The following table provides summary statistics for contract job vacancies with a requirement for JAAS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JAAS 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.

Java Authentication and Authorization Service (JAAS)
UK
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 581 635 612
Rank change year-on-year +54 -23  
Contract jobs citing JAAS 19 5 13
As % of all contract IT jobs advertised in the UK 0.042% 0.009% 0.024%
As % of the Libraries, Frameworks & Software Standards category 0.13% 0.033% 0.091%
Number of daily rates quoted 15 4 10
Median daily rate £475 £406 £425
Median daily rate % change year-on-year +16.92% -4.41%  
90% offered a daily rate of more than £425 £383 £393
10% offered a daily rate of more than £493 £442 £450
UK excluding London median daily rate £463 £406 £425
% change year-on-year +13.84% -4.41%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

JAAS 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 with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14295 15148 14225
As % of all contract IT job vacancies advertised in the UK 31.40% 27.98% 26.49%
Number of daily rates quoted 9923 10542 9247
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 185 222 188
Median hourly rate £42.50 £38.75 £35.00
Median hourly rate % change year-on-year +9.67% +10.71%  
90% offered a hourly rate of more than £16.50 £13.00 £18.60
10% offered a hourly rate of more than £55.00 £60.62 £46.50
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

JAAS
Job Vacancy Trend

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

Job vacancy trend for JAAS in the UK

JAAS
Contractor Daily Rate Trend

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

Contractor daily rate trend for JAAS in the UK

JAAS
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JAAS in the UK

JAAS
Top 9 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JAAS within the UK over the 3 months to 30 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
England +60 17 £475 +16.92%
Essex - 7 £469 -
Southend-on-Sea - 7 £469 -
East of England - 7 £469 -
South East +24 6 £444 +10.93%
Hampshire +17 5 £444 +10.93%
North West +31 2 £475 +15.15%
Winchester - 2 £431 -
London +32 1 £475 +14.45%

For the 6 months to 30 March 2017, IT contractor jobs citing JAAS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for JAAS.

1 22 (100.00%) Java
2 20 (90.91%) Linux
3 16 (72.73%) HTML
4 15 (68.18%) Agile Software Development
5 14 (63.64%) JBoss
5 14 (63.64%) SQL
5 14 (63.64%) Continuous Integration
6 13 (59.09%) Relational Database
7 12 (54.55%) Red Hat Enterprise Linux
7 12 (54.55%) Perl
8 11 (50.00%) JavaScript
8 11 (50.00%) Red Hat
9 10 (45.45%) MVC
9 10 (45.45%) Spring
9 10 (45.45%) CSS
9 10 (45.45%) XML
9 10 (45.45%) Unix
9 10 (45.45%) LDAP
9 10 (45.45%) JAXB
9 10 (45.45%) Spring MVC
9 10 (45.45%) Web Development
9 10 (45.45%) Enterprise Software
10 9 (40.91%) MariaDB
10 9 (40.91%) MySQL
10 9 (40.91%) Oracle
11 8 (36.36%) JUnit
11 8 (36.36%) PL/SQL
11 8 (36.36%) TDD
11 8 (36.36%) Hibernate
11 8 (36.36%) Jenkins

