The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for JSF skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSF over the 3 months to 28 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.

JavaServer Faces (JSF)
London / City of London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank - 163 204
Contract jobs citing JSF 0 2 1
As % of all contract IT jobs advertised in the City of London - 0.059% 0.017%
As % of the Libraries, Frameworks & Software Standards category - 0.17% 0.059%
Number of daily rates quoted 0 2 1
Median daily rate - £369 £425
Median daily rate % change year-on-year - -13.23%  
UK excluding London median daily rate £400 £340 £400
% change year-on-year +17.64% -15.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £31.14 -
% change year-on-year +28.47% -  

JSF 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 the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1238 1183 1708
As % of all contract IT job vacancies advertised in the City of London 37.94% 35.14% 29.75%
Number of daily rates quoted 3865 4052 4838
Median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.00% +5.88%  
90% offered a daily rate of more than £356 £313 £308
10% offered a daily rate of more than £638 £588 £625
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 5 2 38
Median hourly rate £24.36 £20.00 £24.23
Median hourly rate % change year-on-year +21.80% -17.45%  
90% offered a hourly rate of more than £20.75 £19.00 £15.24
10% offered a hourly rate of more than £25.29 £21.00 £193.75
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

JSF
Job Vacancy Trend in the City of London

Job postings citing JSF as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for JSF in the City of London

JSF
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JSF in the City of London.

Contractor daily rate trend for JSF in the City of London

For the 6 months to 28 June 2017, IT contractor jobs citing JSF 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 City of London region with a requirement for JSF.

1 5 (100.00%) J2EE
2 4 (80.00%) XML
2 4 (80.00%) HTML
2 4 (80.00%) Java
2 4 (80.00%) JavaScript
3 3 (60.00%) Banking
3 3 (60.00%) Spring
3 3 (60.00%) HTML5
3 3 (60.00%) Node.js
3 3 (60.00%) Web Services
3 3 (60.00%) AngularJS
4 2 (40.00%) SQL
4 2 (40.00%) OO
4 2 (40.00%) JDBC
4 2 (40.00%) Oracle
4 2 (40.00%) Web 2.0
4 2 (40.00%) jQuery
4 2 (40.00%) WebSphere
5 1 (20.00%) Web Development
5 1 (20.00%) Java EE
5 1 (20.00%) Degree
5 1 (20.00%) JIRA
5 1 (20.00%) Computer Science
5 1 (20.00%) JSR 168
5 1 (20.00%) Selenium
5 1 (20.00%) Maven
5 1 (20.00%) Ajax
5 1 (20.00%) WebSphere Process Server
5 1 (20.00%) Subversion
5 1 (20.00%) Agile Software Development

JSF
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 2 (40.00%) WebSphere
2 1 (20.00%) JBoss
2 1 (20.00%) Tomcat
2 1 (20.00%) WebSphere Application Server
2 1 (20.00%) WebSphere Portal
2 1 (20.00%) WebSphere Process Server
Communications & Networking
1 1 (20.00%) Internet
1 1 (20.00%) Intranet
Database & Business Intelligence
1 1 (20.00%) DB2
1 1 (20.00%) Relational Database
1 1 (20.00%) SQL Server
Development Applications
1 1 (20.00%) Ant
1 1 (20.00%) Eclipse
1 1 (20.00%) Gradle
1 1 (20.00%) HP UFT
1 1 (20.00%) IntelliJ
1 1 (20.00%) Jenkins
1 1 (20.00%) JIRA
1 1 (20.00%) JUnit
1 1 (20.00%) Maven
1 1 (20.00%) NetBeans
1 1 (20.00%) Rational Application Developer
1 1 (20.00%) Selenium
1 1 (20.00%) Subversion
General
1 3 (60.00%) Banking
Job Titles
1 5 (100.00%) Developer
2 4 (80.00%) Java Developer
3 1 (20.00%) Front End Developer (Client-Side Developer)
3 1 (20.00%) Front End Java Developer (Client-Side Java Developer)
3 1 (20.00%) J2EE Developer
3 1 (20.00%) Java Software Developer
3 1 (20.00%) Java/J2EE Developer
3 1 (20.00%) Oracle Developer
3 1 (20.00%) PL/SQL Developer
3 1 (20.00%) Software Developer
3 1 (20.00%) SQL Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) J2EE
2 4 (80.00%) HTML
2 4 (80.00%) XML
3 3 (60.00%) AngularJS
3 3 (60.00%) HTML5
3 3 (60.00%) Node.js
3 3 (60.00%) Spring
3 3 (60.00%) Web Services
4 2 (40.00%) JDBC
4 2 (40.00%) jQuery
5 1 (20.00%) Ajax
5 1 (20.00%) CSS
5 1 (20.00%) JPA
5 1 (20.00%) JSP
5 1 (20.00%) JSR 286
5 1 (20.00%) Oracle ADF
5 1 (20.00%) OSGi
5 1 (20.00%) Servlets
5 1 (20.00%) SOAP
5 1 (20.00%) Struts
Miscellaneous
1 2 (40.00%) Web 2.0
2 1 (20.00%) Analytical Skills
2 1 (20.00%) Computer Science
2 1 (20.00%) Data Structures
2 1 (20.00%) Enterprise Software
Operating Systems
1 1 (20.00%) Unix
Processes & Methodologies
1 2 (40.00%) OO
2 1 (20.00%) Agile Software Development
2 1 (20.00%) Dashboard Development
2 1 (20.00%) Data Modelling
2 1 (20.00%) DevOps
2 1 (20.00%) ETL
2 1 (20.00%) Front End Development
2 1 (20.00%) Kanban
2 1 (20.00%) Mentoring
2 1 (20.00%) OOP
2 1 (20.00%) Open Source
2 1 (20.00%) RAD
2 1 (20.00%) Responsive Web Design
2 1 (20.00%) Scrum
2 1 (20.00%) SDLC
2 1 (20.00%) SOLID
2 1 (20.00%) TDD
2 1 (20.00%) Test Automation
2 1 (20.00%) Web Application Development
2 1 (20.00%) Web Development
Programming Languages
1 4 (80.00%) Java
1 4 (80.00%) JavaScript
2 2 (40.00%) SQL
3 1 (20.00%) PL/SQL
Qualifications
1 1 (20.00%) Computer Science Degree
1 1 (20.00%) Degree
Systems Management
1 1 (20.00%) Opscode Chef
1 1 (20.00%) Puppet
Vendors
1 2 (40.00%) Oracle
2 1 (20.00%) CA Agile Central
2 1 (20.00%) IBM