Period
to 24 July 2021

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 July 2021 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 Jul 2021
Same period 2020 Same period 2019
Rank 169 216 255
Rank change year-on-year +47 +39 -17
Contract jobs citing Data Quality 491 182 435
As % of all contract jobs advertised in London 1.65% 1.12% 1.07%
As % of the Quality Assurance & Compliance category 13.55% 9.97% 9.98%
Number of daily rates quoted 307 114 288
10th Percentile £361 £283 £325
25th Percentile £445 £428 £413
Median daily rate (50th Percentile) £550 £525 £500
Median % change year-on-year +4.76% +5.00% -
75th Percentile £642 £629 £575
90th Percentile £714 £723 £641
England median daily rate £513 £525 £475
% change year-on-year -2.38% +10.53% -
Number of hourly rates quoted 9 11 9
10th Percentile £20.09 £15.94 £11.70
25th Percentile £21.25 £17.64 £12.50
Median hourly rate £27.50 £21.00 £23.00
Median % change year-on-year +30.95% -8.70% -20.76%
75th Percentile £38.75 £31.82 £28.00
90th Percentile £40.48 £35.75 £41.00
England median hourly rate £21.78 £20.57 £22.96
% change year-on-year +5.88% -10.40% +9.32%

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 3,624 1,825 4,359
As % of all contract IT jobs advertised in London 12.17% 11.24% 10.74%
Number of daily rates quoted 2,463 1,260 3,035
10th Percentile £325 £306 £301
25th Percentile £415 £406 £390
Median daily rate (50th Percentile) £525 £500 £500
Median % change year-on-year +5.00% - +5.26%
75th Percentile £625 £588 £588
90th Percentile £700 £650 £675
England median daily rate £482 £475 £450
% change year-on-year +1.47% +5.56% -
Number of hourly rates quoted 38 36 52
10th Percentile £14.40 £15.97 £12.50
25th Percentile £20.00 £20.75 £15.00
Median hourly rate £25.75 £31.83 £21.09
Median % change year-on-year -19.10% +50.92% -15.64%
75th Percentile £37.56 £45.25 £28.00
90th Percentile £46.41 £54.88 £42.69
England median hourly rate £21.00 £24.80 £22.00
% change year-on-year -15.31% +12.72% +0.46%

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 July 2021.

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 July 2021.

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 July 2021. 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 -6 46 £543 -1.36% 18
West London -10 10 £630 +20.00% 8
East London +5 3 £212 -34.77% 10
South London - 3 £425 - 3
Data Quality
England

For the 6 months to 24 July 2021, 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.

1 179 (36.46%) SQL
2 170 (34.62%) Data Modelling
2 170 (34.62%) Social Skills
3 146 (29.74%) Finance
4 143 (29.12%) Agile Software Development
5 139 (28.31%) Data Management
6 108 (22.00%) Data Governance
7 101 (20.57%) Analytics
8 97 (19.76%) Python
9 95 (19.35%) Azure
10 92 (18.74%) Metadata
11 90 (18.33%) Business Intelligence
12 86 (17.52%) ETL
13 83 (16.90%) Migration
14 82 (16.70%) Data Warehouse
15 76 (15.48%) Data Architecture
16 75 (15.27%) Data Analysis
17 70 (14.26%) Data Cleansing
18 65 (13.24%) Data Migration
19 61 (12.42%) Banking
19 61 (12.42%) Master Data Management
19 61 (12.42%) Big Data
20 60 (12.22%) AWS
21 58 (11.81%) Java
22 57 (11.61%) DevOps
22 57 (11.61%) Analytical Skills
23 54 (11.00%) Visualisation
24 51 (10.39%) Microsoft
24 51 (10.39%) Data Pipeline
25 48 (9.78%) SQL Server

