The following table provides summary statistics for contract job vacancies advertised in Buckinghamshire 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 30 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.

Data Quality
South East / Buckinghamshire
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 82 56 64
Rank change year-on-year -26 +8  
Contract jobs citing Data Quality 1 25 23
As % of all contract IT jobs advertised in Buckinghamshire 0.097% 2.35% 1.92%
As % of the Quality Assurance & Compliance category 0.74% 20.83% 10.80%
Number of daily rates quoted 1 15 13
Median daily rate £875 £400 £350
Median daily rate % change year-on-year +118.75% +14.28%  
UK excluding London median daily rate £425 £413 £400
% change year-on-year +3.03% +3.12%  
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 Buckinghamshire with a requirement for quality assurance and compliance skills.

Contract Quality Assurance & Compliance Skills
Buckinghamshire
Contract job vacancies with a requirement for quality assurance and compliance skills 136 120 213
As % of all contract IT job vacancies advertised in Buckinghamshire 13.14% 11.29% 17.74%
Number of daily rates quoted 67 48 93
Median daily rate £395 £400 £328
Median daily rate % change year-on-year -1.25% +22.13%  
90% offered a daily rate of more than £264 £201 £258
10% offered a daily rate of more than £550 £500 £450
UK excluding London median daily rate £400 £400 £380
% change year-on-year - +5.26%  
Number of hourly rates quoted 3 4 3
Median hourly rate £14.00 £16.05 £40.00
Median hourly rate % change year-on-year -12.74% -59.88%  
UK excluding London median hourly rate £20.00 £40.00 £29.00
% change year-on-year -50.00% +37.93%  

Data Quality
Job Vacancy Trend in Buckinghamshire

The job posting trend of jobs advertised in Buckinghamshire 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 Buckinghamshire

Data Quality
Contractor Daily Rate Trend in Buckinghamshire

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

Contractor daily rate trend for Data Quality in Buckinghamshire

Data Quality
Contractor Hourly Rate Trend in Buckinghamshire

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

Contractor hourly rate trend for Data Quality in Buckinghamshire

For the 6 months to 30 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 Buckinghamshire region with a requirement for Data Quality.

1 3 (50.00%) ETL
1 3 (50.00%) Data Governance
2 2 (33.33%) SQL Server Analysis Services
2 2 (33.33%) Data Architecture
2 2 (33.33%) Hadoop
2 2 (33.33%) SQL Server 2016
2 2 (33.33%) Data Lineage
2 2 (33.33%) Star Schema
2 2 (33.33%) Microsoft
2 2 (33.33%) SQL Server
2 2 (33.33%) OLAP
2 2 (33.33%) MS Office
2 2 (33.33%) Data Warehouse
2 2 (33.33%) Data Modelling
2 2 (33.33%) Stakeholder Management
2 2 (33.33%) Banking
2 2 (33.33%) Microsoft Analysis Services
2 2 (33.33%) SQL Server Integration Services
3 1 (16.67%) Corporate Banking
3 1 (16.67%) Data Analysis
3 1 (16.67%) Business Analysis
3 1 (16.67%) MS PowerPoint
3 1 (16.67%) Google
3 1 (16.67%) Retail
3 1 (16.67%) Data Management
3 1 (16.67%) Information Management
3 1 (16.67%) Finance
3 1 (16.67%) MS Excel
3 1 (16.67%) Project Management
3 1 (16.67%) Data Ingestion

Data Quality
Co-occurring IT Skills in Buckinghamshire 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 1 (16.67%) Apache Spark
Applications
1 2 (33.33%) MS Office
2 1 (16.67%) MS Excel
2 1 (16.67%) MS PowerPoint
Cloud Services
1 1 (16.67%) Google Cloud Platform
Database & Business Intelligence
1 2 (33.33%) Data Warehouse
1 2 (33.33%) Hadoop
1 2 (33.33%) Microsoft Analysis Services
1 2 (33.33%) OLAP
1 2 (33.33%) SQL Server
1 2 (33.33%) SQL Server 2016
1 2 (33.33%) SQL Server Analysis Services
1 2 (33.33%) SQL Server Integration Services
1 2 (33.33%) Star Schema
2 1 (16.67%) Apache Hive
2 1 (16.67%) Big Data
2 1 (16.67%) BigQuery
2 1 (16.67%) Data Lake
2 1 (16.67%) HBase
2 1 (16.67%) Impala
2 1 (16.67%) NoSQL
2 1 (16.67%) Sqoop
General
1 2 (33.33%) Banking
2 1 (16.67%) Corporate Banking
2 1 (16.67%) Finance
2 1 (16.67%) Retail
Job Titles
1 2 (33.33%) Analyst
1 2 (33.33%) Architect
1 2 (33.33%) Data Architect
1 2 (33.33%) Data Warehouse Architect
2 1 (16.67%) Big Data Engineer
2 1 (16.67%) Business Analyst
2 1 (16.67%) Business Change Analyst
2 1 (16.67%) Business Change Business Analyst
2 1 (16.67%) Change Management Business Analyst
2 1 (16.67%) Consultant
2 1 (16.67%) Data Analyst
2 1 (16.67%) Data Business Analyst
2 1 (16.67%) Data Consultant
2 1 (16.67%) Data Engineer
2 1 (16.67%) Project Analyst
2 1 (16.67%) Senior Analyst
2 1 (16.67%) Senior Data Analyst
2 1 (16.67%) Stakeholder Analyst
2 1 (16.67%) Stakeholder Management Business Analyst
Libraries, Frameworks & Software Standards
1 1 (16.67%) Kafka
Miscellaneous
1 1 (16.67%) Analytical Skills
Processes & Methodologies
1 3 (50.00%) Data Governance
1 3 (50.00%) ETL
2 2 (33.33%) Data Architecture
2 2 (33.33%) Data Lineage
2 2 (33.33%) Data Modelling
2 2 (33.33%) Stakeholder Management
3 1 (16.67%) API Development
3 1 (16.67%) Business Analysis
3 1 (16.67%) Data Analysis
3 1 (16.67%) Data Cleansing
3 1 (16.67%) Data Ingestion
3 1 (16.67%) Data Management
3 1 (16.67%) Data Mapping
3 1 (16.67%) Information Management
3 1 (16.67%) Machine Learning
3 1 (16.67%) Project Management
System Software
1 1 (16.67%) Apache Flume
Vendors
1 2 (33.33%) Microsoft
2 1 (16.67%) Google
2 1 (16.67%) Tableau