Period
to

The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 6 months to 23 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
Central London > City of London
6 months to
23 May 2022
Same period 2021 Same period 2020
Rank 177 142 155
Rank change year-on-year -35 +13 +83
Contract jobs citing Reference Data 12 8 4
As % of all contract jobs advertised in the City of London 0.29% 0.28% 0.13%
As % of the Miscellaneous category 0.87% 0.72% 0.40%
Number of daily rates quoted 8 3 3
10th Percentile £459 £478 £545
25th Percentile £481 £493 £556
Median daily rate (50th Percentile) £560 £533 £600
Median % change year-on-year +5.16% -11.25% +23.08%
75th Percentile £636 £624 £650
90th Percentile £764 £670 £665
Central London median daily rate £570 £579 £600
% change year-on-year -1.51% -3.54% +26.32%

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 the City of London with a requirement for generic IT skills.

All Generic Skills
City of London
Contract vacancies with a requirement for generic IT skills 1,386 1,106 1,012
As % of all contract IT jobs advertised in the City of London 33.42% 38.90% 31.92%
Number of daily rates quoted 998 755 728
10th Percentile £413 £350 £305
25th Percentile £495 £450 £413
Median daily rate (50th Percentile) £575 £558 £523
Median % change year-on-year +3.14% +6.70% -0.48%
75th Percentile £700 £658 £625
90th Percentile £813 £738 £688
Central London median daily rate £575 £550 £500
% change year-on-year +4.55% +10.00% -4.76%
Number of hourly rates quoted 26 15 38
10th Percentile £18.50 £8.00 £12.42
25th Percentile £39.25 £9.75 £15.00
Median hourly rate £48.00 £17.98 £27.34
Median % change year-on-year +167.04% -34.25% +41.10%
75th Percentile £61.00 £35.13 £42.59
90th Percentile £64.13 £40.70 £52.48
Central London median hourly rate £48.00 £18.99 £29.88
% change year-on-year +152.80% -36.44% +53.21%

Reference Data
Job Vacancy Trend in the City of London

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

Job vacancy trend for Reference Data in the City of London

Reference Data
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Reference Data in the City of London

Reference Data
Daily Rate Histogram in the City of London

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

Daily rate histogram for Reference Data in the City of London

Reference Data
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Reference Data in the City of London

For the 6 months to 23 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 City of London region with a requirement for Reference Data.

1 10 (83.33%) Finance
2 8 (66.67%) Agile
3 7 (58.33%) Data Modelling
4 6 (50.00%) SQL
4 6 (50.00%) Banking
5 5 (41.67%) Social Skills
6 4 (33.33%) Logical Data Model
6 4 (33.33%) Relational Database
6 4 (33.33%) GDPR
6 4 (33.33%) Programme Management
6 4 (33.33%) Financial Institution
6 4 (33.33%) Legal
6 4 (33.33%) Scrum
6 4 (33.33%) Data Analysis
6 4 (33.33%) AOP
6 4 (33.33%) Credit Risk
6 4 (33.33%) Data Protection
6 4 (33.33%) Hedge funds
6 4 (33.33%) Business Transformation
7 3 (25.00%) Data Migration
7 3 (25.00%) JIRA
7 3 (25.00%) Migration
7 3 (25.00%) Stakeholder Management
7 3 (25.00%) RDBMS
7 3 (25.00%) UML
7 3 (25.00%) Analytical Skills
7 3 (25.00%) Project Delivery
7 3 (25.00%) Problem-Solving
8 2 (16.67%) Workshop Facilitation
8 2 (16.67%) Sprint Planning

Reference Data
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 1 (8.33%) Oracle Coherence
Business Applications
1 1 (8.33%) Sparx Enterprise Architect
Database & Business Intelligence
1 4 (33.33%) Relational Database
2 3 (25.00%) RDBMS
3 1 (8.33%) Apache Ignite
3 1 (8.33%) Data Warehouse
3 1 (8.33%) Hazelcast
3 1 (8.33%) Infinispan
3 1 (8.33%) Metadata
3 1 (8.33%) NoSQL
3 1 (8.33%) SQL Server
Development Applications
1 3 (25.00%) JIRA
2 1 (8.33%) ERwin
General
1 10 (83.33%) Finance
2 6 (50.00%) Banking
3 5 (41.67%) Social Skills
4 4 (33.33%) Financial Institution
4 4 (33.33%) Legal
5 3 (25.00%) Analytical Skills
6 2 (16.67%) Investment Banking
7 1 (8.33%) Law
7 1 (8.33%) Presentation Skills
7 1 (8.33%) Public Sector
Job Titles
1 5 (41.67%) Analyst
2 4 (33.33%) Data Modeller
3 2 (16.67%) Architect
3 2 (16.67%) Business Analyst
3 2 (16.67%) Functional Analyst
4 1 (8.33%) Data Business Analyst
4 1 (8.33%) Developer
4 1 (8.33%) Investment Banking Business Analyst
4 1 (8.33%) Java Developer
4 1 (8.33%) Reference Data Analyst
4 1 (8.33%) Reference Data Business Analyst
4 1 (8.33%) Senior Analyst
4 1 (8.33%) Senior Test Analyst
4 1 (8.33%) Senior UAT Analyst
4 1 (8.33%) Solutions Architect
4 1 (8.33%) Technical Analyst
4 1 (8.33%) Technical Business Analyst
4 1 (8.33%) Test Analyst
4 1 (8.33%) UAT Analyst
4 1 (8.33%) UAT Test Analyst
Libraries, Frameworks & Software Standards
1 1 (8.33%) GraphQL
1 1 (8.33%) JSON
1 1 (8.33%) Kafka
1 1 (8.33%) React
1 1 (8.33%) REST
1 1 (8.33%) Web Services
1 1 (8.33%) XML
Miscellaneous
1 4 (33.33%) Credit Risk
1 4 (33.33%) Hedge funds
2 1 (8.33%) Market Risk
Processes & Methodologies
1 8 (66.67%) Agile
2 7 (58.33%) Data Modelling
3 4 (33.33%) AOP
3 4 (33.33%) Business Transformation
3 4 (33.33%) Data Analysis
3 4 (33.33%) Data Protection
3 4 (33.33%) Logical Data Model
3 4 (33.33%) Programme Management
3 4 (33.33%) Scrum
4 3 (25.00%) Data Migration
4 3 (25.00%) Migration
4 3 (25.00%) Problem-Solving
4 3 (25.00%) Project Delivery
4 3 (25.00%) Stakeholder Management
4 3 (25.00%) UML
5 2 (16.67%) Backlog Management
5 2 (16.67%) Business Analysis
5 2 (16.67%) ETL
5 2 (16.67%) Functional Testing
5 2 (16.67%) Software Architecture
Programming Languages
1 6 (50.00%) SQL
2 1 (8.33%) Java
Qualifications
1 1 (8.33%) SC Cleared
1 1 (8.33%) Security Cleared
Quality Assurance & Compliance
1 4 (33.33%) GDPR
2 1 (8.33%) Basel II
2 1 (8.33%) QA
Vendors
1 1 (8.33%) GoldenSource
1 1 (8.33%) Refinitiv
1 1 (8.33%) Sparx