The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in Birmingham. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 3 months to 23 March 2017 with a comparison to the same period over 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Reference Data
West Midlands / Birmingham
Rank 57 53 -
Rank change year-on-year -4 -  
Contract jobs citing Reference Data 1 7 0
As % of all contract IT jobs advertised in Birmingham 0.16% 1.09% -
As % of the Miscellaneous category 0.55% 3.95% -
Number of daily rates quoted 1 7 0
Median daily rate £363 £475 -
Median daily rate % change year-on-year -23.68% -  
UK excluding London median daily rate £504 £450 £400
% change year-on-year +11.94% +12.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £32.50

Reference Data is in the generic IT skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Birmingham with a requirement for generic IT skills.

Generic IT Skills
Birmingham
Contract job vacancies with a requirement for generic IT skills 182 177 186
As % of all contract IT job vacancies advertised in Birmingham 28.48% 27.57% 26.50%
Number of daily rates quoted 128 108 98
Median daily rate £400 £375 £360
Median daily rate % change year-on-year +6.66% +4.16%  
90% offered a daily rate of more than £273 £250 £204
10% offered a daily rate of more than £484 £475 £500
UK excluding London median daily rate £395 £375 £375
% change year-on-year +5.33% -  
Number of hourly rates quoted 5 8 10
Median hourly rate £15.00 £13.00 £15.00
Median hourly rate % change year-on-year +15.38% -13.33%  
90% offered a hourly rate of more than £13.00 £11.93 £11.93
10% offered a hourly rate of more than £31.80 £38.00 £26.00
UK excluding London median hourly rate £19.25 £29.00 £18.83
% change year-on-year -33.62% +54.05%  

Reference Data
Job Vacancy Trend in Birmingham

The job posting trend of jobs advertised in Birmingham citing Reference Data as a proportion of all contract or permanent IT jobs with a match in the Miscellaneous category.

Job vacancy trend for Reference Data in Birmingham

Reference Data
Contractor Daily Rate Trend in Birmingham

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

Contractor daily rate trend for Reference Data in Birmingham

Reference Data
Top 24 Related IT Skills in Birmingham

For the 6 months to 23 March 2017, IT contractor jobs citing Reference Data 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 Birmingham region with a requirement for Reference Data.

1 2 (100.00%) Tomcat
2 1 (50.00%) Data Modelling
2 1 (50.00%) Nagios
2 1 (50.00%) JMeter
2 1 (50.00%) PostgreSQL
2 1 (50.00%) Agile Software Development
2 1 (50.00%) Load Balancing
2 1 (50.00%) Grails
2 1 (50.00%) Data Integration
2 1 (50.00%) Data Architecture
2 1 (50.00%) OpenLDAP
2 1 (50.00%) Microsoft Azure
2 1 (50.00%) Amazon AWS
2 1 (50.00%) Splunk
2 1 (50.00%) Data Quality
2 1 (50.00%) Redis
2 1 (50.00%) Docker
2 1 (50.00%) CRUD
2 1 (50.00%) LAPP Stack
2 1 (50.00%) Java
2 1 (50.00%) JavaScript
2 1 (50.00%) PHP
2 1 (50.00%) Linux
2 1 (50.00%) Apache

Reference Data
Top Related IT Skills in Birmingham 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 2 (100.00%) Tomcat
2 1 (50.00%) Apache
Cloud Services
1 1 (50.00%) Amazon AWS
1 1 (50.00%) Microsoft Azure
Communications & Networking
1 1 (50.00%) OpenLDAP
Database & Business Intelligence
1 1 (50.00%) PostgreSQL
1 1 (50.00%) Redis
Development Applications
1 1 (50.00%) JMeter
Job Titles
1 1 (50.00%) Architect
1 1 (50.00%) Developer
1 1 (50.00%) Technical Architect
Libraries, Frameworks & Software Standards
1 1 (50.00%) Grails
1 1 (50.00%) LAPP Stack
Operating Systems
1 1 (50.00%) Linux
Processes & Methodologies
1 1 (50.00%) Agile Software Development
1 1 (50.00%) CRUD
1 1 (50.00%) Data Architecture
1 1 (50.00%) Data Integration
1 1 (50.00%) Data Modelling
1 1 (50.00%) Load Balancing
Programming Languages
1 1 (50.00%) Java
1 1 (50.00%) JavaScript
1 1 (50.00%) PHP
Quality Assurance & Compliance
1 1 (50.00%) Data Quality
System Software
1 1 (50.00%) Docker
Systems Management
1 1 (50.00%) Nagios
Vendors
1 1 (50.00%) Splunk