Period
to 24 May 2020

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 24 May 2020 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
24 May 2020
Same period 2019 Same period 2018
Rank 218 241 234
Rank change year-on-year +23 -7 +11
Contract jobs citing Data Quality 220 451 545
As % of all contract jobs advertised in London 1.11% 1.11% 1.19%
As % of the Quality Assurance & Compliance category 11.52% 11.05% 9.95%
Number of daily rates quoted 139 289 381
Median daily rate £525 £525 £523
Median daily rate % change year-on-year - +0.48% +10.00%
10th Percentile £250 £324 £325
90th Percentile £728 £638 £688
England median daily rate £500 £480 £488
% change year-on-year +4.17% -1.54% +8.33%
Number of hourly rates quoted 11 8 2
Median hourly rate £21.00 £28.75 £29.03
Median hourly rate % change year-on-year -26.96% -0.95% +1.24%
10th Percentile £16.00 £12.28 £17.67
90th Percentile £35.75 £42.13 £40.98
England median hourly rate £21.00 £18.85 £22.00
% change year-on-year +11.42% -14.33% +22.22%

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 1,909 4,083 5,476
As % of all contract IT jobs advertised in London 9.60% 10.07% 12.01%
Number of daily rates quoted 1,259 2,719 3,829
Median daily rate £500 £500 £488
Median daily rate % change year-on-year - +2.56% -
10th Percentile £307 £308 £301
90th Percentile £675 £675 £675
England median daily rate £450 £450 £450
Number of hourly rates quoted 42 64 85
Median hourly rate £30.22 £21.07 £23.00
Median hourly rate % change year-on-year +43.46% -8.41% +4.55%
10th Percentile £16.20 £12.15 £13.45
90th Percentile £45.43 £49.63 £53.50
Median hourly rate £27.30 £22.50 £22.50
% change year-on-year +21.33% - +6.79%

Data Quality
Job Vacancy Trend in London

Job postings citing Data Quality as a proportion of all IT jobs advertised in London.

Job vacancy trend for Data Quality in London

Data Quality
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Data Quality in London.

Daily rate trend for Data Quality in London

Data Quality
Daily Rate Histogram in London

Daily rate distribution for jobs citing Data Quality in London over the 6 months to 24 May 2020.

Daily rate histogram for Data Quality in London

Data Quality
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Data Quality in London.

Hourly rate trend for Data Quality in London

Data Quality
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Data Quality in London over the 6 months to 24 May 2020.

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 24 May 2020. 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 37 £450 -18.18% 4
West London +27 19 £260 -17.46% 4
North London - 2 £380 - 1
East London +44 1 £700 +47.37%
Data Quality
England

For the 6 months to 24 May 2020, 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 93 (42.27%) SQL
2 70 (31.82%) Finance
3 53 (24.09%) Analytics
4 50 (22.73%) Agile Software Development
5 49 (22.27%) Python
6 48 (21.82%) Data Modelling
7 45 (20.45%) Analytical Skills
8 44 (20.00%) Migration
9 43 (19.55%) Business Intelligence
9 43 (19.55%) Microsoft Excel
10 41 (18.64%) Relational Database
11 40 (18.18%) Java
11 40 (18.18%) Data Management
12 39 (17.73%) ETL
13 37 (16.82%) AWS
14 34 (15.45%) Data Analysis
14 34 (15.45%) Data Warehouse
14 34 (15.45%) Data Migration
15 33 (15.00%) Data Governance
16 28 (12.73%) Data Cleansing
17 26 (11.82%) SAP
17 26 (11.82%) R
18 23 (10.45%) Project Management
18 23 (10.45%) Software Engineering
18 23 (10.45%) Microservices
19 22 (10.00%) Protocol Buffers
19 22 (10.00%) Amazon RDS
19 22 (10.00%) Azure
19 22 (10.00%) Reference Data
19 22 (10.00%) Data Mapping