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 37 (7.54%) Apache Spark
2 12 (2.44%) Apache Airflow
3 9 (1.83%) SAS
4 6 (1.22%) SharePoint
5 5 (1.02%) Confluence
6 3 (0.61%) Appian
7 2 (0.41%) Apache Solr
7 2 (0.41%) CMS
8 1 (0.20%) Adobe Experience Manager
8 1 (0.20%) Apache
8 1 (0.20%) Apache Pig
8 1 (0.20%) ArcGIS
8 1 (0.20%) Elasticsearch
8 1 (0.20%) IIS
8 1 (0.20%) Oracle SOA Suite
8 1 (0.20%) Oracle Workflow
8 1 (0.20%) Tomcat
Applications
1 40 (8.15%) Microsoft Excel
2 16 (3.26%) Microsoft Office
3 9 (1.83%) Microsoft PowerPoint
4 7 (1.43%) Spreadsheet
5 3 (0.61%) MS Visio
6 2 (0.41%) Microsoft Project
7 1 (0.20%) Open Workbench
7 1 (0.20%) SPSS
Business Applications
1 21 (4.28%) SAP S/4HANA
2 7 (1.43%) Dynamics CRM
3 6 (1.22%) Adobe Campaign
3 6 (1.22%) Salesforce.com CRM
4 3 (0.61%) Cerner Millennium
4 3 (0.61%) NetSuite
5 2 (0.41%) SAP ERP
5 2 (0.41%) SAP HCM
5 2 (0.41%) SAP MDG
6 1 (0.20%) Oracle BPM
6 1 (0.20%) Oracle EBS R12
6 1 (0.20%) Oracle Payables
6 1 (0.20%) Oracle Receivables
6 1 (0.20%) PeopleSoft HCM
6 1 (0.20%) SAP FI
6 1 (0.20%) SAP FI-CA
6 1 (0.20%) SAP FI-GL
6 1 (0.20%) SAP MM
6 1 (0.20%) SAP SD
6 1 (0.20%) Sparx Enterprise Architect
Cloud Services
1 95 (19.35%) Azure
2 60 (12.22%) AWS
3 47 (9.57%) Power Platform
4 38 (7.74%) Serverless
5 28 (5.70%) AWS Lambda
6 26 (5.30%) Azure Data Factory
7 22 (4.48%) Collibra
8 20 (4.07%) Amazon S3
8 20 (4.07%) GCP
9 17 (3.46%) Azure Synapse Analytics
10 16 (3.26%) PaaS
11 14 (2.85%) AWS Step Functions
12 12 (2.44%) Amazon CloudWatch
12 12 (2.44%) Amazon EC2
12 12 (2.44%) Amazon EKS
12 12 (2.44%) Route 53
13 11 (2.24%) Amazon ECS
13 11 (2.24%) Amazon SQS
14 9 (1.83%) IaaS
14 9 (1.83%) Snowflake
Communications & Networking
1 6 (1.22%) SMS
2 5 (1.02%) DMARC
2 5 (1.02%) DNS
2 5 (1.02%) SMTP
3 1 (0.20%) HTTP
3 1 (0.20%) Internet
Database & Business Intelligence
1 92 (18.74%) Metadata
2 82 (16.70%) Data Warehouse
3 61 (12.42%) Big Data
4 48 (9.78%) SQL Server
5 47 (9.57%) Data Lake
6 46 (9.37%) Power BI
7 37 (7.54%) PostgreSQL
8 30 (6.11%) Hadoop
9 26 (5.30%) Tableau
10 25 (5.09%) NoSQL
11 22 (4.48%) SQL Server Integration Services
12 20 (4.07%) Relational Database
13 17 (3.46%) Apache Hive
14 15 (3.05%) BigQuery
15 14 (2.85%) Azure SQL Database
15 14 (2.85%) Data Mining
15 14 (2.85%) Looker
16 10 (2.04%) HBase
16 10 (2.04%) MySQL
17 8 (1.63%) Flink
Development Applications
1 16 (3.26%) kappa
1 16 (3.26%) PowerDesigner
2 14 (2.85%) JIRA
3 11 (2.24%) Visual Studio Team System
4 10 (2.04%) Git (software)
4 10 (2.04%) Visual Studio
