Period
to 16 October 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 16 October 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
16 Oct 2018
Same period 2017 Same period 2016
Rank 260 227 241
Rank change year-on-year -33 +14 -33
Contract jobs citing Data Quality 466 535 488
As % of all contract IT jobs advertised in London 1.01% 1.19% 1.10%
As % of the Quality Assurance & Compliance category 9.59% 9.45% 9.81%
Number of daily rates quoted 345 350 342
London median daily rate £493 £475 £475
Median daily rate % change year-on-year +3.68% - +5.56%
10th Percentile £300 £325 £295
90th Percentile £645 £675 £668
England median daily rate £475 £463 £450
% change year-on-year +2.70% +2.78% -
Number of hourly rates quoted 4 5 9
London median hourly rate £22.44 £40.00 £17.50
Median hourly rate % change year-on-year -43.90% +128.57% -8.41%
10th Percentile £16.69 £20.35 £12.08
90th Percentile £31.66 £130.20 £27.90
England median hourly rate £21.50 £20.56 £13.50
% change year-on-year +4.56% +52.31% -27.03%

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 4,859 5,659 4,977
As % of all contract IT jobs advertised in London 10.52% 12.59% 11.20%
Number of daily rates quoted 3,439 4,090 3,504
London median daily rate £475 £480 £450
Median daily rate % change year-on-year -1.04% +6.67% -
10th Percentile £281 £306 £272
90th Percentile £650 £675 £638
England median daily rate £450 £450 £425
% change year-on-year - +5.88% +3.03%
Number of hourly rates quoted 73 65 63
London median hourly rate £25.00 £20.00 £17.50
Median hourly rate % change year-on-year +25.00% +14.29% -12.50%
10th Percentile £11.05 £12.20 £12.30
90th Percentile £57.50 £49.00 £44.35
England median hourly rate £22.30 £20.00 £22.50
% change year-on-year +11.50% -11.11% +4.41%

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 16 October 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 16 October 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 16 October 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 -17 98 £475 - 40
West London -19 27 £250 -38.46% 21
South London -21 27 £505 -14.04% 5
East London -19 17 £469 +4.17% 1
Data Quality
England

For the 6 months to 16 October 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.

1 205 (43.99%) SQL
2 139 (29.83%) Finance
3 105 (22.53%) Analytics
4 102 (21.89%) Data Warehouse
5 101 (21.67%) Data Modelling
6 99 (21.24%) Business Intelligence
7 96 (20.60%) Agile Software Development
8 88 (18.88%) Migration
9 86 (18.45%) Analytical Skills
10 85 (18.24%) ETL
11 80 (17.17%) Data Analysis
12 76 (16.31%) Data Governance
13 75 (16.09%) Hadoop
14 74 (15.88%) Big Data
15 71 (15.24%) Data Migration
16 67 (14.38%) SQL Server
17 63 (13.52%) Microsoft Excel
