The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in Leeds. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 3 months to 27 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.

Reference Data
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank - 95 83
Contract jobs citing Reference Data 0 5 7
As % of all contract IT jobs advertised in Leeds - 0.35% 0.59%
As % of the Miscellaneous category - 1.26% 2.48%
Number of daily rates quoted 0 5 6
Median daily rate - £625 £395
Median daily rate % change year-on-year - +58.22%  
UK excluding London median daily rate £495 £444 £425
% change year-on-year +11.54% +4.41%  
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 Leeds with a requirement for generic IT skills.

Generic IT Skills
Leeds
Contract job vacancies with a requirement for generic IT skills 327 398 282
As % of all contract IT job vacancies advertised in Leeds 32.57% 27.87% 23.94%
Number of daily rates quoted 227 279 170
Median daily rate £410 £400 £363
Median daily rate % change year-on-year +2.50% +10.34%  
90% offered a daily rate of more than £320 £300 £240
10% offered a daily rate of more than £575 £600 £450
UK excluding London median daily rate £395 £375 £375
% change year-on-year +5.33% -  
Number of hourly rates quoted 4 9 19
Median hourly rate £18.35 £19.35 £15.50
Median hourly rate % change year-on-year -5.16% +24.83%  
90% offered a hourly rate of more than £14.20 £9.80 £10.50
10% offered a hourly rate of more than £22.50 £24.70 £35.00
UK excluding London median hourly rate £18.68 £27.75 £18.75
% change year-on-year -32.68% +48.00%  

Reference Data
Job Vacancy Trend in Leeds

The job posting trend of jobs advertised in Leeds 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 Leeds

Reference Data
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for Reference Data in Leeds

Reference Data
Contractor Hourly Rate Trend in Leeds

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

Contractor hourly rate trend for Reference Data in Leeds

Reference Data
Top 27 Co-occurring IT Skills in Leeds

For the 6 months to 27 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 Leeds region with a requirement for Reference Data.

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

Reference Data
Co-occurring IT Skills in Leeds 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%) Apache
1 2 (100.00%) Tomcat
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 2 (100.00%) Architect
1 2 (100.00%) Technical Architect
Libraries, Frameworks & Software Standards
1 1 (50.00%) LAPP Stack
Operating Systems
1 2 (100.00%) Linux
Processes & Methodologies
1 2 (100.00%) Agile Software Development
1 2 (100.00%) Data Architecture
1 2 (100.00%) Data Integration
1 2 (100.00%) Data Modelling
1 2 (100.00%) Open Source
2 1 (50.00%) Load Balancing
2 1 (50.00%) Open Source Development
2 1 (50.00%) Performance Testing
2 1 (50.00%) Technical Architecture
Programming Languages
1 2 (100.00%) Java
2 1 (50.00%) JavaScript
2 1 (50.00%) PHP
Qualifications
1 1 (50.00%) Security Cleared
Quality Assurance & Compliance
1 2 (100.00%) Data Quality
System Software
1 1 (50.00%) Docker
Systems Management
1 1 (50.00%) Nagios
Vendors
1 1 (50.00%) Splunk