Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in 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 21 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
England > London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 226 221 208
Rank change year-on-year -5 -13 -12
Contract jobs citing Data Quality 545 504 580
As % of all contract IT jobs advertised in London 1.16% 1.12% 1.25%
As % of the Quality Assurance & Compliance category 8.88% 9.91% 10.57%
Number of daily rates quoted 345 349 409
London median daily rate £480 £475 £450
Median daily rate % change year-on-year +1.05% +5.56% -
10th Percentile £325 £295 £223
90th Percentile £675 £670 £638
England median daily rate £465 £450 £450
% change year-on-year +3.33% - +5.88%
Number of hourly rates quoted 5 7 6
London median hourly rate £60.00 £20.00 £19.11
Median hourly rate % change year-on-year +200.00% +4.67% -30.52%
10th Percentile £29.20 £11.91 £11.80
90th Percentile £133.20 £36.85 £51.20
England median hourly rate £20.56 £13.50 £19.50
% change year-on-year +52.31% -30.77% +8.33%

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 London with a requirement for quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
London
Contract vacancies with a requirement for quality assurance or compliance skills 6137 5086 5489
As % of all contract IT jobs advertised in London 13.04% 11.32% 11.79%
Number of daily rates quoted 4382 3562 3810
London median daily rate £475 £458 £450
Median daily rate % change year-on-year +3.83% +1.67% +5.88%
10th Percentile £300 £271 £258
90th Percentile £675 £644 £625
England median daily rate £450 £425 £413
% change year-on-year +5.88% +3.03% +3.13%
Number of hourly rates quoted 75 65 65
London median hourly rate £20.00 £20.00 £21.50
Median hourly rate % change year-on-year - -6.98% +13.16%
10th Percentile £12.21 £12.35 £13.50
90th Percentile £48.80 £62.94 £72.75
England median hourly rate £20.00 £22.67 £21.64
% change year-on-year -11.77% +4.75% +10.97%

Data Quality
Job Vacancy Trend in London

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

Job vacancy trend for Data Quality in London

Data Quality
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Data Quality in London

Data Quality
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Data Quality in London over the 6 months to 21 November 2017.

Contractor daily rate histogram for Data Quality in London

Data Quality
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Data Quality in London

Data Quality
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Data Quality in London over the 6 months to 21 November 2017.

Contractor hourly rate histogram for Data Quality in London

Data Quality
Contract Job Locations in London

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 London region over the 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -26 82 £475 - 9
West London -12 29 £419 +8.06% 5
South London -12 21 £588 +23.68%
East London +9 17 £450 -13.46% 1
Data Quality
England

For the 6 months to 21 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 London region with a requirement for Data Quality.

1 225 (41.28%) SQL
2 176 (32.29%) Data Modelling
3 141 (25.87%) Agile Software Development
4 131 (24.04%) ETL
5 127 (23.30%) Finance
6 119 (21.83%) Analytics
7 115 (21.10%) Business Intelligence
8 109 (20.00%) Data Management
9 108 (19.82%) Migration
10 96 (17.61%) Data Analysis
11 95 (17.43%) Data Warehouse
11 95 (17.43%) Analytical Skills
12 93 (17.06%) Big Data
12 93 (17.06%) Data Migration
13 88 (16.15%) Security Cleared
14 86 (15.78%) Oracle
15 80 (14.68%) Relational Database
16 79 (14.50%) Microsoft Excel
17 76 (13.94%) Data Cleansing
18 73 (13.39%) SQL Server
19 67 (12.29%) Data Governance
20 66 (12.11%) Banking
21 61 (11.19%) Data Integration
22 60 (11.01%) XML
23 54 (9.91%) Data Architecture
24 52 (9.54%) Hadoop
25 51 (9.36%) Project Management
26 50 (9.17%) SC Cleared
27 46 (8.44%) Stakeholder Management
28 45 (8.26%) Microsoft

