Period
to 11 December 2019

The following table provides summary statistics for contract job vacancies advertised in the City of 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 11 December 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
Central London > City of London
6 months to
11 Dec 2019
Same period 2018 Same period 2017
Rank 150 174 196
Rank change year-on-year +24 +22 -51
Contract jobs citing Data Quality 65 85 63
As % of all contract IT jobs advertised in the City of London 1.16% 1.19% 0.88%
As % of the Quality Assurance & Compliance category 11.95% 13.36% 6.68%
Number of daily rates quoted 44 66 52
City of London median daily rate £518 £525 £475
Median daily rate % change year-on-year -1.43% +10.53% -
10th Percentile £263 £228 £300
90th Percentile £676 £588 £636
Central London median daily rate £513 £525 £475
% change year-on-year -2.38% +10.53% -
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £65.00
Central London median hourly rate - - £65.00

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 the City of London with a requirement for quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
City of London
Contract vacancies with a requirement for quality assurance or compliance skills 544 636 943
As % of all contract IT jobs advertised in the City of London 9.71% 8.91% 13.12%
Number of daily rates quoted 388 486 752
City of London median daily rate £495 £475 £500
Median daily rate % change year-on-year +4.21% -5.00% +5.26%
10th Percentile £297 £273 £313
90th Percentile £688 £656 £675
Central London median daily rate £480 £475 £488
% change year-on-year +1.05% -2.56% +2.63%
Number of hourly rates quoted 3 12 12
City of London median hourly rate £16.50 £18.85 £15.00
Median hourly rate % change year-on-year -12.47% +25.67% -67.74%
Central London median hourly rate £17.98 £18.85 £15.00
% change year-on-year -4.60% +25.67% -67.74%

Data Quality
Job Vacancy Trend in the City of London

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

Job vacancy trend for Data Quality in the City of London

Data Quality
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Data Quality in the City of London

Data Quality
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Quality in the City of London over the 6 months to 11 December 2019.

Contractor daily rate histogram for Data Quality in the City of London

Data Quality
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Data Quality in the City of London

Data Quality
Contract Job Locations in the City of 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 City of London region over the 6 months to 11 December 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
London Bridge +22 3 £400 -27.27%
Data Quality
Central London

For the 6 months to 11 December 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 City of London region with a requirement for Data Quality.

1 29 (44.62%) SQL
2 28 (43.08%) Finance
3 19 (29.23%) Business Intelligence
4 18 (27.69%) Data Management
5 17 (26.15%) Data Modelling
6 16 (24.62%) Data Warehouse
7 15 (23.08%) ETL
7 15 (23.08%) Agile Software Development
8 14 (21.54%) Data Analysis
8 14 (21.54%) Data Governance
9 11 (16.92%) SQL Server Integration Services
9 11 (16.92%) Stakeholder Management
9 11 (16.92%) SQL Server
10 10 (15.38%) Microsoft Excel
10 10 (15.38%) Analytics
10 10 (15.38%) Problem-Solving
11 9 (13.85%) Analytical Skills
11 9 (13.85%) Microsoft
11 9 (13.85%) Migration
12 8 (12.31%) Banking
12 8 (12.31%) Big Data
13 7 (10.77%) Machine Learning
13 7 (10.77%) Relational Database
13 7 (10.77%) SQL Server Reporting Services
13 7 (10.77%) Python
13 7 (10.77%) Oracle
13 7 (10.77%) Power BI
13 7 (10.77%) Power Platform
14 6 (9.23%) Decision-Making
14 6 (9.23%) Amazon Redshift

