Period
to

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for WebSockets skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited WebSockets over the 6 months to 23 May 2022 with a comparison to the same period in the previous 2 years.

WebSockets
Central London > City of London
6 months to
23 May 2022
Same period 2021 Same period 2020
Rank 264 216 226
Rank change year-on-year -48 +10 +67
Permanent jobs citing WebSockets 13 15 40
As % of all permanent jobs advertised in the City of London 0.18% 0.30% 0.57%
As % of the Libraries, Frameworks & Software Standards category 0.55% 0.74% 1.50%
Number of salaries quoted 12 15 32
10th Percentile £49,125 £62,500 £55,500
25th Percentile £63,750 £64,375 £60,000
Median annual salary (50th Percentile) £70,000 £80,000 £67,500
Median % change year-on-year -12.50% +18.52% +42.11%
75th Percentile £100,625 £110,000 £86,563
90th Percentile £133,250 £121,500 £93,125
Central London median annual salary £70,000 £80,000 £70,000
% change year-on-year -12.50% +14.29% +47.37%

WebSockets is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,385 2,039 2,669
As % of all permanent IT jobs advertised in the City of London 32.61% 40.80% 37.99%
Number of salaries quoted 2,002 1,879 2,372
10th Percentile £48,750 £46,250 £46,250
25th Percentile £60,000 £57,500 £55,000
Median annual salary (50th Percentile) £77,500 £75,000 £70,000
Median % change year-on-year +3.33% +7.14% +3.70%
75th Percentile £100,000 £90,000 £85,000
90th Percentile £110,000 £106,500 £98,750
Central London median annual salary £77,500 £72,500 £70,000
% change year-on-year +6.90% +3.57% +3.70%

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
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing WebSockets in the City of London.

Salary trend for WebSockets in the City of London

WebSockets
Salary Histogram in the City of London

Salary distribution for jobs citing WebSockets in the City of London over the 6 months to 23 May 2022.

Salary histogram for WebSockets in the City of London

For the 6 months to 23 May 2022, IT jobs citing WebSockets also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for WebSockets.

1 8 (61.54%) React
2 6 (46.15%) Redux
2 6 (46.15%) Social Skills
2 6 (46.15%) DNS
2 6 (46.15%) Java
2 6 (46.15%) Web Services
2 6 (46.15%) Amazon S3
2 6 (46.15%) AWS
2 6 (46.15%) CloudFront
3 5 (38.46%) Electronic Trading
3 5 (38.46%) Python
3 5 (38.46%) Foreign Exchange (FX)
3 5 (38.46%) PostgreSQL
3 5 (38.46%) Web Development
3 5 (38.46%) Greenfield Project
3 5 (38.46%) TypeScript
4 4 (30.77%) Flask
4 4 (30.77%) API Development
4 4 (30.77%) Amazon EC2
4 4 (30.77%) Cloudflare
4 4 (30.77%) Amazon Athena
4 4 (30.77%) FastAPI
4 4 (30.77%) Video\Live Streaming
4 4 (30.77%) Git (software)
4 4 (30.77%) Django
4 4 (30.77%) AMQP
4 4 (30.77%) Video on Demand
4 4 (30.77%) SQLAlchemy
4 4 (30.77%) SIEM
4 4 (30.77%) Redis

