The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Sun Certification qualifications. Included is a benchmarking guide to the contractor rates offered over the 3 months to 30 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.

Sun Certification
England / London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 390 - 411
Rank change year-on-year - 0  
Contract jobs citing Sun Certification 10 0 9
As % of all contract IT jobs advertised in London 0.051% - 0.042%
As % of the Qualifications category 0.30% - 0.25%
Number of daily rates quoted 8 0 6
Median daily rate £388 - £431
90% offered a daily rate of more than £219 - £348
10% offered a daily rate of more than £498 - £469
UK excluding London median daily rate £410 £325 £458
% change year-on-year +26.15% -29.03%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £39.25

Sun Certification is in the academic qualifications and professional certifications category. The following table is for comparison with the above and provides summary statistics for all academic qualifications and professional certifications cited in contract job vacancies advertised in London.

Academic & Professional Certification
London
Contract job vacancies requiring academic qualifications or professional certifications 3372 3888 3607
As % of all contract IT job vacancies advertised in London 17.11% 17.23% 16.84%
Number of daily rates quoted 2293 2752 2365
Median daily rate £450 £450 £413
Median daily rate % change year-on-year - +9.09%  
90% offered a daily rate of more than £300 £275 £239
10% offered a daily rate of more than £600 £605 £575
UK excluding London median daily rate £400 £390 £375
% change year-on-year +2.56% +4.00%  
Number of hourly rates quoted 61 53 87
Median hourly rate £38.50 £17.50 £20.00
Median hourly rate % change year-on-year +120.00% -12.50%  
90% offered a hourly rate of more than £14.50 £12.70 £12.50
10% offered a hourly rate of more than £50.00 £43.00 £50.00
UK excluding London median hourly rate £30.00 £39.00 £22.50
% change year-on-year -23.07% +73.33%  

Sun Certification
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Sun Certification as a proportion of all contract or permanent IT jobs with a match in the Qualifications category.

Job vacancy trend for Sun Certification in London

Sun Certification
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Sun Certification in London

Sun Certification
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Sun Certification in London over the 3 months to 30 March 2017.

Contractor daily rate histogram for Sun Certification in London

Sun Certification
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Sun Certification in London

For the 6 months to 30 March 2017, IT contractor jobs citing Sun Certification 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 Sun Certification.

1 16 (84.21%) Java
2 15 (78.95%) Agile Software Development
3 14 (73.68%) Spring
3 14 (73.68%) OOA/OOD
3 14 (73.68%) OO
4 13 (68.42%) Oracle
4 13 (68.42%) SOA
4 13 (68.42%) JIRA
5 12 (63.16%) Oracle SOA Suite
5 12 (63.16%) SQL
6 10 (52.63%) Web Services
6 10 (52.63%) XML
6 10 (52.63%) Hibernate
6 10 (52.63%) UML
6 10 (52.63%) Enterprise Architecture
6 10 (52.63%) Java EE
7 9 (47.37%) JSF
7 9 (47.37%) TDD
7 9 (47.37%) Subversion
7 9 (47.37%) WebLogic
7 9 (47.37%) EJB
7 9 (47.37%) PL/SQL
7 9 (47.37%) J2EE
7 9 (47.37%) Oracle Database 10g
7 9 (47.37%) BEA
7 9 (47.37%) WebLogic Portal
7 9 (47.37%) Oracle Database
7 9 (47.37%) Ajax
7 9 (47.37%) BDD
7 9 (47.37%) Defect Management

