Period
to 17 October 2021

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 17 October 2021 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
17 Oct 2021
Same period 2020 Same period 2019
Rank 400 287 468
Rank change year-on-year -113 +181 +74
Contract jobs citing Reference Data 168 69 106
As % of all contract jobs advertised in London 0.48% 0.50% 0.29%
As % of the Miscellaneous category 1.45% 1.36% 0.91%
Number of daily rates quoted 134 54 53
10th Percentile £475 " £453
25th Percentile £513 £475 £500
Median daily rate (50th Percentile) £600 £550 £575
Median % change year-on-year +9.09% -4.35% +15.00%
75th Percentile £700 £663 £619
90th Percentile £789 £709 £648
England median daily rate £600 £550 £550
% change year-on-year +9.09% - +5.26%
Number of hourly rates quoted 1 0 0
Median hourly rate £35.00 - -
England median hourly rate £21.50 - £62.50

Reference Data is in the Generic IT 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 IT Skills
London
Contract vacancies with a requirement for generic IT skills 11,585 5,062 11,625
As % of all contract IT jobs advertised in London 32.88% 36.72% 31.48%
Number of daily rates quoted 8,458 3,673 8,307
10th Percentile £363 £315 £313
25th Percentile £463 £425 £413
Median daily rate (50th Percentile) £575 £538 £525
Median % change year-on-year +6.98% +2.38% -
75th Percentile £680 £655 £625
90th Percentile £763 £750 £710
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% -
Number of hourly rates quoted 143 59 161
10th Percentile £15.00 £13.35 £12.76
25th Percentile £20.53 £23.75 £15.98
Median hourly rate £32.50 £35.50 £21.50
Median % change year-on-year -8.45% +65.12% -1.74%
75th Percentile £50.51 £43.38 £47.00
90th Percentile £62.55 £49.68 £52.50
England median hourly rate £24.08 £30.85 £20.50
% change year-on-year -21.94% +50.49% -

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 17 October 2021.

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 17 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 -53 13 £650 - 3
South London +5 3 £575 +4.55% 1
West London -15 1 £450 -35.71% 1
Reference Data
England

For the 6 months to 17 October 2021, 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 86 (51.19%) Finance
2 74 (44.05%) SQL
3 63 (37.50%) Data Modelling
4 62 (36.90%) Agile Software Development
5 56 (33.33%) Data Management
6 42 (25.00%) Reference Data Management
7 39 (23.21%) Migration
7 39 (23.21%) Banking
8 38 (22.62%) Data Architecture
8 38 (22.62%) Metadata
9 37 (22.02%) Social Skills
10 35 (20.83%) Java
11 34 (20.24%) Data Quality
12 33 (19.64%) Analytics
13 31 (18.45%) Data Analysis
14 29 (17.26%) Azure
14 29 (17.26%) Oracle
15 27 (16.07%) Data Migration
15 27 (16.07%) JIRA
15 27 (16.07%) Logical Data Model
16 26 (15.48%) Data Governance
17 24 (14.29%) Data Integration
17 24 (14.29%) AWS
17 24 (14.29%) Business Intelligence
18 23 (13.69%) Data Warehouse
18 23 (13.69%) Relational Database
19 22 (13.10%) Master Data Management
19 22 (13.10%) Stakeholder Management
20 21 (12.50%) Problem-Solving
21 19 (11.31%) ETL

