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 24 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.

Java Authentication and Authorization Service (JAAS)
UK
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 582 640 643
Rank change year-on-year +58 +3  
Contract jobs citing JAAS 19 4 3
As % of all contract IT jobs advertised in the UK 0.041% 0.007% 0.005%
As % of the Libraries, Frameworks & Software Standards category 0.13% 0.026% 0.020%
Number of daily rates quoted 10 2 2
Median daily rate £449 £400 £475
Median daily rate % change year-on-year +12.18% -15.78%  
UK excluding London median daily rate £449 £400 £475
% change year-on-year +12.18% -15.78%  
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 14826 15294 15382
As % of all contract IT job vacancies advertised in the UK 32.05% 28.44% 27.42%
Number of daily rates quoted 10246 10766 10266
Median daily rate £426 £420 £388
Median daily rate % change year-on-year +1.30% +8.38%  
90% offered a daily rate of more than £315 £300 £280
10% offered a daily rate of more than £580 £550 £550
UK excluding London median daily rate £398 £375 £350
% change year-on-year +6.00% +7.14%  
Number of hourly rates quoted 194 181 209
Median hourly rate £42.50 £36.00 £37.45
Median hourly rate % change year-on-year +18.05% -3.87%  
90% offered a hourly rate of more than £21.00 £18.80 £17.86
10% offered a hourly rate of more than £55.00 £50.00 £55.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

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 8 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 24 June 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 +64 18 £448 +11.87%
Essex - 11 £447 -
East of England - 11 £447 -
Southend-on-Sea - 8 £447 -
South East - 6 £475 -
Hampshire - 5 £475 -
Winchester - 2 £475 -
Berkshire - 1 £447 -

For the 6 months to 24 June 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 37 (100.00%) Java
2 32 (86.49%) Linux
3 30 (81.08%) JBoss
3 30 (81.08%) SQL
4 29 (78.38%) Relational Database
5 26 (70.27%) HTML
6 24 (64.86%) Agile Software Development
7 23 (62.16%) Spring
7 23 (62.16%) MVC
7 23 (62.16%) CSS
7 23 (62.16%) LDAP
7 23 (62.16%) Unix
7 23 (62.16%) Web Development
7 23 (62.16%) Spring MVC
8 22 (59.46%) JAXB
8 22 (59.46%) XML
8 22 (59.46%) MySQL
9 21 (56.76%) Oracle
9 21 (56.76%) Continuous Integration
9 21 (56.76%) MariaDB
10 20 (54.05%) Enterprise Software
10 20 (54.05%) EclipseLink
10 20 (54.05%) Hibernate
11 19 (51.35%) PL/SQL
12 18 (48.65%) JUnit
12 18 (48.65%) TDD
12 18 (48.65%) Jenkins
12 18 (48.65%) Git (software)
12 18 (48.65%) Test Automation
12 18 (48.65%) Mockito

