Period
to

The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 6 months to 16 May 2022 with a comparison to the same period over 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.

Reference Data
England > London
6 months to
16 May 2022
Same period 2021 Same period 2020
Rank 439 348 335
Rank change year-on-year -91 -13 +187
Contract jobs citing Reference Data 149 117 92
As % of all contract jobs advertised in London 0.39% 0.49% 0.45%
As % of the Miscellaneous category 1.11% 1.45% 1.34%
Number of daily rates quoted 97 81 85
10th Percentile £483 £463 -
25th Percentile £520 £513 £488
Median daily rate (50th Percentile) £613 £575 £650
Median % change year-on-year +6.52% -11.54% +18.18%
75th Percentile £738 £625 £750
90th Percentile £775 £700 £800
England median daily rate £606 £575 £575
% change year-on-year +5.43% - +7.48%
Number of hourly rates quoted 1 1 0
10th Percentile - - -
25th Percentile £82.75 £32.50 -
Median hourly rate £83.50 £35.00 -
Median % change year-on-year +138.57% - -
75th Percentile £84.25 £37.50 -
90th Percentile - - -
England median hourly rate £83.50 £35.00 -
% change year-on-year +138.57% - -

Reference Data is in the General and Transferable Skills 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 generic IT skills.

All Generic Skills
London
Contract vacancies with a requirement for generic IT skills 13,458 8,091 6,844
As % of all contract IT jobs advertised in London 34.92% 34.12% 33.32%
Number of daily rates quoted 9,868 5,665 4,959
10th Percentile £396 £350 £313
25th Percentile £485 £425 £413
Median daily rate (50th Percentile) £600 £530 £525
Median % change year-on-year +13.21% +0.95% -
75th Percentile £713 £650 £638
90th Percentile £800 £738 £725
England median daily rate £550 £500 £475
% change year-on-year +10.00% +5.26% -
Number of hourly rates quoted 205 139 116
10th Percentile £19.44 £15.60 £13.13
25th Percentile £24.25 £21.25 £18.00
Median hourly rate £43.80 £32.50 £32.10
Median % change year-on-year +34.77% +1.26% +28.38%
75th Percentile £53.75 £47.50 £47.56
90th Percentile £68.75 £60.20 £53.75
England median hourly rate £26.99 £26.11 £21.71
% change year-on-year +3.38% +20.26% +3.38%

Reference Data
Job Vacancy Trend in London

Job postings citing Reference Data as a proportion of all IT jobs advertised in London.

Job vacancy trend for Reference Data in London

Reference Data
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Reference Data in London.

Daily rate trend for Reference Data in London

Reference Data
Daily Rate Histogram in London

Daily rate distribution for jobs citing Reference Data in London over the 6 months to 16 May 2022.

Daily rate histogram for Reference Data in London

Reference Data
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Reference Data in London.

Hourly rate trend for Reference Data in London

Reference Data
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 Reference Data within the London region over the 6 months to 16 May 2022. 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
Jobs
Central London -28 14 £570 -8.80% 5
West London -8 2 £800 -
Reference Data
England

For the 6 months to 16 May 2022, IT contractor jobs citing Reference Data 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 Reference Data.

1 88 (59.06%) Finance
2 67 (44.97%) Data Modelling
3 63 (42.28%) SQL
4 61 (40.94%) Social Skills
5 54 (36.24%) Agile
6 39 (26.17%) Data Analysis
7 35 (23.49%) Banking
8 34 (22.82%) Analytics
8 34 (22.82%) Logical Data Model
9 30 (20.13%) Data Warehouse
10 28 (18.79%) Physical Data Model
10 28 (18.79%) Analytical Skills
11 27 (18.12%) Metadata
11 27 (18.12%) Data Management
11 27 (18.12%) ETL
11 27 (18.12%) Azure
12 25 (16.78%) Data Architecture
12 25 (16.78%) Relational Database
13 24 (16.11%) Data Quality
14 23 (15.44%) ERwin
14 23 (15.44%) RDBMS
15 22 (14.77%) Data Governance
16 21 (14.09%) Java
16 21 (14.09%) SQL Server
16 21 (14.09%) AWS
17 20 (13.42%) JIRA
17 20 (13.42%) Stakeholder Management
17 20 (13.42%) Problem-Solving
18 18 (12.08%) Migration
18 18 (12.08%) Reference Data Management

