Period
to 23 April 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for CSS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CSS over the 6 months to 23 April 2021 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.

CSS (Cascading Style Sheets)
Central London > City of London
6 months to
23 Apr 2021
Same period 2020 Same period 2019
Rank 58 27 30
Rank change year-on-year -31 +3 -9
Contract jobs citing CSS 94 231 418
As % of all contract jobs advertised in the City of London 3.71% 6.06% 6.23%
As % of the Libraries, Frameworks & Software Standards category 11.26% 17.74% 16.61%
Number of daily rates quoted 77 175 347
10th Percentile £339 £350 £338
25th Percentile £406 £425 £416
Median daily rate (50th Percentile) £473 £525 £500
Median % change year-on-year -10.00% +5.00% +5.26%
75th Percentile £550 £613 £575
90th Percentile " £675 £625
Central London median daily rate £475 £513 £500
% change year-on-year -7.32% +2.50% +5.26%
Number of hourly rates quoted 0 0 2
Median hourly rate - - £16.50
Central London median hourly rate - - £16.50

CSS 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 835 1,302 2,517
As % of all contract IT jobs advertised in the City of London 32.96% 34.17% 37.49%
Number of daily rates quoted 631 1,035 2,029
10th Percentile £375 £384 £409
25th Percentile £450 £450 £463
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - +0.96%
75th Percentile £628 £622 £600
90th Percentile £694 £688 £675
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - +5.00%
Number of hourly rates quoted 3 4 8
10th Percentile £15.25 £36.50 £12.88
25th Percentile £15.63 £42.13 £17.38
Median hourly rate £17.50 £50.75 £28.75
Median % change year-on-year -65.52% +76.52% +33.72%
75th Percentile £20.63 £58.44 £42.25
90th Percentile £21.75 £60.13 £56.50
Central London median hourly rate £17.50 £55.00 £35.00
% change year-on-year -68.18% +57.14% +62.79%

CSS
Job Vacancy Trend in the City of London

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

Job vacancy trend for CSS in the City of London

CSS
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for CSS in the City of London

CSS
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing CSS in the City of London over the 6 months to 23 April 2021.

Daily rate histogram for CSS in the City of London

CSS
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing CSS in the City of London.

Hourly rate trend for CSS in the City of London

For the 6 months to 23 April 2021, IT contractor jobs citing CSS 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 CSS.

1 89 (94.68%) HTML
2 76 (80.85%) JavaScript
3 41 (43.62%) HTML5
4 34 (36.17%) Sass
4 34 (36.17%) Agile Software Development
5 32 (34.04%) CSS3
6 31 (32.98%) Front End Development
7 30 (31.91%) AngularJS
7 30 (31.91%) Git (software)
7 30 (31.91%) TDD
8 25 (26.60%) DevOps
8 25 (26.60%) React
9 24 (25.53%) Azure
10 23 (24.47%) Docker
11 22 (23.40%) AWS
11 22 (23.40%) Software Engineering
12 21 (22.34%) Jenkins
13 20 (21.28%) LESS
13 20 (21.28%) PHP
13 20 (21.28%) Web Services
13 20 (21.28%) MVC
14 19 (20.21%) Node.js
14 19 (20.21%) Vue.js
15 17 (18.09%) Vuetify.js
15 17 (18.09%) User Experience
15 17 (18.09%) Laravel
16 15 (15.96%) Redux
17 11 (11.70%) ES6
17 11 (11.70%) Java
17 11 (11.70%) MySQL