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 30 (81.08%) JBoss
2 12 (32.43%) WebLogic
3 7 (18.92%) Apache
3 7 (18.92%) Tomcat
Cloud Services
1 3 (8.11%) PaaS
Communications & Networking
1 23 (62.16%) LDAP
2 9 (24.32%) HTTP
3 8 (21.62%) Wireshark
4 5 (13.51%) Kerberos
5 2 (5.41%) IPv6
5 2 (5.41%) SSL
Database & Business Intelligence
1 29 (78.38%) Relational Database
2 22 (59.46%) MySQL
3 21 (56.76%) MariaDB
4 7 (18.92%) PostgreSQL
4 7 (18.92%) RDBMS
4 7 (18.92%) Redis
5 2 (5.41%) SQL Server
Development Applications
1 18 (48.65%) Git (software)
1 18 (48.65%) Jenkins
1 18 (48.65%) JUnit
1 18 (48.65%) Mockito
2 3 (8.11%) JIRA
General
1 1 (2.70%) Finance
Job Titles
1 26 (70.27%) Developer
1 26 (70.27%) Java Developer
2 4 (10.81%) Applications Specialist
3 2 (5.41%) Architect
3 2 (5.41%) Consultant
3 2 (5.41%) Enterprise Consultant
3 2 (5.41%) J2EE Developer
3 2 (5.41%) Java Architect
3 2 (5.41%) Java Engineer
3 2 (5.41%) Java/J2EE Developer
3 2 (5.41%) Linux Consultant
3 2 (5.41%) Linux Developer
3 2 (5.41%) SQL Developer
4 1 (2.70%) CISSP Specialist
4 1 (2.70%) Linux Specialist
4 1 (2.70%) Smart Metering Engineer
Libraries, Frameworks & Software Standards
1 26 (70.27%) HTML
2 23 (62.16%) CSS
2 23 (62.16%) Spring
2 23 (62.16%) Spring MVC
3 22 (59.46%) JAXB
3 22 (59.46%) XML
4 20 (54.05%) EclipseLink
4 20 (54.05%) Hibernate
5 17 (45.95%) JPA
6 12 (32.43%) JAX-RPC
6 12 (32.43%) Struts
6 12 (32.43%) Struts2
6 12 (32.43%) Web Services
7 11 (29.73%) Java EE
7 11 (29.73%) JMS
7 11 (29.73%) JMX
7 11 (29.73%) JNDI
7 11 (29.73%) REST
8 7 (18.92%) ActiveMQ
8 7 (18.92%) LAPP Stack
Miscellaneous
1 20 (54.05%) Enterprise Software
2 6 (16.22%) Smart Meter
3 5 (13.51%) Management Information System
4 3 (8.11%) Analytical Skills
5 2 (5.41%) PKI
6 1 (2.70%) RIA
Operating Systems
1 32 (86.49%) Linux
2 23 (62.16%) Unix
3 17 (45.95%) Mac OS X
4 14 (37.84%) Red Hat Enterprise Linux
5 1 (2.70%) Mac OS
Processes & Methodologies
1 24 (64.86%) Agile Software Development
2 23 (62.16%) MVC
2 23 (62.16%) Web Development
3 21 (56.76%) Continuous Integration
4 18 (48.65%) TDD
4 18 (48.65%) Test Automation
5 13 (35.14%) Mentoring
6 12 (32.43%) Configuration Management
6 12 (32.43%) Continuous Deployment
6 12 (32.43%) Responsive Web Design
6 12 (32.43%) Web Design
7 11 (29.73%) Data Visualisation
7 11 (29.73%) Microservices
7 11 (29.73%) Visualisation
8 5 (13.51%) DevOps
9 3 (8.11%) Capacity Management
9 3 (8.11%) Continuous Delivery
9 3 (8.11%) Continuous Improvement
9 3 (8.11%) Kanban
9 3 (8.11%) Process Improvement
Programming Languages
1 37 (100.00%) Java
2 30 (81.08%) SQL
3 19 (51.35%) PL/SQL
4 14 (37.84%) JavaScript
4 14 (37.84%) Perl
5 11 (29.73%) Bash Shell
6 5 (13.51%) C
6 5 (13.51%) Python
6 5 (13.51%) Ruby
7 3 (8.11%) Go
8 2 (5.41%) C++
Qualifications
1 11 (29.73%) CISSP
1 11 (29.73%) RHCE
1 11 (29.73%) RHCSA
2 9 (24.32%) SC Cleared
2 9 (24.32%) Security Cleared
3 2 (5.41%) CCNA
3 2 (5.41%) Cisco Certification
3 2 (5.41%) ITIL Foundation Certificate
3 2 (5.41%) RHCT
Quality Assurance & Compliance
1 2 (5.41%) ISO/IEC 27001
1 2 (5.41%) PCI DSS
2 1 (2.70%) FATCA
System Software
1 3 (8.11%) Active Directory
2 2 (5.41%) vSphere
Systems Management
1 5 (13.51%) Cobbler
1 5 (13.51%) Opscode Chef
1 5 (13.51%) Puppet
2 3 (8.11%) Kubernetes
3 2 (5.41%) vCenter Server
Vendors
1 21 (56.76%) Oracle
2 13 (35.14%) Red Hat
3 3 (8.11%) Arqiva
4 2 (5.41%) Cisco
4 2 (5.41%) F5
4 2 (5.41%) VMware