Period
to 25 May 2018

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 25 May 2018 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
25 May 2018
Same period 2017 Same period 2016
Rank 221 239 199
Rank change year-on-year +18 -40 +19
Contract jobs citing Data Quality 551 427 571
As % of all contract IT jobs advertised in London 1.20% 1.08% 1.32%
As % of the Quality Assurance & Compliance category 9.71% 9.12% 11.88%
Number of daily rates quoted 382 274 404
London median daily rate £524 £456 £450
Median daily rate % change year-on-year +14.79% +1.39% -
10th Percentile £325 £301 £263
90th Percentile £688 £638 £625
England median daily rate £488 £450 £425
% change year-on-year +8.33% +5.88% -
Number of hourly rates quoted 2 4 10
London median hourly rate £29.03 £28.67 £20.00
Median hourly rate % change year-on-year +1.24% +43.35% +4.28%
10th Percentile £17.67 £20.48 £9.39
90th Percentile £40.98 £34.00 £26.84
England median hourly rate £22.50 £18.00 £16.00
% change year-on-year +25.00% +12.50% -28.89%

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 5,676 4,683 4,806
As % of all contract IT jobs advertised in London 12.35% 11.85% 11.08%
Number of daily rates quoted 3,985 3,287 3,385
London median daily rate £500 £488 £450
Median daily rate % change year-on-year +2.56% +8.33% +2.86%
10th Percentile £305 £300 £263
90th Percentile £675 £675 £638
England median daily rate £450 £450 £410
% change year-on-year - +9.76% +2.50%
Number of hourly rates quoted 86 66 59
London median hourly rate £23.25 £21.25 £22.00
Median hourly rate % change year-on-year +9.41% -3.41% +10.00%
10th Percentile £13.50 £12.88 £13.05
90th Percentile £52.50 £50.00 £41.60
England median hourly rate £22.50 £20.50 £23.50
% change year-on-year +9.76% -12.77% +17.50%

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 25 May 2018.

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 25 May 2018.

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 25 May 2018. 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 -36 91 £550 +13.11% 23
South London -24 26 £590 +18.00% 5
West London -34 15 £275 -2.65% 16
East London -16 9 £438 +9.38% 2
Data Quality
England

For the 6 months to 25 May 2018, IT contractor jobs citing Data Quality also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for Data Quality.

1 224 (40.65%) SQL
2 198 (35.93%) Finance
3 192 (34.85%) Data Modelling
4 181 (32.85%) Analytics
5 147 (26.68%) Big Data
6 145 (26.32%) Data Warehouse
7 115 (20.87%) ETL
7 115 (20.87%) Analytical Skills
8 112 (20.33%) Data Governance
9 103 (18.69%) Business Intelligence
9 103 (18.69%) Agile Software Development
10 102 (18.51%) Migration
11 98 (17.79%) Hadoop
12 94 (17.06%) Data Management
13 87 (15.79%) Kafka
13 87 (15.79%) Apache Spark
14 84 (15.25%) Python
15 83 (15.06%) Data Migration
15 83 (15.06%) Data Science
16 82 (14.88%) Data Architecture
17 77 (13.97%) Data Analysis
17 77 (13.97%) SQL Server
18 72 (13.07%) Machine Learning
19 68 (12.34%) Apache Hive
19 68 (12.34%) Data Integration
20 66 (11.98%) Oracle
21 65 (11.80%) Visualisation
21 65 (11.80%) Banking
22 61 (11.07%) Star Schema
23 60 (10.89%) Microsoft Excel

