The following table provides summary statistics for contract job vacancies advertised in Wales with a requirement for Data Quality skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Quality over the 3 months to 22 March 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Data Quality
UK / Wales
Rank 59 69 59
Rank change year-on-year +10 -10  
Contract jobs citing Data Quality 7 9 3
As % of all contract IT jobs advertised in Wales 1.00% 1.31% 0.44%
As % of the Quality Assurance & Compliance category 6.60% 9.00% 5.08%
Number of daily rates quoted 5 6 3
Median daily rate £500 £325 £400
Median daily rate % change year-on-year +53.84% -18.75%  
UK excluding London median daily rate £423 £409 £400
% change year-on-year +3.36% +2.12%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £12.50 -
UK excluding London median hourly rate £10.50 £15.00 £25.00
% change year-on-year -30.00% -40.00%  

Data Quality is in the quality assurance and compliance skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Wales with a requirement for quality assurance and compliance skills.

Contract Quality Assurance & Compliance Skills
Wales
Contract job vacancies with a requirement for quality assurance and compliance skills 106 100 59
As % of all contract IT job vacancies advertised in Wales 15.19% 14.56% 8.56%
Number of daily rates quoted 79 70 23
Median daily rate £400 £350 £400
Median daily rate % change year-on-year +14.28% -12.50%  
90% offered a daily rate of more than £263 £139 £325
10% offered a daily rate of more than £625 £500 £465
UK excluding London median daily rate £400 £400 £380
% change year-on-year - +5.26%  
Number of hourly rates quoted 7 2 3
Median hourly rate £45.00 £66.00 £11.25
Median hourly rate % change year-on-year -31.81% +486.66%  
90% offered a hourly rate of more than £26.65 £23.20 £11.00
10% offered a hourly rate of more than £55.75 £66.00 £15.18
UK excluding London median hourly rate £19.90 £42.00 £27.13
% change year-on-year -52.61% +54.83%  

Data Quality
Job Vacancy Trend in Wales

The job posting trend of jobs advertised in Wales citing Data Quality as a proportion of all contract or permanent IT jobs with a match in the Quality Assurance & Compliance category.

Job vacancy trend for Data Quality in Wales

Data Quality
Contractor Daily Rate Trend in Wales

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

Contractor daily rate trend for Data Quality in Wales

Data Quality
Contractor Hourly Rate Trend in Wales

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

Contractor hourly rate trend for Data Quality in Wales

Data Quality
Contract Job Locations in Wales

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Quality within the Wales region over the 3 months to 22 March 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
South Wales +14 7 £500 +53.84%
Data Quality
UK

Data Quality
Top 30 Related IT Skills in Wales

For the 6 months to 22 March 2017, IT contractor jobs citing Data Quality 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 Wales region with a requirement for Data Quality.

1 15 (93.75%) Data Warehouse
1 15 (93.75%) ETL
1 15 (93.75%) Informatica
1 15 (93.75%) Teradata
2 14 (87.50%) Oracle
3 8 (50.00%) Business Intelligence
4 7 (43.75%) BusinessObjects
4 7 (43.75%) SQL Server Reporting Services
4 7 (43.75%) Data Management
4 7 (43.75%) Ab Initio
4 7 (43.75%) SQL Server Integration Services
4 7 (43.75%) Quality Management
4 7 (43.75%) PowerCenter
4 7 (43.75%) MicroStrategy
4 7 (43.75%) ERwin
4 7 (43.75%) PowerExchange
4 7 (43.75%) SQL
4 7 (43.75%) QlikView
4 7 (43.75%) Hadoop
4 7 (43.75%) Data Architecture
4 7 (43.75%) Tableau
5 6 (37.50%) Data Analytics
5 6 (37.50%) Change Data Capture
5 6 (37.50%) Analytics
5 6 (37.50%) Dimensional Modelling
5 6 (37.50%) Data Migration
5 6 (37.50%) Data Mapping
5 6 (37.50%) Oracle Database
5 6 (37.50%) Database Tuning
5 6 (37.50%) ETL Development

Data Quality
Top Related IT Skills in Wales 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 7 (43.75%) PowerExchange
2 6 (37.50%) SAS
3 1 (6.25%) Apache Pig
Communications & Networking
1 1 (6.25%) Kerberos
Database & Business Intelligence
1 15 (93.75%) Data Warehouse
2 7 (43.75%) BusinessObjects
2 7 (43.75%) Hadoop
2 7 (43.75%) PowerCenter
2 7 (43.75%) QlikView
2 7 (43.75%) SQL Server Integration Services
2 7 (43.75%) SQL Server Reporting Services
3 6 (37.50%) Oracle Database
3 6 (37.50%) SQL Server
4 2 (12.50%) Enterprise Data Warehouse
5 1 (6.25%) Apache Hive
5 1 (6.25%) Big Data
Development Applications
1 7 (43.75%) ERwin
General
1 1 (6.25%) Finance
Job Titles
1 8 (50.00%) Architect
1 8 (50.00%) Consultant
1 8 (50.00%) Data Architect
2 7 (43.75%) Informatica Consultant
3 2 (12.50%) Data Consultant
3 2 (12.50%) Teradata Architect
4 1 (6.25%) Big Data Architect
4 1 (6.25%) Exchange Consultant
4 1 (6.25%) Hadoop Architect
Libraries, Frameworks & Software Standards
1 3 (18.75%) XML
Miscellaneous
1 4 (25.00%) iSeries
Operating Systems
1 6 (37.50%) Linux
2 4 (25.00%) Windows
Processes & Methodologies
1 15 (93.75%) ETL
2 8 (50.00%) Business Intelligence
3 7 (43.75%) Data Architecture
3 7 (43.75%) Data Management
3 7 (43.75%) Quality Management
4 6 (37.50%) Analytics
4 6 (37.50%) Change Data Capture
4 6 (37.50%) Data Analysis
4 6 (37.50%) Data Analytics
4 6 (37.50%) Data Mapping
4 6 (37.50%) Data Migration
4 6 (37.50%) Database Tuning
4 6 (37.50%) Dimensional Modelling
4 6 (37.50%) ETL Development
4 6 (37.50%) Migration
4 6 (37.50%) Technical Architecture
5 5 (31.25%) TOGAF
6 4 (25.00%) Data Modelling
7 3 (18.75%) Translating Business Requirements
8 1 (6.25%) DevOps
Programming Languages
1 7 (43.75%) SQL
System Software
1 5 (31.25%) Oracle RAC
2 1 (6.25%) HDFS
Vendors
1 15 (93.75%) Informatica
1 15 (93.75%) Teradata
2 14 (87.50%) Oracle
3 7 (43.75%) Ab Initio
3 7 (43.75%) MicroStrategy
3 7 (43.75%) Tableau
4 6 (37.50%) Netezza