Sun Certification
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 12 (63.16%) Oracle SOA Suite
2 9 (47.37%) WebLogic
2 9 (47.37%) WebLogic Portal
3 4 (21.05%) Confluence
3 4 (21.05%) Liferay
4 3 (15.79%) Oracle Workflow
5 1 (5.26%) Jetty
5 1 (5.26%) Tomcat
Communications & Networking
1 4 (21.05%) LDAP
Database & Business Intelligence
1 9 (47.37%) Oracle Database
1 9 (47.37%) Oracle Database 10g
2 1 (5.26%) Data Warehouse
Development Applications
1 13 (68.42%) JIRA
2 9 (47.37%) Subversion
3 4 (21.05%) Bitbucket
4 2 (10.53%) JUnit
5 1 (5.26%) Git (software)
5 1 (5.26%) Jenkins
5 1 (5.26%) jMock
5 1 (5.26%) Maven
5 1 (5.26%) Mockito
General
1 5 (26.32%) Finance
Job Titles
1 17 (89.47%) Developer
2 13 (68.42%) Java Developer
3 9 (47.37%) Agile Developer
3 9 (47.37%) Agile Java Developer
3 9 (47.37%) Oracle Developer
4 7 (36.84%) Senior Developer
4 7 (36.84%) Senior Java Developer
5 6 (31.58%) Senior Agile Developer
5 6 (31.58%) Senior Agile Java Developer
5 6 (31.58%) Senior Oracle Developer
6 5 (26.32%) J2EE Developer
6 5 (26.32%) Java/J2EE Developer
6 5 (26.32%) Senior J2EE Developer
6 5 (26.32%) Senior Java/J2EE Developer
7 3 (15.79%) Analyst
7 3 (15.79%) Analyst Developer
7 3 (15.79%) Architect
7 3 (15.79%) Developer Analyst
8 2 (10.53%) Java Architect
9 1 (5.26%) Senior Java Architect
Libraries, Frameworks & Software Standards
1 14 (73.68%) Spring
2 10 (52.63%) Hibernate
2 10 (52.63%) Java EE
2 10 (52.63%) Web Services
2 10 (52.63%) XML
3 9 (47.37%) Ajax
3 9 (47.37%) EJB
3 9 (47.37%) J2EE
3 9 (47.37%) JSF
4 4 (21.05%) JMS
5 3 (15.79%) AngularJS
5 3 (15.79%) REST
5 3 (15.79%) XSL
6 2 (10.53%) RabbitMQ
7 1 (5.26%) Apache Camel
7 1 (5.26%) JSON
7 1 (5.26%) SOAP
7 1 (5.26%) Spring Boot
7 1 (5.26%) Spring Security
Miscellaneous
1 7 (36.84%) Virtual Team
2 4 (21.05%) Computer Science
3 3 (15.79%) NHS
Operating Systems
1 1 (5.26%) Linux
1 1 (5.26%) Unix
Processes & Methodologies
1 15 (78.95%) Agile Software Development
2 14 (73.68%) OO
2 14 (73.68%) OOA/OOD
3 13 (68.42%) SOA
4 10 (52.63%) Enterprise Architecture
4 10 (52.63%) UML
5 9 (47.37%) BDD
5 9 (47.37%) Defect Management
5 9 (47.37%) TDD
6 7 (36.84%) Continuous Improvement
6 7 (36.84%) Customer Requirements
6 7 (36.84%) Multithreading
6 7 (36.84%) Programme Management
6 7 (36.84%) SDLC
7 4 (21.05%) Content Management
7 4 (21.05%) Data Modelling
7 4 (21.05%) Document Management
7 4 (21.05%) Integration Testing
7 4 (21.05%) Logical Data Model
7 4 (21.05%) Workflow
Programming Languages
1 16 (84.21%) Java
2 12 (63.16%) SQL
3 9 (47.37%) PL/SQL
4 7 (36.84%) JavaScript
5 3 (15.79%) T-SQL
Qualifications
1 1 (5.26%) Degree
1 1 (5.26%) OCMJD
1 1 (5.26%) OCPJWCD
1 1 (5.26%) Oracle Certification
Quality Assurance & Compliance
1 7 (36.84%) SLA
Vendors
1 13 (68.42%) Oracle
2 9 (47.37%) BEA
3 4 (21.05%) Sun
4 3 (15.79%) Atlassian
5 1 (5.26%) MuleSoft
5 1 (5.26%) Salesforce.com
5 1 (5.26%) Zuora