4 10 (2.04%) webpack
5 6 (1.22%) ERwin
5 6 (1.22%) SQL Server Management Studio (SSMS)
6 5 (1.02%) Cucumber
6 5 (1.02%) Cypress.io
6 5 (1.02%) JUnit
6 5 (1.02%) Mockito
6 5 (1.02%) Selenium
7 4 (0.81%) Artifactory
7 4 (0.81%) Bitbucket
8 3 (0.61%) ER Studio
8 3 (0.61%) MLflow
8 3 (0.61%) Toad
9 2 (0.41%) Jenkins
General
1 170 (34.62%) Social Skills
2 146 (29.74%) Finance
3 61 (12.42%) Banking
4 57 (11.61%) Analytical Skills
5 37 (7.54%) Marketing
6 28 (5.70%) Presentation Skills
7 27 (5.50%) Manufacturing
8 19 (3.87%) Public Sector
9 18 (3.67%) Telecoms
10 16 (3.26%) Investment Banking
11 14 (2.85%) Legal
12 11 (2.24%) Retail
13 10 (2.04%) Documentation Skills
13 10 (2.04%) Influencing Skills
14 8 (1.63%) Advertising
14 8 (1.63%) Law
15 7 (1.43%) Electronics
16 6 (1.22%) Financial Institution
16 6 (1.22%) Front Office
17 5 (1.02%) Games
Job Titles
1 126 (25.66%) Analyst
2 92 (18.74%) Data Analyst
3 82 (16.70%) Architect
4 72 (14.66%) Data Architect
5 67 (13.65%) Data Engineer
6 40 (8.15%) Consultant
7 39 (7.94%) Developer
8 21 (4.28%) Business Analyst
9 19 (3.87%) Azure Architect
9 19 (3.87%) Java Developer
10 17 (3.46%) Data Consultant
10 17 (3.46%) Data Manager
10 17 (3.46%) Functional Consultant
10 17 (3.46%) Solutions Architect
11 15 (3.05%) SAP Consultant
11 15 (3.05%) SQL Analyst
12 14 (2.85%) AWS Developer
12 14 (2.85%) SQL Data Analyst
13 13 (2.65%) SAP Functional Consultant
13 13 (2.65%) SAP S/4HANA Consultant
Libraries, Frameworks & Software Standards
1 30 (6.11%) Kafka
2 19 (3.87%) React
3 18 (3.67%) CSS
4 14 (2.85%) Node.js
4 14 (2.85%) RESTful
5 13 (2.65%) PySpark
6 11 (2.24%) GraphQL
6 11 (2.24%) gRPC
6 11 (2.24%) JSON
7 10 (2.04%) LitElement
7 10 (2.04%) REST
7 10 (2.04%) Web Services
8 9 (1.83%) HTML
9 8 (1.63%) Spark Streaming
9 8 (1.63%) Spring
9 8 (1.63%) XML
10 7 (1.43%) Pandas
10 7 (1.43%) SOAP
11 5 (1.02%) CSS3
11 5 (1.02%) NumPy
Miscellaneous
1 28 (5.70%) Reference Data
2 22 (4.48%) Data Structures
3 20 (4.07%) Management Information System
4 16 (3.26%) Virtual Team
5 15 (3.05%) Taxonomies
6 14 (2.85%) Algorithms
7 11 (2.24%) Hybrid Cloud
8 10 (2.04%) Data Centre
8 10 (2.04%) NHS
9 8 (1.63%) Fixed Income
10 6 (1.22%) Marketing Technology
10 6 (1.22%) Self-Motivation
11 5 (1.02%) CMDB
11 5 (1.02%) Enterprise Software
11 5 (1.02%) Legacy Applications
12 4 (0.81%) Legacy Systems
12 4 (0.81%) Mobile App
12 4 (0.81%) Social Media
12 4 (0.81%) User Experience
13 3 (0.61%) Data Protection Act
Operating Systems
1 13 (2.65%) Unix
2 7 (1.43%) Windows
3 5 (1.02%) Linux