18 62 (13.30%) Data Management
19 55 (11.80%) Data Science
20 52 (11.16%) Data Integration
21 51 (10.94%) Banking
22 50 (10.73%) Problem-Solving
22 50 (10.73%) Apache Spark
23 48 (10.30%) Kafka
23 48 (10.30%) Microsoft
23 48 (10.30%) Data Architecture
24 47 (10.09%) Oracle
25 46 (9.87%) Master Data Management
26 45 (9.66%) SQL Server Integration Services
27 44 (9.44%) Apache Hive

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 50 (10.73%) Apache Spark
2 24 (5.15%) SharePoint
3 19 (4.08%) SAS
4 9 (1.93%) Apache
5 6 (1.29%) Apache Pig
5 6 (1.29%) Confluence
6 3 (0.64%) Elasticsearch
7 2 (0.43%) CMS
7 2 (0.43%) Luigi
7 2 (0.43%) Oracle Coherence
7 2 (0.43%) Tomcat
8 1 (0.21%) Drupal
8 1 (0.21%) IBM Domino
8 1 (0.21%) WebLogic
Applications
1 63 (13.52%) Microsoft Excel
2 14 (3.00%) Microsoft PowerPoint
3 9 (1.93%) MS Visio
4 7 (1.50%) Microsoft Office
5 1 (0.21%) Microsoft Project
5 1 (0.21%) Shockwave
5 1 (0.21%) SPSS
5 1 (0.21%) Stata
Business Applications
1 12 (2.58%) Dynamics CRM
2 4 (0.86%) Oracle Retail
2 4 (0.86%) SAP HR
3 3 (0.64%) Dynamics AX
3 3 (0.64%) Line 500
3 3 (0.64%) NetSuite
3 3 (0.64%) Sage X3
3 3 (0.64%) SAP S/4HANA
4 2 (0.43%) Raiser's Edge
4 2 (0.43%) Sage CRM
4 2 (0.43%) SAP HCM
4 2 (0.43%) Workday HCM
5 1 (0.21%) Cognos TM1
5 1 (0.21%) Infor CRM
5 1 (0.21%) Loan IQ
5 1 (0.21%) OPENContractor
5 1 (0.21%) SAP ERP
5 1 (0.21%) SAP Oil and Gas
5 1 (0.21%) Unica
5 1 (0.21%) Unit4 Business World
Cloud Services
1 34 (7.30%) Microsoft Azure
2 30 (6.44%) Amazon AWS
3 11 (2.36%) GitHub
4 10 (2.15%) Dynamics 365
4 10 (2.15%) IaaS
4 10 (2.15%) PaaS
5 8 (1.72%) SaaS
6 6 (1.29%) Amazon EMR
6 6 (1.29%) Amazon Kinesis
6 6 (1.29%) AWS Lambda
6 6 (1.29%) Cloud Computing
6 6 (1.29%) Serverless
7 5 (1.07%) Azure Data Factory
7 5 (1.07%) Google Cloud Platform
8 4 (0.86%) Google Analytics
9 3 (0.64%) G Suite
9 3 (0.64%) Google Tag Manager
9 3 (0.64%) iPaaS
9 3 (0.64%) Office 365
10 2 (0.43%) SuccessFactors
Communications & Networking
1 8 (1.72%) Kerberos
2 6 (1.29%) Firewall
2 6 (1.29%) VPN
3 5 (1.07%) HTTP
3 5 (1.07%) HTTPS
3 5 (1.07%) SSL
4 2 (0.43%) VLAN
5 1 (0.21%) FTP
5 1 (0.21%) SMS
Database & Business Intelligence
1 102 (21.89%) Data Warehouse
2 75 (16.09%) Hadoop
3 74 (15.88%) Big Data
4 67 (14.38%) SQL Server
5 45 (9.66%) SQL Server Integration Services
6 44 (9.44%) Apache Hive
7 36 (7.73%) Power BI
7 36 (7.73%) Relational Database
8 31 (6.65%) Enterprise Data Warehouse
9 29 (6.22%) OLAP
10 28 (6.01%) Star Schema
11 26 (5.58%) OLAP Cube
11 26 (5.58%) SQL Server Reporting Services
12 25 (5.36%) Adabas
13 23 (4.94%) NoSQL
14 16 (3.43%) HBase
15 15 (3.22%) SQL Server Analysis Services
16 14 (3.00%) Data Lake
16 14 (3.00%) Sqoop
17 13 (2.79%) QlikView
Development Applications