CSS
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 6 (6.38%) SharePoint
2 5 (5.32%) Drupal
2 5 (5.32%) SharePoint 2010
3 2 (2.13%) CMS
3 2 (2.13%) JBoss
3 2 (2.13%) WordPress
4 1 (1.06%) Adobe Experience Manager
4 1 (1.06%) Apache
4 1 (1.06%) Appian
4 1 (1.06%) IIS
4 1 (1.06%) Jupyter
4 1 (1.06%) Oracle SOA Suite
4 1 (1.06%) Umbraco
Applications
1 5 (5.32%) InfoPath
Business Applications
1 2 (2.13%) Magento
Cloud Services
1 24 (25.53%) Azure
2 22 (23.40%) AWS
3 7 (7.45%) Power Platform
4 5 (5.32%) Microsoft 365
4 5 (5.32%) Serverless
4 5 (5.32%) Slack
5 4 (4.26%) npm
5 4 (4.26%) SaaS
6 2 (2.13%) GCP
6 2 (2.13%) GitHub
6 2 (2.13%) PaaS
7 1 (1.06%) Amazon Cognito
7 1 (1.06%) Apigee
7 1 (1.06%) AWS CloudFormation
7 1 (1.06%) AWS Lambda
7 1 (1.06%) Azure Functions
7 1 (1.06%) Azure Logic Apps
7 1 (1.06%) Azure Storage
7 1 (1.06%) Salesforce Sales Cloud
7 1 (1.06%) Salesforce Service Cloud
Communications & Networking
1 2 (2.13%) HTTPS
2 1 (1.06%) HTTP
2 1 (1.06%) Internet
Database & Business Intelligence
1 11 (11.70%) MySQL
2 7 (7.45%) Power BI
3 6 (6.38%) Amazon DynamoDB
3 6 (6.38%) MongoDB
3 6 (6.38%) Tableau
4 5 (5.32%) NoSQL
5 3 (3.19%) SQL Server
6 2 (2.13%) PostgreSQL
6 2 (2.13%) Relational Database
7 1 (1.06%) Apache Hive
7 1 (1.06%) Cloud Spanner
7 1 (1.06%) Oracle Database
7 1 (1.06%) RDBMS
7 1 (1.06%) Redis
Development Applications
1 30 (31.91%) Git (software)
2 21 (22.34%) Jenkins
3 10 (10.64%) webpack
4 7 (7.45%) Jasmine
5 6 (6.38%) JIRA
6 4 (4.26%) Karma Test Runner
6 4 (4.26%) Mocha
7 2 (2.13%) Cucumber
7 2 (2.13%) gulp
7 2 (2.13%) Maven
7 2 (2.13%) Protractor
7 2 (2.13%) SonarQube
8 1 (1.06%) Ant
8 1 (1.06%) Babel
8 1 (1.06%) Gatling
8 1 (1.06%) JMeter
8 1 (1.06%) NetBeans
8 1 (1.06%) Oracle APEX
8 1 (1.06%) Storybook
8 1 (1.06%) Subversion
General
1 9 (9.57%) Marketing
2 7 (7.45%) Finance
3 5 (5.32%) Retail
4 4 (4.26%) Banking
5 2 (2.13%) Investment Banking
5 2 (2.13%) Public Sector
6 1 (1.06%) Back Office
6 1 (1.06%) Financial Institution
6 1 (1.06%) Front Office
6 1 (1.06%) Law
6 1 (1.06%) Legal
6 1 (1.06%) Multimedia
6 1 (1.06%) Publishing
6 1 (1.06%) Telecoms
Job Titles
1 79 (84.04%) Developer
2 16 (17.02%) Backend Developer
2 16 (17.02%) Front End Developer (Client-Side Developer)
2 16 (17.02%) PHP Developer
3 11 (11.70%) Senior Developer
4 10 (10.64%) React Developer
5 7 (7.45%) Full Stack Developer
5 7 (7.45%) JavaScript Developer
6 5 (5.32%) Drupal Developer
7 4 (4.26%) Designer
7 4 (4.26%) Java Developer
7 4 (4.26%) Senior Drupal Developer
7 4 (4.26%) Senior Front-End Developer
7 4 (4.26%) SharePoint Developer
