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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
JavaServer Faces (JSF)
London / City of London
Rank 148 - 192
Rank change year-on-year - 0  
Contract jobs citing JSF 5 0 4
As % of all contract IT jobs advertised in the City of London 0.17% - 0.080%
As % of the Libraries, Frameworks & Software Standards category 0.48% - 0.26%
Number of daily rates quoted 5 0 4
Median daily rate £310 - £411
90% offered a daily rate of more than £300 - £349
10% offered a daily rate of more than £365 - £423
UK excluding London median daily rate £431 £415 £325
% change year-on-year +3.91% +27.69%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £38.00 £38.00

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 1045 1073 1519
As % of all contract IT job vacancies advertised in the City of London 34.89% 32.63% 30.21%
Number of daily rates quoted 865 906 1209
Median daily rate £475 £463 £425
Median daily rate % change year-on-year +2.70% +8.82%  
90% offered a daily rate of more than £338 £325 £315
10% offered a daily rate of more than £625 £600 £577
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 1 5 6
Median hourly rate £35.00 £55.00 £27.37
Median hourly rate % change year-on-year -36.36% +100.94%  
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

JSF
Job Vacancy Trend in the City of London

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

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

JSF
Top 30 Related IT Skills in the City of London

For the 6 months to 23 March 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%) AngularJS
3 3 (60.00%) Web Services
3 3 (60.00%) HTML5
3 3 (60.00%) Node.js
4 2 (40.00%) Web 2.0
4 2 (40.00%) jQuery
4 2 (40.00%) SQL
4 2 (40.00%) OO
4 2 (40.00%) JDBC
4 2 (40.00%) Oracle
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
Top Related 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 168
5 1 (20.00%) JSR 286
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%) 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%) 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