Period
to 1 October 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 1 October 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
1 Oct 2020
Same period 2019 Same period 2018
Rank 200 256 274
Rank change year-on-year +56 +18 -46
Contract jobs citing Data Quality 169 392 453
As % of all contract jobs advertised in London 1.25% 1.02% 0.99%
As % of the Quality Assurance & Compliance category 12.60% 10.81% 9.35%
Number of daily rates quoted 93 259 331
Median daily rate £525 £480 £500
Median daily rate % change year-on-year +9.38% -4.00% +5.26%
10th Percentile £337 £318 £313
90th Percentile £688 £653 £650
England median daily rate £500 £463 £475
% change year-on-year +8.11% -2.63% +2.98%
Number of hourly rates quoted 9 8 4
Median hourly rate £21.00 £22.75 £22.44
Median hourly rate % change year-on-year -7.69% +1.38% -55.12%
10th Percentile £15.99 £11.67 £16.69
90th Percentile £38.08 £34.60 £31.66
England median hourly rate £21.75 £27.94 £22.00
% change year-on-year -22.15% +27.00% +12.82%

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 1,341 3,626 4,844
As % of all contract IT jobs advertised in London 9.92% 9.47% 10.63%
Number of daily rates quoted 829 2,455 3,458
Median daily rate £500 £490 £475
Median daily rate % change year-on-year +2.04% +3.16% -2.56%
10th Percentile £302 £282 £300
90th Percentile £650 £670 £663
England median daily rate £470 £450 £450
% change year-on-year +4.44% - -
Number of hourly rates quoted 19 56 73
Median hourly rate £27.99 £18.17 £25.00
Median hourly rate % change year-on-year +54.05% -27.32% +14.16%
10th Percentile £15.99 £12.25 £12.60
90th Percentile £51.06 £36.88 £57.50
Median hourly rate £26.96 £21.42 £22.00
% change year-on-year +25.89% -2.66% +10.00%

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 1 October 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 1 October 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 1 October 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 +60 22 £575 +4.55% 14
West London +63 19 £525 +45.83% 3
East London +54 3 £325 -24.86% 2
Data Quality
England

For the 6 months to 1 October 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 77 (45.56%) SQL
2 58 (34.32%) Data Modelling
3 51 (30.18%) Finance
4 48 (28.40%) Data Governance
5 47 (27.81%) Analytical Skills
6 45 (26.63%) Agile Software Development
7 44 (26.04%) Analytics
8 40 (23.67%) Data Management
9 36 (21.30%) Data Analysis
9 36 (21.30%) Python
10 35 (20.71%) Migration
11 33 (19.53%) Relational Database
12 32 (18.93%) Data Warehouse
13 31 (18.34%) Microsoft Excel
14 30 (17.75%) Business Intelligence
15 27 (15.98%) Data Lake
16 26 (15.38%) Master Data Management
17 25 (14.79%) ETL
17 25 (14.79%) Microsoft
17 25 (14.79%) Data Architecture
18 24 (14.20%) Data Migration
18 24 (14.20%) SQL Server
19 22 (13.02%) Java
19 22 (13.02%) Azure
20 20 (11.83%) Asset Management
21 19 (11.24%) Data Cleansing
21 19 (11.24%) Reference Data
22 17 (10.06%) Security Cleared
22 17 (10.06%) RDBMS
22 17 (10.06%) Big Data

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 7 (4.14%) Confluence
2 4 (2.37%) SharePoint
3 3 (1.78%) Apache
3 3 (1.78%) Elasticsearch
3 3 (1.78%) IIS
