Period
to 22 April 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 April 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 Apr 2019
Same period 2018 Same period 2017
Rank 250 250 228
Rank change year-on-year 0 -22 -32
Contract jobs citing Data Quality 466 513 462
As % of all contract IT jobs advertised in London 1.10% 1.11% 1.15%
As % of the Quality Assurance & Compliance category 10.85% 9.09% 9.64%
Number of daily rates quoted 300 350 293
London median daily rate £500 £513 £450
Median daily rate % change year-on-year -2.44% +13.89% -
10th Percentile £310 £313 £298
90th Percentile £638 £688 £650
England median daily rate £475 £475 £450
% change year-on-year - +5.56% +5.88%
Number of hourly rates quoted 7 2 4
London median hourly rate £35.00 £53.75 £31.75
Median hourly rate % change year-on-year -34.88% +69.29% +71.62%
10th Percentile £15.01 £43.38 £24.51
90th Percentile £43.25 £65.13 £34.00
England median hourly rate £20.25 £21.50 £18.00
% change year-on-year -5.84% +19.44% -2.70%

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 4,293 5,645 4,792
As % of all contract IT jobs advertised in London 10.18% 12.22% 11.95%
Number of daily rates quoted 2,857 3,916 3,356
London median daily rate £500 £490 £475
Median daily rate % change year-on-year +2.04% +3.16% +5.56%
10th Percentile £306 £300 £298
90th Percentile £675 £675 £675
England median daily rate £450 £450 £450
Number of hourly rates quoted 68 92 63
London median hourly rate £22.00 £21.90 £22.00
Median hourly rate % change year-on-year +0.46% -0.45% -2.22%
10th Percentile £12.50 £13.30 £12.22
90th Percentile £49.13 £57.50 £47.45
England median hourly rate £21.50 £22.50 £21.50
% change year-on-year -4.44% +4.65% -8.96%

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 April 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 April 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 April 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 +21 114 £550 - 9
West London +48 39 £270 +5.37%
East London -26 7 £463 - 2
South London +3 3 £575 +43.75%
Data Quality
England

For the 6 months to 22 April 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.

1 237 (50.86%) SQL
2 167 (35.84%) Finance
3 160 (34.33%) Data Modelling
4 148 (31.76%) Agile Software Development
5 134 (28.76%) Analytics
6 112 (24.03%) Data Warehouse
7 109 (23.39%) Business Intelligence
8 108 (23.18%) ETL
9 103 (22.10%) Data Analysis
10 96 (20.60%) Big Data
11 95 (20.39%) Migration
12 91 (19.53%) Data Science
13 89 (19.10%) Data Migration
14 87 (18.67%) Analytical Skills
15 85 (18.24%) Python
16 83 (17.81%) Data Management
17 76 (16.31%) Oracle
18 74 (15.88%) Kafka
19 71 (15.24%) Data Governance
20 70 (15.02%) Problem-Solving
