Period
to 24 May 2018

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 24 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
Central London > City of London
6 months to
24 May 2018
Same period 2017 Same period 2016
Rank 196 144 146
Rank change year-on-year -52 +2 +26
Contract jobs citing Data Quality 51 88 80
As % of all contract IT jobs advertised in the City of London 0.74% 1.43% 1.24%
As % of the Quality Assurance & Compliance category 6.17% 9.90% 10.97%
Number of daily rates quoted 34 66 57
City of London median daily rate £475 £494 £463
Median daily rate % change year-on-year -3.80% +6.76% +7.87%
10th Percentile £301 £338 £302
90th Percentile £667 £675 £575
Central London median daily rate £550 £486 £463
% change year-on-year +13.11% +5.14% +8.82%
Number of hourly rates quoted 1 0 0
City of London median hourly rate £15.55 - -
Central London median hourly rate £15.55 - -

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 827 889 729
As % of all contract IT jobs advertised in the City of London 11.94% 14.44% 11.27%
Number of daily rates quoted 602 655 553
City of London median daily rate £500 £500 £450
Median daily rate % change year-on-year - +11.11% -
10th Percentile £313 £314 £300
90th Percentile £688 £688 £638
Central London median daily rate £500 £500 £450
% change year-on-year - +11.11% -
Number of hourly rates quoted 9 12 6
City of London median hourly rate £15.50 £14.80 £26.75
Median hourly rate % change year-on-year +4.73% -44.67% +57.35%
10th Percentile £14.12 £12.94 £20.00
90th Percentile £62.75 £20.85 £37.25
Central London median hourly rate £15.53 £14.75 £26.75
% change year-on-year +5.25% -44.86% +75.41%

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 24 May 2018.

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 24 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
Moorgate - 1 £450 -
Data Quality
Central London

For the 6 months to 24 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 City of London region with a requirement for Data Quality.

1 18 (35.29%) SQL
2 15 (29.41%) ETL
3 13 (25.49%) Data Modelling
3 13 (25.49%) Data Governance
4 12 (23.53%) Analytics
5 11 (21.57%) Migration
5 11 (21.57%) Agile Software Development
6 10 (19.61%) Business Intelligence
6 10 (19.61%) Python
6 10 (19.61%) Analytical Skills
7 8 (15.69%) Data Management
7 8 (15.69%) Finance
7 8 (15.69%) Data Warehouse
7 8 (15.69%) Relational Database
8 7 (13.73%) Amazon AWS
8 7 (13.73%) SQL Server
8 7 (13.73%) Data Analysis
9 6 (11.76%) Marketing
9 6 (11.76%) JavaScript
9 6 (11.76%) Data Migration
9 6 (11.76%) Data Integration
9 6 (11.76%) Security Cleared
9 6 (11.76%) Git (software)
9 6 (11.76%) Translating Business Requirements
10 5 (9.80%) Jenkins
10 5 (9.80%) Alteryx
10 5 (9.80%) Master Data Management
10 5 (9.80%) Data Architecture
10 5 (9.80%) Data Cleansing
10 5 (9.80%) Tableau

