Period
to 5 March 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 5 March 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
5 Mar 2021
Same period 2020 Same period 2019
Rank 186 245 268
Rank change year-on-year +59 +23 -3
Contract jobs citing Data Quality 288 279 452
As % of all contract jobs advertised in London 1.43% 0.99% 1.03%
As % of the Quality Assurance & Compliance category 13.61% 10.48% 9.93%
Number of daily rates quoted 222 203 321
Median daily rate £500 £525 £500
Median daily rate % change year-on-year -4.76% +5.00% -
10th Percentile £326 £303 £300
90th Percentile £656 £675 £631
England median daily rate £500 £490 £475
% change year-on-year +2.04% +3.16% +2.70%
Number of hourly rates quoted 3 3 4
Median hourly rate £20.00 £32.45 £22.44
Median hourly rate % change year-on-year -38.37% +44.61% -45.60%
England median hourly rate £21.00 £20.31 £20.25
% change year-on-year +3.42% +0.30% -6.92%

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 2,116 2,661 4,554
As % of all contract IT jobs advertised in London 10.52% 9.48% 10.39%
Number of daily rates quoted 1,429 1,900 3,136
Median daily rate £500 £485 £500
Median daily rate % change year-on-year +3.20% -3.10% +2.56%
10th Percentile £310 £300 £290
90th Percentile £675 £663 £675
England median daily rate £475 £450 £450
% change year-on-year +5.56% - -
Number of hourly rates quoted 10 47 66
Median hourly rate £23.11 £25.68 £21.34
Median hourly rate % change year-on-year -10.01% +20.34% +6.70%
10th Percentile £17.15 £13.00 £10.63
90th Percentile £50.60 £47.96 £43.75
Median hourly rate £21.05 £23.00 £20.68
% change year-on-year -8.48% +11.25% +0.36%

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 5 March 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 5 March 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 5 March 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 +63 32 £475 -6.63% 8
West London +49 23 £622 +50.73% 3
East London +34 2 £500 -16.67% 4
South London - 2 £388 -
Data Quality
England

For the 6 months to 5 March 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.

1 106 (36.81%) SQL
2 98 (34.03%) Data Modelling
3 90 (31.25%) Data Management
4 83 (28.82%) Finance
5 75 (26.04%) Agile Software Development
6 71 (24.65%) Azure
7 62 (21.53%) Data Analysis
8 61 (21.18%) Data Governance
9 60 (20.83%) Business Intelligence
10 56 (19.44%) Analytics
11 55 (19.10%) Analytical Skills
12 53 (18.40%) Data Architecture
13 51 (17.71%) ETL
13 51 (17.71%) Python
14 45 (15.63%) Data Warehouse
15 42 (14.58%) SQL Server
16 38 (13.19%) Power BI
16 38 (13.19%) Power Platform
17 37 (12.85%) Data Integration
18 36 (12.50%) Big Data
18 36 (12.50%) Change Management
18 36 (12.50%) Data Lake
19 35 (12.15%) Master Data Management
20 34 (11.81%) Microsoft
21 31 (10.76%) Microsoft Excel
22 30 (10.42%) Marketing
22 30 (10.42%) AWS
23 29 (10.07%) Banking
23 29 (10.07%) Migration
24 27 (9.38%) PostgreSQL

