Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London 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 6 months to 24 November 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
Central London > City of London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 176 140 166
Rank change year-on-year -36 +26 -19
Contract jobs citing Data Quality 65 102 110
As % of all contract IT jobs advertised in the City of London 0.91% 1.53% 1.21%
As % of the Quality Assurance & Compliance category 6.97% 12.98% 10.89%
Number of daily rates quoted 53 87 86
City of London median daily rate £475 £475 £425
Median daily rate % change year-on-year - +11.76% -5.56%
10th Percentile £305 £374 £256
90th Percentile £635 £746 £575
Central London median daily rate £475 £475 £450
% change year-on-year - +5.56% -
Number of hourly rates quoted 1 0 0
City of London median hourly rate £65.00 - -
Central London median hourly rate £65.00 - -

Data Quality is in the Quality Assurance and Compliance category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
City of London
Contract vacancies with a requirement for quality assurance or compliance skills 933 786 1010
As % of all contract IT jobs advertised in the City of London 13.05% 11.79% 11.11%
Number of daily rates quoted 731 621 731
City of London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +1.12%
10th Percentile £313 £313 £293
90th Percentile £675 £675 £625
Central London median daily rate £485 £475 £450
% change year-on-year +2.11% +5.56% +2.86%
Number of hourly rates quoted 12 5 16
City of London median hourly rate £15.00 £46.50 £21.63
Median hourly rate % change year-on-year -67.74% +115.03% +23.57%
Central London median hourly rate £15.00 £46.50 £22.00
% change year-on-year -67.74% +111.36% +37.50%

Data Quality
Job Vacancy Trend in the City of London

Job postings citing Data Quality as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Data Quality in the City of London

Data Quality
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Data Quality in the City of London

Data Quality
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Quality in the City of London over the 6 months to 24 November 2017.

Contractor daily rate histogram for Data Quality in the City of London

Data Quality
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Data Quality in the City of London

For the 6 months to 24 November 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 City of London region with a requirement for Data Quality.

1 23 (35.38%) SQL
2 21 (32.31%) Data Modelling
3 16 (24.62%) Business Intelligence
3 16 (24.62%) Migration
4 15 (23.08%) ETL
4 15 (23.08%) Data Migration
5 14 (21.54%) Data Analysis
6 13 (20.00%) Finance
6 13 (20.00%) Project Management
7 12 (18.46%) Data Management
7 12 (18.46%) Agile Software Development
8 11 (16.92%) Data Governance
9 10 (15.38%) Stakeholder Management
9 10 (15.38%) Analytical Skills
10 9 (13.85%) Data Warehouse
10 9 (13.85%) Analytics
11 8 (12.31%) Data Cleansing
11 8 (12.31%) Data Integration
12 7 (10.77%) Microsoft
12 7 (10.77%) Oracle
12 7 (10.77%) SQL Server
12 7 (10.77%) Data Architecture
12 7 (10.77%) Hadoop
12 7 (10.77%) GDPR
13 6 (9.23%) Amazon AWS
13 6 (9.23%) Big Data
13 6 (9.23%) QA
13 6 (9.23%) SAP
13 6 (9.23%) Retail
14 5 (7.69%) Banking

