The following table provides summary statistics for contract job vacancies advertised in Middlesex with a requirement for CSS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CSS over the 3 months to 24 June 2017 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)
South East / Middlesex
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 6 14 8
Rank change year-on-year +8 -6  
Contract jobs citing CSS 10 14 14
As % of all contract IT jobs advertised in Middlesex 11.24% 8.05% 7.65%
As % of the Libraries, Frameworks & Software Standards category 41.67% 28.00% 35.00%
Number of daily rates quoted 7 10 6
Median daily rate £401 £360 £294
Median daily rate % change year-on-year +11.25% +22.55%  
90% offered a daily rate of more than £142 £300 £275
10% offered a daily rate of more than £488 £430 £383
UK excluding London median daily rate £375 £350 £325
% change year-on-year +7.14% +7.69%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £38.25 £29.75 £33.77
% change year-on-year +28.57% -11.90%  

CSS is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Middlesex with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Middlesex
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 24 50 40
As % of all contract IT job vacancies advertised in Middlesex 26.97% 28.74% 21.86%
Number of daily rates quoted 15 33 16
Median daily rate £401 £395 £300
Median daily rate % change year-on-year +1.39% +31.66%  
90% offered a daily rate of more than £130 £325 £275
10% offered a daily rate of more than £525 £525 £450
UK excluding London median daily rate £398 £375 £350
% change year-on-year +6.00% +7.14%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £45.00 -
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

CSS
Job Vacancy Trend in Middlesex

The job posting trend of jobs advertised in Middlesex citing CSS as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for CSS in Middlesex

CSS
Contractor Daily Rate Trend in Middlesex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CSS in Middlesex.

Contractor daily rate trend for CSS in Middlesex

CSS
Contractor Daily Rate Histogram in Middlesex

The daily rate distribution of IT jobs citing CSS in Middlesex over the 3 months to 24 June 2017.

Contractor daily rate histogram for CSS in Middlesex

CSS
Contractor Hourly Rate Trend in Middlesex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing CSS in Middlesex.

Contractor hourly rate trend for CSS in Middlesex

For the 6 months to 24 June 2017, IT contractor jobs citing CSS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Middlesex region with a requirement for CSS.

1 21 (91.30%) HTML
1 21 (91.30%) JavaScript
2 13 (56.52%) HTML5
3 9 (39.13%) CSS3
4 7 (30.43%) Java
4 7 (30.43%) .NET
4 7 (30.43%) SQL Server
4 7 (30.43%) ASP.NET
4 7 (30.43%) Prototyping
5 6 (26.09%) SQL
5 6 (26.09%) C#
5 6 (26.09%) OO
5 6 (26.09%) Agile Software Development
5 6 (26.09%) Front End Development
6 5 (21.74%) AngularJS
6 5 (21.74%) Analytics
6 5 (21.74%) Windows
6 5 (21.74%) XML
7 4 (17.39%) Web Services
7 4 (17.39%) MVC
7 4 (17.39%) CMS
7 4 (17.39%) TDD
7 4 (17.39%) ServiceNow
7 4 (17.39%) User Experience
7 4 (17.39%) Node.js
7 4 (17.39%) JSON
7 4 (17.39%) jQuery
7 4 (17.39%) Git (software)
8 3 (13.04%) Multithreading
8 3 (13.04%) Open Source