21 67 (14.38%) Microsoft Excel
22 66 (14.16%) Hadoop
23 62 (13.30%) Machine Learning
24 61 (13.09%) Apache Spark
25 56 (12.02%) Microsoft
26 53 (11.37%) Power BI
27 52 (11.16%) Data Cleansing
28 51 (10.94%) Apache Hive
28 51 (10.94%) SQL Server
29 50 (10.73%) Amazon AWS

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 61 (13.09%) Apache Spark
2 25 (5.36%) Apache
3 20 (4.29%) SharePoint
4 10 (2.15%) SAS
5 5 (1.07%) Apache Pig
6 3 (0.64%) Confluence
7 2 (0.43%) Apache Solr
8 1 (0.21%) Apache Airflow
8 1 (0.21%) ArcGIS
8 1 (0.21%) BizTalk Server
8 1 (0.21%) CMS
8 1 (0.21%) Elasticsearch
8 1 (0.21%) Jupyter
8 1 (0.21%) Oracle SOA Suite
Applications
1 67 (14.38%) Microsoft Excel
2 13 (2.79%) MS Visio
3 12 (2.58%) Microsoft Office
4 8 (1.72%) Microsoft PowerPoint
5 2 (0.43%) Microsoft Project
5 2 (0.43%) SPSS
Business Applications
1 11 (2.36%) Dynamics CRM
2 4 (0.86%) HFM
2 4 (0.86%) Oracle Retail
3 3 (0.64%) Dynamics AX
3 3 (0.64%) SAP Oil and Gas
3 3 (0.64%) SAP S/4HANA
4 2 (0.43%) Markit EDM
5 1 (0.21%) 3000 Xtra
5 1 (0.21%) Dynamics NAV
5 1 (0.21%) Oracle AML
5 1 (0.21%) Oracle EBS R12
5 1 (0.21%) Raiser's Edge
5 1 (0.21%) ResourceLink
5 1 (0.21%) RMDS
5 1 (0.21%) Salesforce.com CRM
5 1 (0.21%) SAP BPC
5 1 (0.21%) SAP Business One
5 1 (0.21%) SAP HR
5 1 (0.21%) SAP MDG
5 1 (0.21%) Workday HCM
Cloud Services
1 50 (10.73%) Amazon AWS
2 39 (8.37%) Microsoft Azure
3 27 (5.79%) Amazon S3
4 25 (5.36%) Amazon EC2
5 21 (4.51%) Amazon CloudWatch
5 21 (4.51%) Amazon Glacier
5 21 (4.51%) Amazon SQS
5 21 (4.51%) AWS CloudFormation
5 21 (4.51%) AWS CloudTrail
5 21 (4.51%) Virtual Private Cloud
6 13 (2.79%) Dynamics 365
7 12 (2.58%) SaaS
8 10 (2.15%) Google Cloud Platform
9 6 (1.29%) Amazon EMR
9 6 (1.29%) Google Analytics
9 6 (1.29%) Office 365
9 6 (1.29%) Serverless
9 6 (1.29%) SuccessFactors
10 5 (1.07%) Adobe Analytics
11 4 (0.86%) PaaS
Communications & Networking
1 8 (1.72%) FTP
2 2 (0.43%) Internet
3 1 (0.21%) DNS
3 1 (0.21%) HTTP
3 1 (0.21%) LAN
3 1 (0.21%) WAN
Database & Business Intelligence
1 112 (24.03%) Data Warehouse
2 96 (20.60%) Big Data
3 66 (14.16%) Hadoop
4 53 (11.37%) Power BI
5 51 (10.94%) Apache Hive
5 51 (10.94%) SQL Server
6 47 (10.09%) Relational Database
7 45 (9.66%) OLAP
7 45 (9.66%) Star Schema
8 41 (8.80%) Enterprise Data Warehouse
8 41 (8.80%) OLAP Cube
9 35 (7.51%) SQL Server Integration Services
10 24 (5.15%) SQL Server Reporting Services
11 21 (4.51%) Amazon RDS
11 21 (4.51%) MongoDB
12 19 (4.08%) NoSQL
13 15 (3.22%) Oracle Database
13 15 (3.22%) PostgreSQL
14 13 (2.79%) SQL Server Analysis Services
15 11 (2.36%) HBase
Development Applications
1 48 (10.30%) Git (software)
2 27 (5.79%) Jenkins
3 20 (4.29%) JIRA