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 11 (5.00%) SAS
2 8 (3.64%) Apache Spark
3 5 (2.27%) Apache
3 5 (2.27%) IBM Transformation Extender
4 4 (1.82%) IBM Notes
5 3 (1.36%) Confluence
5 3 (1.36%) WebSphere
6 2 (0.91%) CMS
6 2 (0.91%) Jupyter
6 2 (0.91%) Oracle SOA Suite
6 2 (0.91%) SharePoint
7 1 (0.45%) Apache Airflow
7 1 (0.45%) IIS
7 1 (0.45%) NetWeaver
Applications
1 43 (19.55%) Microsoft Excel
2 11 (5.00%) Microsoft Office
3 10 (4.55%) Microsoft PowerPoint
4 3 (1.36%) MS Visio
5 1 (0.45%) Chatbot
5 1 (0.45%) SPSS
Business Applications
1 4 (1.82%) Dynamics CRM
2 3 (1.36%) Eloqua
3 2 (0.91%) Markit EDM
3 2 (0.91%) Oracle AML
3 2 (0.91%) Salesforce.com CRM
3 2 (0.91%) SAP S/4HANA
4 1 (0.45%) Infor M3
4 1 (0.45%) SAP BPC
4 1 (0.45%) SAP R/3
Cloud Services
1 37 (16.82%) AWS
2 22 (10.00%) Azure
3 12 (5.45%) Power Platform
4 10 (4.55%) GCP
5 5 (2.27%) Office 365
6 3 (1.36%) Azure Data Factory
6 3 (1.36%) Dynamics 365
6 3 (1.36%) G Suite
6 3 (1.36%) OpenShift
7 2 (0.91%) Amazon S3
7 2 (0.91%) Force.com
8 1 (0.45%) Adobe Analytics
8 1 (0.45%) Amazon EMR
8 1 (0.45%) Amazon SQS
8 1 (0.45%) Cloud Computing
8 1 (0.45%) GitHub
8 1 (0.45%) IaaS
8 1 (0.45%) NuGet
8 1 (0.45%) PaaS
8 1 (0.45%) SuccessFactors
Communications & Networking
1 4 (1.82%) DKIM
2 3 (1.36%) Firewall
2 3 (1.36%) Kerberos
2 3 (1.36%) VPN
3 1 (0.45%) HTTP
3 1 (0.45%) HTTPS
3 1 (0.45%) PuTTY
3 1 (0.45%) SMTP
3 1 (0.45%) SSL
Database & Business Intelligence
1 41 (18.64%) Relational Database
2 34 (15.45%) Data Warehouse
3 22 (10.00%) Amazon RDS
4 20 (9.09%) RDBMS
5 18 (8.18%) Amazon Aurora
6 16 (7.27%) SQL Server
7 14 (6.36%) Big Data
8 12 (5.45%) Power BI
9 10 (4.55%) NoSQL
10 8 (3.64%) BusinessObjects
10 8 (3.64%) Hadoop
10 8 (3.64%) SQL Server Integration Services
11 7 (3.18%) BigQuery
11 7 (3.18%) MS Access
12 6 (2.73%) Azure SQL Database
12 6 (2.73%) Data Mining
13 5 (2.27%) Amazon Redshift
13 5 (2.27%) Apache Hive
13 5 (2.27%) MongoDB
13 5 (2.27%) Snowflake Schema
Development Applications
1 8 (3.64%) JIRA
2 7 (3.18%) Git (software)
3 6 (2.73%) Subversion
4 3 (1.36%) Jenkins
4 3 (1.36%) JUnit
5 2 (0.91%) Bitbucket
5 2 (0.91%) Eclipse
5 2 (0.91%) ERwin
5 2 (0.91%) PowerDesigner
5 2 (0.91%) PROIV
6 1 (0.45%) Artifactory
6 1 (0.45%) Maven
6 1 (0.45%) Moq
6 1 (0.45%) SonarQube
6 1 (0.45%) Sonatype Nexus
6 1 (0.45%) Team Foundation Server
6 1 (0.45%) TeamCity
6 1 (0.45%) Visual Studio
General
1 70 (31.82%) Finance
2 15 (6.82%) Marketing
