Period
to 18 January 2018

The following table provides summary statistics for contract job vacancies advertised in Berkshire 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 18 January 2018 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)
South East > Berkshire
6 months to
18 Jan 2018
Same period 2017 Same period 2016
Rank 172 159 -
Rank change year-on-year -13 - -
Contract jobs citing D3.js 4 1 0
As % of all contract IT jobs advertised in Berkshire 0.098% 0.025% -
As % of the Libraries, Frameworks & Software Standards category 0.42% 0.11% -
Number of daily rates quoted 2 1 0
Berkshire median daily rate £375 £400 -
Median daily rate % change year-on-year -6.25% - -
South East median daily rate £506 £475 £400
% change year-on-year +6.53% +18.75% -
Number of hourly rates quoted 0 0 0
Berkshire median hourly rate - - -
South East 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 Berkshire with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Berkshire
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 948 880 994
As % of all contract IT jobs advertised in Berkshire 23.18% 21.79% 20.26%
Number of daily rates quoted 572 522 623
Berkshire median daily rate £400 £400 £400
10th Percentile £275 £275 £263
90th Percentile £575 £538 £530
South East median daily rate £425 £400 £388
% change year-on-year +6.25% +3.23% +5.44%
Number of hourly rates quoted 15 22 34
Berkshire median hourly rate £33.00 £35.75 £40.00
Median hourly rate % change year-on-year -7.69% -10.63% +17.65%
10th Percentile £8.00 £12.25 £12.63
90th Percentile £45.50 £50.00 £55.55
South East median hourly rate £45.00 £41.00 £38.50
% change year-on-year +9.76% +6.49% +18.46%

D3.js
Job Vacancy Trend in Berkshire

Job postings citing D3.js as a percentage of all IT jobs advertised in Berkshire.

Job vacancy trend for D3.js in Berkshire

D3.js
Contractor Daily Rate Trend in Berkshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing D3.js in Berkshire.

Contractor daily rate trend for D3.js in Berkshire

D3.js
Contract Job Locations in Berkshire

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 Berkshire region over the 6 months to 18 January 2018. 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
Bracknell - 2 - -
Reading - 1 £325 - 2
Slough - 1 £425 -
D3.js
South East

For the 6 months to 18 January 2018, IT contractor jobs citing D3.js also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Berkshire region with a requirement for D3.js.

1 4 (100.00%) JavaScript
2 3 (75.00%) Apache
2 3 (75.00%) Python
2 3 (75.00%) Visualisation
2 3 (75.00%) Twitter Bootstrap
2 3 (75.00%) User Experience
2 3 (75.00%) AngularJS
3 2 (50.00%) KNIME
3 2 (50.00%) Wireframes
3 2 (50.00%) Front End Development
3 2 (50.00%) Pipeline Pilot
3 2 (50.00%) Analytical Skills
3 2 (50.00%) React
3 2 (50.00%) Rapid Prototyping
3 2 (50.00%) R
3 2 (50.00%) Spotfire
3 2 (50.00%) CSS
3 2 (50.00%) Agile Software Development
3 2 (50.00%) Data Analysis
3 2 (50.00%) SAS
3 2 (50.00%) MATLAB
3 2 (50.00%) PL/SQL
3 2 (50.00%) SQL
3 2 (50.00%) .NET
3 2 (50.00%) Oracle
4 1 (25.00%) Photoshop
4 1 (25.00%) Web Development
4 1 (25.00%) HTML
4 1 (25.00%) Adobe Illustrator
4 1 (25.00%) Git (software)

D3.js
Co-occurring IT Skills in Berkshire 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 3 (75.00%) Apache
2 2 (50.00%) SAS
Applications
1 2 (50.00%) Pipeline Pilot
2 1 (25.00%) Adobe Illustrator
2 1 (25.00%) Photoshop
Cloud Services
1 1 (25.00%) GitHub
1 1 (25.00%) npm
Database & Business Intelligence
1 2 (50.00%) KNIME
1 2 (50.00%) Spotfire
Development Applications
1 1 (25.00%) Git (software)
1 1 (25.00%) Grunt
1 1 (25.00%) Jenkins
1 1 (25.00%) webpack
Job Titles
1 3 (75.00%) Developer
2 2 (50.00%) Front End Developer (Client-Side Developer)
2 2 (50.00%) Spotfire Specialist
3 1 (25.00%) JavaScript Developer
3 1 (25.00%) React Developer
3 1 (25.00%) Spotfire Developer
3 1 (25.00%) UI Developer
3 1 (25.00%) UI Specialist
Libraries, Frameworks & Software Standards
1 3 (75.00%) AngularJS
1 3 (75.00%) Twitter Bootstrap
2 2 (50.00%) .NET
2 2 (50.00%) CSS
2 2 (50.00%) React
3 1 (25.00%) Flask
3 1 (25.00%) HTML
3 1 (25.00%) LESS
3 1 (25.00%) Sass
3 1 (25.00%) Vue (Vue.js)
Miscellaneous
1 3 (75.00%) User Experience
2 2 (50.00%) Analytical Skills
3 1 (25.00%) Greenfield Project
3 1 (25.00%) Mobile App
Processes & Methodologies
1 3 (75.00%) Visualisation
2 2 (50.00%) Agile Software Development
2 2 (50.00%) Data Analysis
2 2 (50.00%) Front End Development
2 2 (50.00%) Rapid Prototyping
2 2 (50.00%) Wireframes
3 1 (25.00%) API Development
3 1 (25.00%) Continuous Integration
3 1 (25.00%) Test Automation
3 1 (25.00%) Web Development
Programming Languages
1 4 (100.00%) JavaScript
2 3 (75.00%) Python
3 2 (50.00%) MATLAB
3 2 (50.00%) PL/SQL
3 2 (50.00%) R
3 2 (50.00%) SQL
4 1 (25.00%) ES6
System Software
1 1 (25.00%) Docker
Vendors
1 2 (50.00%) Oracle