The following table provides summary statistics for contract job vacancies with a requirement for JNDI skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JNDI over the 3 months to 28 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 Naming and Directory Interface (JNDI)
UK
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 604 637 637
Rank change year-on-year +33 0  
Contract jobs citing JNDI 6 14 8
As % of all contract IT jobs advertised in the UK 0.013% 0.026% 0.015%
As % of the Libraries, Frameworks & Software Standards category 0.040% 0.091% 0.053%
Number of daily rates quoted 3 6 5
Median daily rate £475 £543 £263
Median daily rate % change year-on-year -12.44% +106.66%  
90% offered a daily rate of more than £338 £413 £250
10% offered a daily rate of more than £488 £722 £355
UK excluding London median daily rate £475 £375 £263
% change year-on-year +26.66% +42.85%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

JNDI 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 15073 15351 15194
As % of all contract IT job vacancies advertised in the UK 32.00% 28.50% 27.55%
Number of daily rates quoted 40527 42125 37909
Median daily rate £430 £420 £388
Median daily rate % change year-on-year +2.38% +8.38%  
90% offered a daily rate of more than £306 £298 £269
10% offered a daily rate of more than £600 £579 £563
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 592 521 675
Median hourly rate £42.50 £36.00 £37.80
Median hourly rate % change year-on-year +18.05% -4.76%  
90% offered a hourly rate of more than £19.25 £17.50 £17.50
10% offered a hourly rate of more than £57.50 £48.75 £55.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

JNDI
Job Vacancy Trend

Job postings citing JNDI as a percentage of all IT jobs advertised.

Job vacancy trend for JNDI in the UK

JNDI
Contractor Daily Rate Trend

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

Contractor daily rate trend for JNDI in the UK

JNDI
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JNDI over the 3 months to 28 June 2017.

Contractor daily rate histogram for JNDI in the UK

JNDI
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JNDI in the UK

JNDI
Top 4 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JNDI within the UK over the 3 months to 28 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 +29 6 £475 -12.44%
UK excluding London +33 4 £475 +26.66%
South East +27 4 £475 -
London +8 1 £313 -43.18%

For the 6 months to 28 June 2017, IT contractor jobs citing JNDI 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 JNDI.

1 15 (93.75%) Java
2 13 (81.25%) SQL
2 13 (81.25%) JMS
2 13 (81.25%) Bash Shell
3 12 (75.00%) Java EE
3 12 (75.00%) Perl
4 11 (68.75%) Linux
4 11 (68.75%) RHCE
4 11 (68.75%) JMX
4 11 (68.75%) JAAS
4 11 (68.75%) CISSP
4 11 (68.75%) Red Hat Enterprise Linux
4 11 (68.75%) RHCSA
5 10 (62.50%) Red Hat
6 9 (56.25%) SC Cleared
6 9 (56.25%) Security Cleared
7 8 (50.00%) Wireshark
7 8 (50.00%) Tomcat
8 7 (43.75%) RDBMS
8 7 (43.75%) JBoss
8 7 (43.75%) Apache
8 7 (43.75%) PostgreSQL
8 7 (43.75%) ActiveMQ
8 7 (43.75%) Relational Database
8 7 (43.75%) Redis
8 7 (43.75%) LAPP Stack
9 6 (37.50%) Smart Meter
9 6 (37.50%) Management Information System
9 6 (37.50%) Unix
10 5 (31.25%) JDBC