3 13 (5.91%) Banking
4 11 (5.00%) Public Sector
5 8 (3.64%) Investment Banking
6 6 (2.73%) Legal
6 6 (2.73%) Local Government
7 5 (2.27%) Retail
8 4 (1.82%) Advertising
8 4 (1.82%) Front Office
9 3 (1.36%) Manufacturing
9 3 (1.36%) Pharmaceutical
10 2 (0.91%) Electronics
10 2 (0.91%) German Language
10 2 (0.91%) Retail Banking
10 2 (0.91%) Telecoms
11 1 (0.45%) Back Office
11 1 (0.45%) Housing Association
11 1 (0.45%) Publishing
Job Titles
1 68 (30.91%) Analyst
2 51 (23.18%) Developer
3 35 (15.91%) Data Analyst
4 28 (12.73%) Business Analyst
4 28 (12.73%) SQL Developer
5 24 (10.91%) Consultant
6 18 (8.18%) AWS Developer
6 18 (8.18%) AWS Engineer
6 18 (8.18%) AWS Software Engineer
6 18 (8.18%) Developer/Software Engineer
6 18 (8.18%) Software Engineer
7 17 (7.73%) Java Developer
8 15 (6.82%) Architect
9 13 (5.91%) Data Business Analyst
9 13 (5.91%) Data Consultant
9 13 (5.91%) Java Engineer
9 13 (5.91%) Java Software Developer
9 13 (5.91%) Java Software Engineer
10 12 (5.45%) Data Architect
11 9 (4.09%) Data Engineer
Libraries, Frameworks & Software Standards
1 22 (10.00%) gRPC
1 22 (10.00%) Protocol Buffers
1 22 (10.00%) Web Services
2 9 (4.09%) XML
3 8 (3.64%) REST
4 6 (2.73%) JSON
4 6 (2.73%) Kafka
5 5 (2.27%) RESTful
6 4 (1.82%) Apache Beam
6 4 (1.82%) Elastic Stack
6 4 (1.82%) Matplotlib
6 4 (1.82%) Pandas
7 3 (1.36%) Bokeh
7 3 (1.36%) JPA
7 3 (1.36%) LDAP
7 3 (1.36%) NumPy
7 3 (1.36%) OAuth
7 3 (1.36%) pytest
7 3 (1.36%) Spring
7 3 (1.36%) Spring Boot
Miscellaneous
1 45 (20.45%) Analytical Skills
2 22 (10.00%) Management Information System
2 22 (10.00%) Reference Data
3 19 (8.64%) Data Structures
4 8 (3.64%) Algorithms
5 5 (2.27%) User Experience
6 4 (1.82%) Enterprise Software
7 3 (1.36%) CMDB
7 3 (1.36%) Credit Risk
7 3 (1.36%) Foreign Exchange (FX)
7 3 (1.36%) NHS
7 3 (1.36%) Taxonomies
8 2 (0.91%) Data Centre
8 2 (0.91%) Enterprise Cloud
8 2 (0.91%) LLPG
8 2 (0.91%) Public Cloud
9 1 (0.45%) Greenfield Project
9 1 (0.45%) Hybrid Cloud
9 1 (0.45%) OTC Derivatives
9 1 (0.45%) Self-Motivation
Operating Systems
1 7 (3.18%) Windows
2 6 (2.73%) Linux
3 3 (1.36%) Unix
4 1 (0.45%) Windows Server
Processes & Methodologies
1 53 (24.09%) Analytics
2 50 (22.73%) Agile Software Development
3 48 (21.82%) Data Modelling
4 44 (20.00%) Migration
5 43 (19.55%) Business Intelligence
6 40 (18.18%) Data Management
7 39 (17.73%) ETL
8 34 (15.45%) Data Analysis
8 34 (15.45%) Data Migration
9 33 (15.00%) Data Governance