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 87 (15.79%) Apache Spark
2 35 (6.35%) Apache
3 31 (5.63%) SAS
4 30 (5.44%) SharePoint
5 9 (1.63%) Elasticsearch
6 8 (1.45%) Apache Airflow
7 7 (1.27%) Apache Pig
8 4 (0.73%) Confluence
9 3 (0.54%) CMS
10 2 (0.36%) Oracle Coherence
10 2 (0.36%) Tomcat
11 1 (0.18%) Adobe Experience Manager
11 1 (0.18%) Jupyter
11 1 (0.18%) Luigi
11 1 (0.18%) WordPress
Applications
1 60 (10.89%) Microsoft Excel
2 19 (3.45%) Microsoft Office
3 18 (3.27%) Microsoft PowerPoint
4 15 (2.72%) MS Visio
5 5 (0.91%) SPSS
6 2 (0.36%) Spreadsheet
7 1 (0.18%) Blender
7 1 (0.18%) Shockwave
Business Applications
1 8 (1.45%) Dynamics CRM
1 8 (1.45%) Markit EDM
2 5 (0.91%) HFM
2 5 (0.91%) SAP R/3
2 5 (0.91%) SAP SD
3 4 (0.73%) Line 500
3 4 (0.73%) Sage X3
3 4 (0.73%) SAP HR
4 3 (0.54%) Maximo
5 2 (0.36%) Oracle EBS
5 2 (0.36%) Oracle Procure-to-Pay
5 2 (0.36%) Sage CRM
5 2 (0.36%) WebTrends
5 2 (0.36%) Workday HCM
6 1 (0.18%) Eloqua
6 1 (0.18%) PeopleSoft HCM
6 1 (0.18%) Revive Adserver
6 1 (0.18%) SAP MDG
6 1 (0.18%) SAP S/4HANA
6 1 (0.18%) SystmOne
Cloud Services
1 54 (9.80%) Amazon AWS
2 17 (3.09%) Microsoft Azure
3 11 (2.00%) SaaS
4 10 (1.81%) Google Cloud Platform
5 9 (1.63%) Amazon S3
5 9 (1.63%) G Suite
6 8 (1.45%) Amazon EMR
6 8 (1.45%) Amazon Kinesis
6 8 (1.45%) AWS Lambda
6 8 (1.45%) Google Analytics
6 8 (1.45%) Serverless
7 5 (0.91%) Adobe Analytics
7 5 (0.91%) IaaS
7 5 (0.91%) PaaS
8 4 (0.73%) Bluemix
8 4 (0.73%) Dynamics 365
8 4 (0.73%) IBM Cloud
8 4 (0.73%) iPaaS
9 3 (0.54%) GitHub
9 3 (0.54%) Google Tag Manager
Communications & Networking
1 10 (1.81%) SMS
2 7 (1.27%) Intranet
3 5 (0.91%) VLAN
4 3 (0.54%) FTP
5 2 (0.36%) Internet
5 2 (0.36%) Junos
6 1 (0.18%) Firewall
6 1 (0.18%) Intrusion Detection
6 1 (0.18%) Kerberos
6 1 (0.18%) WAN
Database & Business Intelligence
1 147 (26.68%) Big Data
2 145 (26.32%) Data Warehouse
3 98 (17.79%) Hadoop
4 77 (13.97%) SQL Server
5 68 (12.34%) Apache Hive
6 61 (11.07%) Star Schema
7 60 (10.89%) Relational Database
8 53 (9.62%) Enterprise Data Warehouse
8 53 (9.62%) OLAP
9 50 (9.07%) OLAP Cube
10 41 (7.44%) SQL Server Integration Services
11 37 (6.72%) NoSQL
12 25 (4.54%) Power BI
12 25 (4.54%) QlikView
13 21 (3.81%) HBase
13 21 (3.81%) RDBMS
14 17 (3.09%) PostgreSQL
15 16 (2.90%) Amazon Redshift
15 16 (2.90%) MySQL
15 16 (2.90%) Pentaho
Development Applications
1 19 (3.45%) Git (software)
2 15 (2.72%) Jenkins
3 10 (1.81%) JIRA
3 10 (1.81%) PowerDesigner
3 10 (1.81%) Visual Studio
3 10 (1.81%) Visual Studio Team System
4 8 (1.45%) ERwin
