Period
to 9 December 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 9 December 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
9 Dec 2018
Same period 2017 Same period 2016
Rank 273 239 245
Rank change year-on-year -34 +6 -32
Contract jobs citing Data Quality 441 535 489
As % of all contract IT jobs advertised in London 0.95% 1.14% 1.09%
As % of the Quality Assurance & Compliance category 9.40% 8.79% 9.60%
Number of daily rates quoted 329 341 337
London median daily rate £475 £480 £463
Median daily rate % change year-on-year -1.04% +3.78% +2.78%
10th Percentile £259 £325 £293
90th Percentile £625 £675 £663
England median daily rate £475 £460 £450
% change year-on-year +3.37% +2.11% -
Number of hourly rates quoted 2 5 7
London median hourly rate £22.44 £60.00 £20.00
Median hourly rate % change year-on-year -62.60% +200.00% +16.72%
10th Percentile £20.84 £29.20 £11.91
90th Percentile £23.64 £133.20 £32.65
England median hourly rate £20.25 £20.56 £13.50
% change year-on-year -1.54% +52.31% -30.77%

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 4,689 6,086 5,094
As % of all contract IT jobs advertised in London 10.06% 12.91% 11.39%
Number of daily rates quoted 3,278 4,369 3,550
London median daily rate £475 £480 £450
Median daily rate % change year-on-year -1.04% +6.67% -
10th Percentile £275 £300 £275
90th Percentile £663 £675 £650
England median daily rate £450 £450 £425
% change year-on-year - +5.88% +3.03%
Number of hourly rates quoted 70 76 71
London median hourly rate £26.50 £20.00 £20.00
Median hourly rate % change year-on-year +32.50% - -9.09%
10th Percentile £10.98 £12.00 £12.15
90th Percentile £57.50 £52.25 £50.00
England median hourly rate £20.16 £20.55 £22.50
% change year-on-year -1.92% -8.67% +2.27%

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 9 December 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
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 9 December 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 +7 104 £513 +7.89% 28
West London +6 31 £233 -44.48% 18
South London -30 15 £485 -0.51% 5
East London -25 14 £500 +11.11% 5
Data Quality
England

For the 6 months to 9 December 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.

1 212 (48.07%) SQL
2 137 (31.07%) Finance
3 106 (24.04%) Data Modelling
3 106 (24.04%) Business Intelligence
4 94 (21.32%) Agile Software Development
4 94 (21.32%) Analytical Skills
5 93 (21.09%) Data Warehouse
6 90 (20.41%) ETL
7 89 (20.18%) Analytics
8 81 (18.37%) Data Analysis
9 76 (17.23%) Microsoft Excel
10 75 (17.01%) SQL Server
11 72 (16.33%) Oracle
12 67 (15.19%) Migration
13 66 (14.97%) Data Management
14 64 (14.51%) Hadoop
15 63 (14.29%) Big Data
