Period
to 16 October 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 16 October 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
16 Oct 2021
Same period 2020 Same period 2019
Rank 166 194 255
Rank change year-on-year +28 +61 +18
Contract jobs citing Data Quality 603 173 372
As % of all contract jobs advertised in London 1.71% 1.25% 1.01%
As % of the Quality Assurance & Compliance category 13.96% 11.09% 9.58%
Number of daily rates quoted 387 102 252
10th Percentile £396 £301 £313
25th Percentile £475 £413 £413
Median daily rate (50th Percentile) £560 £525 £478
Median % change year-on-year +6.67% +9.95% -2.55%
75th Percentile £665 £600 £575
90th Percentile £757 £686 £650
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% -
Number of hourly rates quoted 11 2 7
10th Percentile £21.25 £28.64 £11.64
25th Percentile £25.75 £31.11 £12.13
Median hourly rate £32.50 £37.46 £23.00
Median % change year-on-year -13.23% +62.86% +9.52%
75th Percentile £42.56 £45.04 £28.00
90th Percentile £57.50 £48.25 £36.80
England median hourly rate £25.75 £23.43 £28.00
% change year-on-year +9.90% -16.32% +43.59%

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 4,321 1,560 3,882
As % of all contract IT jobs advertised in London 12.26% 11.31% 10.49%
Number of daily rates quoted 2,993 1,063 2,700
10th Percentile £330 £303 £288
25th Percentile £425 £400 £380
Median daily rate (50th Percentile) £540 £500 £488
Median % change year-on-year +8.00% +2.56% +2.63%
75th Percentile £638 £588 £575
90th Percentile £725 £663 £663
England median daily rate £500 £473 £450
% change year-on-year +5.82% +5.00% -
Number of hourly rates quoted 43 8 52
10th Percentile £16.08 £14.29 £12.00
25th Percentile £20.06 £17.22 £13.00
Median hourly rate £27.00 £21.00 £18.17
Median % change year-on-year +28.57% +15.58% -9.43%
75th Percentile £33.88 £34.34 £28.00
90th Percentile £49.32 £51.40 £39.65
England median hourly rate £20.15 £22.25 £20.75
% change year-on-year -9.45% +7.23% -1.19%

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 16 October 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 16 October 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 16 October 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 -20 64 £550 -4.35% 37
West London -25 8 £603 +14.76% 11
Data Quality
England

For the 6 months to 16 October 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.

1 229 (37.98%) SQL
2 212 (35.16%) Social Skills
3 190 (31.51%) Data Management
4 184 (30.51%) Data Modelling
5 179 (29.68%) Finance
6 174 (28.86%) Agile Software Development
7 142 (23.55%) Analytics
8 129 (21.39%) Python
9 126 (20.90%) Business Intelligence
10 122 (20.23%) Data Governance
11 117 (19.40%) ETL
12 106 (17.58%) Metadata
13 105 (17.41%) Data Warehouse