8 3 (3.19%) .NET Developer
8 3 (3.19%) Angular Developer
8 3 (3.19%) AWS Developer
8 3 (3.19%) Lead Developer
8 3 (3.19%) Node.js Developer
8 3 (3.19%) Web Developer
Libraries, Frameworks & Software Standards
1 89 (94.68%) HTML
2 41 (43.62%) HTML5
3 34 (36.17%) Sass
4 32 (34.04%) CSS3
5 30 (31.91%) AngularJS
6 25 (26.60%) React
7 20 (21.28%) LESS
7 20 (21.28%) Web Services
8 19 (20.21%) Node.js
8 19 (20.21%) Vue.js
9 17 (18.09%) Laravel
9 17 (18.09%) Vuetify.js
10 15 (15.96%) Redux
11 10 (10.64%) jQuery
12 7 (7.45%) GraphQL
12 7 (7.45%) RESTful
12 7 (7.45%) SOAP
13 6 (6.38%) .NET
13 6 (6.38%) Jest
13 6 (6.38%) REST
Miscellaneous
1 17 (18.09%) User Experience
2 6 (6.38%) Greenfield Project
3 4 (4.26%) Analytical Skills
4 2 (2.13%) Cloud Native
4 2 (2.13%) Fixed Income
4 2 (2.13%) Self-Motivation
5 1 (1.06%) Blog
5 1 (1.06%) Digital Media
5 1 (1.06%) Enterprise Software
5 1 (1.06%) Foreign Exchange (FX)
5 1 (1.06%) Management Information System
5 1 (1.06%) Media Streaming
5 1 (1.06%) Mobile App
5 1 (1.06%) Social Media
Operating Systems
1 8 (8.51%) Linux
2 3 (3.19%) Unix
3 2 (2.13%) Mac OS
4 1 (1.06%) Windows
Processes & Methodologies
1 34 (36.17%) Agile Software Development
2 31 (32.98%) Front End Development
3 30 (31.91%) TDD
4 25 (26.60%) DevOps
5 22 (23.40%) Software Engineering
6 20 (21.28%) MVC
7 8 (8.51%) Continuous Deployment
8 6 (6.38%) BDD
8 6 (6.38%) Business Intelligence
8 6 (6.38%) Workflow
9 5 (5.32%) Computer Science
9 5 (5.32%) Continuous Integration
9 5 (5.32%) Investment Management
9 5 (5.32%) Metadata Management
9 5 (5.32%) Microservices
9 5 (5.32%) OO
9 5 (5.32%) Test Automation
9 5 (5.32%) Web Development
10 4 (4.26%) Fintech
10 4 (4.26%) Problem-Solving
Programming Languages
1 76 (80.85%) JavaScript
2 20 (21.28%) PHP
3 11 (11.70%) ES6
3 11 (11.70%) Java
4 8 (8.51%) C#
4 8 (8.51%) SQL
4 8 (8.51%) TypeScript
5 5 (5.32%) PowerShell
6 4 (4.26%) Python
7 2 (2.13%) Apex Code
7 2 (2.13%) Java 8
7 2 (2.13%) Ruby
8 1 (1.06%) Go
8 1 (1.06%) Kotlin
8 1 (1.06%) PL/SQL
8 1 (1.06%) SOQL
8 1 (1.06%) VB.NET
Qualifications
1 6 (6.38%) SC Cleared
1 6 (6.38%) Security Cleared
2 4 (4.26%) Degree
3 3 (3.19%) Computer Science Degree
4 2 (2.13%) AWS Certification
5 1 (1.06%) DV Cleared
Quality Assurance & Compliance
1 4 (4.26%) QA
2 1 (1.06%) SLA
System Software
1 23 (24.47%) Docker
Systems Management
1 3 (3.19%) Kubernetes
Vendors
1 8 (8.51%) Salesforce.com
2 5 (5.32%) Nintex
3 3 (3.19%) Oracle
4 2 (2.13%) Salesforce Marketing Cloud
5 1 (1.06%) Adobe
5 1 (1.06%) Confluent
5 1 (1.06%) Google
5 1 (1.06%) Microsoft
5 1 (1.06%) Sitecore
5 1 (1.06%) Tealium