The following table provides summary statistics for contract job vacancies advertised in 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 29 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.

JavaServer Faces (JSF)
England / London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 385 420 374
Rank change year-on-year +35 -46  
Contract jobs citing JSF 23 19 32
As % of all contract IT jobs advertised in London 0.12% 0.085% 0.15%
As % of the Libraries, Frameworks & Software Standards category 0.34% 0.27% 0.50%
Number of daily rates quoted 16 16 18
Median daily rate £325 £475 £416
Median daily rate % change year-on-year -31.57% +14.11%  
90% offered a daily rate of more than £300 £394 £314
10% offered a daily rate of more than £463 £550 £498
UK excluding London median daily rate £425 £415 £325
% change year-on-year +2.40% +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 London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 6798 7159 6427
As % of all contract IT job vacancies advertised in London 34.75% 31.90% 30.20%
Number of daily rates quoted 5065 5371 4647
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £345 £325 £310
10% offered a daily rate of more than £613 £600 £575
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 49 28 27
Median hourly rate £47.50 £50.00 £27.37
Median hourly rate % change year-on-year -5.00% +82.68%  
90% offered a hourly rate of more than £17.01 £21.37 £20.00
10% offered a hourly rate of more than £100.00 £55.00 £55.00
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

JSF
Job Vacancy Trend in London

The job posting trend of jobs advertised in 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 London

JSF
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for JSF in London

JSF
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing JSF in London over the 3 months to 29 March 2017.

Contractor daily rate histogram for JSF in London

JSF
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for JSF in London

JSF
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSF within the London region over the 3 months to 29 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - 5 £310 -
JSF
England

For the 6 months to 29 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 London region with a requirement for JSF.

1 36 (90.00%) Java
2 26 (65.00%) Spring
3 24 (60.00%) J2EE
4 23 (57.50%) Oracle
4 23 (57.50%) XML
5 22 (55.00%) Web Services
6 21 (52.50%) Agile Software Development
7 20 (50.00%) TDD
7 20 (50.00%) Hibernate
7 20 (50.00%) SQL
8 19 (47.50%) HTML
9 18 (45.00%) PL/SQL
9 18 (45.00%) OO
10 17 (42.50%) Java EE
10 17 (42.50%) Oracle Database
11 16 (40.00%) UML
11 16 (40.00%) Ajax
12 14 (35.00%) Subversion
12 14 (35.00%) JavaScript
12 14 (35.00%) EJB
12 14 (35.00%) JIRA
13 13 (32.50%) Oracle SOA Suite
13 13 (32.50%) SDLC
13 13 (32.50%) CSS
13 13 (32.50%) WebLogic
13 13 (32.50%) SOA
14 12 (30.00%) BEA
14 12 (30.00%) OOA/OOD
14 12 (30.00%) WebLogic Portal
14 12 (30.00%) Oracle Database 10g