Reference Data
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 13 (8.72%) Confluence
2 5 (3.36%) SAS
3 3 (2.01%) Apache Spark
3 3 (2.01%) IIS
4 2 (1.34%) Oracle Coherence
4 2 (1.34%) SharePoint
5 1 (0.67%) Apache
5 1 (0.67%) Apache Airflow
Applications
1 8 (5.37%) Microsoft Excel
2 1 (0.67%) Spreadsheet
Business Applications
1 7 (4.70%) Sparx Enterprise Architect
2 5 (3.36%) Markit EDM
2 5 (3.36%) SimCorp Dimension
3 2 (1.34%) Hyperion Planning
3 2 (1.34%) Misys Midas
3 2 (1.34%) Oracle EBS R12
3 2 (1.34%) Oracle ERP
3 2 (1.34%) Oracle FAH
3 2 (1.34%) Oracle General Ledger
3 2 (1.34%) Oracle Payables
3 2 (1.34%) Oracle Procure-to-Pay
4 1 (0.67%) Avolution ABACUS
4 1 (0.67%) CA PPM
Cloud Services
1 27 (18.12%) Azure
2 21 (14.09%) AWS
3 11 (7.38%) Power Platform
4 10 (6.71%) Collibra
5 9 (6.04%) GCP
6 7 (4.70%) Serverless
7 6 (4.03%) Amazon SQS
7 6 (4.03%) Azure Functions
7 6 (4.03%) Azure Logic Apps
7 6 (4.03%) Azure Service Bus
7 6 (4.03%) GitHub
8 3 (2.01%) Azure Data Factory
8 3 (2.01%) Snowflake
9 2 (1.34%) Azure Machine Learning
9 2 (1.34%) Azure Storage
9 2 (1.34%) Azure Synapse Analytics
10 1 (0.67%) Amazon EC2
10 1 (0.67%) AWS Lambda
10 1 (0.67%) Dynamics 365
10 1 (0.67%) Matillion
Communications & Networking
1 2 (1.34%) FTP
2 1 (0.67%) 2G
2 1 (0.67%) 3G
2 1 (0.67%) 4G
2 1 (0.67%) 5G
2 1 (0.67%) Diameter Protocol
Database & Business Intelligence
1 30 (20.13%) Data Warehouse
2 27 (18.12%) Metadata
3 25 (16.78%) Relational Database
4 23 (15.44%) RDBMS
5 21 (14.09%) SQL Server
6 18 (12.08%) Big Data
7 14 (9.40%) PostgreSQL
8 13 (8.72%) Data Lake
9 12 (8.05%) NoSQL
10 11 (7.38%) Power BI
11 9 (6.04%) Azure SQL Database
12 8 (5.37%) Pentaho
12 8 (5.37%) Qlik Sense
12 8 (5.37%) QlikView
12 8 (5.37%) SQL Server Integration Services
13 6 (4.03%) Hazelcast
14 5 (3.36%) MongoDB
14 5 (3.36%) Redis
15 4 (2.68%) BigQuery
16 3 (2.01%) Tick Data
Development Applications
1 23 (15.44%) ERwin
2 20 (13.42%) JIRA
3 14 (9.40%) Git (software)
4 13 (8.72%) ER Studio
5 8 (5.37%) GitLab
5 8 (5.37%) webpack
6 4 (2.68%) SpecFlow
7 3 (2.01%) Cypress.io
8 2 (1.34%) Jenkins
8 2 (1.34%) Visual Studio
9 1 (0.67%) Artifactory
9 1 (0.67%) CMake
9 1 (0.67%) IntelliJ
9 1 (0.67%) Maven
9 1 (0.67%) MSBuild
9 1 (0.67%) SonarQube
9 1 (0.67%) TeamCity
General
1 88 (59.06%) Finance
2 61 (40.94%) Social Skills
3 35 (23.49%) Banking
4 28 (18.79%) Analytical Skills
5 15 (10.07%) Marketing
6 14 (9.40%) Investment Banking
7 12 (8.05%) Front Office
7 12 (8.05%) Public Sector
8 9 (6.04%) Telecoms
9 8 (5.37%) Electronics
9 8 (5.37%) Legal
9 8 (5.37%) Manufacturing
10 5 (3.36%) Inclusion and Diversity
10 5 (3.36%) Presentation Skills
10 5 (3.36%) Wholesale Banking
11 4 (2.68%) Financial Institution
11 4 (2.68%) Retail
12 3 (2.01%) Back Office
12 3 (2.01%) General Ledger
13 2 (1.34%) International Banking
Job Titles
1 44 (29.53%) Analyst
2 33 (22.15%) Data Modeller
3 29 (19.46%) Developer
4 25 (16.78%) Business Analyst
5 23 (15.44%) Architect
6 19 (12.75%) Data Architect
7 16 (10.74%) Data Analyst
8 10 (6.71%) Finance Modeller
9 8 (5.37%) React Developer
10 7 (4.70%) Data Business Analyst
10 7 (4.70%) Java Developer
11 6 (4.03%) Data Engineer
11 6 (4.03%) Integration Developer
11 6 (4.03%) Microsoft Developer
11 6 (4.03%) Product Owner
12 5 (3.36%) Agile Developer