4 2 (1.18%) Apache Airflow
4 2 (1.18%) Apache Spark
4 2 (1.18%) SAS
5 1 (0.59%) CMS
5 1 (0.59%) Mule
5 1 (0.59%) NetWeaver
5 1 (0.59%) Papyrus
5 1 (0.59%) WildFly
5 1 (0.59%) WordPress
Applications
1 31 (18.34%) Microsoft Excel
2 11 (6.51%) Microsoft PowerPoint
3 5 (2.96%) Microsoft Office
4 2 (1.18%) MS Visio
4 2 (1.18%) Spreadsheet
Business Applications
1 5 (2.96%) Northgate Housing
2 3 (1.78%) Dynamics CRM
3 2 (1.18%) SAP S/4HANA
3 2 (1.18%) Sparx Enterprise Architect
4 1 (0.59%) Oracle AML
4 1 (0.59%) Raiser's Edge
4 1 (0.59%) SAP BPC
Cloud Services
1 22 (13.02%) Azure
2 16 (9.47%) AWS
2 16 (9.47%) Power Platform
3 4 (2.37%) GCP
3 4 (2.37%) PowerApps
4 3 (1.78%) OpenShift
5 2 (1.18%) Adobe Analytics
5 2 (1.18%) G Suite
5 2 (1.18%) Power Automate
5 2 (1.18%) SaaS
6 1 (0.59%) Amazon S3
6 1 (0.59%) Amazon SQS
6 1 (0.59%) Azure Active Directory
6 1 (0.59%) Azure Data Factory
6 1 (0.59%) Azure Stack
6 1 (0.59%) Boomi
6 1 (0.59%) Dynamics 365
6 1 (0.59%) iPaaS
6 1 (0.59%) OneDrive
6 1 (0.59%) Salesforce Sales Cloud
Communications & Networking
1 1 (0.59%) Internet
1 1 (0.59%) PuTTY
1 1 (0.59%) SMTP
Database & Business Intelligence
1 33 (19.53%) Relational Database
2 32 (18.93%) Data Warehouse
3 27 (15.98%) Data Lake
4 24 (14.20%) SQL Server
5 17 (10.06%) Big Data
5 17 (10.06%) RDBMS
6 15 (8.88%) Power BI
7 13 (7.69%) Amazon Aurora
8 12 (7.10%) Amazon RDS
8 12 (7.10%) MS Access
9 11 (6.51%) SQL Server Integration Services
10 10 (5.92%) NoSQL
11 5 (2.96%) BusinessObjects
12 4 (2.37%) Data Mining
12 4 (2.37%) Enterprise Data Warehouse
12 4 (2.37%) Hadoop
12 4 (2.37%) PowerCenter
12 4 (2.37%) QlikView
12 4 (2.37%) SQL Server Reporting Services
13 3 (1.78%) CouchDB
Development Applications
1 13 (7.69%) JIRA
2 6 (3.55%) GitLab
3 4 (2.37%) Git (software)
3 4 (2.37%) Jenkins
4 3 (1.78%) JUnit
5 2 (1.18%) Team Foundation Server
6 1 (0.59%) Eclipse
6 1 (0.59%) ERwin
6 1 (0.59%) Maven
6 1 (0.59%) ProC
6 1 (0.59%) XMLSpy
General
1 51 (30.18%) Finance
2 16 (9.47%) Banking
3 12 (7.10%) Public Sector
4 7 (4.14%) Marketing
5 6 (3.55%) Investment Banking
6 5 (2.96%) Local Government
7 4 (2.37%) Front Office
8 3 (1.78%) Manufacturing
8 3 (1.78%) Retail
8 3 (1.78%) Telecoms
9 2 (1.18%) Electronics
9 2 (1.18%) German Language
9 2 (1.18%) Pharmaceutical
10 1 (0.59%) Back Office
10 1 (0.59%) International Banking
10 1 (0.59%) Legal
10 1 (0.59%) Retail Banking
Job Titles
1 46 (27.22%) Analyst
2 36 (21.30%) Architect
3 28 (16.57%) Data Architect
3 28 (16.57%) Developer
4 24 (14.20%) Data Analyst
5 15 (8.88%) Business Analyst
5 15 (8.88%) SQL Developer
6 13 (7.69%) Software Engineer
7 12 (7.10%) AWS Developer
7 12 (7.10%) AWS Engineer
7 12 (7.10%) AWS Software Engineer
7 12 (7.10%) Data Engineer
7 12 (7.10%) Developer/Software Engineer
8 10 (5.92%) Python Developer
9 9 (5.33%) Consultant
10 8 (4.73%) Data Scientist
10 8 (4.73%) Java Engineer
11 7 (4.14%) Java Developer
11 7 (4.14%) Java Software Developer
11 7 (4.14%) Java Software Engineer
Libraries, Frameworks & Software Standards
1 14 (8.28%) Web Services
2 12 (7.10%) gRPC
2 12 (7.10%) Protocol Buffers
3 5 (2.96%) Kafka
3 5 (2.96%) RESTful
4 4 (2.37%) Spring
5 3 (1.78%) JPA
5 3 (1.78%) pytest
