Period
to 22 November 2019

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 22 November 2019 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
22 Nov 2019
Same period 2018 Same period 2017
Rank 249 283 245
Rank change year-on-year +34 -38 -7
Contract jobs citing Data Quality 352 426 545
As % of all contract IT jobs advertised in London 1.00% 0.92% 1.16%
As % of the Quality Assurance & Compliance category 10.31% 8.90% 8.88%
Number of daily rates quoted 239 314 347
London median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% - -
10th Percentile £313 £260 £325
90th Percentile £650 £613 £675
England median daily rate £465 £465 £463
% change year-on-year - +0.54% +2.78%
Number of hourly rates quoted 4 3 5
London median hourly rate £25.50 £23.88 £60.00
Median hourly rate % change year-on-year +6.78% -60.20% +208.21%
10th Percentile £14.79 £21.18 £29.20
90th Percentile £28.00 £32.78 £133.20
England median hourly rate £27.97 £20.25 £20.56
% change year-on-year +38.16% -1.54% +52.31%

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 3,414 4,786 6,138
As % of all contract IT jobs advertised in London 9.71% 10.32% 13.03%
Number of daily rates quoted 2,346 3,343 4,398
London median daily rate £488 £475 £480
Median daily rate % change year-on-year +2.63% -1.04% +3.78%
10th Percentile £286 £278 £300
90th Percentile £675 £663 £675
England median daily rate £450 £450 £450
Number of hourly rates quoted 53 71 72
London median hourly rate £18.70 £26.50 £20.00
Median hourly rate % change year-on-year -29.43% +32.50% -
10th Percentile £12.50 £11.00 £12.10
90th Percentile £40.55 £57.50 £56.75
England median hourly rate £21.34 £21.76 £20.00
% change year-on-year -1.93% +8.80% -11.11%

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 22 November 2019.

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 22 November 2019.

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 22 November 2019. 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 +38 83 £520 +9.47% 15
West London +12 16 £365 +49.74% 1
South London +34 11 £375 -22.68% 1
East London +16 5 £480 -4.00% 7
North London - 2 £350 - 1
Data Quality
England

For the 6 months to 22 November 2019, 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.

1 149 (42.33%) SQL
2 111 (31.53%) Finance
3 95 (26.99%) Data Modelling
4 92 (26.14%) Business Intelligence
5 89 (25.28%) Analytics
6 84 (23.86%) Data Analysis
7 81 (23.01%) Data Warehouse
8 78 (22.16%) Agile Software Development
9 74 (21.02%) Data Management
10 71 (20.17%) ETL
11 67 (19.03%) Migration
12 63 (17.90%) Data Governance
12 63 (17.90%) Analytical Skills
13 55 (15.63%) Data Migration
14 54 (15.34%) Problem-Solving
15 51 (14.49%) Microsoft Excel
16 48 (13.64%) Data Architecture
17 47 (13.35%) Data Science
18 46 (13.07%) Python
19 44 (12.50%) SQL Server
20 41 (11.65%) Data Integration
21 38 (10.80%) Microsoft
21 38 (10.80%) Power Platform
21 38 (10.80%) Power BI
22 36 (10.23%) Oracle
22 36 (10.23%) Banking
23 34 (9.66%) Big Data
24 33 (9.38%) Stakeholder Management
25 31 (8.81%) Tableau
25 31 (8.81%) SQL Server Integration Services