JSF
Co-occurring IT Skills in 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 13 (32.50%) Oracle SOA Suite
1 13 (32.50%) WebLogic
2 12 (30.00%) WebLogic Portal
3 7 (17.50%) WebSphere
4 4 (10.00%) JBoss
4 4 (10.00%) Tomcat
5 2 (5.00%) Adobe Experience Manager
5 2 (5.00%) Apache
5 2 (5.00%) WebSphere Application Server
5 2 (5.00%) WebSphere Process Server
6 1 (2.50%) CMS
6 1 (2.50%) GlassFish
6 1 (2.50%) Liferay
6 1 (2.50%) WebLogic Integration
6 1 (2.50%) WebSphere Portal
Applications
1 2 (5.00%) MS Visio
Business Applications
1 2 (5.00%) Oracle BPM
Cloud Services
1 2 (5.00%) Cloud Computing
2 1 (2.50%) GitHub
Communications & Networking
1 3 (7.50%) Internet
1 3 (7.50%) Intranet
2 1 (2.50%) FTP
2 1 (2.50%) NFC
2 1 (2.50%) SMTP
Database & Business Intelligence
1 17 (42.50%) Oracle Database
2 12 (30.00%) Oracle Database 10g
3 5 (12.50%) Relational Database
4 4 (10.00%) Oracle Database 11g
4 4 (10.00%) Oracle Database 12c
5 3 (7.50%) DB2
5 3 (7.50%) MySQL
5 3 (7.50%) SQL Server
6 2 (5.00%) RDBMS
7 1 (2.50%) Big Data
7 1 (2.50%) Firebird
7 1 (2.50%) Jackrabbit
7 1 (2.50%) Oracle BI Publisher
7 1 (2.50%) Oracle Reports
7 1 (2.50%) PostgreSQL
Development Applications
1 14 (35.00%) JIRA
1 14 (35.00%) Subversion
2 6 (15.00%) JUnit
3 5 (12.50%) JDeveloper
4 4 (10.00%) Ant
5 3 (7.50%) Gradle
5 3 (7.50%) HP UFT
5 3 (7.50%) IntelliJ
5 3 (7.50%) Jenkins
5 3 (7.50%) Maven
5 3 (7.50%) NetBeans
5 3 (7.50%) Selenium
6 1 (2.50%) Babel
6 1 (2.50%) Eclipse
6 1 (2.50%) Git (software)
6 1 (2.50%) Grunt
6 1 (2.50%) Mockito
6 1 (2.50%) Rational Application Developer
General
1 9 (22.50%) Finance
2 6 (15.00%) Banking
3 2 (5.00%) German Language
3 2 (5.00%) Publishing
4 1 (2.50%) Aerospace
4 1 (2.50%) Games
4 1 (2.50%) Prime Brokerage
4 1 (2.50%) Retail
Job Titles
1 35 (87.50%) Developer
2 26 (65.00%) Java Developer
3 12 (30.00%) Oracle Developer
4 10 (25.00%) Agile Developer
4 10 (25.00%) Agile Java Developer
5 8 (20.00%) Senior Developer
5 8 (20.00%) Senior Java Developer
6 7 (17.50%) J2EE Developer
6 7 (17.50%) Java/J2EE Developer
6 7 (17.50%) Senior Agile Developer
6 7 (17.50%) Senior Agile Java Developer
6 7 (17.50%) Senior Oracle Developer
7 6 (15.00%) Front End Developer (Client-Side Developer)
7 6 (15.00%) Senior J2EE Developer
7 6 (15.00%) Senior Java/J2EE Developer
8 3 (7.50%) Applications Support
8 3 (7.50%) Front End Java Developer (Client-Side Java Developer)
8 3 (7.50%) PL/SQL Developer
8 3 (7.50%) SQL Developer
9 1 (2.50%) Games Developer
Libraries, Frameworks & Software Standards
1 26 (65.00%) Spring
2 24 (60.00%) J2EE
3 23 (57.50%) XML
4 22 (55.00%) Web Services
5 20 (50.00%) Hibernate
6 19 (47.50%) HTML
7 17 (42.50%) Java EE
8 16 (40.00%) Ajax
9 14 (35.00%) EJB
10 13 (32.50%) CSS
11 11 (27.50%) AngularJS
12 8 (20.00%) jQuery
12 8 (20.00%) JSP
12 8 (20.00%) Struts
13 6 (15.00%) HTML5
13 6 (15.00%) Node.js
13 6 (15.00%) REST
13 6 (15.00%) SOAP
14 5 (12.50%) JDBC
14 5 (12.50%) Oracle ADF
Miscellaneous
1 8 (20.00%) Virtual Team
2 5 (12.50%) Computer Science
3 4 (10.00%) Analytical Skills
4 3 (7.50%) Data Structures
4 3 (7.50%) Enterprise Software
4 3 (7.50%) Web 2.0
5 2 (5.00%) Derivative
5 2 (5.00%) Mobile App
6 1 (2.50%) Client/Server
6 1 (2.50%) Clustering
6 1 (2.50%) Contactless
6 1 (2.50%) DataPower
6 1 (2.50%) EMV
6 1 (2.50%) Online Games
6 1 (2.50%) Reference Data
6 1 (2.50%) User Experience
Operating Systems
1 3 (7.50%) Android
1 3 (7.50%) Apple iOS
1 3 (7.50%) Unix
2 1 (2.50%) Linux
2 1 (2.50%) Windows
2 1 (2.50%) Windows 8
Processes & Methodologies
1 21 (52.50%) Agile Software Development
2 20 (50.00%) TDD
3 18 (45.00%) OO
4 16 (40.00%) UML
5 13 (32.50%) SDLC
5 13 (32.50%) SOA
6 12 (30.00%) OOA/OOD
7 11 (27.50%) BDD
7 11 (27.50%) Defect Management
8 8 (20.00%) Continuous Improvement
8 8 (20.00%) Customer Requirements
8 8 (20.00%) Enterprise Architecture
8 8 (20.00%) Multithreading
8 8 (20.00%) Programme Management
9 7 (17.50%) Mentoring
9 7 (17.50%) Scrum
10 6 (15.00%) Data Modelling
10 6 (15.00%) Front End Development
11 5 (12.50%) Web Development
12 4 (10.00%) SOLID
Programming Languages
1 36 (90.00%) Java
2 20 (50.00%) SQL
3 18 (45.00%) PL/SQL
4 14 (35.00%) JavaScript
5 3 (7.50%) PHP
6 2 (5.00%) C
6 2 (5.00%) C#
6 2 (5.00%) C++
6 2 (5.00%) ECMAScript
6 2 (5.00%) ES6
7 1 (2.50%) Ada
7 1 (2.50%) Delphi
7 1 (2.50%) Groovy
7 1 (2.50%) Perl
Qualifications
1 10 (25.00%) Sun Certification
2 3 (7.50%) Degree
3 1 (2.50%) Brainbench
3 1 (2.50%) SC Cleared
3 1 (2.50%) Security Cleared
Quality Assurance & Compliance
1 9 (22.50%) SLA
2 1 (2.50%) DO-178B
2 1 (2.50%) ISO/IEC 12207
2 1 (2.50%) MISRA
2 1 (2.50%) MISRA C
System Software
1 1 (2.50%) Oracle RAC
Systems Management
1 3 (7.50%) Opscode Chef
1 3 (7.50%) Puppet
Vendors
1 23 (57.50%) Oracle
2 12 (30.00%) BEA
3 3 (7.50%) CA Agile Central
3 3 (7.50%) IBM
4 1 (2.50%) Adobe
4 1 (2.50%) Google
4 1 (2.50%) Kony
4 1 (2.50%) PayPal
4 1 (2.50%) Sybase
4 1 (2.50%) Yahoo!