Period
to

The following table provides summary statistics for contract job vacancies advertised in the City of 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 23 May 2022 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
Central London > City of London
6 months to
23 May 2022
Same period 2021 Same period 2020
Rank 137 114 125
Rank change year-on-year -23 +11 +13
Contract jobs citing Data Quality 52 36 34
As % of all contract jobs advertised in the City of London 1.25% 1.27% 1.07%
As % of the Quality Assurance & Compliance category 8.00% 9.81% 9.09%
Number of daily rates quoted 36 28 26
10th Percentile £372 £336 £208
25th Percentile £472 £426 £308
Median daily rate (50th Percentile) £575 £481 £425
Median % change year-on-year +19.48% +13.24% -22.73%
75th Percentile £747 £550 £588
90th Percentile £823 £621 £619
Central London median daily rate £575 £488 £425
% change year-on-year +17.95% +14.71% -22.73%
Number of hourly rates quoted 1 1 0
10th Percentile - - -
25th Percentile £59.25 £21.25 -
Median hourly rate £60.50 £22.50 -
Median % change year-on-year +168.89% - -
75th Percentile £61.75 £23.75 -
90th Percentile - - -
Central London median hourly rate £60.50 £22.50 -
% change year-on-year +168.89% - -

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 the City of London with a requirement for quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
City of London
Contract vacancies with a requirement for quality assurance or compliance skills 650 367 374
As % of all contract IT jobs advertised in the City of London 15.67% 12.91% 11.80%
Number of daily rates quoted 424 251 260
10th Percentile £351 £334 £241
25th Percentile £462 £413 £396
Median daily rate (50th Percentile) £563 £520 £485
Median % change year-on-year +8.17% +7.22% -7.62%
75th Percentile £650 £616 £575
90th Percentile £775 £738 £638
Central London median daily rate £563 £520 £475
% change year-on-year +8.17% +9.47% -5.00%
Number of hourly rates quoted 4 4 9
10th Percentile £19.13 £14.08 £17.96
25th Percentile £23.06 £14.19 £26.75
Median hourly rate £43.50 £17.25 £38.50
Median % change year-on-year +152.17% -55.19% +118.01%
75th Percentile £61.94 £22.81 £47.75
90th Percentile £62.28 £23.38 £61.25
Central London median hourly rate £41.50 £17.25 £38.48
% change year-on-year +140.58% -55.17% +117.87%

Data Quality
Job Vacancy Trend in the City of London

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

Job vacancy trend for Data Quality in the City of London

Data Quality
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Data Quality in the City of London

Data Quality
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Quality in the City of London over the 6 months to 23 May 2022.

Daily rate histogram for Data Quality in the City of London

Data Quality
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Data Quality in the City of London

For the 6 months to 23 May 2022, 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 City of London region with a requirement for Data Quality.

1 26 (50.00%) SQL
2 23 (44.23%) Data Modelling
3 18 (34.62%) Data Governance
4 17 (32.69%) Agile
5 16 (30.77%) Data Analysis
6 15 (28.85%) Finance
6 15 (28.85%) ETL
6 15 (28.85%) Business Intelligence
6 15 (28.85%) AWS
7 14 (26.92%) Data Management
8 13 (25.00%) Analytics
9 11 (21.15%) Relational Database
9 11 (21.15%) Apache Spark
10 10 (19.23%) Data Engineering
10 10 (19.23%) NoSQL
10 10 (19.23%) Data Integration
10 10 (19.23%) Banking
10 10 (19.23%) JIRA
11 9 (17.31%) RDBMS
11 9 (17.31%) Visualisation
11 9 (17.31%) Big Data
11 9 (17.31%) Power BI
11 9 (17.31%) Power Platform
12 8 (15.38%) Analytical Skills
12 8 (15.38%) Kafka
12 8 (15.38%) Amazon S3
12 8 (15.38%) Social Skills
13 7 (13.46%) CI/CD
13 7 (13.46%) MongoDB
13 7 (13.46%) Jenkins