JAAS
Co-occurring IT Skills 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 14 (63.64%) JBoss
2 5 (22.73%) WebLogic
3 4 (18.18%) Apache
3 4 (18.18%) Tomcat
Cloud Services
1 6 (27.27%) PaaS
2 1 (4.55%) Amazon S3
Communications & Networking
1 10 (45.45%) LDAP
2 7 (31.82%) Kerberos
3 5 (22.73%) Wireshark
4 3 (13.64%) HTTP
5 1 (4.55%) IPv6
5 1 (4.55%) SSL
Database & Business Intelligence
1 13 (59.09%) Relational Database
2 9 (40.91%) MariaDB
2 9 (40.91%) MySQL
3 4 (18.18%) PostgreSQL
3 4 (18.18%) RDBMS
3 4 (18.18%) Redis
4 1 (4.55%) SQL Server
Development Applications
1 8 (36.36%) Git (software)
1 8 (36.36%) Jenkins
1 8 (36.36%) JUnit
1 8 (36.36%) Mockito
2 5 (22.73%) JIRA
General
1 1 (4.55%) Finance
Job Titles
1 16 (72.73%) Developer
2 15 (68.18%) Java Developer
3 2 (9.09%) Applications Specialist
3 2 (9.09%) Linux Developer
4 1 (4.55%) Architect
4 1 (4.55%) CISSP Specialist
4 1 (4.55%) J2EE Developer
4 1 (4.55%) Java Architect
4 1 (4.55%) Java Engineer
4 1 (4.55%) Java/J2EE Developer
4 1 (4.55%) Linux Specialist
4 1 (4.55%) Senior Developer
4 1 (4.55%) Senior Java Developer
4 1 (4.55%) Smart Metering Engineer
4 1 (4.55%) SQL Developer
Libraries, Frameworks & Software Standards
1 16 (72.73%) HTML
2 10 (45.45%) CSS
2 10 (45.45%) JAXB
2 10 (45.45%) Spring
2 10 (45.45%) Spring MVC
2 10 (45.45%) XML
3 8 (36.36%) EclipseLink
3 8 (36.36%) Hibernate
4 7 (31.82%) JPA
5 6 (27.27%) Ajax
5 6 (27.27%) HTML5
5 6 (27.27%) Java EE
5 6 (27.27%) Java SE
5 6 (27.27%) JMS
5 6 (27.27%) JMX
5 6 (27.27%) JNDI
5 6 (27.27%) jQuery
5 6 (27.27%) JSON
6 5 (22.73%) JAX-RPC
6 5 (22.73%) Struts
Miscellaneous
1 10 (45.45%) Enterprise Software
2 5 (22.73%) Analytical Skills
3 3 (13.64%) Smart Meter
4 2 (9.09%) Management Information System
5 1 (4.55%) PKI
5 1 (4.55%) RIA
Operating Systems
1 20 (90.91%) Linux
2 12 (54.55%) Red Hat Enterprise Linux
3 10 (45.45%) Unix
4 7 (31.82%) Mac OS X
5 1 (4.55%) Mac OS
Processes & Methodologies
1 15 (68.18%) Agile Software Development
2 14 (63.64%) Continuous Integration
3 10 (45.45%) MVC
3 10 (45.45%) Web Development
4 8 (36.36%) TDD
5 7 (31.82%) DevOps
6 6 (27.27%) Continuous Delivery
6 6 (27.27%) Kanban
6 6 (27.27%) Scrum
7 5 (22.73%) Automated Testing
7 5 (22.73%) Configuration Management
7 5 (22.73%) Continuous Deployment
7 5 (22.73%) Mentoring
7 5 (22.73%) Process Improvement
7 5 (22.73%) Responsive Web Design
7 5 (22.73%) Visualisation
7 5 (22.73%) Web Design
8 4 (18.18%) Microservices
9 1 (4.55%) Automation Testing
9 1 (4.55%) Capacity Management
Programming Languages
1 22 (100.00%) Java
2 14 (63.64%) SQL
3 12 (54.55%) Perl
4 11 (50.00%) JavaScript
5 8 (36.36%) PL/SQL
6 7 (31.82%) Python
6 7 (31.82%) Ruby
7 6 (27.27%) Bash Shell
7 6 (27.27%) Go
8 2 (9.09%) C
9 1 (4.55%) C++
Qualifications
1 6 (27.27%) CISSP
1 6 (27.27%) RHCE
1 6 (27.27%) RHCSA
2 4 (18.18%) SC Cleared
2 4 (18.18%) Security Cleared
3 1 (4.55%) CCNA
3 1 (4.55%) Cisco Certification
3 1 (4.55%) ITIL Foundation Certificate
3 1 (4.55%) RHCT
Quality Assurance & Compliance
1 1 (4.55%) ISO/IEC 27001
1 1 (4.55%) PCI DSS
System Software
1 6 (27.27%) Active Directory
2 1 (4.55%) vSphere
Systems Management
1 6 (27.27%) Kubernetes
2 2 (9.09%) Cobbler
2 2 (9.09%) Opscode Chef
2 2 (9.09%) Puppet
Vendors
1 11 (50.00%) Red Hat
2 9 (40.91%) Oracle
3 1 (4.55%) Arqiva
3 1 (4.55%) Cisco
3 1 (4.55%) F5
3 1 (4.55%) VMware