Period
to 14 August 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for WebSockets skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WebSockets over the 6 months to 14 August 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

WebSockets
Central London > City of London
6 months to
14 Aug 2020
Same period 2019 Same period 2018
Rank 125 221 251
Rank change year-on-year +96 +30 -30
Contract jobs citing WebSockets 4 15 8
As % of all contract jobs advertised in the City of London 0.19% 0.23% 0.11%
As % of the Libraries, Frameworks & Software Standards category 0.57% 0.63% 0.29%
Number of daily rates quoted 4 15 8
Median daily rate £663 £600 £513
Median daily rate % change year-on-year +10.42% +17.07% -3.30%
10th Percentile £485 £450 £418
90th Percentile £713 £705 £626
Central London median daily rate £663 £600 £500
% change year-on-year +10.42% +20.00% -5.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

WebSockets is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract 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
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 705 2,372 2,762
As % of all contract IT jobs advertised in the City of London 33.07% 36.71% 39.55%
Number of daily rates quoted 516 1,918 2,254
Median daily rate £525 £525 £525
10th Percentile £375 £409 £372
90th Percentile £688 £675 £675
Central London median daily rate £525 £525 £525
Number of hourly rates quoted 9 12 11
Median hourly rate £35.00 £46.85 £22.00
Median hourly rate % change year-on-year -25.29% +112.94% -10.15%
10th Percentile £30.90 £23.28 £21.00
90th Percentile £49.70 £60.33 £62.50
Median hourly rate £35.00 £49.13 £27.00
% change year-on-year -28.76% +81.96% +10.84%

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
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for WebSockets in the City of London

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 14 August 2020.

Daily rate histogram for WebSockets in the City of London

For the 6 months to 14 August 2020, IT contractor 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 contract job ads across the City of London region with a requirement for WebSockets.

1 4 (100.00%) AngularJS
1 4 (100.00%) TypeScript
2 2 (50.00%) Front Office
2 2 (50.00%) HTML
2 2 (50.00%) JavaScript
2 2 (50.00%) PostgreSQL
2 2 (50.00%) Banking
2 2 (50.00%) SignalR
2 2 (50.00%) Investment Banking
2 2 (50.00%) Git (software)
2 2 (50.00%) Azure
2 2 (50.00%) AWS
2 2 (50.00%) RxJS
2 2 (50.00%) Docker
2 2 (50.00%) Terraform
2 2 (50.00%) Redux
3 1 (25.00%) .NET Core
3 1 (25.00%) Serverless
3 1 (25.00%) Infrastructure as Code
3 1 (25.00%) C#
3 1 (25.00%) DevOps
3 1 (25.00%) Microservices
3 1 (25.00%) Data Structures
3 1 (25.00%) Algorithms
3 1 (25.00%) GCP
3 1 (25.00%) Kubernetes
3 1 (25.00%) React
3 1 (25.00%) Kotlin
3 1 (25.00%) SOLID
3 1 (25.00%) Android Development

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 (25.00%) Elasticsearch
Cloud Services
1 2 (50.00%) AWS
1 2 (50.00%) Azure
2 1 (25.00%) Cloud Computing
2 1 (25.00%) GCP
2 1 (25.00%) Serverless
Database & Business Intelligence
1 2 (50.00%) PostgreSQL
2 1 (25.00%) Amazon DynamoDB
2 1 (25.00%) MySQL
2 1 (25.00%) NoSQL
2 1 (25.00%) SQL Server
Development Applications
1 2 (50.00%) Git (software)
2 1 (25.00%) Jenkins
2 1 (25.00%) JIRA
General
1 2 (50.00%) Banking
1 2 (50.00%) Front Office
1 2 (50.00%) Investment Banking
2 1 (25.00%) Finance
Job Titles
1 3 (75.00%) Developer
2 2 (50.00%) Angular Developer
3 1 (25.00%) .NET Developer
3 1 (25.00%) C# .NET Developer
3 1 (25.00%) C# Developer
3 1 (25.00%) Chief Technology Officer
3 1 (25.00%) Full Stack Developer
3 1 (25.00%) HTML Developer
3 1 (25.00%) React Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) AngularJS
2 2 (50.00%) HTML
2 2 (50.00%) Redux
2 2 (50.00%) RxJS
2 2 (50.00%) SignalR
3 1 (25.00%) .NET
3 1 (25.00%) .NET Core
3 1 (25.00%) CSS
3 1 (25.00%) HTML5
3 1 (25.00%) React
3 1 (25.00%) REST
Miscellaneous
1 1 (25.00%) Algorithms
1 1 (25.00%) Data Structures
Operating Systems
1 1 (25.00%) Android
1 1 (25.00%) Apple iOS
Processes & Methodologies
1 1 (25.00%) Agile Software Development
1 1 (25.00%) Android Development
1 1 (25.00%) Artificial Intelligence
1 1 (25.00%) Asset Management
1 1 (25.00%) DevOps
1 1 (25.00%) Infrastructure as Code
1 1 (25.00%) iOS Development
1 1 (25.00%) Microservices
1 1 (25.00%) Software Architecture
1 1 (25.00%) SOLID
1 1 (25.00%) Web Development
Programming Languages
1 4 (100.00%) TypeScript
2 2 (50.00%) JavaScript
3 1 (25.00%) Bash Shell
3 1 (25.00%) C#
3 1 (25.00%) Java
3 1 (25.00%) Kotlin
3 1 (25.00%) Python
Qualifications
1 1 (25.00%) Degree
System Software
1 2 (50.00%) Docker
Systems Management
1 2 (50.00%) Terraform
2 1 (25.00%) Ansible
2 1 (25.00%) Kubernetes