5 4 (0.73%) Subversion
5 4 (0.73%) Team Foundation Server
5 4 (0.73%) VSS/SourceSafe
6 3 (0.54%) Toad
7 2 (0.36%) Cucumber
7 2 (0.36%) ER Studio
7 2 (0.36%) Hudson
7 2 (0.36%) Selenium
7 2 (0.36%) XMLSpy
8 1 (0.18%) Bundler
8 1 (0.18%) GitLab
8 1 (0.18%) SoapUI
8 1 (0.18%) SpecFlow
General
1 198 (35.93%) Finance
2 65 (11.80%) Banking
3 20 (3.63%) Marketing
4 18 (3.27%) Retail
5 17 (3.09%) Law
6 14 (2.54%) Legal
7 12 (2.18%) Publishing
8 10 (1.81%) Investment Banking
8 10 (1.81%) Pharmaceutical
9 9 (1.63%) Manufacturing
10 8 (1.45%) Retail Banking
11 6 (1.09%) Front Office
12 5 (0.91%) Financial Institution
12 5 (0.91%) Private Banking
13 4 (0.73%) Telecoms
14 3 (0.54%) Advertising
14 3 (0.54%) Billing
14 3 (0.54%) Games
14 3 (0.54%) German Language
15 2 (0.36%) Multimedia
Job Titles
1 153 (27.77%) Analyst
2 98 (17.79%) Architect
3 97 (17.60%) Data Analyst
4 96 (17.42%) Developer
5 92 (16.70%) Data Engineer
6 58 (10.53%) Data Architect
7 54 (9.80%) Hadoop Engineer
8 33 (5.99%) Data Manager
9 30 (5.44%) Big Data Engineer
10 29 (5.26%) Solutions Architect
11 26 (4.72%) Project Manager
12 22 (3.99%) Business Analyst
12 22 (3.99%) Business Intelligence Analyst
13 21 (3.81%) Consultant
14 20 (3.63%) Data Quality Analyst
15 19 (3.45%) SQL Developer
16 18 (3.27%) SQL Analyst
17 16 (2.90%) Analyst Developer
18 15 (2.72%) Quality Analyst
19 14 (2.54%) Migration Project Manager
Libraries, Frameworks & Software Standards
1 87 (15.79%) Kafka
2 36 (6.53%) REST
3 35 (6.35%) XML
4 29 (5.26%) HTML
5 23 (4.17%) HTML5
6 17 (3.09%) JSON
7 15 (2.72%) .NET
8 12 (2.18%) CSS
9 10 (1.81%) SOAP
10 8 (1.45%) JMS
10 8 (1.45%) Natural Language Processing
10 8 (1.45%) Web Services
11 7 (1.27%) RESTful
12 6 (1.09%) React
13 5 (0.91%) Ajax
13 5 (0.91%) AngularJS
13 5 (0.91%) IBM Integration Bus
13 5 (0.91%) jQuery
13 5 (0.91%) Visualforce
13 5 (0.91%) XML Schema
Miscellaneous
1 115 (20.87%) Analytical Skills
2 41 (7.44%) Reference Data
3 31 (5.63%) Management Information System
4 30 (5.44%) Computer Science
5 24 (4.36%) Data Structures
6 19 (3.45%) Credit Risk
6 19 (3.45%) Hedge funds
7 18 (3.27%) NHS
8 15 (2.72%) Self-Motivation
9 14 (2.54%) Mainframe
10 11 (2.00%) User Experience
11 10 (1.81%) Taxonomies
12 9 (1.63%) Derivative
13 6 (1.09%) Greenfield Project
13 6 (1.09%) Market Risk
14 5 (0.91%) CMDB
14 5 (0.91%) Equity Derivative
14 5 (0.91%) Equity Risk
15 4 (0.73%) Replication
15 4 (0.73%) Video Conferencing
Operating Systems
1 27 (4.90%) Linux
2 10 (1.81%) Windows
3 7 (1.27%) Unix
4 5 (0.91%) Windows Server
5 1 (0.18%) Android
5 1 (0.18%) Apple iOS
