £67.50 £36.75 -
Median hourly rate £75.00 £38.50 £53.00
Median % change year-on-year +94.81% -27.36% +11.58%
75th Percentile £82.50 £40.25 -
90th Percentile £86.25 - -
Central London median hourly rate £62.50 £32.15 £53.00
% change year-on-year +94.43% -39.35% +11.58%

WebSockets
Job Vacancy Trend in the City of London

Job postings citing WebSockets as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for WebSockets 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
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (12.50%) IIS
Cloud Services
1 5 (62.50%) Amazon CloudWatch
1 5 (62.50%) Amazon Cognito
1 5 (62.50%) Amazon EventBridge
1 5 (62.50%) Amazon S3
1 5 (62.50%) Amazon SQS
1 5 (62.50%) AWS
1 5 (62.50%) AWS Lambda
1 5 (62.50%) AWS Step Functions
1 5 (62.50%) Datadog
1 5 (62.50%) Serverless
2 2 (25.00%) Azure
2 2 (25.00%) Azure Monitor
2 2 (25.00%) Cloud Run
2 2 (25.00%) Firebase
2 2 (25.00%) GCP
2 2 (25.00%) GitHub
2 2 (25.00%) GitHub Actions
2 2 (25.00%) Google Gemini
2 2 (25.00%) Vertex AI
3 1 (12.50%) Entra ID
Communications & Networking
1 1 (12.50%) HTTP
Database & Business Intelligence
1 5 (62.50%) DynamoDB
2 1 (12.50%) MySQL
2 1 (12.50%) Relational Database
2 1 (12.50%) SQL Server
Development Applications
1 2 (25.00%) Snyk
2 1 (12.50%) Ant
2 1 (12.50%) JMeter
2 1 (12.50%) LoadRunner
General
1 2 (25.00%) Finance
2 1 (12.50%) Banking
2 1 (12.50%) Financial Institution
2 1 (12.50%) Investment Banking
2 1 (12.50%) Social Skills
Job Titles
1 4 (50.00%) Software Design Engineer
1 4 (50.00%) Software Engineer
2 2 (25.00%) Artificial Intelligence Engineer
2 2 (25.00%) Front-End Engineer (Client-Side Engineer)
3 1 (12.50%) Analyst
3 1 (12.50%) Architect
3 1 (12.50%) AWS Architect
3 1 (12.50%) Non-Functional Test Analyst
3 1 (12.50%) Test Analyst
Libraries, Frameworks & Software Standards
1 7 (87.50%) GraphQL
2 5 (62.50%) AngularJS
2 5 (62.50%) OpenTelemetry
3 2 (25.00%) CSS
3 2 (25.00%) CSS3
3 2 (25.00%) HTML
3 2 (25.00%) HTML5
3 2 (25.00%) JWT
3 2 (25.00%) Next.js
3 2 (25.00%) OAuth
3 2 (25.00%) OAuth2
3 2 (25.00%) React
3 2 (25.00%) Redux
3 2 (25.00%) REST
3 2 (25.00%) Tailwind CSS
3 2 (25.00%) Zustand
4 1 (12.50%) AWS CDK
4 1 (12.50%) FIX Protocol
4 1 (12.50%) Highcharts JS
Miscellaneous
1 1 (12.50%) Cloud Native
1 1 (12.50%) Greenfield Project
1 1 (12.50%) Security Posture
Operating Systems
1 1 (12.50%) Linux
1 1 (12.50%) Windows
Processes & Methodologies
1 7 (87.50%) CI/CD
1 7 (87.50%) User Experience
2 6 (75.00%) DevOps
2 6 (75.00%) Observability
3 5 (62.50%) Clean Code
3 5 (62.50%) Deployment Automation
3 5 (62.50%) Event-Driven
3 5 (62.50%) Event-Driven Architecture
3 5 (62.50%) Infrastructure as Code
3 5 (62.50%) Mentoring
3 5 (62.50%) Performance Optimisation
3 5 (62.50%) Software Engineering
3 5 (62.50%) Technical Leadership
4 2 (25.00%) Agile
4 2 (25.00%) Artificial Intelligence
4 2 (25.00%) Cloud Operations
4 2 (25.00%) Generative AI
4 2 (25.00%) LLM
4 2 (25.00%) OWASP
4 2 (25.00%) UX Design
Programming Languages
1 5 (62.50%) Python
2 2 (25.00%) TypeScript
3 1 (12.50%) Java
3 1 (12.50%) JavaScript
Qualifications
1 1 (12.50%) Degree
Quality Assurance & Compliance
1 2 (25.00%) GDPR
1 2 (25.00%) ISO/IEC 27001
System Software
1 2 (25.00%) Docker
Systems Management
1 5 (62.50%) Prometheus
2 2 (25.00%) Terraform
Vendors
1 2 (25.00%) Google
1 2 (25.00%) OpenAI
2 1 (12.50%) HP