4 3 (0.61%) Windows 10
Processes & Methodologies
1 170 (34.62%) Data Modelling
2 143 (29.12%) Agile Software Development
3 139 (28.31%) Data Management
4 108 (22.00%) Data Governance
5 101 (20.57%) Analytics
6 90 (18.33%) Business Intelligence
7 86 (17.52%) ETL
8 83 (16.90%) Migration
9 76 (15.48%) Data Architecture
10 75 (15.27%) Data Analysis
11 70 (14.26%) Data Cleansing
12 65 (13.24%) Data Migration
13 61 (12.42%) Master Data Management
14 57 (11.61%) DevOps
15 54 (11.00%) Visualisation
16 51 (10.39%) Data Pipeline
17 48 (9.78%) Data Integration
18 45 (9.16%) Data Lineage
18 45 (9.16%) Project Management
19 44 (8.96%) Validation
Programming Languages
1 179 (36.46%) SQL
2 97 (19.76%) Python
3 58 (11.81%) Java
4 27 (5.50%) R
5 22 (4.48%) JavaScript
6 20 (4.07%) T-SQL
7 17 (3.46%) Scala
8 10 (2.04%) C#
8 10 (2.04%) PL/SQL
9 8 (1.63%) CQL
10 6 (1.22%) Perl
10 6 (1.22%) TypeScript
11 5 (1.02%) ES6
11 5 (1.02%) Java 8
12 4 (0.81%) C
12 4 (0.81%) Shell Script
12 4 (0.81%) VBA
13 3 (0.61%) Groovy
13 3 (0.61%) PowerShell
14 2 (0.41%) SPARQL
Qualifications
1 34 (6.92%) Degree
2 33 (6.72%) Security Cleared
3 20 (4.07%) SC Cleared
4 7 (1.43%) Computer Science Degree
5 5 (1.02%) Master's Degree
6 3 (0.61%) ACCA
6 3 (0.61%) BPSS Clearance
6 3 (0.61%) CIMA
7 2 (0.41%) ISEB
8 1 (0.20%) CTC Cleared
8 1 (0.20%) ISEB Practitioner
8 1 (0.20%) ISTQB
8 1 (0.20%) ITIL Certification
Quality Assurance & Compliance
1 40 (8.15%) QA
2 31 (6.31%) GDPR
3 9 (1.83%) MiFID
4 8 (1.63%) PMO
5 6 (1.22%) ISO/IEC 27001
5 6 (1.22%) SLA
6 2 (0.41%) COREP
6 2 (0.41%) FINREP
6 2 (0.41%) GRC
6 2 (0.41%) IFRS
7 1 (0.20%) Actionable Recommendations
7 1 (0.20%) HL7
7 1 (0.20%) PCI DSS
7 1 (0.20%) Sarbanes-Oxley
7 1 (0.20%) SNOMED CT
System Software
1 13 (2.65%) Docker
2 4 (0.81%) ISA Server
3 3 (0.61%) HDFS
4 2 (0.41%) Active Directory
Systems Management
1 17 (3.46%) Kubernetes
2 6 (1.22%) Microsoft Intune
3 4 (0.81%) Core Impact
3 4 (0.81%) Puppet
4 2 (0.41%) Kibana
4 2 (0.41%) Terraform
5 1 (0.20%) Ansible
5 1 (0.20%) Kubeflow
5 1 (0.20%) logstash
5 1 (0.20%) Opscode Chef
5 1 (0.20%) SCCM
Vendors
1 51 (10.39%) Microsoft
2 48 (9.78%) SAP
3 43 (8.76%) Oracle
4 41 (8.35%) Informatica
5 36 (7.33%) Databricks
6 28 (5.70%) Salesforce.com
7 22 (4.48%) Google
8 17 (3.46%) MuleSoft
9 16 (3.26%) Adobe
9 16 (3.26%) BiZZdesign
10 10 (2.04%) CA
10 10 (2.04%) ServiceNow
11 9 (1.83%) Teradata
12 8 (1.63%) Alteryx
12 8 (1.63%) IBM
13 6 (1.22%) Talend
14 5 (1.02%) HubSpot
14 5 (1.02%) Splunk
14 5 (1.02%) Workday
14 5 (1.02%) Zscaler