14 102 (16.92%) Data Analysis
15 101 (16.75%) Azure
16 96 (15.92%) Banking
17 92 (15.26%) Analytical Skills
18 90 (14.93%) Microsoft
19 88 (14.59%) Migration
20 86 (14.26%) Data Cleansing
21 85 (14.10%) Data Architecture
21 85 (14.10%) Big Data
22 79 (13.10%) AWS
22 79 (13.10%) Informatica
23 76 (12.60%) Project Management
23 76 (12.60%) Data Lineage
23 76 (12.60%) Power Platform
24 74 (12.27%) Power BI
24 74 (12.27%) Visualisation
25 72 (11.94%) Data Migration

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 57 (9.45%) Apache Spark
2 13 (2.16%) SAS
3 11 (1.82%) Appian
4 10 (1.66%) SharePoint
5 9 (1.49%) Apache Airflow
5 9 (1.49%) Confluence
6 6 (1.00%) Apache
7 3 (0.50%) Jupyter
8 2 (0.33%) Apache Pig
8 2 (0.33%) Camunda
8 2 (0.33%) CMS
8 2 (0.33%) Documentum
9 1 (0.17%) ArcGIS
9 1 (0.17%) Elasticsearch
9 1 (0.17%) Luigi
9 1 (0.17%) Oracle Workflow
Applications
1 60 (9.95%) Microsoft Excel
2 38 (6.30%) Microsoft PowerPoint
3 18 (2.99%) Microsoft Office
4 13 (2.16%) Microsoft Project
5 6 (1.00%) Spreadsheet
6 5 (0.83%) MS Visio
7 3 (0.50%) Open Workbench
8 1 (0.17%) SPSS
Business Applications
1 23 (3.81%) SAP S/4HANA
2 6 (1.00%) Salesforce.com CRM
3 5 (0.83%) Dynamics CRM
3 5 (0.83%) Markit EDM
3 5 (0.83%) NetSuite
4 4 (0.66%) Oracle Receivables
4 4 (0.66%) SAP CO
4 4 (0.66%) SAP FI
4 4 (0.66%) SAP FI/CO
5 3 (0.50%) Oracle Subledger Accounting
6 2 (0.33%) SAP MDG
6 2 (0.33%) SAP Oil and Gas
6 2 (0.33%) SAP PM
7 1 (0.17%) IBM Planning Analytics
7 1 (0.17%) Maximo
7 1 (0.17%) Oracle EBS R12
7 1 (0.17%) Oracle ERP
7 1 (0.17%) SAP ERP
7 1 (0.17%) SAP FI-GL
7 1 (0.17%) SAP HCM
Cloud Services
1 101 (16.75%) Azure
2 79 (13.10%) AWS
3 76 (12.60%) Power Platform
4 39 (6.47%) Collibra
5 38 (6.30%) Serverless
6 31 (5.14%) GCP
7 29 (4.81%) AWS Lambda
8 26 (4.31%) Azure Data Factory
9 25 (4.15%) Amazon S3
10 19 (3.15%) AWS Step Functions
11 16 (2.65%) Amazon CloudWatch
11 16 (2.65%) Amazon EC2
11 16 (2.65%) PaaS
11 16 (2.65%) Route 53
12 15 (2.49%) Amazon ECS
12 15 (2.49%) Amazon EKS
12 15 (2.49%) Amazon SQS
13 11 (1.82%) IaaS
14 9 (1.49%) Azure Cosmos DB
15 7 (1.16%) Snowflake
Communications & Networking
1 2 (0.33%) Network Security
2 1 (0.17%) HTTP
2 1 (0.17%) Internet
2 1 (0.17%) Intranet
2 1 (0.17%) TCP/IP
Database & Business Intelligence
1 106 (17.58%) Metadata
2 105 (17.41%) Data Warehouse
3 85 (14.10%) Big Data
4 74 (12.27%) Power BI
5 43 (7.13%) Tableau
6 42 (6.97%) Data Lake
7 41 (6.80%) Hadoop
7 41 (6.80%) SQL Server
8 30 (4.98%) NoSQL
8 30 (4.98%) SQL Server Integration Services
9 28 (4.64%) Relational Database
10 27 (4.48%) BigQuery
11 25 (4.15%) QlikView
12 24 (3.98%) PostgreSQL
13 20 (3.32%) Looker
13 20 (3.32%) Qlik Sense
14 18 (2.99%) HBase
15 17 (2.82%) Apache Cassandra
15 17 (2.82%) MySQL
15 17 (2.82%) SAP HANA