16 61 (13.83%) Data Governance
17 57 (12.93%) Data Migration
18 55 (12.47%) Problem-Solving
19 54 (12.24%) Data Science
20 50 (11.34%) Microsoft
21 46 (10.43%) Banking
21 46 (10.43%) Data Integration
21 46 (10.43%) Relational Database
22 44 (9.98%) Python
23 42 (9.52%) Apache Spark
23 42 (9.52%) SQL Server Integration Services
24 41 (9.30%) Master Data Management
25 40 (9.07%) Kafka

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 42 (9.52%) Apache Spark
2 25 (5.67%) SharePoint
3 22 (4.99%) SAS
4 7 (1.59%) Confluence
5 3 (0.68%) Apache
5 3 (0.68%) Elasticsearch
6 2 (0.45%) Apache Pig
6 2 (0.45%) CMS
6 2 (0.45%) Jupyter
7 1 (0.23%) Drupal
7 1 (0.23%) IBM Domino
7 1 (0.23%) WebLogic
Applications
1 76 (17.23%) Microsoft Excel
2 11 (2.49%) Microsoft PowerPoint
2 11 (2.49%) MS Visio
3 10 (2.27%) Microsoft Office
4 3 (0.68%) Microsoft Project
5 1 (0.23%) Shockwave
5 1 (0.23%) SPSS
5 1 (0.23%) Stata
Business Applications
1 8 (1.81%) Dynamics CRM
1 8 (1.81%) Oracle Retail
2 5 (1.13%) Dynamics AX
3 3 (0.68%) NetSuite
3 3 (0.68%) SAP HR
3 3 (0.68%) Workday HCM
4 2 (0.45%) Raiser's Edge
4 2 (0.45%) SAP S/4HANA
5 1 (0.23%) Dynamics NAV
5 1 (0.23%) Infor CRM
5 1 (0.23%) OPENContractor
5 1 (0.23%) Oracle AML
5 1 (0.23%) RMDS
5 1 (0.23%) SAP CO
5 1 (0.23%) SAP FI
5 1 (0.23%) SAP FI/CO
5 1 (0.23%) SAP HCM
5 1 (0.23%) SAP MM
5 1 (0.23%) SAP Oil and Gas
5 1 (0.23%) Unica
Cloud Services
1 33 (7.48%) Microsoft Azure
2 22 (4.99%) Amazon AWS
3 15 (3.40%) Dynamics 365
4 14 (3.17%) SaaS
5 13 (2.95%) GitHub
6 7 (1.59%) IaaS
6 7 (1.59%) PaaS
7 6 (1.36%) Cloud Computing
8 5 (1.13%) Azure Data Factory
8 5 (1.13%) Office 365
9 4 (0.91%) Amazon EMR
10 3 (0.68%) Amazon Kinesis
10 3 (0.68%) G Suite
10 3 (0.68%) Google Cloud Platform
11 2 (0.45%) Adobe Analytics
11 2 (0.45%) Amazon EC2
11 2 (0.45%) Amazon S3
11 2 (0.45%) AWS Lambda
11 2 (0.45%) Azure Active Directory
11 2 (0.45%) Serverless
Communications & Networking
1 8 (1.81%) Kerberos
2 6 (1.36%) Firewall
2 6 (1.36%) VPN
3 5 (1.13%) HTTP
3 5 (1.13%) HTTPS
3 5 (1.13%) SSL
4 3 (0.68%) FTP
5 1 (0.23%) Internet
5 1 (0.23%) SMS
Database & Business Intelligence
1 93 (21.09%) Data Warehouse
2 75 (17.01%) SQL Server
3 64 (14.51%) Hadoop
4 63 (14.29%) Big Data
5 46 (10.43%) Relational Database
6 42 (9.52%) SQL Server Integration Services
7 38 (8.62%) Apache Hive
8 35 (7.94%) Power BI
9 27 (6.12%) SQL Server Reporting Services
10 25 (5.67%) OLAP
11 23 (5.22%) RDBMS
12 20 (4.54%) Enterprise Data Warehouse
12 20 (4.54%) Star Schema
13 19 (4.31%) HBase
14 18 (4.08%) NoSQL
14 18 (4.08%) OLAP Cube
15 17 (3.85%) SQL Server Analysis Services
15 17 (3.85%) Sqoop
16 12 (2.72%) MongoDB
16 12 (2.72%) Talend Open Studio
Development Applications
1 17 (3.85%) JIRA