Data Quality
Co-occurring IT Skills in the City of London 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 3 (4.62%) Apache
2 2 (3.08%) Apache Spark
3 1 (1.54%) CMS
3 1 (1.54%) Confluence
3 1 (1.54%) SAS
Applications
1 3 (4.62%) Microsoft Office
2 2 (3.08%) Microsoft Excel
3 1 (1.54%) MS Visio
Business Applications
1 2 (3.08%) Dynamics NAV
1 2 (3.08%) HFM
2 1 (1.54%) Dynamics CRM
2 1 (1.54%) Hyperion Planning
2 1 (1.54%) Markit EDM
2 1 (1.54%) Raiser's Edge
Cloud Services
1 6 (9.23%) Amazon AWS
2 3 (4.62%) Adobe Analytics
2 3 (4.62%) Google Analytics
2 3 (4.62%) Microsoft Azure
3 1 (1.54%) Google Cloud Platform
3 1 (1.54%) Trello
Communications & Networking
1 2 (3.08%) SMS
2 1 (1.54%) VLAN
Database & Business Intelligence
1 9 (13.85%) Data Warehouse
2 7 (10.77%) Hadoop
2 7 (10.77%) SQL Server
3 6 (9.23%) Big Data
4 5 (7.69%) Power BI
5 4 (6.15%) HBase
5 4 (6.15%) QlikView
6 3 (4.62%) Amazon Redshift
6 3 (4.62%) Microsoft Analysis Services
6 3 (4.62%) OLAP
6 3 (4.62%) OLAP Cube
6 3 (4.62%) SQL Server Analysis Services
6 3 (4.62%) SQL Server Reporting Services
7 2 (3.08%) Apache Hive
7 2 (3.08%) BusinessObjects
7 2 (3.08%) Oracle Reports
7 2 (3.08%) Qlik Sense
7 2 (3.08%) Relational Database
7 2 (3.08%) SQL Server 2008
7 2 (3.08%) SQL Server Integration Services
Development Applications
1 4 (6.15%) Team Foundation Server
2 3 (4.62%) Visual Studio
3 1 (1.54%) Eclipse
3 1 (1.54%) HP UFT
3 1 (1.54%) JIRA
3 1 (1.54%) LoadRunner
3 1 (1.54%) Oracle Forms
General
1 13 (20.00%) Finance
2 6 (9.23%) Retail
3 5 (7.69%) Banking
3 5 (7.69%) Marketing
4 4 (6.15%) Legal
5 2 (3.08%) Electronics
5 2 (3.08%) Investment Banking
5 2 (3.08%) Manufacturing
5 2 (3.08%) Publishing
5 2 (3.08%) Telecoms
6 1 (1.54%) Financial Institution
6 1 (1.54%) Law
6 1 (1.54%) Pharmaceutical
Job Titles
1 27 (41.54%) Analyst
2 16 (24.62%) Data Analyst
3 11 (16.92%) Developer
4 8 (12.31%) Architect
5 7 (10.77%) Project Manager
6 6 (9.23%) Business Analyst
7 5 (7.69%) Data Architect
8 4 (6.15%) Business Intelligence Developer
8 4 (6.15%) Consultant
8 4 (6.15%) Governance Analyst
9 3 (4.62%) Analytics Consultant
9 3 (4.62%) Implementation Consultant
9 3 (4.62%) Senior Analyst
10 2 (3.08%) Analyst Developer
10 2 (3.08%) Applications Support Analyst
10 2 (3.08%) Data Business Analyst
10 2 (3.08%) Data Engineer
10 2 (3.08%) Data Migration Specialist
10 2 (3.08%) GDPR Project Manager
10 2 (3.08%) Migration Specialist
Libraries, Frameworks & Software Standards
1 4 (6.15%) JSON
2 3 (4.62%) HTML
2 3 (4.62%) JMS
2 3 (4.62%) Kafka
2 3 (4.62%) MDX
2 3 (4.62%) XML
3 2 (3.08%) Web Services
4 1 (1.54%) .NET
4 1 (1.54%) BAPI
4 1 (1.54%) COM
4 1 (1.54%) IBM Integration Bus
4 1 (1.54%) J2EE
4 1 (1.54%) Matplotlib
4 1 (1.54%) Pandas
4 1 (1.54%) PySpark
4 1 (1.54%) RESTful
4 1 (1.54%) SOAP
4 1 (1.54%) SparkR
4 1 (1.54%) Visualforce
4 1 (1.54%) WSH
Miscellaneous
1 10 (15.38%) Analytical Skills
2 4 (6.15%) Data Structures
2 4 (6.15%) Reference Data
3 3 (4.62%) Management Information System
3 3 (4.62%) Mobile App
3 3 (4.62%) NHS
4 2 (3.08%) Computer Science
4 2 (3.08%) User Experience
5 1 (1.54%) Algorithms
5 1 (1.54%) Credit Risk
5 1 (1.54%) Market Risk
5 1 (1.54%) N-Tier
Operating Systems
1 1 (1.54%) Unix
Processes & Methodologies
1 21 (32.31%) Data Modelling
2 16 (24.62%) Business Intelligence
2 16 (24.62%) Migration
3 15 (23.08%) Data Migration
3 15 (23.08%) ETL
4 14 (21.54%) Data Analysis
5 13 (20.00%) Project Management
6 12 (18.46%) Agile Software Development
6 12 (18.46%) Data Management
7 11 (16.92%) Data Governance
8 10 (15.38%) Stakeholder Management
9 9 (13.85%) Analytics
10 8 (12.31%) Data Cleansing
10 8 (12.31%) Data Integration
11 7 (10.77%) Data Architecture
12 5 (7.69%) Business Analysis
12 5 (7.69%) E-Commerce
12 5 (7.69%) Master Data Management
12 5 (7.69%) Quality Management
13 4 (6.15%) Programme Management
Programming Languages
1 23 (35.38%) SQL
2 4 (6.15%) Java
2 4 (6.15%) T-SQL
3 3 (4.62%) JavaScript
3 3 (4.62%) PL/SQL
3 3 (4.62%) VBA
4 2 (3.08%) Python
5 1 (1.54%) Apex Code
5 1 (1.54%) R
5 1 (1.54%) Scala
5 1 (1.54%) VB
5 1 (1.54%) VBScript
Qualifications
1 5 (7.69%) Security Cleared
2 3 (4.62%) Degree
2 3 (4.62%) DV Cleared
3 1 (1.54%) ACCA
3 1 (1.54%) BPSS Clearance
3 1 (1.54%) CIMA
3 1 (1.54%) SC Cleared
Quality Assurance & Compliance
1 7 (10.77%) GDPR
2 6 (9.23%) QA
3 2 (3.08%) Solvency II
4 1 (1.54%) HL7
4 1 (1.54%) PMO
4 1 (1.54%) SLA
System Software
1 1 (1.54%) Virtual Machines
Systems Management
1 1 (1.54%) Puppet
Vendors
1 7 (10.77%) Microsoft
1 7 (10.77%) Oracle
2 6 (9.23%) SAP
3 4 (6.15%) Google
3 4 (6.15%) Informatica
3 4 (6.15%) Tableau
4 3 (4.62%) Adobe
5 2 (3.08%) Alteryx
5 2 (3.08%) Hyperion
5 2 (3.08%) IBM
5 2 (3.08%) Yardi
6 1 (1.54%) Cloudera
6 1 (1.54%) HP
6 1 (1.54%) MapR
6 1 (1.54%) MicroStrategy
6 1 (1.54%) Nuix
6 1 (1.54%) RapidMiner
6 1 (1.54%) Salesforce.com
6 1 (1.54%) Splunk
6 1 (1.54%) Sybase