The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in Yorkshire. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 3 months to 29 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
England / Yorkshire
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank - 132 124
Contract jobs citing Reference Data 0 8 12
As % of all contract IT jobs advertised in Yorkshire - 0.28% 0.45%
As % of the Miscellaneous category - 1.02% 1.78%
Number of daily rates quoted 0 6 6
Median daily rate - £588 £395
Median daily rate % change year-on-year - +48.73%  
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 Yorkshire with a requirement for generic IT skills.

Generic IT Skills
Yorkshire
Contract job vacancies with a requirement for generic IT skills 649 788 676
As % of all contract IT job vacancies advertised in Yorkshire 30.57% 27.41% 25.25%
Number of daily rates quoted 393 534 412
Median daily rate £410 £400 £350
Median daily rate % change year-on-year +2.50% +14.28%  
90% offered a daily rate of more than £300 £288 £220
10% offered a daily rate of more than £550 £600 £450
UK excluding London median daily rate £395 £375 £375
% change year-on-year +5.33% -  
Number of hourly rates quoted 24 25 40
Median hourly rate £19.24 £15.50 £11.72
Median hourly rate % change year-on-year +24.09% +32.25%  
90% offered a hourly rate of more than £11.08 £10.00 £9.92
10% offered a hourly rate of more than £34.24 £21.50 £21.25
UK excluding London median hourly rate £19.50 £26.50 £18.50
% change year-on-year -26.41% +43.24%  

Reference Data
Job Vacancy Trend in Yorkshire

The job posting trend of jobs advertised in Yorkshire 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 Yorkshire

Reference Data
Contractor Daily Rate Trend in Yorkshire

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

Contractor daily rate trend for Reference Data in Yorkshire

Reference Data
Contractor Hourly Rate Trend in Yorkshire

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

Contractor hourly rate trend for Reference Data in Yorkshire

For the 6 months to 29 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 Yorkshire region with a requirement for Reference Data.

1 4 (100.00%) Data Modelling
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Data Integration
2 3 (75.00%) Data Architecture
2 3 (75.00%) Open Source
2 3 (75.00%) Data Quality
3 2 (50.00%) Java
3 2 (50.00%) Linux
3 2 (50.00%) Apache
3 2 (50.00%) Tomcat
4 1 (25.00%) Python
4 1 (25.00%) JavaScript
4 1 (25.00%) PHP
4 1 (25.00%) SQL
4 1 (25.00%) XML
4 1 (25.00%) Unix
4 1 (25.00%) JMeter
4 1 (25.00%) Finance
4 1 (25.00%) PostgreSQL
4 1 (25.00%) Ab Initio
4 1 (25.00%) ETL
4 1 (25.00%) SAS
4 1 (25.00%) Informatica
4 1 (25.00%) DataStage
4 1 (25.00%) Nagios
4 1 (25.00%) Confluence
4 1 (25.00%) Apache Hive
4 1 (25.00%) Splunk
4 1 (25.00%) MapReduce
4 1 (25.00%) OpenLDAP

Reference Data
Co-occurring IT Skills in Yorkshire 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 (50.00%) Apache
1 2 (50.00%) Tomcat
2 1 (25.00%) Apache Spark
2 1 (25.00%) Confluence
2 1 (25.00%) SAS
Cloud Services
1 1 (25.00%) Amazon AWS
1 1 (25.00%) Microsoft Azure
Communications & Networking
1 1 (25.00%) OpenLDAP
Database & Business Intelligence
1 1 (25.00%) Apache Hive
1 1 (25.00%) Big Data
1 1 (25.00%) DataStage
1 1 (25.00%) Hadoop
1 1 (25.00%) HBase
1 1 (25.00%) Pentaho
1 1 (25.00%) PostgreSQL
1 1 (25.00%) Redis
1 1 (25.00%) Spark SQL
Development Applications
1 1 (25.00%) JIRA
1 1 (25.00%) JMeter
General
1 1 (25.00%) Finance
1 1 (25.00%) Retail
Job Titles
1 3 (75.00%) Architect
1 3 (75.00%) Technical Architect
2 1 (25.00%) Analyst
2 1 (25.00%) Big Data Analyst
2 1 (25.00%) Data Analyst
Libraries, Frameworks & Software Standards
1 1 (25.00%) Apache Tez
1 1 (25.00%) LAPP Stack
1 1 (25.00%) RESTful
1 1 (25.00%) XML
Operating Systems
1 2 (50.00%) Linux
2 1 (25.00%) Unix
Processes & Methodologies
1 4 (100.00%) Data Modelling
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Data Architecture
2 3 (75.00%) Data Integration
2 3 (75.00%) Open Source
3 1 (25.00%) Continuous Delivery
3 1 (25.00%) Data Management
3 1 (25.00%) ETL
3 1 (25.00%) Load Balancing
3 1 (25.00%) MapReduce
3 1 (25.00%) Open Source Development
3 1 (25.00%) Performance Testing
3 1 (25.00%) Technical Architecture
Programming Languages
1 2 (50.00%) Java
2 1 (25.00%) JavaScript
2 1 (25.00%) PHP
2 1 (25.00%) Python
2 1 (25.00%) SQL
Qualifications
1 1 (25.00%) Security Cleared
Quality Assurance & Compliance
1 3 (75.00%) Data Quality
System Software
1 1 (25.00%) Docker
Systems Management
1 1 (25.00%) Nagios
Vendors
1 1 (25.00%) Ab Initio
1 1 (25.00%) Informatica
1 1 (25.00%) Splunk