WebSockets
Co-occurring IT Skills in the City of London by Category

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

Application Platforms
1 1 (7.69%) CMS
1 1 (7.69%) Umbraco
1 1 (7.69%) WordPress
Applications
1 1 (7.69%) Adobe Creative Suite
Cloud Services
1 6 (46.15%) Amazon S3
1 6 (46.15%) AWS
1 6 (46.15%) CloudFront
2 4 (30.77%) Amazon EC2
2 4 (30.77%) Cloudflare
3 3 (23.08%) Amazon ECS
4 2 (15.38%) Amazon CloudWatch
4 2 (15.38%) AWS Lambda
4 2 (15.38%) Serverless
4 2 (15.38%) Virtual Private Cloud
5 1 (7.69%) Amazon EKS
5 1 (7.69%) GitHub
5 1 (7.69%) Google Analytics
5 1 (7.69%) Route 53
Communications & Networking
1 6 (46.15%) DNS
2 4 (30.77%) AMQP
3 1 (7.69%) HTTP
3 1 (7.69%) SSL
3 1 (7.69%) TCP/IP
Database & Business Intelligence
1 5 (38.46%) PostgreSQL
2 4 (30.77%) Amazon Athena
2 4 (30.77%) Redis
3 3 (23.08%) Amazon DynamoDB
4 1 (7.69%) Amazon RDS
4 1 (7.69%) Big Data
4 1 (7.69%) MySQL
Development Applications
1 4 (30.77%) Git (software)
2 1 (7.69%) Bitbucket
2 1 (7.69%) CircleCI
2 1 (7.69%) Cypress.io
2 1 (7.69%) Selenium
General
1 6 (46.15%) Social Skills
2 3 (23.08%) Automotive
2 3 (23.08%) Aviation
2 3 (23.08%) Retail
3 1 (7.69%) Finance
3 1 (7.69%) Law
3 1 (7.69%) Public Sector
Job Titles
1 11 (84.62%) Developer
2 6 (46.15%) React Developer
3 5 (38.46%) Electronic Trading Developer
4 4 (30.77%) Django Developer
4 4 (30.77%) Python Developer
4 4 (30.77%) Python/Django Developer
5 3 (23.08%) Senior Developer
5 3 (23.08%) Senior Python Developer
6 1 (7.69%) AWS Engineer
6 1 (7.69%) Full Stack Developer
6 1 (7.69%) Lead Developer
6 1 (7.69%) Site Engineer
6 1 (7.69%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 8 (61.54%) React
2 6 (46.15%) Redux
2 6 (46.15%) Web Services
3 4 (30.77%) Django
3 4 (30.77%) FastAPI
3 4 (30.77%) Flask
3 4 (30.77%) SQLAlchemy
4 3 (23.08%) Node.js
4 3 (23.08%) REST
5 1 (7.69%) AWS Amplify
5 1 (7.69%) Celery
5 1 (7.69%) CSS
5 1 (7.69%) CSS3
5 1 (7.69%) GraphQL
5 1 (7.69%) HTML
5 1 (7.69%) HTML5
5 1 (7.69%) jQuery
5 1 (7.69%) pytest
Miscellaneous
1 5 (38.46%) Foreign Exchange (FX)
1 5 (38.46%) Greenfield Project
2 4 (30.77%) Video on Demand
2 4 (30.77%) Video\Live Streaming
3 2 (15.38%) User Experience
4 1 (7.69%) Graphic Design
Processes & Methodologies
1 5 (38.46%) Electronic Trading
1 5 (38.46%) Web Development
2 4 (30.77%) API Development
2 4 (30.77%) SIEM
3 3 (23.08%) E-Commerce
4 2 (15.38%) CI/CD
4 2 (15.38%) Full Stack Development
5 1 (7.69%) Analytics
5 1 (7.69%) Artificial Intelligence
5 1 (7.69%) Asset Management
5 1 (7.69%) Continuous Delivery
5 1 (7.69%) Cross-Browser Compatibility
5 1 (7.69%) Deep Learning
5 1 (7.69%) DevOps
5 1 (7.69%) GitOps
5 1 (7.69%) Infrastructure as Code
5 1 (7.69%) Microservices
5 1 (7.69%) Product Roadmap
5 1 (7.69%) Site Reliability Engineering
5 1 (7.69%) Wireframes
Programming Languages
1 6 (46.15%) Java
2 5 (38.46%) Python
2 5 (38.46%) TypeScript
3 3 (23.08%) JavaScript
4 1 (7.69%) C#
4 1 (7.69%) C++
4 1 (7.69%) PHP
4 1 (7.69%) SQL
Quality Assurance & Compliance
1 1 (7.69%) Accessibility
1 1 (7.69%) QA
System Software
1 2 (15.38%) Docker
Systems Management
1 1 (7.69%) Grafana
1 1 (7.69%) Kubernetes
1 1 (7.69%) Prometheus
1 1 (7.69%) Terraform
Vendors
1 1 (7.69%) Adobe
1 1 (7.69%) Google