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 19 (6.60%) Apache Spark
2 14 (4.86%) Apache Airflow
3 6 (2.08%) SAS
4 4 (1.39%) IIS
4 4 (1.39%) SharePoint
5 3 (1.04%) Apache
5 3 (1.04%) Apache Solr
6 2 (0.69%) Confluence
7 1 (0.35%) Apache Pig
7 1 (0.35%) ArcGIS
7 1 (0.35%) Oracle SOA Suite
7 1 (0.35%) Papyrus
7 1 (0.35%) Tornado
Applications
1 31 (10.76%) Microsoft Excel
2 6 (2.08%) Spreadsheet
3 3 (1.04%) Microsoft Office
4 2 (0.69%) Microsoft PowerPoint
4 2 (0.69%) SPSS
5 1 (0.35%) Chatbot
5 1 (0.35%) MS Visio
Business Applications
1 5 (1.74%) Dynamics CRM
2 3 (1.04%) Adobe Campaign
2 3 (1.04%) Salesforce.com CRM
3 1 (0.35%) HFM
3 1 (0.35%) iTrent
3 1 (0.35%) NetSuite
3 1 (0.35%) Oracle BPM
3 1 (0.35%) SAP MDG
3 1 (0.35%) SAP MDM
3 1 (0.35%) SAP S/4HANA
3 1 (0.35%) Sparx Enterprise Architect
3 1 (0.35%) Workfront
Cloud Services
1 71 (24.65%) Azure
2 38 (13.19%) Power Platform
3 30 (10.42%) AWS
4 15 (5.21%) Serverless
5 12 (4.17%) GCP
6 10 (3.47%) iPaaS
7 9 (3.13%) PaaS
8 8 (2.78%) Azure Data Factory
9 7 (2.43%) AWS Lambda
10 5 (1.74%) SuccessFactors
11 4 (1.39%) Adobe Analytics
11 4 (1.39%) Amazon S3
12 3 (1.04%) Dynamics 365
12 3 (1.04%) Salesforce Service Cloud
13 2 (0.69%) Azure Machine Learning
14 1 (0.35%) Azure Stack
14 1 (0.35%) Boomi
14 1 (0.35%) Microsoft 365
14 1 (0.35%) SaaS
Communications & Networking
1 3 (1.04%) DMARC
1 3 (1.04%) DNS
1 3 (1.04%) Internet
1 3 (1.04%) SMS
1 3 (1.04%) SMTP
Database & Business Intelligence
1 45 (15.63%) Data Warehouse
2 42 (14.58%) SQL Server
3 38 (13.19%) Power BI
4 36 (12.50%) Big Data
4 36 (12.50%) Data Lake
5 27 (9.38%) PostgreSQL
6 20 (6.94%) SQL Server Integration Services
7 17 (5.90%) Tableau
8 13 (4.51%) Hadoop
8 13 (4.51%) QlikView
9 11 (3.82%) Data Mining
10 9 (3.13%) Relational Database
11 8 (2.78%) Pentaho
11 8 (2.78%) Qlik Sense
12 7 (2.43%) BusinessObjects
12 7 (2.43%) RDBMS
13 6 (2.08%) Apache Hive
13 6 (2.08%) PowerCenter
14 5 (1.74%) NoSQL
14 5 (1.74%) SQL Server Reporting Services
Development Applications
1 15 (5.21%) kappa
2 14 (4.86%) PowerDesigner
3 8 (2.78%) SQL Server Management Studio (SSMS)
4 6 (2.08%) JIRA
4 6 (2.08%) MLflow
5 5 (1.74%) ERwin
6 3 (1.04%) Cucumber
6 3 (1.04%) Cypress.io
6 3 (1.04%) JUnit
6 3 (1.04%) Mockito
6 3 (1.04%) Selenium
6 3 (1.04%) Toad
7 2 (0.69%) Artifactory
7 2 (0.69%) Bitbucket
7 2 (0.69%) Git (software)
8 1 (0.35%) Eclipse
8 1 (0.35%) Jenkins
8 1 (0.35%) LSMW
8 1 (0.35%) Oracle APEX
General
1 83 (28.82%) Finance
2 30 (10.42%) Marketing
3 29 (10.07%) Banking
4 21 (7.29%) Public Sector
5 11 (3.82%) Manufacturing
6 10 (3.47%) Retail
7 9 (3.13%) Investment Banking
7 9 (3.13%) Telecoms
8 8 (2.78%) Electronics
9 6 (2.08%) Pharmaceutical
10 3 (1.04%) Billing
10 3 (1.04%) Corporate Banking
10 3 (1.04%) Front Office
10 3 (1.04%) Legal
11 2 (0.69%) Games
12 1 (0.35%) Advertising
12 1 (0.35%) General Ledger
12 1 (0.35%) International Banking
12 1 (0.35%) Law
12 1 (0.35%) Local Government
Job Titles
1 88 (30.56%) Analyst
2 60 (20.83%) Architect
3 52 (18.06%) Data Analyst
4 50 (17.36%) Data Architect
5 29 (10.07%) Data Engineer
6 19 (6.60%) Solutions Architect
7 16 (5.56%) Developer
7 16 (5.56%) SQL Analyst
8 14 (4.86%) Business Analyst
9 10 (3.47%) Azure Architect
9 10 (3.47%) SQL Data Analyst
9 10 (3.47%) Systems Analyst
10 9 (3.13%) Data Scientist
11 8 (2.78%) Administrator
11 8 (2.78%) Consultant
11 8 (2.78%) Data Modeller