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 12 (3.41%) SAS
2 11 (3.13%) Apache Spark
3 9 (2.56%) SharePoint
4 8 (2.27%) Apache Airflow
5 6 (1.70%) Confluence
6 1 (0.28%) Apache
6 1 (0.28%) ArcGIS
6 1 (0.28%) ArcSDE
6 1 (0.28%) BizTalk Server
Applications
1 51 (14.49%) Microsoft Excel
2 8 (2.27%) Microsoft Office
2 8 (2.27%) Microsoft PowerPoint
2 8 (2.27%) MS Visio
3 4 (1.14%) Microsoft Project
4 1 (0.28%) S-PLUS
Business Applications
1 9 (2.56%) Dynamics CRM
2 3 (0.85%) SAP MDG
3 2 (0.57%) Adobe Campaign
3 2 (0.57%) Dynamics AX
3 2 (0.57%) SAP ERP
3 2 (0.57%) Sparx Enterprise Architect
4 1 (0.28%) Magento
4 1 (0.28%) Markit EDM
4 1 (0.28%) NetSuite
4 1 (0.28%) Oracle AML
4 1 (0.28%) Remedy ITSM
4 1 (0.28%) SAP IS-U
4 1 (0.28%) SAP S/4HANA
Cloud Services
1 38 (10.80%) Power Platform
2 27 (7.67%) Azure
3 25 (7.10%) AWS
4 21 (5.97%) GCP
5 10 (2.84%) Dynamics 365
6 7 (1.99%) Amazon S3
6 7 (1.99%) Serverless
7 6 (1.70%) Force.com
8 5 (1.42%) Amazon EMR
8 5 (1.42%) AWS Lambda
9 4 (1.14%) Adobe Analytics
9 4 (1.14%) PowerApps
10 3 (0.85%) GitHub
10 3 (0.85%) Microsoft Flow
11 2 (0.57%) Azure Data Factory
11 2 (0.57%) PaaS
12 1 (0.28%) G Suite
12 1 (0.28%) SaaS
12 1 (0.28%) SuccessFactors
Communications & Networking
1 4 (1.14%) PuTTY
2 3 (0.85%) TCP/IP
3 2 (0.57%) FTP
4 1 (0.28%) HTTP
4 1 (0.28%) VLAN
4 1 (0.28%) Wi-Fi
Database & Business Intelligence
1 81 (23.01%) Data Warehouse
2 44 (12.50%) SQL Server
3 38 (10.80%) Power BI
4 34 (9.66%) Big Data
5 31 (8.81%) SQL Server Integration Services
6 29 (8.24%) Data Lake
7 21 (5.97%) Hadoop
8 15 (4.26%) SQL Server Reporting Services
9 14 (3.98%) Amazon Redshift
9 14 (3.98%) Apache Hive
9 14 (3.98%) Data Mining
9 14 (3.98%) Relational Database
10 13 (3.69%) BigQuery
11 12 (3.41%) BusinessObjects
12 11 (3.13%) Snowflake Schema
13 10 (2.84%) MongoDB
14 9 (2.56%) NoSQL
14 9 (2.56%) SAS Enterprise Guide
14 9 (2.56%) Star Schema
15 8 (2.27%) Apache Cassandra
Development Applications
1 14 (3.98%) JIRA
2 8 (2.27%) Git (software)
3 4 (1.14%) ERwin
3 4 (1.14%) Jenkins
3 4 (1.14%) SQL Server Management Studio (SSMS)
4 3 (0.85%) ER Studio
4 3 (0.85%) PowerDesigner
5 2 (0.57%) Cucumber
5 2 (0.57%) JUnit
5 2 (0.57%) MagicDraw
5 2 (0.57%) Selenium
5 2 (0.57%) SoapUI
5 2 (0.57%) Visual Studio
6 1 (0.28%) Bitbucket Server
6 1 (0.28%) PowerBuilder
6 1 (0.28%) Subversion
6 1 (0.28%) Team Foundation Server
6 1 (0.28%) Toad
General
1 111 (31.53%) Finance
2 36 (10.23%) Banking
3 20 (5.68%) Marketing
4 19 (5.40%) Legal
5 15 (4.26%) Public Sector
6 13 (3.69%) Investment Banking
7 11 (3.13%) Advertising
8 10 (2.84%) Front Office
8 10 (2.84%) Retail
9 9 (2.56%) Law
10 6 (1.70%) Telecoms
11 4 (1.14%) Local Government
11 4 (1.14%) Pharmaceutical
12 3 (0.85%) Back Office
12 3 (0.85%) Retail Banking
13 1 (0.28%) Corporate Banking
13 1 (0.28%) German Language
13 1 (0.28%) Housing Association
13 1 (0.28%) Manufacturing
13 1 (0.28%) Publishing
Job Titles
1 129 (36.65%) Analyst
2 85 (24.15%) Data Analyst
3 51 (14.49%) Architect
3 51 (14.49%) Developer
4 38 (10.80%) Data Architect
5 21 (5.97%) Business Analyst
6 19 (5.40%) Data Engineer
7 16 (4.55%) Governance Manager
7 16 (4.55%) SQL Developer
8 14 (3.98%) Consultant
9 12 (3.41%) Project Manager
10 11 (3.13%) Administrator
10 11 (3.13%) Banking Analyst
10 11 (3.13%) Business Intelligence Analyst
10 11 (3.13%) Data Governance Analyst
10 11 (3.13%) Data Governance Manager
10 11 (3.13%) Data Manager