Data Quality
Co-occurring IT Skills in the City of 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 (21.15%) Apache Spark
2 4 (7.69%) SharePoint
3 3 (5.77%) Apache Airflow
4 1 (1.92%) Apache
4 1 (1.92%) Jupyter
4 1 (1.92%) SAS
Applications
1 4 (7.69%) Microsoft Excel
2 1 (1.92%) Microsoft Project
Business Applications
1 1 (1.92%) Eikon
Cloud Services
1 15 (28.85%) AWS
2 9 (17.31%) Power Platform
3 8 (15.38%) Amazon S3
4 5 (9.62%) Azure
5 3 (5.77%) Amazon EMR
6 2 (3.85%) Amazon EC2
6 2 (3.85%) Snowflake
7 1 (1.92%) AWS Lambda
7 1 (1.92%) Azure Data Factory
7 1 (1.92%) Collibra
7 1 (1.92%) GCP
7 1 (1.92%) PaaS
7 1 (1.92%) Serverless
Communications & Networking
1 2 (3.85%) Internet
Database & Business Intelligence
1 11 (21.15%) Relational Database
2 10 (19.23%) NoSQL
3 9 (17.31%) Big Data
3 9 (17.31%) Power BI
3 9 (17.31%) RDBMS
4 7 (13.46%) MongoDB
4 7 (13.46%) Parquet
5 6 (11.54%) Data Vault
6 5 (9.62%) Metadata
6 5 (9.62%) Tableau
7 4 (7.69%) Data Warehouse
7 4 (7.69%) SQL Server
8 3 (5.77%) Amazon Redshift
9 2 (3.85%) Amazon Athena
9 2 (3.85%) Data Lake
9 2 (3.85%) Data Mining
9 2 (3.85%) Impala
9 2 (3.85%) MySQL
9 2 (3.85%) ThoughtSpot
10 1 (1.92%) Ataccama
Development Applications
1 10 (19.23%) JIRA
2 7 (13.46%) Jenkins
3 6 (11.54%) Git (software)
4 2 (3.85%) Team Foundation Server
5 1 (1.92%) Deequ
5 1 (1.92%) ERwin
5 1 (1.92%) GitLab
5 1 (1.92%) Maven
General
1 15 (28.85%) Finance
2 10 (19.23%) Banking
3 8 (15.38%) Analytical Skills
3 8 (15.38%) Social Skills
4 3 (5.77%) Documentation Skills
5 2 (3.85%) Front Office
5 2 (3.85%) Influencing Skills
5 2 (3.85%) Legal
5 2 (3.85%) Organisational Skills
5 2 (3.85%) Presentation Skills
6 1 (1.92%) Billing
6 1 (1.92%) Financial Institution
6 1 (1.92%) Marketing
6 1 (1.92%) Pharmaceutical
6 1 (1.92%) Publishing
6 1 (1.92%) Retail
Job Titles
1 16 (30.77%) Analyst
2 12 (23.08%) Data Analyst
3 10 (19.23%) Developer
4 9 (17.31%) Data Engineer
5 6 (11.54%) Architect
5 6 (11.54%) Data Architect
5 6 (11.54%) Talend Developer
6 4 (7.69%) Senior Architect
6 4 (7.69%) Senior Data Architect
7 3 (5.77%) Business Analyst
7 3 (5.77%) KYC Analyst
8 2 (3.85%) AWS Engineer
8 2 (3.85%) Data Business Analyst
8 2 (3.85%) Data Manager
8 2 (3.85%) Governance Analyst
8 2 (3.85%) HR Analyst
8 2 (3.85%) IT Analyst
9 1 (1.92%) Information Specialist
9 1 (1.92%) Operational Risk Manager
9 1 (1.92%) Senior SQL Developer
Libraries, Frameworks & Software Standards
1 8 (15.38%) Kafka
2 6 (11.54%) Apache Avro
2 6 (11.54%) JSON
2 6 (11.54%) XML
3 3 (5.77%) .NET
3 3 (5.77%) RESTful
4 2 (3.85%) PySpark
5 1 (1.92%) AngularJS
5 1 (1.92%) Apache NiFi
5 1 (1.92%) JMS
5 1 (1.92%) MLlib
5 1 (1.92%) REST
5 1 (1.92%) scikit-learn
5 1 (1.92%) Web Services
Miscellaneous
1 5 (9.62%) Management Information System
2 3 (5.77%) Data Structures
3 2 (3.85%) Reinsurance
4 1 (1.92%) CMDB
4 1 (1.92%) Enterprise Software
4 1 (1.92%) Greenfield Project
4 1 (1.92%) Life Science
4 1 (1.92%) Public Cloud
4 1 (1.92%) Social Media
4 1 (1.92%) User Experience
4 1 (1.92%) Virtual Team
Operating Systems
1 1 (1.92%) Linux
Processes & Methodologies
1 23 (44.23%) Data Modelling
2 18 (34.62%) Data Governance
3 17 (32.69%) Agile
4 16 (30.77%) Data Analysis
5 15 (28.85%) Business Intelligence
5 15 (28.85%) ETL
6 14 (26.92%) Data Management
7 13 (25.00%) Analytics
8 10 (19.23%) Data Engineering
8 10 (19.23%) Data Integration
9 9 (17.31%) Visualisation
10 7 (13.46%) CI/CD
10 7 (13.46%) Configuration Management
10 7 (13.46%) Data Lineage
10 7 (13.46%) SDLC
11 6 (11.54%) Data Architecture
11 6 (11.54%) Data Strategy
11 6 (11.54%) DevOps
11 6 (11.54%) Project Management
12 5 (9.62%) Asset Management
Programming Languages
1 26 (50.00%) SQL
2 6 (11.54%) Python
3 2 (3.85%) Java
3 2 (3.85%) R
3 2 (3.85%) VB.NET
3 2 (3.85%) VBA
4 1 (1.92%) Data Analysis Expressions (DAX)
4 1 (1.92%) JavaScript
4 1 (1.92%) Scala
4 1 (1.92%) Shell Script
Qualifications
1 5 (9.62%) SC Cleared
1 5 (9.62%) Security Cleared
2 4 (7.69%) Degree
Quality Assurance & Compliance
1 2 (3.85%) QA
1 2 (3.85%) SLA
2 1 (1.92%) EMIR
2 1 (1.92%) GDPR
2 1 (1.92%) MiFID
System Software
1 1 (1.92%) Docker
Systems Management
1 2 (3.85%) Oozie
2 1 (1.92%) Hadoop YARN
2 1 (1.92%) Terraform
Vendors
1 7 (13.46%) Talend
2 6 (11.54%) Cloudera
3 3 (5.77%) Informatica
3 3 (5.77%) Microsoft
4 2 (3.85%) CA Agile Central
4 2 (3.85%) SAP
5 1 (1.92%) Google
5 1 (1.92%) IBM
5 1 (1.92%) OneTrust
5 1 (1.92%) Oracle
5 1 (1.92%) Refinitiv
5 1 (1.92%) ServiceNow
5 1 (1.92%) Sybase
5 1 (1.92%) Workday