4 9 (1.93%) SQL Server Management Studio (SSMS)
4 9 (1.93%) Team Foundation Server
5 5 (1.07%) Selenium
5 5 (1.07%) SpecFlow
5 5 (1.07%) Toad
5 5 (1.07%) Visual Studio Team System
6 4 (0.86%) ERwin
6 4 (0.86%) Oracle APEX
6 4 (0.86%) PowerDesigner
6 4 (0.86%) Subversion
6 4 (0.86%) XMLSpy
7 2 (0.43%) Cucumber
7 2 (0.43%) ER Studio
7 2 (0.43%) Gerrit
7 2 (0.43%) JBehave
7 2 (0.43%) Visual Studio
8 1 (0.21%) GitLab
General
1 167 (35.84%) Finance
2 32 (6.87%) Banking
3 27 (5.79%) Legal
4 26 (5.58%) Marketing
5 21 (4.51%) Pharmaceutical
6 14 (3.00%) Retail
7 13 (2.79%) Investment Banking
8 7 (1.50%) Back Office
8 7 (1.50%) Front Office
9 6 (1.29%) Financial Institution
10 5 (1.07%) General Ledger
11 4 (0.86%) Retail Banking
12 3 (0.64%) Advertising
12 3 (0.64%) Law
12 3 (0.64%) Private Banking
12 3 (0.64%) Telecoms
13 2 (0.43%) Publishing
14 1 (0.21%) Billing
14 1 (0.21%) Games
14 1 (0.21%) Military
Job Titles
1 154 (33.05%) Analyst
2 96 (20.60%) Data Analyst
3 73 (15.67%) Developer
4 66 (14.16%) Data Engineer
5 45 (9.66%) Architect
6 41 (8.80%) Hadoop Engineer
7 37 (7.94%) Business Analyst
8 34 (7.30%) Data Architect
9 32 (6.87%) Consultant
10 22 (4.72%) Java Developer
11 17 (3.65%) SQL Analyst
12 15 (3.22%) Data Manager
13 14 (3.00%) Data Business Analyst
13 14 (3.00%) Data Consultant
14 12 (2.58%) Business Intelligence Analyst
14 12 (2.58%) Data Scientist
15 9 (1.93%) Business Intelligence Developer
15 9 (1.93%) Data Quality Analyst
15 9 (1.93%) SC Cleared Java Developer
15 9 (1.93%) Senior Analyst
Libraries, Frameworks & Software Standards
1 74 (15.88%) Kafka
2 42 (9.01%) JSON
3 38 (8.15%) XML
4 35 (7.51%) REST
5 27 (5.79%) SOAP
6 23 (4.94%) HTML
7 22 (4.72%) Apache NiFi
7 22 (4.72%) JMS
8 11 (2.36%) CSS
9 10 (2.15%) Ajax
10 8 (1.72%) Flask
10 8 (1.72%) Web Services
11 6 (1.29%) XHTML
12 5 (1.07%) Django
12 5 (1.07%) HTML5
12 5 (1.07%) Natural Language Processing
12 5 (1.07%) RESTful
12 5 (1.07%) scikit-learn
13 4 (0.86%) NumPy
13 4 (0.86%) SciPy
Miscellaneous
1 87 (18.67%) Analytical Skills
2 35 (7.51%) Data Structures
3 25 (5.36%) Management Information System
4 21 (4.51%) Algorithms
4 21 (4.51%) NHS
5 16 (3.43%) Greenfield Project
6 14 (3.00%) Reference Data
6 14 (3.00%) User Experience
7 12 (2.58%) Linked Data
7 12 (2.58%) Virtual Team
8 11 (2.36%) Self-Motivation
9 9 (1.93%) Fixed Income
10 7 (1.50%) Credit Risk
10 7 (1.50%) Derivative
10 7 (1.50%) Over-the-Top Content
11 6 (1.29%) CMDB
12 5 (1.07%) Digital Media
12 5 (1.07%) Hedge funds
12 5 (1.07%) Life Science
12 5 (1.07%) Wiki
Operating Systems
1 44 (9.44%) Linux
2 14 (3.00%) Windows
3 12 (2.58%) Unix
4 6 (1.29%) Windows Server
5 5 (1.07%) Windows Server 2012
6 2 (0.43%) Solaris
7 1 (0.21%) VMS