2 12 (2.72%) Team Foundation Server
3 8 (1.81%) Git (software)
3 8 (1.81%) Visual Studio
3 8 (1.81%) Visual Studio Team System
4 7 (1.59%) ERwin
5 6 (1.36%) Cucumber
5 6 (1.36%) Jenkins
5 6 (1.36%) Selenium
5 6 (1.36%) Subversion
6 5 (1.13%) Toad
7 4 (0.91%) Gerrit
7 4 (0.91%) JBehave
7 4 (0.91%) PowerDesigner
7 4 (0.91%) SpecFlow
7 4 (0.91%) SQL Server Management Studio (SSMS)
7 4 (0.91%) XMLSpy
8 1 (0.23%) Balsamiq Mockups
8 1 (0.23%) Gradle
8 1 (0.23%) Hudson
General
1 137 (31.07%) Finance
2 46 (10.43%) Banking
3 30 (6.80%) Retail
4 20 (4.54%) Investment Banking
5 19 (4.31%) Marketing
5 19 (4.31%) Pharmaceutical
6 12 (2.72%) Front Office
6 12 (2.72%) Legal
7 7 (1.59%) Financial Institution
8 6 (1.36%) Publishing
9 5 (1.13%) Retail Banking
10 3 (0.68%) Back Office
10 3 (0.68%) Games
10 3 (0.68%) Private Banking
11 1 (0.23%) Advertising
11 1 (0.23%) French Language
11 1 (0.23%) German Language
11 1 (0.23%) Law
11 1 (0.23%) Social Science
11 1 (0.23%) Telecoms
Job Titles
1 164 (37.19%) Analyst
2 86 (19.50%) Data Analyst
3 60 (13.61%) Developer
4 43 (9.75%) Data Engineer
5 33 (7.48%) Architect
6 31 (7.03%) Business Analyst
7 30 (6.80%) Consultant
8 21 (4.76%) Data Architect
8 21 (4.76%) Hadoop Engineer
8 21 (4.76%) SQL Analyst
9 20 (4.54%) Data Consultant
10 18 (4.08%) Data Manager
11 17 (3.85%) Business Intelligence Analyst
12 13 (2.95%) Big Data Engineer
12 13 (2.95%) Information Analyst
13 12 (2.72%) Data Migration Consultant
13 12 (2.72%) Migration Consultant
14 11 (2.49%) Data Quality Analyst
14 11 (2.49%) Data Scientist
14 11 (2.49%) Senior Analyst
Libraries, Frameworks & Software Standards
1 40 (9.07%) Kafka
2 32 (7.26%) XML
3 10 (2.27%) CSS
3 10 (2.27%) HTML
4 9 (2.04%) .NET
4 9 (2.04%) JSON
4 9 (2.04%) LDAP
5 8 (1.81%) REST
5 8 (1.81%) Web Services
6 7 (1.59%) Ajax
6 7 (1.59%) Gherkin
6 7 (1.59%) Natural Language Processing
6 7 (1.59%) XHTML
7 5 (1.13%) OAuth
7 5 (1.13%) RESTful
7 5 (1.13%) SAML
8 3 (0.68%) ASP.NET
8 3 (0.68%) Middleware
8 3 (0.68%) scikit-learn
9 2 (0.45%) React
Miscellaneous
1 94 (21.32%) Analytical Skills
2 28 (6.35%) Management Information System
3 24 (5.44%) Reference Data
4 18 (4.08%) Data Structures
5 17 (3.85%) Fixed Income
6 16 (3.63%) Algorithms
7 15 (3.40%) Greenfield Project
8 14 (3.17%) NHS
8 14 (3.17%) Virtual Team
9 11 (2.49%) Derivative
10 10 (2.27%) Taxonomies
11 9 (2.04%) Self-Motivation
11 9 (2.04%) Wiki
12 7 (1.59%) CMDB
13 6 (1.36%) Credit Risk
13 6 (1.36%) Data Centre
13 6 (1.36%) Linked Data
14 5 (1.13%) Replication
15 4 (0.91%) Digital Media
15 4 (0.91%) Equities
Operating Systems
1 27 (6.12%) Linux
2 18 (4.08%) Unix
2 18 (4.08%) Windows
3 9 (2.04%) Windows Server
3 9 (2.04%) Windows Server 2012