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 16 (9.52%) Confluence
2 7 (4.17%) Oracle Application Server
3 5 (2.98%) Apache Spark
4 4 (2.38%) Oracle Coherence
4 4 (2.38%) SharePoint
5 3 (1.79%) Apache
5 3 (1.79%) Documentum
5 3 (1.79%) SAS
6 1 (0.60%) Apache Pig
Applications
1 4 (2.38%) Microsoft Excel
1 4 (2.38%) Microsoft Office
1 4 (2.38%) MS Visio
2 2 (1.19%) Microsoft PowerPoint
3 1 (0.60%) Spreadsheet
Business Applications
1 9 (5.36%) Sparx Enterprise Architect
2 4 (2.38%) SAP S/4HANA
3 2 (1.19%) Salesforce.com CRM
4 1 (0.60%) SAP FI-GL
Cloud Services
1 29 (17.26%) Azure
2 24 (14.29%) AWS
3 16 (9.52%) Power Platform
4 11 (6.55%) GCP
5 7 (4.17%) Apigee
5 7 (4.17%) Kong
6 5 (2.98%) Collibra
7 3 (1.79%) Azure Data Factory
7 3 (1.79%) GitHub
7 3 (1.79%) Serverless
8 2 (1.19%) SaaS
9 1 (0.60%) Azure Cosmos DB
9 1 (0.60%) Azure Synapse Analytics
9 1 (0.60%) PaaS
Communications & Networking
1 4 (2.38%) FTP
Database & Business Intelligence
1 38 (22.62%) Metadata
2 23 (13.69%) Data Warehouse
2 23 (13.69%) Relational Database
3 18 (10.71%) PostgreSQL
3 18 (10.71%) RDBMS
3 18 (10.71%) SQL Server
4 16 (9.52%) Power BI
5 11 (6.55%) Big Data
5 11 (6.55%) Pentaho
5 11 (6.55%) Qlik Sense
5 11 (6.55%) QlikView
5 11 (6.55%) SQL Server Integration Services
6 10 (5.95%) Data Lake
6 10 (5.95%) NoSQL
7 9 (5.36%) MongoDB
8 8 (4.76%) Hadoop
9 7 (4.17%) Cloud Spanner
10 5 (2.98%) Oracle Database
10 5 (2.98%) Star Schema
11 3 (1.79%) Oracle Reports
Development Applications
1 27 (16.07%) JIRA
2 7 (4.17%) ERwin
3 6 (3.57%) Jenkins
4 5 (2.98%) Git (software)
4 5 (2.98%) TeamCity
5 4 (2.38%) JUnit
5 4 (2.38%) Maven
6 3 (1.79%) Concordion
6 3 (1.79%) Cucumber
6 3 (1.79%) git-flow
6 3 (1.79%) Gradle
6 3 (1.79%) IntelliJ
6 3 (1.79%) JBehave
6 3 (1.79%) Mockito
7 2 (1.19%) PowerDesigner
7 2 (1.19%) SonarQube
7 2 (1.19%) Visual Studio
8 1 (0.60%) Bitbucket
General
1 86 (51.19%) Finance
2 39 (23.21%) Banking
3 37 (22.02%) Social Skills
4 17 (10.12%) Analytical Skills
5 15 (8.93%) Marketing
6 14 (8.33%) Public Sector
7 13 (7.74%) Investment Banking
8 12 (7.14%) Electronics
8 12 (7.14%) Telecoms
9 11 (6.55%) Manufacturing
9 11 (6.55%) Retail Banking
10 9 (5.36%) Back Office
11 8 (4.76%) Financial Institution
12 4 (2.38%) Front Office
12 4 (2.38%) Influencing Skills
13 3 (1.79%) Legal
14 2 (1.19%) Law
14 2 (1.19%) Presentation Skills
15 1 (0.60%) Games
15 1 (0.60%) Pharmaceutical
Job Titles
1 51 (30.36%) Analyst
2 35 (20.83%) Architect
3 27 (16.07%) Business Analyst
4 23 (13.69%) Data Analyst
4 23 (13.69%) Developer
5 20 (11.90%) Data Architect
5 20 (11.90%) Data Modeller
6 12 (7.14%) Power BI Analyst
7 11 (6.55%) QlikView Analyst
7 11 (6.55%) SQL Analyst
7 11 (6.55%) SQL Data Analyst
7 11 (6.55%) SSIS Analyst
8 10 (5.95%) Data Engineer
8 10 (5.95%) Java Developer
9 8 (4.76%) Senior Analyst
9 8 (4.76%) Senior Developer
10 7 (4.17%) Scala Developer
10 7 (4.17%) Senior Business Analyst
10 7 (4.17%) Solutions Architect
11 6 (3.57%) Data Business Analyst
Libraries, Frameworks & Software Standards
1 17 (10.12%) JSON
1 17 (10.12%) Spring
1 17 (10.12%) XML
2 16 (9.52%) Spring Boot
3 15 (8.93%) REST
