Period
to 25 March 2019

The table below looks at the prevalence of the term Reference Data in contract job vacancies advertised in Hertfordshire. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reference Data over the 6 months to 25 March 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
East of England > Hertfordshire
6 months to
25 Mar 2019
Same period 2018 Same period 2017
Rank 89 103 89
Rank change year-on-year +14 -14 -
Contract jobs citing Reference Data 5 1 1
As % of all contract IT jobs advertised in Hertfordshire 0.37% 0.065% 0.079%
As % of the Miscellaneous category 1.22% 0.20% 0.23%
Number of daily rates quoted 5 1 1
Hertfordshire median daily rate £550 £600 £450
Median daily rate % change year-on-year -8.33% +33.33% -
East of England median daily rate £550 £575 £450
% change year-on-year -4.35% +27.78% -5.26%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England 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 Hertfordshire with a requirement for generic IT skills.

All Generic IT Skills
Hertfordshire
Contract vacancies with a requirement for generic IT skills 410 505 436
As % of all contract IT jobs advertised in Hertfordshire 30.62% 33.01% 34.36%
Number of daily rates quoted 206 280 225
Hertfordshire median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - -
10th Percentile £203 £225 £163
90th Percentile £575 £581 £575
East of England median daily rate £438 £425 £375
% change year-on-year +2.94% +13.33% -3.85%
Number of hourly rates quoted 18 24 27
Hertfordshire median hourly rate £26.08 £15.86 £12.05
Median hourly rate % change year-on-year +64.41% +31.62% -43.95%
10th Percentile £11.16 £12.62 £10.50
90th Percentile £45.75 £46.75 £48.74
East of England median hourly rate £19.50 £20.45 £17.50
% change year-on-year -4.65% +16.86% -18.60%

Reference Data
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Reference Data in Hertfordshire

Reference Data
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Reference Data in Hertfordshire

Reference Data
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Reference Data in Hertfordshire over the 6 months to 25 March 2019.

Contractor daily rate histogram for Reference Data in Hertfordshire

Reference Data
Contract Job Locations in Hertfordshire

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 Hertfordshire region over the 6 months to 25 March 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
Watford +13 5 £550 -8.33%
Reference Data
East of England

For the 6 months to 25 March 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 Hertfordshire region with a requirement for Reference Data.

1 5 (100.00%) C#
1 5 (100.00%) PL/SQL
1 5 (100.00%) SQL
1 5 (100.00%) T-SQL
1 5 (100.00%) Oracle
1 5 (100.00%) SQL Server
1 5 (100.00%) XML
1 5 (100.00%) Migration
1 5 (100.00%) PostgreSQL
1 5 (100.00%) Subversion
1 5 (100.00%) SQL Server Reporting Services
1 5 (100.00%) SQL Server Integration Services
1 5 (100.00%) Agile Software Development
1 5 (100.00%) Data Migration
1 5 (100.00%) Data Mapping
1 5 (100.00%) Security Cleared
1 5 (100.00%) SQL Server 2016
1 5 (100.00%) Scaled Agile Framework
2 4 (80.00%) ETL
2 4 (80.00%) Test Automation
2 4 (80.00%) BDD
2 4 (80.00%) Talend
2 4 (80.00%) SC Cleared
2 4 (80.00%) TDD
2 4 (80.00%) JSON
2 4 (80.00%) JIRA
3 1 (20.00%) XSD

Reference Data
Co-occurring IT Skills in Hertfordshire 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:

Database & Business Intelligence
1 5 (100.00%) PostgreSQL
1 5 (100.00%) SQL Server
1 5 (100.00%) SQL Server 2016
1 5 (100.00%) SQL Server Integration Services
1 5 (100.00%) SQL Server Reporting Services
Development Applications
1 5 (100.00%) Subversion
2 4 (80.00%) JIRA
Job Titles
1 5 (100.00%) Data Migration Developer
1 5 (100.00%) Developer
2 4 (80.00%) ETL Developer
2 4 (80.00%) Oracle Developer
2 4 (80.00%) Oracle ETL Developer
2 4 (80.00%) PostgreSQL Developer
2 4 (80.00%) SQL Developer
2 4 (80.00%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) XML
2 4 (80.00%) JSON
3 1 (20.00%) XSD
Processes & Methodologies
1 5 (100.00%) Agile Software Development
1 5 (100.00%) Data Mapping
1 5 (100.00%) Data Migration
1 5 (100.00%) Migration
1 5 (100.00%) Scaled Agile Framework
2 4 (80.00%) BDD
2 4 (80.00%) ETL
2 4 (80.00%) TDD
2 4 (80.00%) Test Automation
Programming Languages
1 5 (100.00%) C#
1 5 (100.00%) PL/SQL
1 5 (100.00%) SQL
1 5 (100.00%) T-SQL
Qualifications
1 5 (100.00%) Security Cleared
2 4 (80.00%) SC Cleared
Vendors
1 5 (100.00%) Oracle
2 4 (80.00%) Talend