11 8 (2.78%) Power BI Analyst
11 8 (2.78%) QlikView Analyst
11 8 (2.78%) Splunk Engineer
11 8 (2.78%) SSIS Analyst
Libraries, Frameworks & Software Standards
1 11 (3.82%) Web Services
2 10 (3.47%) Kafka
3 9 (3.13%) React
4 6 (2.08%) Pandas
4 6 (2.08%) PyTorch
4 6 (2.08%) TensorFlow
5 5 (1.74%) REST
6 4 (1.39%) JSON
6 4 (1.39%) Keras
6 4 (1.39%) Middleware
6 4 (1.39%) NumPy
6 4 (1.39%) scikit-learn
7 3 (1.04%) CoreNLP
7 3 (1.04%) HTML
7 3 (1.04%) jQuery
7 3 (1.04%) Lucene
7 3 (1.04%) Natural Language Processing
7 3 (1.04%) SOAP
7 3 (1.04%) Spring
8 2 (0.69%) RESTful
Miscellaneous
1 55 (19.10%) Analytical Skills
2 24 (8.33%) Reference Data
3 15 (5.21%) Data Structures
3 15 (5.21%) Management Information System
4 10 (3.47%) Algorithms
4 10 (3.47%) Data Centre
5 9 (3.13%) NHS
5 9 (3.13%) Virtual Team
6 7 (2.43%) Derivative
6 7 (2.43%) Reinsurance
7 6 (2.08%) Self-Motivation
8 5 (1.74%) Analytical Mindset
9 3 (1.04%) Greenfield Project
9 3 (1.04%) Hedge funds
9 3 (1.04%) Marketing Technology
9 3 (1.04%) Mobile App
9 3 (1.04%) OTC Derivatives
9 3 (1.04%) SWIFT
10 2 (0.69%) Public Cloud
10 2 (0.69%) User Experience
Operating Systems
1 4 (1.39%) Unix
2 3 (1.04%) Android
2 3 (1.04%) Apple iOS
2 3 (1.04%) Linux
2 3 (1.04%) Windows
3 1 (0.35%) Windows Server
Processes & Methodologies
1 98 (34.03%) Data Modelling
2 90 (31.25%) Data Management
3 75 (26.04%) Agile Software Development
4 62 (21.53%) Data Analysis
5 61 (21.18%) Data Governance
6 60 (20.83%) Business Intelligence
7 56 (19.44%) Analytics
8 53 (18.40%) Data Architecture
9 51 (17.71%) ETL
10 37 (12.85%) Data Integration
11 36 (12.50%) Change Management
12 35 (12.15%) Master Data Management
13 29 (10.07%) Migration
14 26 (9.03%) Logical Data Model
14 26 (9.03%) Requirements Gathering
15 25 (8.68%) Physical Data Model
16 24 (8.33%) Data Strategy
17 23 (7.99%) Business Analysis
17 23 (7.99%) Stakeholder Management
18 22 (7.64%) CRM
Programming Languages
1 106 (36.81%) SQL
2 51 (17.71%) Python
3 20 (6.94%) R
4 15 (5.21%) JavaScript
5 12 (4.17%) T-SQL
6 11 (3.82%) Java
7 5 (1.74%) Scala
8 4 (1.39%) C
9 3 (1.04%) Apex Code
9 3 (1.04%) Apple Swift
9 3 (1.04%) ES6
9 3 (1.04%) Java 8
9 3 (1.04%) PL/SQL
9 3 (1.04%) Shell Script
9 3 (1.04%) SOQL
9 3 (1.04%) TypeScript
9 3 (1.04%) VBA
10 2 (0.69%) VB
Qualifications
1 20 (6.94%) Security Cleared
2 18 (6.25%) Degree
2 18 (6.25%) SC Cleared
3 7 (2.43%) Computer Science Degree
4 6 (2.08%) ITIL Certification
5 2 (0.69%) PMP
6 1 (0.35%) BPSS Clearance
6 1 (0.35%) ECDL
6 1 (0.35%) ISTQB
6 1 (0.35%) PMI Certification
6 1 (0.35%) Postgraduate
Quality Assurance & Compliance
1 11 (3.82%) QA
2 6 (2.08%) GDPR
3 4 (1.39%) SLA
4 3 (1.04%) COREP
4 3 (1.04%) FINREP
5 2 (0.69%) IFRS
5 2 (0.69%) PMO
6 1 (0.35%) PCI DSS
System Software
1 6 (2.08%) HDFS
2 3 (1.04%) Docker
3 2 (0.69%) ISA Server
4 1 (0.35%) Apache Flume
Systems Management
1 9 (3.13%) Puppet
2 2 (0.69%) Kubernetes
3 1 (0.35%) Kibana
3 1 (0.35%) SCCM
Vendors
1 34 (11.81%) Microsoft
2 24 (8.33%) Oracle
3 23 (7.99%) Databricks
4 22 (7.64%) Informatica
5 21 (7.29%) SAP
6 16 (5.56%) Salesforce.com
7 14 (4.86%) BiZZdesign
8 11 (3.82%) MuleSoft
9 10 (3.47%) Adobe
9 10 (3.47%) Splunk
9 10 (3.47%) Zscaler
10 4 (1.39%) Alteryx
10 4 (1.39%) Google
10 4 (1.39%) mParticle
10 4 (1.39%) Workday
11 3 (1.04%) Facebook
11 3 (1.04%) Talend
11 3 (1.04%) Tealium
11 3 (1.04%) YouTube
12 2 (0.69%) StreamSets