Period
to 16 June 2019

The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in Central London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 6 months to 16 June 2019 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
London > Central London
6 months to
16 Jun 2019
Same period 2018 Same period 2017
Rank 267 271 222
Rank change year-on-year +4 -49 +24
Contract jobs citing Reference Data 12 22 32
As % of all contract IT jobs advertised in Central London 0.14% 0.24% 0.44%
As % of the Miscellaneous category 0.41% 0.62% 1.14%
Number of daily rates quoted 6 9 30
Central London median daily rate £488 £500 £521
Median daily rate % change year-on-year -2.50% -4.08% -11.65%
10th Percentile £400 £425 £150
90th Percentile £563 £646 £715
London median daily rate £550 £525 £550
% change year-on-year +4.76% -4.55% -3.93%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate - - -

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 Central London with a requirement for generic IT skills.

All Generic IT Skills
Central London
Contract vacancies with a requirement for generic IT skills 2,895 3,561 2,802
As % of all contract IT jobs advertised in Central London 34.65% 39.24% 38.21%
Number of daily rates quoted 2,090 2,692 2,088
Central London median daily rate £525 £520 £500
Median daily rate % change year-on-year +0.96% +4.00% +5.26%
10th Percentile £338 £319 £300
90th Percentile £685 £713 £675
London median daily rate £525 £500 £500
% change year-on-year +5.00% - +6.38%
Number of hourly rates quoted 48 58 28
Central London median hourly rate £19.75 £20.50 £16.50
Median hourly rate % change year-on-year -3.66% +24.24% -13.16%
10th Percentile £11.25 £13.01 £12.46
90th Percentile £51.34 £46.95 £29.77
London median hourly rate £24.50 £24.00 £23.00
% change year-on-year +2.08% +4.35% +15.00%

Reference Data
Job Vacancy Trend in Central London

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

Job vacancy trend for Reference Data in Central London

Reference Data
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Reference Data in Central London.

Contractor daily rate trend for Reference Data in Central London

Reference Data
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Reference Data in Central London over the 6 months to 16 June 2019.

Contractor daily rate histogram for Reference Data in Central London

Reference Data
Contractor Hourly Rate Trend in Central London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Reference Data in Central London.

Contractor hourly rate trend for Reference Data in Central London

Reference Data
Contract Job Locations in Central 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 Central London region over the 6 months to 16 June 2019. 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
City of London +9 10 £500 -
Reference Data
London

For the 6 months to 16 June 2019, 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 Central London region with a requirement for Reference Data.

1 7 (58.33%) Data Modelling
2 6 (50.00%) Analytics
2 6 (50.00%) Physical Data Model
3 5 (41.67%) Data Quality
3 5 (41.67%) Finance
3 5 (41.67%) Data Management
3 5 (41.67%) Data Integration
3 5 (41.67%) Data Architecture
4 4 (33.33%) SQL
4 4 (33.33%) Web Services
4 4 (33.33%) Logical Data Model
5 3 (25.00%) Kafka
5 3 (25.00%) Data Analytics
5 3 (25.00%) MuleSoft
5 3 (25.00%) Problem-Solving
5 3 (25.00%) Dell
5 3 (25.00%) Salesforce.com
5 3 (25.00%) Force.com
5 3 (25.00%) Migration
6 2 (16.67%) User Acceptance Testing
6 2 (16.67%) Banking
6 2 (16.67%) Data Migration
6 2 (16.67%) Test Automation
6 2 (16.67%) Business Intelligence
6 2 (16.67%) Validation
6 2 (16.67%) SOA
6 2 (16.67%) Java
6 2 (16.67%) Microsoft Excel
6 2 (16.67%) Reference Data Management
6 2 (16.67%) Data Strategy

Reference Data
Co-occurring IT Skills in Central 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:

Applications
1 2 (16.67%) Microsoft Excel
2 1 (8.33%) Microsoft PowerPoint
2 1 (8.33%) Microsoft Project
2 1 (8.33%) MS Visio
Cloud Services
1 3 (25.00%) Force.com
2 2 (16.67%) Power Platform
3 1 (8.33%) Amazon AWS
3 1 (8.33%) Microsoft Azure
Database & Business Intelligence
1 2 (16.67%) Big Data
1 2 (16.67%) Power BI
2 1 (8.33%) Data Lake
2 1 (8.33%) Data Mart
2 1 (8.33%) Data Warehouse
2 1 (8.33%) NoSQL
2 1 (8.33%) OLAP
2 1 (8.33%) QlikView
2 1 (8.33%) SQL Server
Development Applications
1 1 (8.33%) ERwin
1 1 (8.33%) JIRA
1 1 (8.33%) Team Foundation Server
General
1 5 (41.67%) Finance
2 2 (16.67%) Banking
3 1 (8.33%) Financial Institution
3 1 (8.33%) Investment Banking
Job Titles
1 4 (33.33%) Architect
1 4 (33.33%) Data Architect
2 3 (25.00%) Data Engineer
3 2 (16.67%) Analyst
3 2 (16.67%) Developer
4 1 (8.33%) Big Data Developer
4 1 (8.33%) Business Analyst
4 1 (8.33%) Data Analyst
4 1 (8.33%) Financial Services Project Manager
4 1 (8.33%) Functional Analyst
4 1 (8.33%) Functional Business Analyst
4 1 (8.33%) Functional Tester
4 1 (8.33%) Java Developer
4 1 (8.33%) Project Manager
4 1 (8.33%) Reference Data Project Manager
4 1 (8.33%) Tester
Libraries, Frameworks & Software Standards
1 4 (33.33%) Web Services
2 3 (25.00%) Kafka
3 1 (8.33%) Ext JS
3 1 (8.33%) JSON
3 1 (8.33%) MDX
3 1 (8.33%) REST
3 1 (8.33%) SOAP
3 1 (8.33%) XML
Miscellaneous
1 2 (16.67%) Analytical Skills
2 1 (8.33%) Data Structures
Processes & Methodologies
1 7 (58.33%) Data Modelling
2 6 (50.00%) Analytics
2 6 (50.00%) Physical Data Model
3 5 (41.67%) Data Architecture
3 5 (41.67%) Data Integration
3 5 (41.67%) Data Management
4 4 (33.33%) Logical Data Model
5 3 (25.00%) Data Analytics
5 3 (25.00%) Migration
5 3 (25.00%) Problem-Solving
6 2 (16.67%) Business Intelligence
6 2 (16.67%) Data Engineering
6 2 (16.67%) Data Migration
6 2 (16.67%) Data Strategy
6 2 (16.67%) Metadata Management
6 2 (16.67%) Reference Data Management
6 2 (16.67%) SOA
6 2 (16.67%) Test Automation
6 2 (16.67%) User Acceptance Testing
6 2 (16.67%) Validation
Programming Languages
1 4 (33.33%) SQL
2 2 (16.67%) Java
3 1 (8.33%) JavaScript
3 1 (8.33%) Python
Quality Assurance & Compliance
1 5 (41.67%) Data Quality
2 1 (8.33%) QA
System Software
1 1 (8.33%) Docker
Vendors
1 3 (25.00%) Dell
1 3 (25.00%) MuleSoft
1 3 (25.00%) Salesforce.com
2 1 (8.33%) Casewise
2 1 (8.33%) IBM
2 1 (8.33%) InterSystems
2 1 (8.33%) Sencha
2 1 (8.33%) Tableau