Data Quality
Co-occurring IT Skills in 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 26 (4.77%) SAS
2 20 (3.67%) Apache Spark
3 19 (3.49%) Apache
4 7 (1.28%) SharePoint
5 5 (0.92%) Apache Pig
6 4 (0.73%) Confluence
7 3 (0.55%) CMS
8 2 (0.37%) IBM Notes
8 2 (0.37%) Oracle Workflow
8 2 (0.37%) WebSphere
9 1 (0.18%) Oracle SOA Suite
Applications
1 79 (14.50%) Microsoft Excel
2 31 (5.69%) Microsoft PowerPoint
3 15 (2.75%) MS Visio
4 12 (2.20%) Microsoft Office
5 5 (0.92%) Spreadsheet
5 5 (0.92%) SPSS
6 2 (0.37%) InfoPath
6 2 (0.37%) Stata
7 1 (0.18%) EngageOne
Business Applications
1 7 (1.28%) Dynamics CRM
1 7 (1.28%) Markit EDM
2 6 (1.10%) Unit4 Business World
3 4 (0.73%) Dynamics NAV
4 3 (0.55%) PeopleSoft HRMS
5 2 (0.37%) Bloomberg TOMS
5 2 (0.37%) Dynamics AX
5 2 (0.37%) Eagle PACE
5 2 (0.37%) HFM
5 2 (0.37%) Oracle TCA
5 2 (0.37%) SAP CO
5 2 (0.37%) SAP FI
5 2 (0.37%) SAP FI/CO
5 2 (0.37%) SAP MDM
5 2 (0.37%) SAP MRS
5 2 (0.37%) SAP PM
5 2 (0.37%) SAP PS
5 2 (0.37%) SAP Travel Management
5 2 (0.37%) SystmOne
6 1 (0.18%) Relativity
Cloud Services
1 24 (4.40%) Amazon AWS
2 10 (1.83%) Microsoft Azure
3 9 (1.65%) Google Analytics
4 6 (1.10%) Adobe Analytics
5 5 (0.92%) GitHub
6 3 (0.55%) Dynamics 365
6 3 (0.55%) Google Cloud Platform
6 3 (0.55%) SaaS
6 3 (0.55%) Trello
7 2 (0.37%) Office 365
7 2 (0.37%) Salesforce Sales Cloud
8 1 (0.18%) Cloud Computing
8 1 (0.18%) Cortana Intelligence Suite
8 1 (0.18%) IaaS
8 1 (0.18%) SuccessFactors
Communications & Networking
1 11 (2.02%) SMS
2 5 (0.92%) GSM
3 4 (0.73%) Internet
3 4 (0.73%) VLAN
4 1 (0.18%) FTP
4 1 (0.18%) Intranet
4 1 (0.18%) Kerberos
4 1 (0.18%) Network Security
4 1 (0.18%) Radio Access Network
4 1 (0.18%) Skype
4 1 (0.18%) TCP/IP
Database & Business Intelligence
1 95 (17.43%) Data Warehouse
2 93 (17.06%) Big Data
3 80 (14.68%) Relational Database
4 73 (13.39%) SQL Server
5 52 (9.54%) Hadoop
6 31 (5.69%) QlikView
7 29 (5.32%) HBase
7 29 (5.32%) SQL Server Integration Services
8 25 (4.59%) PostgreSQL
9 23 (4.22%) NoSQL
10 22 (4.04%) Oracle Database
11 19 (3.49%) BusinessObjects
12 18 (3.30%) RDBMS
12 18 (3.30%) SQL Server Reporting Services
13 16 (2.94%) MongoDB
13 16 (2.94%) Star Schema
14 15 (2.75%) SAS Enterprise Guide
15 14 (2.57%) MS Access
15 14 (2.57%) SQL Server Analysis Services
16 12 (2.20%) Apache Hive
Development Applications
1 17 (3.12%) ERwin
2 16 (2.94%) JIRA
3 13 (2.39%) Talend Open Studio
4 8 (1.47%) PowerDesigner
5 7 (1.28%) Team Foundation Server
6 6 (1.10%) Visual Studio
7 4 (0.73%) Git (software)
7 4 (0.73%) Rational Rhapsody
8 3 (0.55%) HP UFT
9 2 (0.37%) Eclipse
