The following table provides summary statistics for contract job vacancies advertised in Cardiff 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 23 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
23 Mar 2017
Same period 2016 Same period 2015
Data Quality
South Wales / Cardiff
Rank 32 56 34
Rank change year-on-year +24 -22  
Contract jobs citing Data Quality 7 5 3
As % of all contract IT jobs advertised in Cardiff 2.06% 1.18% 1.13%
As % of the Quality Assurance & Compliance category 11.86% 7.69% 16.67%
Number of daily rates quoted 5 3 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 0 0
Median hourly rate - - -
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 Cardiff with a requirement for quality assurance and compliance skills.

Contract Quality Assurance & Compliance Skills
Cardiff
Contract job vacancies with a requirement for quality assurance and compliance skills 59 65 18
As % of all contract IT job vacancies advertised in Cardiff 17.40% 15.37% 6.79%
Number of daily rates quoted 50 46 13
Median daily rate £365 £325 £400
Median daily rate % change year-on-year +12.30% -18.75%  
90% offered a daily rate of more than £186 £213 £325
10% offered a daily rate of more than £625 £420 £418
UK excluding London median daily rate £400 £400 £382
% change year-on-year - +4.64%  
Number of hourly rates quoted 1 0 2
Median hourly rate £32.50 - £14.13
UK excluding London median hourly rate £19.45 £41.00 £26.00
% change year-on-year -52.56% +57.69%  

Data Quality
Job Vacancy Trend in Cardiff

The job posting trend of jobs advertised in Cardiff 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 Cardiff

Data Quality
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for Data Quality in Cardiff

Data Quality
Top 30 Related IT Skills in Cardiff

For the 6 months to 23 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 Cardiff region with a requirement for Data Quality.

1 13 (100.00%) Data Warehouse
1 13 (100.00%) ETL
1 13 (100.00%) Informatica
1 13 (100.00%) Teradata
2 12 (92.31%) Oracle
3 7 (53.85%) SQL
3 7 (53.85%) Business Intelligence
3 7 (53.85%) BusinessObjects
3 7 (53.85%) MicroStrategy
3 7 (53.85%) ERwin
3 7 (53.85%) Data Management
3 7 (53.85%) Quality Management
3 7 (53.85%) SQL Server Reporting Services
3 7 (53.85%) Ab Initio
3 7 (53.85%) QlikView
3 7 (53.85%) SQL Server Integration Services
3 7 (53.85%) Data Architecture
3 7 (53.85%) Tableau
4 6 (46.15%) Data Analytics
4 6 (46.15%) Database Tuning
4 6 (46.15%) Hadoop
4 6 (46.15%) Analytics
4 6 (46.15%) Oracle Database
4 6 (46.15%) ETL Development
4 6 (46.15%) Dimensional Modelling
4 6 (46.15%) Data Migration
4 6 (46.15%) Data Mapping
4 6 (46.15%) Netezza
4 6 (46.15%) Migration
4 6 (46.15%) PowerCenter

Data Quality
Top Related IT Skills in Cardiff 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 6 (46.15%) SAS
2 5 (38.46%) PowerExchange
Database & Business Intelligence
1 13 (100.00%) Data Warehouse
2 7 (53.85%) BusinessObjects
2 7 (53.85%) QlikView
2 7 (53.85%) SQL Server Integration Services
2 7 (53.85%) SQL Server Reporting Services
3 6 (46.15%) Hadoop
3 6 (46.15%) Oracle Database
3 6 (46.15%) PowerCenter
3 6 (46.15%) SQL Server
4 2 (15.38%) Enterprise Data Warehouse
Development Applications
1 7 (53.85%) ERwin
General
1 1 (7.69%) Finance
Job Titles
1 7 (53.85%) Architect
1 7 (53.85%) Data Architect
2 6 (46.15%) Consultant
3 5 (38.46%) Informatica Consultant
4 2 (15.38%) Teradata Architect
5 1 (7.69%) Exchange Consultant
Libraries, Frameworks & Software Standards
1 3 (23.08%) XML
Miscellaneous
1 3 (23.08%) iSeries
Operating Systems
1 5 (38.46%) Linux
2 4 (30.77%) Windows
Processes & Methodologies
1 13 (100.00%) ETL
2 7 (53.85%) Business Intelligence
2 7 (53.85%) Data Architecture
2 7 (53.85%) Data Management
2 7 (53.85%) Quality Management
3 6 (46.15%) Analytics
3 6 (46.15%) Data Analytics
3 6 (46.15%) Data Mapping
3 6 (46.15%) Data Migration
3 6 (46.15%) Database Tuning
3 6 (46.15%) Dimensional Modelling
3 6 (46.15%) ETL Development
3 6 (46.15%) Migration
4 5 (38.46%) Data Analysis
4 5 (38.46%) Technical Architecture
4 5 (38.46%) TOGAF
5 4 (30.77%) Change Data Capture
5 4 (30.77%) Data Modelling
6 3 (23.08%) Translating Business Requirements
7 1 (7.69%) High Availability
Programming Languages
1 7 (53.85%) SQL
System Software
1 4 (30.77%) Oracle RAC
Vendors
1 13 (100.00%) Informatica
1 13 (100.00%) Teradata
2 12 (92.31%) Oracle
3 7 (53.85%) Ab Initio
3 7 (53.85%) MicroStrategy
3 7 (53.85%) Tableau
4 6 (46.15%) Netezza