Processes & Methodologies
1 160 (34.33%) Data Modelling
2 148 (31.76%) Agile Software Development
3 134 (28.76%) Analytics
4 109 (23.39%) Business Intelligence
5 108 (23.18%) ETL
6 103 (22.10%) Data Analysis
7 95 (20.39%) Migration
8 91 (19.53%) Data Science
9 89 (19.10%) Data Migration
10 83 (17.81%) Data Management
11 71 (15.24%) Data Governance
12 70 (15.02%) Problem-Solving
13 62 (13.30%) Machine Learning
14 52 (11.16%) Data Cleansing
15 45 (9.66%) Stakeholder Management
16 43 (9.23%) Data Integration
16 43 (9.23%) Data Transformation
17 42 (9.01%) Continuous Integration
18 41 (8.80%) Master Data Management
18 41 (8.80%) SQL Optimisation
Programming Languages
1 237 (50.86%) SQL
2 85 (18.24%) Python
3 44 (9.44%) Java
4 30 (6.44%) Bash Shell
5 27 (5.79%) C#
6 26 (5.58%) JavaScript
6 26 (5.58%) R
7 22 (4.72%) C++
7 22 (4.72%) Java 8
8 16 (3.43%) T-SQL
9 13 (2.79%) PL/SQL
10 12 (2.58%) VBA
11 10 (2.15%) MATLAB
12 7 (1.50%) Scala
13 6 (1.29%) Ruby
14 5 (1.07%) C
15 4 (0.86%) Apex Code
15 4 (0.86%) SOQL
16 2 (0.43%) Clojure
16 2 (0.43%) HiveQL
Qualifications
1 42 (9.01%) Security Cleared
2 37 (7.94%) SC Cleared
3 32 (6.87%) Degree
4 14 (3.00%) Computer Science Degree
5 12 (2.58%) CTC Cleared
6 6 (1.29%) ITIL Certification
7 4 (0.86%) PhD
8 3 (0.64%) Microsoft Certification
9 2 (0.43%) BC Cleared
9 2 (0.43%) BPSS Clearance
9 2 (0.43%) ISEB
9 2 (0.43%) Master's Degree
9 2 (0.43%) MBA
9 2 (0.43%) MCSA
10 1 (0.21%) DBS Check
10 1 (0.21%) DV Cleared
10 1 (0.21%) ECDL
10 1 (0.21%) Numerate Degree
10 1 (0.21%) Postgraduate
10 1 (0.21%) TOGAF Certification
Quality Assurance & Compliance
1 47 (10.09%) QA
2 14 (3.00%) GDPR
3 13 (2.79%) SLA
4 3 (0.64%) IFRS
4 3 (0.64%) IFRS 9
4 3 (0.64%) ISO/IEC 27001
5 2 (0.43%) Disclosure Scotland
5 2 (0.43%) HL7
5 2 (0.43%) MiFID
5 2 (0.43%) Solvency II
6 1 (0.21%) CDISC
6 1 (0.21%) COBIT
6 1 (0.21%) GCP
6 1 (0.21%) Government Security Classifications
6 1 (0.21%) ISO 9001
6 1 (0.21%) PMO
System Software
1 14 (3.00%) Docker
2 9 (1.93%) HDFS
3 8 (1.72%) Apache Flume
4 5 (1.07%) Active Directory
5 1 (0.21%) Virtual Machines
Systems Management
1 43 (9.23%) Oozie
2 33 (7.08%) Kubernetes
3 24 (5.15%) Ansible
4 8 (1.72%) Control-M
5 2 (0.43%) Hadoop YARN
6 1 (0.21%) Failover Clustering
6 1 (0.21%) Microsoft Clustering
Vendors
1 76 (16.31%) Oracle
2 56 (12.02%) Microsoft
3 48 (10.30%) Tableau
4 24 (5.15%) Informatica
4 24 (5.15%) SAP
5 16 (3.43%) Google
6 15 (3.22%) Salesforce.com
7 13 (2.79%) ServiceNow
8 7 (1.50%) Remedy
8 7 (1.50%) Talend
9 6 (1.29%) Hortonworks
10 5 (1.07%) Adobe
10 5 (1.07%) Murex
10 5 (1.07%) Sybase
11 4 (0.86%) BISAM
11 4 (0.86%) Cloudera
11 4 (0.86%) FactSet
11 4 (0.86%) Hyperion
11 4 (0.86%) Siebel
11 4 (0.86%) Workday