9 2 (0.37%) Jenkins
10 1 (0.18%) Cucumber
10 1 (0.18%) GitLab
10 1 (0.18%) LoadRunner
10 1 (0.18%) Oracle Forms
10 1 (0.18%) SQL Server Management Studio (SSMS)
10 1 (0.18%) Vagrant
General
1 127 (23.30%) Finance
2 66 (12.11%) Banking
3 32 (5.87%) Marketing
4 25 (4.59%) Legal
5 20 (3.67%) Retail
6 19 (3.49%) Telecoms
7 17 (3.12%) Investment Banking
7 17 (3.12%) Pharmaceutical
8 15 (2.75%) Front Office
9 12 (2.20%) Electronics
9 12 (2.20%) Manufacturing
10 10 (1.83%) French Language
11 8 (1.47%) Financial Institution
11 8 (1.47%) Retail Banking
12 5 (0.92%) Back Office
12 5 (0.92%) Publishing
13 3 (0.55%) Law
13 3 (0.55%) Local Government
13 3 (0.55%) Private Banking
14 2 (0.37%) Billing
Job Titles
1 185 (33.94%) Analyst
2 93 (17.06%) Data Analyst
3 89 (16.33%) Architect
4 83 (15.23%) Developer
5 62 (11.38%) Business Analyst
6 60 (11.01%) Data Architect
7 40 (7.34%) Consultant
8 27 (4.95%) Data Engineer
9 20 (3.67%) Solutions Architect
10 19 (3.49%) Data Quality Analyst
10 19 (3.49%) DBA
10 19 (3.49%) SQL Developer
11 18 (3.30%) Data Business Analyst
12 17 (3.12%) Oracle Developer
12 17 (3.12%) Project Manager
13 16 (2.94%) Enterprise Architect
13 16 (2.94%) Oracle DBA
14 15 (2.75%) Quality Analyst
14 15 (2.75%) Senior Architect
15 14 (2.57%) Data Scientist
Libraries, Frameworks & Software Standards
1 60 (11.01%) XML
2 36 (6.61%) JSON
3 29 (5.32%) REST
4 21 (3.85%) Kafka
5 19 (3.49%) JMS
6 10 (1.83%) .NET
7 9 (1.65%) EDI
8 7 (1.28%) MDX
8 7 (1.28%) RESTful
9 6 (1.10%) Web Services
10 5 (0.92%) IBM Integration Bus
10 5 (0.92%) Pandas
10 5 (0.92%) scikit-learn
11 4 (0.73%) COM
11 4 (0.73%) J2EE
11 4 (0.73%) Mason
11 4 (0.73%) Node.js
11 4 (0.73%) SOAP
11 4 (0.73%) Visualforce
12 3 (0.55%) ASP.NET
Miscellaneous
1 95 (17.43%) Analytical Skills
2 44 (8.07%) Data Structures
3 36 (6.61%) Management Information System
4 29 (5.32%) Reference Data
5 14 (2.57%) NHS
6 12 (2.20%) Algorithms
6 12 (2.20%) Enterprise Software
7 11 (2.02%) Computer Science
7 11 (2.02%) Credit Risk
7 11 (2.02%) Data Protection Act
8 10 (1.83%) Fixed Income
8 10 (1.83%) User Experience
9 9 (1.65%) Derivative
9 9 (1.65%) Market Risk
10 8 (1.47%) Taxonomies
11 5 (0.92%) FMCG
11 5 (0.92%) Greenfield Project
11 5 (0.92%) Life Science
11 5 (0.92%) OTC Derivatives
12 4 (0.73%) Virtual Team
Operating Systems
1 25 (4.59%) Linux
2 17 (3.12%) Windows
3 7 (1.28%) Unix
4 1 (0.18%) Windows Server
Processes & Methodologies
1 176 (32.29%) Data Modelling
2 141 (25.87%) Agile Software Development
3 131 (24.04%) ETL
4 119 (21.83%) Analytics
5 115 (21.10%) Business Intelligence
6 109 (20.00%) Data Management