12 5 (3.36%) JavaScript Developer
12 5 (3.36%) Service Owner
12 5 (3.36%) Technical Analyst
12 5 (3.36%) Technical Business Analyst
Libraries, Frameworks & Software Standards
1 18 (12.08%) React
2 13 (8.72%) JSON
3 11 (7.38%) Kafka
4 10 (6.71%) Web Services
5 9 (6.04%) RESTful
6 8 (5.37%) CSS
6 8 (5.37%) Express
6 8 (5.37%) HTML
6 8 (5.37%) HTML5
6 8 (5.37%) Jest
6 8 (5.37%) LESS
6 8 (5.37%) Node.js
6 8 (5.37%) Redux
7 7 (4.70%) .NET
7 7 (4.70%) XML
8 6 (4.03%) .NET Framework
8 6 (4.03%) ASP.NET
8 6 (4.03%) ASP.NET Core
8 6 (4.03%) Entity Framework
9 5 (3.36%) AngularJS
Miscellaneous
1 14 (9.40%) Derivative
2 13 (8.72%) Equities
3 11 (7.38%) User Experience
4 10 (6.71%) Fixed Income
4 10 (6.71%) Hedge funds
5 9 (6.04%) Management Information System
6 7 (4.70%) Foreign Exchange (FX)
7 6 (4.03%) Analytical Mindset
7 6 (4.03%) Self-Motivation
8 5 (3.36%) Blockchain
8 5 (3.36%) Equity Derivative
8 5 (3.36%) Market Risk
9 4 (2.68%) Credit Risk
10 3 (2.01%) Public Cloud
10 3 (2.01%) SWIFT
11 2 (1.34%) Data Centre
11 2 (1.34%) Data Structures
11 2 (1.34%) Renewable Energy
11 2 (1.34%) Taxonomies
11 2 (1.34%) Virtual Team
Operating Systems
1 6 (4.03%) Linux
2 4 (2.68%) Red Hat Enterprise Linux
3 2 (1.34%) Unix
Processes & Methodologies
1 67 (44.97%) Data Modelling
2 54 (36.24%) Agile
3 39 (26.17%) Data Analysis
4 34 (22.82%) Analytics
4 34 (22.82%) Logical Data Model
5 28 (18.79%) Physical Data Model
6 27 (18.12%) Data Management
6 27 (18.12%) ETL
7 25 (16.78%) Data Architecture
8 22 (14.77%) Data Governance
9 20 (13.42%) Problem-Solving
9 20 (13.42%) Stakeholder Management
10 18 (12.08%) Migration
10 18 (12.08%) Reference Data Management
11 17 (11.41%) Data Integration
11 17 (11.41%) DevOps
12 15 (10.07%) Data Ingestion
12 15 (10.07%) Data Migration
12 15 (10.07%) Data Strategy
12 15 (10.07%) Microservices
Programming Languages
1 63 (42.28%) SQL
2 21 (14.09%) Java
3 14 (9.40%) T-SQL
4 13 (8.72%) JavaScript
5 10 (6.71%) C#
5 10 (6.71%) Python
6 8 (5.37%) ES6
6 8 (5.37%) TypeScript
7 5 (3.36%) Scala
8 4 (2.68%) VBA
9 3 (2.01%) C++
10 2 (1.34%) Groovy
11 1 (0.67%) C
11 1 (0.67%) Lua
11 1 (0.67%) SHACL
11 1 (0.67%) Shell Script
11 1 (0.67%) SPARQL
Qualifications
1 14 (9.40%) Degree
2 10 (6.71%) SC Cleared
2 10 (6.71%) Security Cleared
3 5 (3.36%) Computer Science Degree
4 2 (1.34%) Numerate Degree
4 2 (1.34%) TOGAF Certification
5 1 (0.67%) BPSS Clearance
5 1 (0.67%) CFA
5 1 (0.67%) ISEB
5 1 (0.67%) MBA
Quality Assurance & Compliance
1 24 (16.11%) Data Quality
2 11 (7.38%) GDPR
3 10 (6.71%) Accessibility
4 6 (4.03%) QA
5 2 (1.34%) ITGC
6 1 (0.67%) Basel II
6 1 (0.67%) Basel III
6 1 (0.67%) Dodd-Frank
6 1 (0.67%) EMIR
6 1 (0.67%) GAAP
6 1 (0.67%) ISO 20022
6 1 (0.67%) MiFID
6 1 (0.67%) SEPA
6 1 (0.67%) Solvency II
System Software
1 1 (0.67%) Virtual Machines
Systems Management
1 4 (2.68%) Kubernetes
1 4 (2.68%) Terraform
2 1 (0.67%) ITRS Geneos
Vendors
1 15 (10.07%) Microsoft
2 12 (8.05%) Informatica
3 11 (7.38%) Oracle
3 11 (7.38%) SAP
4 7 (4.70%) Salesforce.com
4 7 (4.70%) Sparx
5 5 (3.36%) Calypso
5 5 (3.36%) Charles River
5 5 (3.36%) SimCorp
6 4 (2.68%) Bloomberg
6 4 (2.68%) GoldenSource
6 4 (2.68%) Google
6 4 (2.68%) IBM
6 4 (2.68%) MuleSoft
6 4 (2.68%) Red Hat
7 2 (1.34%) BiZZdesign
7 2 (1.34%) Hyperion
7 2 (1.34%) IDERA
7 2 (1.34%) Sybase
8 1 (0.67%) CA