Data Quality
Co-occurring IT Skills in the City of 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 4 (6.15%) SharePoint
2 2 (3.08%) Confluence
3 1 (1.54%) Apache Airflow
3 1 (1.54%) Apache Spark
3 1 (1.54%) ArcGIS
3 1 (1.54%) ArcSDE
3 1 (1.54%) SAS
Applications
1 10 (15.38%) Microsoft Excel
2 3 (4.62%) Microsoft Office
2 3 (4.62%) MS Visio
3 2 (3.08%) Microsoft PowerPoint
Business Applications
1 2 (3.08%) Dynamics CRM
2 1 (1.54%) SAP MDG
Cloud Services
1 7 (10.77%) Power Platform
2 5 (7.69%) Amazon EMR
2 5 (7.69%) Amazon S3
2 5 (7.69%) AWS Lambda
2 5 (7.69%) Azure
2 5 (7.69%) Serverless
3 4 (6.15%) AWS
4 3 (4.62%) Microsoft Flow
4 3 (4.62%) PowerApps
5 2 (3.08%) Dynamics 365
6 1 (1.54%) GCP
6 1 (1.54%) GitHub
6 1 (1.54%) PaaS
6 1 (1.54%) SaaS
Communications & Networking
1 1 (1.54%) PuTTY
1 1 (1.54%) Wi-Fi
Database & Business Intelligence
1 16 (24.62%) Data Warehouse
2 11 (16.92%) SQL Server
2 11 (16.92%) SQL Server Integration Services
3 8 (12.31%) Big Data
4 7 (10.77%) Power BI
4 7 (10.77%) Relational Database
4 7 (10.77%) SQL Server Reporting Services
5 6 (9.23%) Amazon Redshift
6 5 (7.69%) Data Lake
7 4 (6.15%) NoSQL
8 3 (4.62%) Azure SQL Data Warehouse
8 3 (4.62%) Azure SQL Database
8 3 (4.62%) Hadoop
9 2 (3.08%) Apache Hive
9 2 (3.08%) BusinessObjects
9 2 (3.08%) Data Mining
9 2 (3.08%) DB2
9 2 (3.08%) Neo4j
9 2 (3.08%) SAP Data Services
9 2 (3.08%) SQL Server Analysis Services
Development Applications
1 3 (4.62%) JIRA
2 1 (1.54%) Git (software)
2 1 (1.54%) Visual Studio
General
1 28 (43.08%) Finance
2 8 (12.31%) Banking
3 5 (7.69%) Advertising
4 2 (3.08%) Back Office
4 2 (3.08%) Front Office
4 2 (3.08%) Retail
5 1 (1.54%) Investment Banking
5 1 (1.54%) Marketing
Job Titles
1 23 (35.38%) Analyst
2 18 (27.69%) Data Analyst
3 16 (24.62%) Developer
4 6 (9.23%) SQL Analyst
5 5 (7.69%) Architect
5 5 (7.69%) Business Intelligence Developer
5 5 (7.69%) Consultant
5 5 (7.69%) Data Architect
5 5 (7.69%) Data Warehouse Developer
5 5 (7.69%) Senior Architect
5 5 (7.69%) Senior Data Architect
5 5 (7.69%) SQL Data Analyst
5 5 (7.69%) SQL Developer
6 4 (6.15%) Administrator
7 3 (4.62%) Data Consultant
7 3 (4.62%) Data Manager
7 3 (4.62%) Power BI Analyst
8 2 (3.08%) Excel Analyst
8 2 (3.08%) FX Business Analyst
8 2 (3.08%) Power BI Developer
Libraries, Frameworks & Software Standards
1 5 (7.69%) XML
2 3 (4.62%) HTML
3 2 (3.08%) Web Services
4 1 (1.54%) .NET
4 1 (1.54%) Ajax
4 1 (1.54%) AngularJS
4 1 (1.54%) CSS
4 1 (1.54%) Kafka
4 1 (1.54%) MDX
4 1 (1.54%) REST
4 1 (1.54%) SOAP
Miscellaneous
1 9 (13.85%) Analytical Skills
2 3 (4.62%) Data Structures
3 2 (3.08%) Derivative
3 2 (3.08%) Equities
3 2 (3.08%) Fixed Income
3 2 (3.08%) Foreign Exchange (FX)
3 2 (3.08%) Self-Motivation
4 1 (1.54%) Credit Risk
4 1 (1.54%) Hedge funds
4 1 (1.54%) Management Information System
4 1 (1.54%) Reference Data
4 1 (1.54%) Replication
4 1 (1.54%) Tandem
Operating Systems
1 2 (3.08%) Linux
1 2 (3.08%) Unix
Processes & Methodologies
1 19 (29.23%) Business Intelligence
2 18 (27.69%) Data Management
3 17 (26.15%) Data Modelling
4 15 (23.08%) Agile Software Development
4 15 (23.08%) ETL
5 14 (21.54%) Data Analysis
5 14 (21.54%) Data Governance
6 11 (16.92%) Stakeholder Management
7 10 (15.38%) Analytics
7 10 (15.38%) Problem-Solving
8 9 (13.85%) Migration
9 7 (10.77%) Machine Learning
10 6 (9.23%) Data Architecture
10 6 (9.23%) Data Migration
10 6 (9.23%) Decision-Making
10 6 (9.23%) Master Data Management
11 5 (7.69%) Artificial Intelligence
11 5 (7.69%) Business Analysis
11 5 (7.69%) Kimball Methodology
11 5 (7.69%) Re-Platforming
Programming Languages
1 29 (44.62%) SQL
2 7 (10.77%) Python
3 5 (7.69%) Java
3 5 (7.69%) Perl
3 5 (7.69%) Scala
3 5 (7.69%) T-SQL
4 3 (4.62%) C++
4 3 (4.62%) R
5 2 (3.08%) C#
5 2 (3.08%) JavaScript
5 2 (3.08%) PL/SQL
6 1 (1.54%) Bash Shell
6 1 (1.54%) Cypher
6 1 (1.54%) Data Analysis Expressions (DAX)
6 1 (1.54%) MATLAB
6 1 (1.54%) Shell Script
Qualifications
1 4 (6.15%) Degree
2 1 (1.54%) Computer Science Degree
2 1 (1.54%) MBA
2 1 (1.54%) SC Cleared
2 1 (1.54%) Security Cleared
Quality Assurance & Compliance
1 4 (6.15%) QA
2 1 (1.54%) Basel III
2 1 (1.54%) EMIR
2 1 (1.54%) GDPR
2 1 (1.54%) IFRS
2 1 (1.54%) IFRS 9
2 1 (1.54%) MiFID
System Software
1 1 (1.54%) Active Directory
1 1 (1.54%) Docker
Systems Management
1 1 (1.54%) Oozie
Vendors
1 9 (13.85%) Microsoft
2 7 (10.77%) Oracle
3 5 (7.69%) SAP
4 4 (6.15%) Sybase
5 3 (4.62%) Alteryx
5 3 (4.62%) Teradata
6 2 (3.08%) Ariba
6 2 (3.08%) Informatica
6 2 (3.08%) Netezza
6 2 (3.08%) Tableau
7 1 (1.54%) Cognos
7 1 (1.54%) Google
7 1 (1.54%) Salesforce.com
7 1 (1.54%) ServiceNow