10 28 (12.73%) Data Cleansing
11 23 (10.45%) Microservices
11 23 (10.45%) Project Management
11 23 (10.45%) Software Engineering
12 22 (10.00%) Data Architecture
12 22 (10.00%) Data Mapping
13 21 (9.55%) Asset Management
13 21 (9.55%) Visualisation
14 19 (8.64%) Problem-Solving
15 18 (8.18%) Stakeholder Management
Programming Languages
1 93 (42.27%) SQL
2 49 (22.27%) Python
3 40 (18.18%) Java
4 26 (11.82%) R
5 12 (5.45%) T-SQL
6 11 (5.00%) VBA
7 6 (2.73%) PL/SQL
8 4 (1.82%) Bash Shell
8 4 (1.82%) Go
8 4 (1.82%) Ruby
8 4 (1.82%) VB
9 3 (1.36%) C++
9 3 (1.36%) Java 8
9 3 (1.36%) Scala
10 2 (0.91%) Apex Code
10 2 (0.91%) C#
11 1 (0.45%) C
11 1 (0.45%) JavaScript
11 1 (0.45%) Perl
11 1 (0.45%) PowerShell
Qualifications
1 20 (9.09%) Degree
2 11 (5.00%) Security Cleared
3 7 (3.18%) SC Cleared
4 4 (1.82%) CISM
5 3 (1.36%) DV Cleared
5 3 (1.36%) Master's Degree
5 3 (1.36%) Numerate Degree
6 2 (0.91%) BPSS Clearance
6 2 (0.91%) Microsoft Certification
7 1 (0.45%) AWS Certification
7 1 (0.45%) Computer Science Degree
7 1 (0.45%) DBS Check
7 1 (0.45%) ITIL Certification
7 1 (0.45%) MBA
7 1 (0.45%) PMP
7 1 (0.45%) SAP Certification
Quality Assurance & Compliance
1 14 (6.36%) QA
2 8 (3.64%) SLA
3 6 (2.73%) GDPR
4 4 (1.82%) COBIT
5 2 (0.91%) Basel II
5 2 (0.91%) PMO
5 2 (0.91%) Sarbanes-Oxley
6 1 (0.45%) CDISC
6 1 (0.45%) GMP
6 1 (0.45%) Good Clinical Practice
6 1 (0.45%) IFRS
6 1 (0.45%) IFRS 9
6 1 (0.45%) ISO/IEC 27001
6 1 (0.45%) WCAG
System Software
1 3 (1.36%) Docker
1 3 (1.36%) HDFS
2 1 (0.45%) Active Directory
2 1 (0.45%) Oracle Clusterware
2 1 (0.45%) Oracle RAC
Systems Management
1 6 (2.73%) Kubernetes
2 3 (1.36%) Ambari
2 3 (1.36%) Hadoop YARN
2 3 (1.36%) Microsoft Intune
2 3 (1.36%) Oozie
2 3 (1.36%) Single Sign-On
3 2 (0.91%) Ansible
3 2 (0.91%) Puppet
4 1 (0.45%) Control-M
4 1 (0.45%) Data Guard
4 1 (0.45%) Docker Swarm
4 1 (0.45%) ITRS Geneos
4 1 (0.45%) Kibana
4 1 (0.45%) Mesos
4 1 (0.45%) Oracle Flashback
4 1 (0.45%) Oracle RMAN
4 1 (0.45%) Rancher
4 1 (0.45%) SCCM
4 1 (0.45%) Terraform
Vendors
1 26 (11.82%) SAP
2 22 (10.00%) Oracle
3 21 (9.55%) Microsoft
4 12 (5.45%) IBM
5 11 (5.00%) Tableau
6 9 (4.09%) Salesforce.com
7 8 (3.64%) Google
8 7 (3.18%) Alteryx
9 5 (2.27%) Informatica
10 4 (1.82%) Lotus
10 4 (1.82%) Pardot
10 4 (1.82%) Remedy
10 4 (1.82%) Talend
10 4 (1.82%) TIBCO
11 3 (1.36%) Atlassian
11 3 (1.36%) Cloudera
11 3 (1.36%) Hortonworks
11 3 (1.36%) Marketo
11 3 (1.36%) Teradata
12 2 (0.91%) Serena