Processes & Methodologies
1 192 (34.85%) Data Modelling
2 181 (32.85%) Analytics
3 115 (20.87%) ETL
4 112 (20.33%) Data Governance
5 103 (18.69%) Agile Software Development
5 103 (18.69%) Business Intelligence
6 102 (18.51%) Migration
7 94 (17.06%) Data Management
8 83 (15.06%) Data Migration
8 83 (15.06%) Data Science
9 82 (14.88%) Data Architecture
10 77 (13.97%) Data Analysis
11 72 (13.07%) Machine Learning
12 68 (12.34%) Data Integration
13 65 (11.80%) Visualisation
14 59 (10.71%) Problem-Solving
15 48 (8.71%) SQL Optimisation
16 45 (8.17%) Stakeholder Management
17 42 (7.62%) Data Visualisation
18 40 (7.26%) Master Data Management
Programming Languages
1 224 (40.65%) SQL
2 84 (15.25%) Python
3 56 (10.16%) Java
4 31 (5.63%) C#
5 30 (5.44%) R
6 25 (4.54%) VBA
7 22 (3.99%) Scala
8 21 (3.81%) JavaScript
8 21 (3.81%) PL/SQL
9 16 (2.90%) T-SQL
10 14 (2.54%) Natural
11 10 (1.81%) C
11 10 (1.81%) C++
12 9 (1.63%) Perl
13 7 (1.27%) Bash Shell
14 5 (0.91%) Apex Code
14 5 (0.91%) Shell Script
15 4 (0.73%) ES6
15 4 (0.73%) Go
16 3 (0.54%) VB.NET
Qualifications
1 58 (10.53%) Security Cleared
2 54 (9.80%) Degree
3 41 (7.44%) SC Cleared
4 18 (3.27%) Computer Science Degree
5 11 (2.00%) DV Cleared
6 9 (1.63%) BPSS Clearance
7 7 (1.27%) PhD
8 5 (0.91%) ITIL Certification
9 4 (0.73%) DBS Check
10 2 (0.36%) PRINCE2 Certification
11 1 (0.18%) CTC Cleared
11 1 (0.18%) Master's Degree
11 1 (0.18%) SAFe Agilist
Quality Assurance & Compliance
1 23 (4.17%) GDPR
2 17 (3.09%) QA
3 12 (2.18%) SLA
4 6 (1.09%) Basel II
4 6 (1.09%) IFRS
5 5 (0.91%) PMO
5 5 (0.91%) Solvency II
6 4 (0.73%) Disclosure Scotland
6 4 (0.73%) HL7
7 3 (0.54%) IFRS 9
7 3 (0.54%) PCI DSS
8 2 (0.36%) ISO 20022
8 2 (0.36%) Sarbanes-Oxley
9 1 (0.18%) MiFID
9 1 (0.18%) PSD2
9 1 (0.18%) SEPA
System Software
1 8 (1.45%) Apache Flume
2 5 (0.91%) Virtual Machines
3 3 (0.54%) Docker
4 2 (0.36%) Active Directory
4 2 (0.36%) HDFS
5 1 (0.18%) Oracle RAC
Systems Management
1 56 (10.16%) Oozie
2 8 (1.45%) Terraform
3 7 (1.27%) Consul
3 7 (1.27%) Packer
4 2 (0.36%) Ansible
4 2 (0.36%) Kibana
5 1 (0.18%) ArcSight ESM
5 1 (0.18%) Grafana
Vendors
1 66 (11.98%) Oracle
2 47 (8.53%) Microsoft
3 42 (7.62%) Informatica
4 39 (7.08%) Tableau
5 35 (6.35%) SAP
6 26 (4.72%) Talend
7 25 (4.54%) Google
8 22 (3.99%) IBM
9 16 (2.90%) Teradata
10 14 (2.54%) Software AG
11 11 (2.00%) Hortonworks
12 10 (1.81%) Cloudera
12 10 (1.81%) MicroStrategy
12 10 (1.81%) Salesforce.com
12 10 (1.81%) ServiceNow
13 8 (1.45%) Alteryx
14 7 (1.27%) Cognos
15 5 (0.91%) Adobe
15 5 (0.91%) Hyperion
15 5 (0.91%) Sybase