JNDI
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 8 (50.00%) Tomcat
2 7 (43.75%) Apache
2 7 (43.75%) JBoss
3 1 (6.25%) GemFire
3 1 (6.25%) MQSeries
3 1 (6.25%) Mule
3 1 (6.25%) Oracle Coherence
3 1 (6.25%) Oracle SOA Suite
3 1 (6.25%) WebLogic
3 1 (6.25%) WebSphere
3 1 (6.25%) WebSphere Application Server
Communications & Networking
1 8 (50.00%) Wireshark
2 3 (18.75%) SSL
3 2 (12.50%) IPv6
3 2 (12.50%) Kerberos
4 1 (6.25%) HTTP
Database & Business Intelligence
1 7 (43.75%) PostgreSQL
1 7 (43.75%) RDBMS
1 7 (43.75%) Redis
1 7 (43.75%) Relational Database
2 2 (12.50%) SQL Server
3 1 (6.25%) NoSQL
Development Applications
1 2 (12.50%) Git (software)
2 1 (6.25%) Eclipse
2 1 (6.25%) IntelliJ
2 1 (6.25%) JIRA
2 1 (6.25%) Maven
2 1 (6.25%) TeamCity
General
1 4 (25.00%) Finance
2 2 (12.50%) Retail
3 1 (6.25%) Banking
3 1 (6.25%) Investment Banking
3 1 (6.25%) Retail Banking
Job Titles
1 4 (25.00%) Applications Specialist
2 3 (18.75%) Consultant
2 3 (18.75%) Developer
2 3 (18.75%) Java Developer
3 2 (12.50%) Enterprise Consultant
3 2 (12.50%) Linux Consultant
4 1 (6.25%) Administrator
4 1 (6.25%) CISSP Specialist
4 1 (6.25%) Integration Consultant
4 1 (6.25%) Linux Specialist
4 1 (6.25%) Middleware Consultant
4 1 (6.25%) Senior Developer
4 1 (6.25%) Senior Java Developer
4 1 (6.25%) Smart Metering Engineer
4 1 (6.25%) WebSphere Administrator
Libraries, Frameworks & Software Standards
1 13 (81.25%) JMS
2 12 (75.00%) Java EE
3 11 (68.75%) JAAS
3 11 (68.75%) JMX
4 7 (43.75%) ActiveMQ
4 7 (43.75%) LAPP Stack
5 5 (31.25%) JDBC
6 4 (25.00%) J2EE
6 4 (25.00%) Web Services
7 3 (18.75%) SOAP
7 3 (18.75%) Spring
8 2 (12.50%) XML
9 1 (6.25%) Hibernate
9 1 (6.25%) IBM Integration Bus
9 1 (6.25%) JSON
9 1 (6.25%) Middleware
9 1 (6.25%) REST
9 1 (6.25%) WebSphere MQ
9 1 (6.25%) XSLT
Miscellaneous
1 6 (37.50%) Management Information System
1 6 (37.50%) Smart Meter
2 2 (12.50%) PKI
3 1 (6.25%) Analytical Skills
3 1 (6.25%) Clustering
3 1 (6.25%) DataPower
3 1 (6.25%) Mobile Banking
Operating Systems
1 11 (68.75%) Linux
1 11 (68.75%) Red Hat Enterprise Linux
2 6 (37.50%) Unix
3 1 (6.25%) Windows
Processes & Methodologies
1 5 (31.25%) Agile Software Development
2 3 (18.75%) Capacity Management
2 3 (18.75%) Continuous Improvement
2 3 (18.75%) Mentoring
3 2 (12.50%) Change Management
3 2 (12.50%) Cryptography
3 2 (12.50%) DevOps
3 2 (12.50%) ITIL
3 2 (12.50%) ITIL V3
3 2 (12.50%) Load Balancing
3 2 (12.50%) SDLC
4 1 (6.25%) Continuous Integration
4 1 (6.25%) EAI
4 1 (6.25%) Garbage Collection
4 1 (6.25%) Multithreading
4 1 (6.25%) Performance Tuning
4 1 (6.25%) Service Management
4 1 (6.25%) SOA
4 1 (6.25%) Wealth Management
Programming Languages
1 15 (93.75%) Java
2 13 (81.25%) Bash Shell
2 13 (81.25%) SQL
3 12 (75.00%) Perl
4 4 (25.00%) Python
5 2 (12.50%) C
5 2 (12.50%) C++
5 2 (12.50%) PL/SQL
5 2 (12.50%) Ruby
6 1 (6.25%) Groovy
6 1 (6.25%) Jython
6 1 (6.25%) Korn
6 1 (6.25%) Scala
Qualifications
1 11 (68.75%) CISSP
1 11 (68.75%) RHCE
1 11 (68.75%) RHCSA
2 9 (56.25%) SC Cleared
2 9 (56.25%) Security Cleared
3 2 (12.50%) CCNA
3 2 (12.50%) Cisco Certification
3 2 (12.50%) ITIL Foundation Certificate
3 2 (12.50%) RHCT
Quality Assurance & Compliance
1 2 (12.50%) ISO/IEC 27001
1 2 (12.50%) PCI DSS
System Software
1 2 (12.50%) vSphere
Systems Management
1 5 (31.25%) Cobbler
1 5 (31.25%) Opscode Chef
1 5 (31.25%) Puppet
2 2 (12.50%) vCenter Server
3 1 (6.25%) CA Wily
3 1 (6.25%) MOM
3 1 (6.25%) Rundeck
Vendors
1 10 (62.50%) Red Hat
2 3 (18.75%) Arqiva
3 2 (12.50%) Cisco
3 2 (12.50%) F5
3 2 (12.50%) IBM
3 2 (12.50%) Oracle
3 2 (12.50%) VMware
4 1 (6.25%) Salesforce.com
4 1 (6.25%) SAP
4 1 (6.25%) Sybase