Period
to 11 July 2020

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for D3.js skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited D3.js over the 6 months to 11 July 2020 with a comparison to the same period in 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.

Data-Driven Documents (D3)
East of England > Hertfordshire
6 months to
11 Jul 2020
Same period 2019 Same period 2018
Rank 57 - -
Rank change year-on-year - - +88
Contract jobs citing D3.js 2 0 0
As % of all contract jobs advertised in Hertfordshire 0.30% - -
As % of the Libraries, Frameworks & Software Standards category 1.23% - -
Number of daily rates quoted 0 0 0
Median daily rate - - -
East of England median daily rate £373 £420 £400
% change year-on-year -11.31% +5.00% +17.65%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
East of England median hourly rate - - -

D3.js is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Hertfordshire
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 162 361 413
As % of all contract IT jobs advertised in Hertfordshire 24.66% 25.33% 26.29%
Number of daily rates quoted 93 172 263
Median daily rate £425 £463 £420
Median daily rate % change year-on-year -8.11% +10.12% +3.70%
10th Percentile £307 £311 £260
90th Percentile £550 £588 £562
East of England median daily rate £473 £450 £450
% change year-on-year +5.00% - +7.14%
Number of hourly rates quoted 5 11 6
Median hourly rate £59.00 £45.00 £16.11
Median hourly rate % change year-on-year +31.11% +179.33% -57.04%
10th Percentile £48.45 £18.00 £10.88
90th Percentile £66.00 £66.81 £56.25
Median hourly rate £57.00 £43.25 £33.00
% change year-on-year +31.79% +31.06% -12.00%

D3.js
Job Vacancy Trend in Hertfordshire

Job postings citing D3.js as a proportion of all IT jobs advertised in Hertfordshire.

Job vacancy trend for D3.js in Hertfordshire

D3.js
Contractor Daily Rate Trend in Hertfordshire

3-month moving average daily rate quoted in jobs citing D3.js in Hertfordshire.

Daily rate trend for D3.js in Hertfordshire

D3.js
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 D3.js within the Hertfordshire region over the 6 months to 11 July 2020. 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
Hemel Hempstead - 2 - -
D3.js
East of England

For the 6 months to 11 July 2020, IT contractor jobs citing D3.js 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 D3.js.

1 2 (100.00%) C#
1 2 (100.00%) HTML
1 2 (100.00%) Java
1 2 (100.00%) JavaScript
1 2 (100.00%) SQL
1 2 (100.00%) VB.NET
1 2 (100.00%) .NET
1 2 (100.00%) SQL Server
1 2 (100.00%) ASP.NET
1 2 (100.00%) CSS
1 2 (100.00%) SOAP
1 2 (100.00%) Web Services
1 2 (100.00%) XML
1 2 (100.00%) CRM
1 2 (100.00%) ERP
1 2 (100.00%) SMS
1 2 (100.00%) XAML
1 2 (100.00%) UniData
1 2 (100.00%) UniBasic
1 2 (100.00%) Agile Software Development
1 2 (100.00%) jBASE
1 2 (100.00%) Microsoft Analysis Services
1 2 (100.00%) WPF
1 2 (100.00%) jQuery
1 2 (100.00%) SQL Server Analysis Services
1 2 (100.00%) HTML5

D3.js
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:

Communications & Networking
1 2 (100.00%) SMS
Database & Business Intelligence
1 2 (100.00%) Microsoft Analysis Services
1 2 (100.00%) SQL Server
1 2 (100.00%) SQL Server Analysis Services
1 2 (100.00%) UniData
Job Titles
1 2 (100.00%) .NET Developer
1 2 (100.00%) Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) .NET
1 2 (100.00%) ASP.NET
1 2 (100.00%) CSS
1 2 (100.00%) HTML
1 2 (100.00%) HTML5
1 2 (100.00%) jQuery
1 2 (100.00%) SOAP
1 2 (100.00%) Web Services
1 2 (100.00%) WPF
1 2 (100.00%) XML
Processes & Methodologies
1 2 (100.00%) Agile Software Development
1 2 (100.00%) CRM
1 2 (100.00%) ERP
Programming Languages
1 2 (100.00%) C#
1 2 (100.00%) Java
1 2 (100.00%) JavaScript
1 2 (100.00%) SQL
1 2 (100.00%) UniBasic
1 2 (100.00%) VB.NET
1 2 (100.00%) XAML
Vendors
1 2 (100.00%) jBASE