4 14 (8.33%) GraphQL
4 14 (8.33%) Kafka
5 12 (7.14%) Web Services
6 11 (6.55%) FIX Protocol
7 9 (5.36%) HTML
8 7 (4.17%) OAuth
8 7 (4.17%) OpenID
8 7 (4.17%) RAML
9 6 (3.57%) AngularJS
9 6 (3.57%) FpML
9 6 (3.57%) React
10 5 (2.98%) HTML5
11 4 (2.38%) .NET
11 4 (2.38%) .NET Core
11 4 (2.38%) Razor View Engine
Miscellaneous
1 14 (8.33%) Equities
2 12 (7.14%) Fixed Income
3 9 (5.36%) Data Protection Act
4 6 (3.57%) Foreign Exchange (FX)
5 5 (2.98%) Legacy Systems
6 4 (2.38%) Analytical Mindset
6 4 (2.38%) Cloud Native
6 4 (2.38%) Data Structures
6 4 (2.38%) Derivative
6 4 (2.38%) Taxonomies
7 3 (1.79%) Algorithms
7 3 (1.79%) Credit Risk
7 3 (1.79%) SWIFT
7 3 (1.79%) User Experience
8 2 (1.19%) Management Information System
8 2 (1.19%) Semantic Web
9 1 (0.60%) Data Centre
9 1 (0.60%) Hedge funds
9 1 (0.60%) Pricing Data
Operating Systems
1 10 (5.95%) Linux
2 9 (5.36%) Unix
3 1 (0.60%) Red Hat Enterprise Linux
3 1 (0.60%) Windows
3 1 (0.60%) Windows Server
3 1 (0.60%) Windows Server 2016
Processes & Methodologies
1 63 (37.50%) Data Modelling
2 62 (36.90%) Agile Software Development
3 56 (33.33%) Data Management
4 42 (25.00%) Reference Data Management
5 39 (23.21%) Migration
6 38 (22.62%) Data Architecture
7 33 (19.64%) Analytics
8 31 (18.45%) Data Analysis
9 27 (16.07%) Data Migration
9 27 (16.07%) Logical Data Model
10 26 (15.48%) Data Governance
11 24 (14.29%) Business Intelligence
11 24 (14.29%) Data Integration
12 22 (13.10%) Master Data Management
12 22 (13.10%) Stakeholder Management
13 21 (12.50%) Problem-Solving
14 19 (11.31%) ETL
14 19 (11.31%) Microservices
15 17 (10.12%) Scrum
15 17 (10.12%) UML
Programming Languages
1 74 (44.05%) SQL
2 35 (20.83%) Java
3 13 (7.74%) Python
4 11 (6.55%) T-SQL
5 10 (5.95%) C#
5 10 (5.95%) Scala
6 9 (5.36%) JavaScript
7 8 (4.76%) C++
7 8 (4.76%) Java 8
8 5 (2.98%) C
9 4 (2.38%) COBOL
9 4 (2.38%) Lua
9 4 (2.38%) VBA
10 3 (1.79%) PL/SQL
10 3 (1.79%) PowerShell
10 3 (1.79%) SPARQL
11 2 (1.19%) SHACL
12 1 (0.60%) Bash Shell
12 1 (0.60%) Groovy
12 1 (0.60%) R
Qualifications
1 8 (4.76%) Degree
2 4 (2.38%) Computer Science Degree
3 3 (1.79%) Security Cleared
4 1 (0.60%) ACCA
4 1 (0.60%) CFA
4 1 (0.60%) CIMA
4 1 (0.60%) ITIL Certification
4 1 (0.60%) MBA
4 1 (0.60%) SC Cleared
Quality Assurance & Compliance
1 34 (20.24%) Data Quality
2 8 (4.76%) GDPR
2 8 (4.76%) QA
3 6 (3.57%) MiFID
4 2 (1.19%) EMIR
4 2 (1.19%) FATCA
4 2 (1.19%) Sarbanes-Oxley
5 1 (0.60%) Basel III
5 1 (0.60%) Dodd-Frank
5 1 (0.60%) SNOMED CT
System Software
1 14 (8.33%) Docker
2 7 (4.17%) OpenAM
3 3 (1.79%) Apache ZooKeeper
4 2 (1.19%) HDFS
Systems Management
1 15 (8.93%) Kubernetes
2 2 (1.19%) ITRS Geneos
3 1 (0.60%) Ansible
3 1 (0.60%) Hadoop YARN
Vendors
1 29 (17.26%) Oracle
2 18 (10.71%) SAP
3 14 (8.33%) Informatica
3 14 (8.33%) Microsoft
4 9 (5.36%) MuleSoft
4 9 (5.36%) Sparx
5 7 (4.17%) Google
5 7 (4.17%) Sybase
6 6 (3.57%) Salesforce.com
6 6 (3.57%) Splunk
7 5 (2.98%) IBM
7 5 (2.98%) Murex
8 4 (2.38%) GoldenSource
8 4 (2.38%) QAD
8 4 (2.38%) Refinitiv
9 3 (1.79%) Bloomberg
10 2 (1.19%) Embarcadero
10 2 (1.19%) eSpeed
10 2 (1.19%) Red Hat
10 2 (1.19%) Tradeweb