4 2 (0.45%) Solaris
Processes & Methodologies
1 106 (24.04%) Business Intelligence
1 106 (24.04%) Data Modelling
2 94 (21.32%) Agile Software Development
3 90 (20.41%) ETL
4 89 (20.18%) Analytics
5 81 (18.37%) Data Analysis
6 67 (15.19%) Migration
7 66 (14.97%) Data Management
8 61 (13.83%) Data Governance
9 57 (12.93%) Data Migration
10 55 (12.47%) Problem-Solving
11 54 (12.24%) Data Science
12 46 (10.43%) Data Integration
13 41 (9.30%) Master Data Management
14 38 (8.62%) Data Architecture
14 38 (8.62%) Visualisation
15 33 (7.48%) Quality Management
15 33 (7.48%) Test Automation
16 30 (6.80%) Machine Learning
16 30 (6.80%) Project Management
Programming Languages
1 212 (48.07%) SQL
2 44 (9.98%) Python
3 27 (6.12%) C#
4 25 (5.67%) Java
5 24 (5.44%) R
6 23 (5.22%) T-SQL
7 22 (4.99%) VBA
8 17 (3.85%) C++
8 17 (3.85%) PL/SQL
9 15 (3.40%) JavaScript
10 13 (2.95%) MATLAB
11 12 (2.72%) Scala
12 7 (1.59%) Bash Shell
12 7 (1.59%) Ruby
13 4 (0.91%) C
13 4 (0.91%) Groovy
14 3 (0.68%) Perl
15 2 (0.45%) VB
15 2 (0.45%) VB.NET
16 1 (0.23%) ABAP
Qualifications
1 35 (7.94%) Degree
2 23 (5.22%) Security Cleared
3 21 (4.76%) SC Cleared
4 7 (1.59%) ITIL Certification
4 7 (1.59%) PhD
5 6 (1.36%) Six Sigma Black Belt
6 3 (0.68%) Computer Science Degree
6 3 (0.68%) Microsoft Certification
7 2 (0.45%) BPSS Clearance
7 2 (0.45%) CISM
7 2 (0.45%) CISSP
7 2 (0.45%) DV Cleared
7 2 (0.45%) ISEB
7 2 (0.45%) Master's Degree
7 2 (0.45%) MCSA
7 2 (0.45%) Numerate Degree
8 1 (0.23%) CEH
8 1 (0.23%) DBS Check
8 1 (0.23%) MBA
8 1 (0.23%) MCITP
Quality Assurance & Compliance
1 35 (7.94%) QA
2 27 (6.12%) SLA
3 14 (3.17%) GDPR
4 5 (1.13%) ISO/IEC 27001
5 3 (0.68%) HL7
5 3 (0.68%) PMO
6 1 (0.23%) Solvency II
System Software
1 10 (2.27%) Apache Flume
1 10 (2.27%) HDFS
2 8 (1.81%) Active Directory
3 5 (1.13%) Virtual Machines
4 2 (0.45%) Docker
5 1 (0.23%) Cronacle
Systems Management
1 30 (6.80%) Oozie
2 7 (1.59%) Single Sign-On
3 6 (1.36%) Hadoop YARN
3 6 (1.36%) Terraform
4 5 (1.13%) Ambari
4 5 (1.13%) Ansible
5 4 (0.91%) Control-M
6 2 (0.45%) Failover Clustering
6 2 (0.45%) Forefront Identity Manager
6 2 (0.45%) Kibana
6 2 (0.45%) Kubernetes
6 2 (0.45%) Microsoft Clustering
7 1 (0.23%) Consul
7 1 (0.23%) HP Quality Center
7 1 (0.23%) logstash
7 1 (0.23%) Packer
Vendors
1 72 (16.33%) Oracle
2 50 (11.34%) Microsoft
3 29 (6.58%) SAP
4 26 (5.90%) Tableau
5 15 (3.40%) Talend
6 14 (3.17%) Hortonworks
7 12 (2.72%) Remedy
8 11 (2.49%) Informatica
8 11 (2.49%) Salesforce.com
8 11 (2.49%) ServiceNow
9 10 (2.27%) Sybase
10 9 (2.04%) Murex
11 8 (1.81%) Ab Initio
11 8 (1.81%) Adobe
11 8 (1.81%) Google
11 8 (1.81%) Teradata
12 7 (1.59%) Alteryx
12 7 (1.59%) Cloudera
13 5 (1.13%) BISAM
13 5 (1.13%) FactSet