10 11 (3.13%) SQL Analyst
11 9 (2.56%) Business Intelligence Developer
11 9 (2.56%) SQL Data Analyst
Libraries, Frameworks & Software Standards
1 18 (5.11%) Web Services
2 17 (4.83%) XML
3 13 (3.69%) Kafka
4 7 (1.99%) JSON
4 7 (1.99%) Visualforce
5 4 (1.14%) HTML
5 4 (1.14%) Pandas
6 3 (0.85%) Oracle Fusion
6 3 (0.85%) RESTful
7 2 (0.57%) .NET
7 2 (0.57%) Django
7 2 (0.57%) Flask
7 2 (0.57%) MDX
7 2 (0.57%) NumPy
7 2 (0.57%) SciPy
7 2 (0.57%) SOAP
7 2 (0.57%) Swagger
8 1 (0.28%) COM
8 1 (0.28%) CSS
8 1 (0.28%) J2EE
Miscellaneous
1 63 (17.90%) Analytical Skills
2 26 (7.39%) Management Information System
3 20 (5.68%) Reference Data
4 16 (4.55%) Self-Motivation
5 15 (4.26%) Algorithms
6 13 (3.69%) NHS
7 10 (2.84%) Data Structures
8 7 (1.99%) Fixed Income
8 7 (1.99%) Reinsurance
8 7 (1.99%) Taxonomies
9 6 (1.70%) Linked Data
10 5 (1.42%) Market Risk
11 4 (1.14%) Credit Risk
11 4 (1.14%) Derivative
11 4 (1.14%) Equities
11 4 (1.14%) Freedom of Information
11 4 (1.14%) Public Cloud
12 3 (0.85%) Greenfield Project
12 3 (0.85%) User Experience
13 2 (0.57%) FMCG
Operating Systems
1 9 (2.56%) Windows
2 8 (2.27%) Linux
3 5 (1.42%) Unix
4 1 (0.28%) VMS
Processes & Methodologies
1 95 (26.99%) Data Modelling
2 92 (26.14%) Business Intelligence
3 89 (25.28%) Analytics
4 84 (23.86%) Data Analysis
5 78 (22.16%) Agile Software Development
6 74 (21.02%) Data Management
7 71 (20.17%) ETL
8 67 (19.03%) Migration
9 63 (17.90%) Data Governance
10 55 (15.63%) Data Migration
11 54 (15.34%) Problem-Solving
12 48 (13.64%) Data Architecture
13 47 (13.35%) Data Science
14 41 (11.65%) Data Integration
15 33 (9.38%) Stakeholder Management
16 26 (7.39%) CRM
16 26 (7.39%) Visualisation
17 25 (7.10%) Quality Management
18 24 (6.82%) Project Management
19 23 (6.53%) Change Management
Programming Languages
1 149 (42.33%) SQL
2 46 (13.07%) Python
3 23 (6.53%) T-SQL
4 16 (4.55%) PL/SQL
5 13 (3.69%) Java
6 10 (2.84%) Scala
7 9 (2.56%) JavaScript
7 9 (2.56%) R
8 8 (2.27%) VBA
9 7 (1.99%) Apex Code
9 7 (1.99%) C#
9 7 (1.99%) MATLAB
9 7 (1.99%) Perl
10 6 (1.70%) Go
11 3 (0.85%) C++
11 3 (0.85%) Shell Script
12 2 (0.57%) Cypher
12 2 (0.57%) Data Analysis Expressions (DAX)
12 2 (0.57%) Rust
13 1 (0.28%) HiveQL
Qualifications
1 19 (5.40%) Security Cleared
2 15 (4.26%) SC Cleared
3 12 (3.41%) Degree
4 5 (1.42%) PhD
5 4 (1.14%) BPSS Clearance
6 2 (0.57%) CTC Cleared
6 2 (0.57%) DV Cleared
6 2 (0.57%) Master's Degree
7 1 (0.28%) Computer Science Degree
7 1 (0.28%) Numerate Degree
7 1 (0.28%) TOGAF Certification
Quality Assurance & Compliance
1 23 (6.53%) QA
2 4 (1.14%) GDPR
3 3 (0.85%) PMO
4 2 (0.57%) EMIR
4 2 (0.57%) IFRS
4 2 (0.57%) MiFID
5 1 (0.28%) Basel III
5 1 (0.28%) HL7
5 1 (0.28%) IFRS 9
5 1 (0.28%) ISO/IEC 27001
5 1 (0.28%) PSD2
5 1 (0.28%) SLA
System Software
1 11 (3.13%) Docker
2 2 (0.57%) Active Directory
2 2 (0.57%) HDFS
3 1 (0.28%) Virtual Machines
Systems Management
1 6 (1.70%) Kubernetes
2 2 (0.57%) Oozie
3 1 (0.28%) Single Sign-On
3 1 (0.28%) TeamSite
Vendors
1 38 (10.80%) Microsoft
2 36 (10.23%) Oracle
3 31 (8.81%) Tableau
4 21 (5.97%) SAP
5 20 (5.68%) Salesforce.com
6 14 (3.98%) Alteryx
7 13 (3.69%) Google
7 13 (3.69%) Informatica
8 10 (2.84%) Hyperion
8 10 (2.84%) Teradata
9 9 (2.56%) DataFlux
10 7 (1.99%) Databricks
10 7 (1.99%) MuleSoft
11 5 (1.42%) Adobe
11 5 (1.42%) Dell
12 4 (1.14%) CA
12 4 (1.14%) FIS
12 4 (1.14%) ServiceNow
12 4 (1.14%) SmartStream
12 4 (1.14%) Sybase