7 108 (19.82%) Migration
8 96 (17.61%) Data Analysis
9 93 (17.06%) Data Migration
10 76 (13.94%) Data Cleansing
11 67 (12.29%) Data Governance
12 61 (11.19%) Data Integration
13 54 (9.91%) Data Architecture
14 51 (9.36%) Project Management
15 46 (8.44%) Stakeholder Management
16 43 (7.89%) Data Transformation
17 42 (7.71%) Validation
18 41 (7.52%) Business Analysis
19 40 (7.34%) Coaching
20 39 (7.16%) Data Analytics
Programming Languages
1 225 (41.28%) SQL
2 37 (6.79%) Java
3 36 (6.61%) PL/SQL
4 23 (4.22%) Python
5 20 (3.67%) T-SQL
6 19 (3.49%) VBA
7 15 (2.75%) VBScript
8 14 (2.57%) AWK
8 14 (2.57%) PowerShell
8 14 (2.57%) SAS Macro
8 14 (2.57%) sed
9 11 (2.02%) R
10 8 (1.47%) Scala
11 5 (0.92%) Apex Code
11 5 (0.92%) VB
12 3 (0.55%) C
12 3 (0.55%) C#
12 3 (0.55%) JavaScript
12 3 (0.55%) Shell Script
13 2 (0.37%) C++
Qualifications
1 88 (16.15%) Security Cleared
2 50 (9.17%) SC Cleared
3 42 (7.71%) Degree
4 35 (6.42%) DV Cleared
5 13 (2.39%) ISEB
6 5 (0.92%) Computer Science Degree
7 4 (0.73%) CTC Cleared
8 3 (0.55%) ISTQB
8 3 (0.55%) Master's Degree
9 2 (0.37%) BPSS Clearance
9 2 (0.37%) ISTQB Foundation Certification
9 2 (0.37%) PhD
10 1 (0.18%) ACCA
10 1 (0.18%) CBAP
10 1 (0.18%) CIMA
10 1 (0.18%) IIBA
10 1 (0.18%) MBA
10 1 (0.18%) PMI Certification
10 1 (0.18%) PMP
Quality Assurance & Compliance
1 35 (6.42%) GDPR
2 21 (3.85%) QA
3 9 (1.65%) MiFID
3 9 (1.65%) PMO
4 5 (0.92%) Basel II
5 4 (0.73%) IFRS
5 4 (0.73%) IFRS 9
5 4 (0.73%) Solvency II
6 2 (0.37%) Disclosure Scotland
6 2 (0.37%) Dodd-Frank
6 2 (0.37%) PCI DSS
6 2 (0.37%) Sarbanes-Oxley
6 2 (0.37%) SLA
7 1 (0.18%) CRD IV
7 1 (0.18%) FINREP
7 1 (0.18%) Government Security Classifications
7 1 (0.18%) HL7
7 1 (0.18%) HMG Security Policy Framework
7 1 (0.18%) ISO 20022
7 1 (0.18%) WCAG
System Software
1 17 (3.12%) Oracle Clusterware
1 17 (3.12%) Oracle RAC
2 7 (1.28%) Docker
3 4 (0.73%) Virtual Machines
4 3 (0.55%) HDFS
5 2 (0.37%) Apache Flume
6 1 (0.18%) OpenAM
6 1 (0.18%) OpenDJ
Systems Management
1 17 (3.12%) Data Guard
1 17 (3.12%) Oracle Flashback
1 17 (3.12%) Oracle RMAN
2 7 (1.28%) Kubernetes
3 4 (0.73%) Terraform
4 2 (0.37%) Oracle EDQ
5 1 (0.18%) Oozie
5 1 (0.18%) Puppet
Vendors
1 86 (15.78%) Oracle
2 45 (8.26%) Microsoft
3 42 (7.71%) SAP
4 36 (6.61%) Tableau
5 33 (6.06%) Informatica
6 22 (4.04%) IBM
6 22 (4.04%) Salesforce.com
7 21 (3.85%) Greenplum
8 13 (2.39%) MapR
8 13 (2.39%) Talend
9 11 (2.02%) Google
9 11 (2.02%) Teradata
10 9 (1.65%) Cloudera
10 9 (1.65%) Sybase
11 8 (1.47%) Bloomberg
12 7 (1.28%) Ab Initio
12 7 (1.28%) Progress
13 6 (1.10%) Adobe
13 6 (1.10%) Splunk
13 6 (1.10%) Yardi