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 (7.84%) Apache
1 4 (7.84%) SharePoint
2 3 (5.88%) Elasticsearch
3 2 (3.92%) SAS
4 1 (1.96%) Apache Spark
4 1 (1.96%) CMS
4 1 (1.96%) WordPress
Applications
1 3 (5.88%) Microsoft Excel
2 2 (3.92%) Spreadsheet
3 1 (1.96%) MS Visio
Business Applications
1 1 (1.96%) Dynamics AX
1 1 (1.96%) Dynamics GP
1 1 (1.96%) PeopleSoft HCM
Cloud Services
1 7 (13.73%) Amazon AWS
2 4 (7.84%) Google Cloud Platform
3 3 (5.88%) Google Analytics
3 3 (5.88%) Google Tag Manager
4 2 (3.92%) Bluemix
4 2 (3.92%) IBM Cloud
4 2 (3.92%) Microsoft Azure
5 1 (1.96%) AdWords
5 1 (1.96%) Amazon S3
5 1 (1.96%) Office 365
Database & Business Intelligence
1 8 (15.69%) Data Warehouse
1 8 (15.69%) Relational Database
2 7 (13.73%) SQL Server
3 5 (9.80%) Power BI
4 4 (7.84%) Big Data
4 4 (7.84%) BigQuery
4 4 (7.84%) Hadoop
4 4 (7.84%) HBase
4 4 (7.84%) SQL Server Integration Services
5 2 (3.92%) Enterprise Data Warehouse
5 2 (3.92%) MySQL
5 2 (3.92%) OLAP
5 2 (3.92%) Oracle OLAP
5 2 (3.92%) Pentaho
5 2 (3.92%) PowerCenter
5 2 (3.92%) SQL Server Reporting Services
6 1 (1.96%) Amazon Redshift
6 1 (1.96%) Oracle Database
6 1 (1.96%) SQL Server 2014
6 1 (1.96%) SQL Server 2016
Development Applications
1 6 (11.76%) Git (software)
2 5 (9.80%) Jenkins
3 2 (3.92%) PowerDesigner
3 2 (3.92%) Visual Studio Team System
4 1 (1.96%) Bundler
4 1 (1.96%) ERwin
4 1 (1.96%) Subversion
4 1 (1.96%) VSS/SourceSafe
General
1 8 (15.69%) Finance
2 6 (11.76%) Marketing
3 3 (5.88%) Law
4 2 (3.92%) Banking
4 2 (3.92%) Legal
5 1 (1.96%) Back Office
5 1 (1.96%) Front Office
5 1 (1.96%) Games
5 1 (1.96%) German Language
5 1 (1.96%) Investment Banking
5 1 (1.96%) Retail
Job Titles
1 15 (29.41%) Analyst
2 12 (23.53%) Developer
3 9 (17.65%) Data Analyst
4 5 (9.80%) Consultant
5 4 (7.84%) Architect
5 4 (7.84%) Data Engineer
5 4 (7.84%) Python Engineer
6 3 (5.88%) Big Data Developer
6 3 (5.88%) Data Consultant
6 3 (5.88%) Data Manager
6 3 (5.88%) Data Quality Analyst
6 3 (5.88%) Database Developer
6 3 (5.88%) Quality Analyst
6 3 (5.88%) Web Analyst
7 2 (3.92%) Data Governance Analyst
7 2 (3.92%) Data Governance Manager
7 2 (3.92%) Data Governance Specialist
7 2 (3.92%) Governance Analyst
7 2 (3.92%) Governance Manager
7 2 (3.92%) Tableau Developer
Libraries, Frameworks & Software Standards
1 5 (9.80%) XML
2 4 (7.84%) Kafka
3 3 (5.88%) JMS
3 3 (5.88%) jQuery
3 3 (5.88%) JSON
3 3 (5.88%) REST
3 3 (5.88%) SOAP
4 2 (3.92%) ServiceStack
5 1 (1.96%) .NET
5 1 (1.96%) CSS
5 1 (1.96%) D3.js
5 1 (1.96%) LAMP
5 1 (1.96%) LAPP Stack
5 1 (1.96%) Natural Language Processing
5 1 (1.96%) OpenNLP
5 1 (1.96%) RabbitMQ
5 1 (1.96%) React
5 1 (1.96%) Struts
Miscellaneous
1 10 (19.61%) Analytical Skills
2 4 (7.84%) Management Information System
3 3 (5.88%) Data Structures
3 3 (5.88%) NHS
4 2 (3.92%) Mobile App
4 2 (3.92%) Reference Data
4 2 (3.92%) Taxonomies
5 1 (1.96%) Computer Science
5 1 (1.96%) Greenfield Project
5 1 (1.96%) Hedge funds
5 1 (1.96%) Mainframe
5 1 (1.96%) Replication
Operating Systems
1 5 (9.80%) Linux
Processes & Methodologies
1 15 (29.41%) ETL
2 13 (25.49%) Data Governance
2 13 (25.49%) Data Modelling
3 12 (23.53%) Analytics
4 11 (21.57%) Agile Software Development
4 11 (21.57%) Migration
5 10 (19.61%) Business Intelligence
6 8 (15.69%) Data Management
7 7 (13.73%) Data Analysis
8 6 (11.76%) Data Integration
8 6 (11.76%) Data Migration
8 6 (11.76%) Translating Business Requirements
9 5 (9.80%) Data Architecture
9 5 (9.80%) Data Cleansing
9 5 (9.80%) Decision-Making
9 5 (9.80%) Master Data Management
9 5 (9.80%) Project Management
10 4 (7.84%) Data Lineage
10 4 (7.84%) Data Science
10 4 (7.84%) TDD
Programming Languages
1 18 (35.29%) SQL
2 10 (19.61%) Python
3 6 (11.76%) JavaScript
4 4 (7.84%) Java
4 4 (7.84%) T-SQL
5 3 (5.88%) Bash Shell
6 1 (1.96%) C
6 1 (1.96%) C#
6 1 (1.96%) ES6
6 1 (1.96%) HiveQL
6 1 (1.96%) Natural
6 1 (1.96%) PL/SQL
6 1 (1.96%) Scala
6 1 (1.96%) Shell Script
6 1 (1.96%) VBA
Qualifications
1 6 (11.76%) Security Cleared
2 3 (5.88%) SC Cleared
3 2 (3.92%) Degree
3 2 (3.92%) DV Cleared
4 1 (1.96%) BPSS Clearance
4 1 (1.96%) DBS Check
4 1 (1.96%) PhD
Quality Assurance & Compliance
1 3 (5.88%) GDPR
1 3 (5.88%) QA
2 1 (1.96%) SLA
2 1 (1.96%) Solvency II
System Software
1 2 (3.92%) Docker
Systems Management
1 1 (1.96%) Grafana
1 1 (1.96%) Kibana
1 1 (1.96%) Terraform
Vendors
1 5 (9.80%) Alteryx
1 5 (9.80%) Tableau
2 4 (7.84%) Cloudera
2 4 (7.84%) Google
2 4 (7.84%) Informatica
2 4 (7.84%) Oracle
3 3 (5.88%) Hortonworks
3 3 (5.88%) IBM
3 3 (5.88%) Microsoft
3 3 (5.88%) Tealium
4 2 (3.92%) Talend
5 1 (1.96%) Cognos
5 1 (1.96%) PeopleSoft
5 1 (1.96%) Siebel
5 1 (1.96%) Software AG
5 1 (1.96%) Splunk