CSS
Co-occurring IT Skills in Middlesex 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 4 (17.39%) CMS
2 3 (13.04%) Adobe Experience Manager
3 1 (4.35%) SharePoint
Applications
1 3 (13.04%) Photoshop
Cloud Services
1 3 (13.04%) Adobe Analytics
1 3 (13.04%) Google Analytics
1 3 (13.04%) SaaS
2 1 (4.35%) Office 365
Database & Business Intelligence
1 7 (30.43%) SQL Server
2 3 (13.04%) SQL Server 2005
3 2 (8.70%) Microsoft Analysis Services
3 2 (8.70%) SQL Server 2012
3 2 (8.70%) SQL Server Analysis Services
3 2 (8.70%) SQL Server Integration Services
3 2 (8.70%) SQL Server Reporting Services
Development Applications
1 4 (17.39%) Git (software)
2 3 (13.04%) Axure RP
3 2 (8.70%) Team Foundation Server
3 2 (8.70%) Visual Studio
4 1 (4.35%) Jasmine
General
1 1 (4.35%) Marketing
Job Titles
1 20 (86.96%) Developer
2 7 (30.43%) Front End Developer (Client-Side Developer)
3 6 (26.09%) JavaScript Developer
4 5 (21.74%) .NET Developer
5 3 (13.04%) Angular Developer
5 3 (13.04%) Designer
5 3 (13.04%) UI Developer
5 3 (13.04%) UX Designer
6 2 (8.70%) C# .NET Developer
6 2 (8.70%) C# Developer
6 2 (8.70%) Senior Front-End Developer
6 2 (8.70%) Senior JavaScript Developer
6 2 (8.70%) Senior UI Developer
6 2 (8.70%) SQL Database Developer
6 2 (8.70%) SQL Server Developer
6 2 (8.70%) SSAS Developer
6 2 (8.70%) SSIS Developer
6 2 (8.70%) SSRS Developer
6 2 (8.70%) UI Designer
6 2 (8.70%) UI/UX Designer
Libraries, Frameworks & Software Standards
1 21 (91.30%) HTML
2 13 (56.52%) HTML5
3 9 (39.13%) CSS3
4 7 (30.43%) .NET
4 7 (30.43%) ASP.NET
5 5 (21.74%) AngularJS
5 5 (21.74%) XML
6 4 (17.39%) jQuery
6 4 (17.39%) JSON
6 4 (17.39%) Node.js
6 4 (17.39%) Web Services
7 3 (13.04%) ASP.NET MVC
7 3 (13.04%) React
7 3 (13.04%) Twitter Bootstrap
7 3 (13.04%) WinForms
8 2 (8.70%) REST
8 2 (8.70%) Sass
9 1 (4.35%) Ember.js
9 1 (4.35%) KnockoutJS
9 1 (4.35%) React Native
Miscellaneous
1 4 (17.39%) User Experience
2 2 (8.70%) Clustering
2 2 (8.70%) Minimum Viable Product
3 1 (4.35%) Analytical Skills
3 1 (4.35%) Animation
3 1 (4.35%) CMDB
3 1 (4.35%) Fintech
3 1 (4.35%) Smart Meter
Operating Systems
1 5 (21.74%) Windows
2 3 (13.04%) Unix
Processes & Methodologies
1 7 (30.43%) Prototyping
2 6 (26.09%) Agile Software Development
2 6 (26.09%) Front End Development
2 6 (26.09%) OO
3 5 (21.74%) Analytics
4 4 (17.39%) MVC
4 4 (17.39%) TDD
5 3 (13.04%) Continuous Delivery
5 3 (13.04%) Data Analytics
5 3 (13.04%) Information Architecture
5 3 (13.04%) Multithreading
5 3 (13.04%) OOP
5 3 (13.04%) Open Source
5 3 (13.04%) Responsive Web Design
5 3 (13.04%) Scrum
5 3 (13.04%) Unit Testing
5 3 (13.04%) Usability Testing
5 3 (13.04%) Wireframes
6 2 (8.70%) BDD
6 2 (8.70%) Test Automation
Programming Languages
1 21 (91.30%) JavaScript
2 7 (30.43%) Java
3 6 (26.09%) C#
3 6 (26.09%) SQL
4 3 (13.04%) T-SQL
4 3 (13.04%) UniBasic
4 3 (13.04%) VB.NET
5 1 (4.35%) ActionScript
5 1 (4.35%) ES6
5 1 (4.35%) PHP
5 1 (4.35%) Python
Qualifications
1 2 (8.70%) Degree
Quality Assurance & Compliance
1 2 (8.70%) Data Quality
System Software
1 2 (8.70%) Active Directory
Systems Management
1 2 (8.70%) Microsoft Clustering
Vendors
1 4 (17.39%) ServiceNow
2 3 (13.04%) ClickTale
2 3 (13.04%) IBM
2 3 (13.04%) Redback
3 1 (4.35%) BMC
3 1 (4.35%) CA
3 1 (4.35%) HP