1 18 (3.86%) JIRA
2 10 (2.15%) Team Foundation Server
3 8 (1.72%) Git (software)
3 8 (1.72%) Visual Studio
4 6 (1.29%) Jenkins
4 6 (1.29%) Visual Studio Team System
5 5 (1.07%) ERwin
6 4 (0.86%) Cucumber
6 4 (0.86%) Selenium
6 4 (0.86%) Subversion
7 2 (0.43%) Gerrit
7 2 (0.43%) JBehave
8 1 (0.21%) Ant
8 1 (0.21%) Balsamiq Mockups
8 1 (0.21%) HP UFT
8 1 (0.21%) JMeter
8 1 (0.21%) Maven
8 1 (0.21%) MSTest
8 1 (0.21%) SoapUI
8 1 (0.21%) Toad
General
1 139 (29.83%) Finance
2 51 (10.94%) Banking
3 24 (5.15%) Retail
4 19 (4.08%) Marketing
5 16 (3.43%) Investment Banking
6 9 (1.93%) Legal
7 8 (1.72%) Financial Institution
7 8 (1.72%) Pharmaceutical
8 6 (1.29%) Front Office
8 6 (1.29%) Publishing
9 4 (0.86%) Law
10 3 (0.64%) Back Office
10 3 (0.64%) French Language
10 3 (0.64%) Games
10 3 (0.64%) Private Banking
10 3 (0.64%) Retail Banking
11 2 (0.43%) Advertising
12 1 (0.21%) Electronics
12 1 (0.21%) Manufacturing
12 1 (0.21%) Telecoms
Job Titles
1 151 (32.40%) Analyst
2 78 (16.74%) Data Analyst
3 65 (13.95%) Developer
4 49 (10.52%) Data Engineer
5 44 (9.44%) Architect
6 32 (6.87%) Hadoop Engineer
7 30 (6.44%) Consultant
8 29 (6.22%) Data Manager
9 27 (5.79%) Business Analyst
10 25 (5.36%) Project Manager
11 24 (5.15%) Data Architect
12 22 (4.72%) Big Data Engineer
13 20 (4.29%) Business Intelligence Analyst
14 18 (3.86%) Data Consultant
15 15 (3.22%) Data Migration Manager
15 15 (3.22%) Migration Manager
16 14 (3.00%) Data Quality Analyst
17 13 (2.79%) Data Migration Project Manager
17 13 (2.79%) Information Analyst
17 13 (2.79%) Migration Project Manager
Libraries, Frameworks & Software Standards
1 48 (10.30%) Kafka
2 31 (6.65%) XML
3 19 (4.08%) REST
4 18 (3.86%) HTML
5 16 (3.43%) CSS
6 13 (2.79%) .NET
7 12 (2.58%) Ajax
7 12 (2.58%) XHTML
8 9 (1.93%) LDAP
9 8 (1.72%) Web Services
10 7 (1.50%) Natural Language Processing
11 6 (1.29%) JSON
12 5 (1.07%) HTML5
12 5 (1.07%) OAuth
12 5 (1.07%) RESTful
12 5 (1.07%) SAML
12 5 (1.07%) SOAP
13 4 (0.86%) Gherkin
13 4 (0.86%) Middleware
13 4 (0.86%) Spring
Miscellaneous
1 86 (18.45%) Analytical Skills
2 31 (6.65%) Reference Data
3 29 (6.22%) Management Information System
4 16 (3.43%) Algorithms
4 16 (3.43%) Computer Science
5 14 (3.00%) Mainframe
5 14 (3.00%) NHS
6 12 (2.58%) CMDB
6 12 (2.58%) Data Structures
7 10 (2.15%) Data Centre
7 10 (2.15%) Fixed Income
8 9 (1.93%) Greenfield Project
9 8 (1.72%) Taxonomies
10 7 (1.50%) Credit Risk
10 7 (1.50%) Replication
11 6 (1.29%) Linked Data
11 6 (1.29%) Self-Motivation
12 5 (1.07%) Derivative
12 5 (1.07%) Virtual Team
13 4 (0.86%) Equities
Operating Systems
1 20 (4.29%) Linux
2 9 (1.93%) Unix
3 6 (1.29%) Windows
4 3 (0.64%) Windows Server
4 3 (0.64%) Windows Server 2012