Development Applications
1 19 (3.15%) JIRA
2 14 (2.32%) webpack
3 12 (1.99%) Visual Studio Team System
4 11 (1.82%) Git (software)
5 10 (1.66%) Visual Studio
6 8 (1.33%) kappa
6 8 (1.33%) PowerDesigner
7 6 (1.00%) MLflow
8 4 (0.66%) Eclipse
8 4 (0.66%) ER Studio
9 2 (0.33%) Artifactory
9 2 (0.33%) Bitbucket
9 2 (0.33%) ERwin
9 2 (0.33%) Jenkins
9 2 (0.33%) ProC
9 2 (0.33%) Zephyr
10 1 (0.17%) SQL Server Management Studio (SSMS)
10 1 (0.17%) Subversion
10 1 (0.17%) Toad
General
1 212 (35.16%) Social Skills
2 179 (29.68%) Finance
3 96 (15.92%) Banking
4 92 (15.26%) Analytical Skills
5 37 (6.14%) Marketing
6 36 (5.97%) Presentation Skills
7 33 (5.47%) Manufacturing
8 26 (4.31%) Investment Banking
8 26 (4.31%) Telecoms
9 23 (3.81%) Influencing Skills
10 20 (3.32%) Public Sector
11 18 (2.99%) Legal
12 14 (2.32%) Front Office
13 12 (1.99%) Electronics
13 12 (1.99%) Retail
14 9 (1.49%) Organisational Skills
15 8 (1.33%) Publishing
16 7 (1.16%) Aerospace
16 7 (1.16%) Documentation Skills
16 7 (1.16%) Law
Job Titles
1 152 (25.21%) Analyst
2 118 (19.57%) Data Analyst
3 99 (16.42%) Data Engineer
4 71 (11.77%) Architect
5 56 (9.29%) Data Architect
6 50 (8.29%) Consultant
6 50 (8.29%) Developer
7 32 (5.31%) Business Analyst
8 29 (4.81%) Data Consultant
9 19 (3.15%) SQL Analyst
10 18 (2.99%) SQL Data Analyst
11 17 (2.82%) Data Business Analyst
11 17 (2.82%) Functional Consultant
11 17 (2.82%) Java Developer
11 17 (2.82%) Power BI Analyst
11 17 (2.82%) SAP Consultant
12 16 (2.65%) Data Quality Analyst
12 16 (2.65%) Project Manager
13 15 (2.49%) AWS Developer
14 14 (2.32%) Python Engineer
Libraries, Frameworks & Software Standards
1 38 (6.30%) Kafka
2 24 (3.98%) CSS
3 22 (3.65%) React
4 20 (3.32%) PySpark
5 19 (3.15%) Node.js
6 16 (2.65%) HTML
6 16 (2.65%) JSON
6 16 (2.65%) Web Services
7 15 (2.49%) GraphQL
7 15 (2.49%) gRPC
7 15 (2.49%) RESTful
8 14 (2.32%) LitElement
9 13 (2.16%) Spark Streaming
10 11 (1.82%) XML
11 8 (1.33%) NumPy
11 8 (1.33%) Pandas
12 7 (1.16%) REST
13 6 (1.00%) D3.js
13 6 (1.00%) HTML5
14 5 (0.83%) AngularJS
Miscellaneous
1 41 (6.80%) Taxonomies
2 38 (6.30%) Management Information System
3 34 (5.64%) Reference Data
4 24 (3.98%) Algorithms
5 20 (3.32%) Data Structures
6 16 (2.65%) Virtual Team
7 15 (2.49%) Hybrid Cloud
8 12 (1.99%) User Experience
9 11 (1.82%) Market Risk
10 10 (1.66%) Data Centre
10 10 (1.66%) Derivative
10 10 (1.66%) Foreign Exchange (FX)
11 9 (1.49%) Fixed Income
11 9 (1.49%) Legacy Applications
12 8 (1.33%) CMDB
12 8 (1.33%) Equities
12 8 (1.33%) Self-Motivation
13 7 (1.16%) Enterprise Software
13 7 (1.16%) NHS
13 7 (1.16%) Social Media
Operating Systems
1 7 (1.16%) Linux
1 7 (1.16%) Windows
2 6 (1.00%) Unix
3 2 (0.33%) Red Hat Enterprise Linux
3 2 (0.33%) Windows Server
4 1 (0.17%) Windows 10