5 3 (1.78%) Spring Boot
5 3 (1.78%) XML
6 2 (1.18%) HTML
6 2 (1.18%) jQuery
7 1 (0.59%) Hibernate
7 1 (0.59%) Java EE
7 1 (0.59%) JSON
7 1 (0.59%) JSR 170
7 1 (0.59%) LAMP
7 1 (0.59%) Middleware
7 1 (0.59%) React
7 1 (0.59%) Velocity
Miscellaneous
1 47 (27.81%) Analytical Skills
2 19 (11.24%) Reference Data
3 15 (8.88%) Management Information System
4 13 (7.69%) Greenfield Project
5 8 (4.73%) Data Structures
6 7 (4.14%) User Experience
7 5 (2.96%) Algorithms
7 5 (2.96%) Derivative
7 5 (2.96%) FMCG
7 5 (2.96%) Self-Motivation
8 4 (2.37%) Credit Risk
9 3 (1.78%) Hedge funds
9 3 (1.78%) OTC Derivatives
10 2 (1.18%) Taxonomies
10 2 (1.18%) Virtual Team
11 1 (0.59%) Cloud Native
11 1 (0.59%) Life Science
11 1 (0.59%) NHS
11 1 (0.59%) Pharmacovigilance
11 1 (0.59%) Reinsurance
Operating Systems
1 2 (1.18%) Android
1 2 (1.18%) Apple iOS
1 2 (1.18%) Linux
1 2 (1.18%) Unix
2 1 (0.59%) Windows
Processes & Methodologies
1 58 (34.32%) Data Modelling
2 48 (28.40%) Data Governance
3 45 (26.63%) Agile Software Development
4 44 (26.04%) Analytics
5 40 (23.67%) Data Management
6 36 (21.30%) Data Analysis
7 35 (20.71%) Migration
8 30 (17.75%) Business Intelligence
9 26 (15.38%) Master Data Management
10 25 (14.79%) Data Architecture
10 25 (14.79%) ETL
11 24 (14.20%) Data Migration
12 20 (11.83%) Asset Management
13 19 (11.24%) Data Cleansing
14 17 (10.06%) Data Science
15 16 (9.47%) Data Integration
15 16 (9.47%) Problem-Solving
16 14 (8.28%) Machine Learning
16 14 (8.28%) User Acceptance Testing
16 14 (8.28%) Visualisation
Programming Languages
1 77 (45.56%) SQL
2 36 (21.30%) Python
3 22 (13.02%) Java
4 14 (8.28%) R
5 6 (3.55%) VBA
6 5 (2.96%) T-SQL
7 4 (2.37%) JavaScript
8 3 (1.78%) Java 8
8 3 (1.78%) VB
9 2 (1.18%) Apple Swift
9 2 (1.18%) Data Analysis Expressions (DAX)
9 2 (1.18%) PL/SQL
10 1 (0.59%) ABAP
10 1 (0.59%) C#
10 1 (0.59%) C++
10 1 (0.59%) PHP
10 1 (0.59%) Scala
Qualifications
1 17 (10.06%) Security Cleared
2 15 (8.88%) Degree
3 13 (7.69%) SC Cleared
4 4 (2.37%) CTC Cleared
5 2 (1.18%) BPSS Clearance
5 2 (1.18%) ISEB
5 2 (1.18%) ITIL Certification
5 2 (1.18%) Numerate Degree
6 1 (0.59%) CISM
6 1 (0.59%) Computer Science Degree
6 1 (0.59%) DBS Check
6 1 (0.59%) Master's Degree
6 1 (0.59%) Microsoft Certification
6 1 (0.59%) SAP Certification
6 1 (0.59%) TOGAF Certification
Quality Assurance & Compliance
1 13 (7.69%) QA
2 10 (5.92%) GDPR
3 2 (1.18%) Sarbanes-Oxley
4 1 (0.59%) COBIT
4 1 (0.59%) COREP
4 1 (0.59%) FINREP
4 1 (0.59%) GMP
4 1 (0.59%) PMO
4 1 (0.59%) SLA
System Software
1 2 (1.18%) Active Directory
2 1 (0.59%) HDFS
Systems Management
1 4 (2.37%) Kubernetes
2 2 (1.18%) HP Quality Center
3 1 (0.59%) Ansible
3 1 (0.59%) Control-M
3 1 (0.59%) Grafana
3 1 (0.59%) Kibana
3 1 (0.59%) Prometheus
Vendors
1 25 (14.79%) Microsoft
2 16 (9.47%) Oracle
3 10 (5.92%) Databricks
3 10 (5.92%) Informatica
3 10 (5.92%) Tableau
4 8 (4.73%) SAP
4 8 (4.73%) Talend
5 6 (3.55%) Alteryx
6 5 (2.96%) Google
6 5 (2.96%) Northgate
6 5 (2.96%) Salesforce.com
7 4 (2.37%) Adobe
8 2 (1.18%) HP
8 2 (1.18%) Sparx
8 2 (1.18%) Tealium
8 2 (1.18%) Teradata
9 1 (0.59%) CrowdStrike
9 1 (0.59%) ForeScout
9 1 (0.59%) Workday
9 1 (0.59%) Zuora