Processes & Methodologies
1 105 (22.53%) Analytics
2 101 (21.67%) Data Modelling
3 99 (21.24%) Business Intelligence
4 96 (20.60%) Agile Software Development
5 88 (18.88%) Migration
6 85 (18.24%) ETL
7 80 (17.17%) Data Analysis
8 76 (16.31%) Data Governance
9 71 (15.24%) Data Migration
10 62 (13.30%) Data Management
11 55 (11.80%) Data Science
12 52 (11.16%) Data Integration
13 50 (10.73%) Problem-Solving
14 48 (10.30%) Data Architecture
15 46 (9.87%) Master Data Management
16 39 (8.37%) Project Management
16 39 (8.37%) Visualisation
17 38 (8.15%) Machine Learning
18 34 (7.30%) Data Mapping
19 32 (6.87%) Stakeholder Management
Programming Languages
1 205 (43.99%) SQL
2 42 (9.01%) Python
3 32 (6.87%) Java
4 25 (5.36%) R
5 23 (4.94%) JavaScript
6 19 (4.08%) C#
7 17 (3.65%) VBA
8 16 (3.43%) T-SQL
9 14 (3.00%) Natural
9 14 (3.00%) Scala
10 12 (2.58%) C++
10 12 (2.58%) MATLAB
11 9 (1.93%) PL/SQL
12 7 (1.50%) Bash Shell
13 6 (1.29%) Ruby
14 3 (0.64%) Apex Code
14 3 (0.64%) ES6
14 3 (0.64%) Perl
15 2 (0.43%) C
15 2 (0.43%) Java 8
Qualifications
1 37 (7.94%) Degree
2 34 (7.30%) Security Cleared
3 32 (6.87%) SC Cleared
4 12 (2.58%) ITIL Certification
5 7 (1.50%) Computer Science Degree
5 7 (1.50%) PhD
6 6 (1.29%) Six Sigma Black Belt
7 3 (0.64%) BPSS Clearance
8 2 (0.43%) CISM
8 2 (0.43%) CISSP
8 2 (0.43%) DV Cleared
9 1 (0.21%) CEH
9 1 (0.21%) DBS Check
9 1 (0.21%) ISEB
9 1 (0.21%) Master's Degree
9 1 (0.21%) Numerate Degree
9 1 (0.21%) PRINCE2 Certification
9 1 (0.21%) PRINCE2 Practitioner
9 1 (0.21%) TOGAF Certification
Quality Assurance & Compliance
1 28 (6.01%) QA
2 24 (5.15%) SLA
3 14 (3.00%) GDPR
4 5 (1.07%) ISO/IEC 27001
5 2 (0.43%) HL7
5 2 (0.43%) PMO
5 2 (0.43%) Solvency II
System Software
1 13 (2.79%) Apache Flume
2 8 (1.72%) HDFS
3 7 (1.50%) Active Directory
3 7 (1.50%) Virtual Machines
4 3 (0.64%) Docker
5 1 (0.21%) Cronacle
Systems Management
1 40 (8.58%) Oozie
2 10 (2.15%) Terraform
3 7 (1.50%) Single Sign-On
4 6 (1.29%) Hadoop YARN
5 5 (1.07%) Ambari
5 5 (1.07%) Ansible
6 4 (0.86%) Consul
6 4 (0.86%) Packer
7 2 (0.43%) Failover Clustering
7 2 (0.43%) Forefront Identity Manager
7 2 (0.43%) Kubernetes
7 2 (0.43%) Microsoft Clustering
8 1 (0.21%) Control-M
8 1 (0.21%) Grafana
8 1 (0.21%) HP Quality Center
8 1 (0.21%) Kibana
8 1 (0.21%) logstash
Vendors
1 48 (10.30%) Microsoft
2 47 (10.09%) Oracle
3 30 (6.44%) SAP
4 27 (5.79%) Tableau
5 19 (4.08%) Talend
6 14 (3.00%) Software AG
7 13 (2.79%) Google
7 13 (2.79%) Hortonworks
8 12 (2.58%) Alteryx
8 12 (2.58%) ServiceNow
9 11 (2.36%) Ab Initio
9 11 (2.36%) Informatica
10 10 (2.15%) Remedy
11 9 (1.93%) Salesforce.com
12 8 (1.72%) Cognos
12 8 (1.72%) Teradata
13 7 (1.50%) Adobe
13 7 (1.50%) IBM
14 6 (1.29%) Cloudera
15 5 (1.07%) Splunk