Processes & Methodologies
1 190 (31.51%) Data Management
2 184 (30.51%) Data Modelling
3 174 (28.86%) Agile Software Development
4 142 (23.55%) Analytics
5 126 (20.90%) Business Intelligence
6 122 (20.23%) Data Governance
7 117 (19.40%) ETL
8 102 (16.92%) Data Analysis
9 88 (14.59%) Migration
10 86 (14.26%) Data Cleansing
11 85 (14.10%) Data Architecture
12 76 (12.60%) Data Lineage
12 76 (12.60%) Project Management
13 74 (12.27%) Visualisation
14 72 (11.94%) Data Migration
15 70 (11.61%) DevOps
16 68 (11.28%) Data Integration
17 62 (10.28%) Problem-Solving
18 61 (10.12%) Data Engineering
19 54 (8.96%) Data Science
Programming Languages
1 229 (37.98%) SQL
2 129 (21.39%) Python
3 59 (9.78%) Java
4 31 (5.14%) R
5 27 (4.48%) JavaScript
5 27 (4.48%) T-SQL
6 21 (3.48%) Scala
7 14 (2.32%) VBA
8 12 (1.99%) PL/SQL
9 9 (1.49%) C#
9 9 (1.49%) CQL
10 7 (1.16%) Perl
10 7 (1.16%) PowerShell
10 7 (1.16%) SPARQL
11 6 (1.00%) C
12 4 (0.66%) Julia
12 4 (0.66%) MATLAB
13 3 (0.50%) HiveQL
14 2 (0.33%) Data Analysis Expressions (DAX)
14 2 (0.33%) XQuery
Qualifications
1 59 (9.78%) Degree
2 32 (5.31%) Security Cleared
3 14 (2.32%) SC Cleared
4 11 (1.82%) Computer Science Degree
5 10 (1.66%) Master's Degree
6 9 (1.49%) ACCA
6 9 (1.49%) CIMA
7 6 (1.00%) BPSS Clearance
8 2 (0.33%) Numerate Degree
8 2 (0.33%) Postgraduate
9 1 (0.17%) AWS Certification
9 1 (0.17%) CTC Cleared
9 1 (0.17%) DV Cleared
9 1 (0.17%) ISEB
9 1 (0.17%) ISTQB
9 1 (0.17%) ITIL Certification
9 1 (0.17%) MCSA
9 1 (0.17%) MCSE
9 1 (0.17%) Microsoft Certification
Quality Assurance & Compliance
1 51 (8.46%) QA
2 47 (7.79%) GDPR
3 29 (4.81%) MiFID
4 14 (2.32%) PMO
5 6 (1.00%) SLA
6 3 (0.50%) ISO/IEC 27001
7 2 (0.33%) Sarbanes-Oxley
8 1 (0.17%) Actionable Recommendations
8 1 (0.17%) AIFMD
8 1 (0.17%) GMP
8 1 (0.17%) GRC
8 1 (0.17%) HL7
8 1 (0.17%) IFRS
8 1 (0.17%) PCI DSS
8 1 (0.17%) SNOMED CT
8 1 (0.17%) Solvency II
System Software
1 20 (3.32%) Docker
2 1 (0.17%) Active Directory
2 1 (0.17%) HDFS
2 1 (0.17%) VMware Infrastructure
Systems Management
1 22 (3.65%) Kubernetes
2 7 (1.16%) Microsoft Intune
3 5 (0.83%) Terraform
4 3 (0.50%) Core Impact
5 2 (0.33%) Puppet
5 2 (0.33%) Rundeck
6 1 (0.17%) Ansible
6 1 (0.17%) Control-M
6 1 (0.17%) Kibana
6 1 (0.17%) Kubeflow
6 1 (0.17%) logstash
6 1 (0.17%) Microsoft Clustering
6 1 (0.17%) Opscode Chef
Vendors
1 90 (14.93%) Microsoft
2 79 (13.10%) Informatica
3 62 (10.28%) SAP
4 45 (7.46%) Oracle
5 38 (6.30%) Google
6 36 (5.97%) Salesforce.com
7 31 (5.14%) Databricks
8 17 (2.82%) Alteryx
9 14 (2.32%) Teradata
10 13 (2.16%) CA
11 12 (1.99%) ServiceNow
12 10 (1.66%) IBM
13 8 (1.33%) Adobe
13 8 (1.33%) BiZZdesign
13 8 (1.33%) MuleSoft
14 7 (1.16%) Sybase
14 7 (1.16%) Talend
15 6 (1.00%) Bloomberg
15 6 (1.00%) Trillium
16 5 (0.83%) Red Hat